diff --git a/go.mod b/go.mod index 032c34dde..23ab0b3eb 100644 --- a/go.mod +++ b/go.mod @@ -19,7 +19,7 @@ require ( google.golang.org/grpc v1.65.0 google.golang.org/protobuf v1.34.2 gopkg.in/check.v1 v1.0.0-20201130134442-10cb98267c6c - k8s.io/mount-utils v0.30.3 + k8s.io/mount-utils v0.31.0 ) require ( @@ -32,6 +32,7 @@ require ( github.com/bits-and-blooms/bitset v1.12.0 // indirect github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8 // indirect github.com/cespare/xxhash/v2 v2.3.0 // indirect + github.com/coreos/go-systemd/v22 v22.5.0 // indirect github.com/cpuguy83/go-md2man/v2 v2.0.4 // indirect github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect github.com/emicklei/go-restful/v3 v3.11.0 // indirect @@ -43,6 +44,7 @@ require ( github.com/go-openapi/jsonpointer v0.19.6 // indirect github.com/go-openapi/jsonreference v0.20.2 // indirect github.com/go-openapi/swag v0.22.3 // indirect + github.com/godbus/dbus/v5 v5.1.0 // indirect github.com/gofrs/flock v0.12.1 // indirect github.com/gogo/protobuf v1.3.2 // indirect github.com/golang/protobuf v1.5.4 // indirect @@ -65,6 +67,8 @@ require ( github.com/modern-go/reflect2 v1.0.2 // indirect github.com/mschoch/smat v0.2.0 // indirect github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 // indirect + github.com/opencontainers/runc v1.1.13 // indirect + github.com/opencontainers/runtime-spec v1.1.0 // indirect github.com/pierrec/lz4/v4 v4.1.21 // indirect github.com/power-devops/perfstat v0.0.0-20240221224432-82ca36839d55 // indirect github.com/prometheus/client_golang v1.18.0 // indirect @@ -90,9 +94,9 @@ require ( k8s.io/api v0.30.3 // indirect k8s.io/apimachinery v0.30.3 // indirect k8s.io/client-go v0.30.3 // indirect - k8s.io/klog/v2 v2.120.1 // indirect + k8s.io/klog/v2 v2.130.1 // indirect k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 // indirect - k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0 // indirect + k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 // indirect sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd // indirect sigs.k8s.io/structured-merge-diff/v4 v4.4.1 // indirect sigs.k8s.io/yaml v1.3.0 // indirect diff --git a/go.sum b/go.sum index a8ce5888d..18c1587ec 100644 --- a/go.sum +++ b/go.sum @@ -20,6 +20,8 @@ github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8 h1:SjZ2GvvOononHOpK github.com/c9s/goprocinfo v0.0.0-20210130143923-c95fcf8c64a8/go.mod h1:uEyr4WpAH4hio6LFriaPkL938XnrvLpNPmQHBdrmbIE= github.com/cespare/xxhash/v2 v2.3.0 h1:UL815xU9SqsFlibzuggzjXhog7bL6oX9BbNZnL2UFvs= github.com/cespare/xxhash/v2 v2.3.0/go.mod h1:VGX0DQ3Q6kWi7AoAeZDth3/j3BFtOZR5XLFGgcrjCOs= +github.com/coreos/go-systemd/v22 v22.5.0 h1:RrqgGjYQKalulkV8NGVIfkXQf6YYmOyiJKk8iXXhfZs= +github.com/coreos/go-systemd/v22 v22.5.0/go.mod h1:Y58oyj3AT4RCenI/lSvhwexgC+NSVTIJ3seZv2GcEnc= github.com/cpuguy83/go-md2man/v2 v2.0.4 h1:wfIWP927BUkWJb2NmU/kNDYIBTh/ziUX91+lVfRxZq4= github.com/cpuguy83/go-md2man/v2 v2.0.4/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= github.com/creack/pty v1.1.9/go.mod h1:oKZEueFk5CKHvIhNR5MUki03XCEU+Q6VDXinZuGJ33E= @@ -53,6 +55,9 @@ github.com/go-openapi/swag v0.22.3 h1:yMBqmnQ0gyZvEb/+KzuWZOXgllrXT4SADYbvDaXHv/ github.com/go-openapi/swag v0.22.3/go.mod h1:UzaqsxGiab7freDnrUUra0MwWfN/q7tE4j+VcZ0yl14= github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572 h1:tfuBGBXKqDEevZMzYi5KSi8KkcZtzBcTgAUUtapy0OI= github.com/go-task/slim-sprig v0.0.0-20230315185526-52ccab3ef572/go.mod h1:9Pwr4B2jHnOSGXyyzV8ROjYa2ojvAY6HCGYYfMoC3Ls= +github.com/godbus/dbus/v5 v5.0.4/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= +github.com/godbus/dbus/v5 v5.1.0 h1:4KLkAxT3aOY8Li4FRJe/KvhoNFFxo0m6fNuFUO8QJUk= +github.com/godbus/dbus/v5 v5.1.0/go.mod h1:xhWf0FNVPg57R7Z0UbKHbJfkEywrmjJnf7w5xrFpKfA= github.com/gofrs/flock v0.12.1 h1:MTLVXXHf8ekldpJk3AKicLij9MdwOWkZ+a/jHHZby9E= github.com/gofrs/flock v0.12.1/go.mod h1:9zxTsyu5xtJ9DK+1tFZyibEV7y3uwDxPPfbxeeHCoD0= github.com/gogo/protobuf v1.3.2 h1:Ov1cvc58UF3b5XjBnZv7+opcTcQFZebYjWzi34vdm4Q= @@ -132,6 +137,10 @@ github.com/onsi/ginkgo/v2 v2.15.0 h1:79HwNRBAZHOEwrczrgSOPy+eFTTlIGELKy5as+ClttY github.com/onsi/ginkgo/v2 v2.15.0/go.mod h1:HlxMHtYF57y6Dpf+mc5529KKmSq9h2FpCF+/ZkwUxKM= github.com/onsi/gomega v1.31.0 h1:54UJxxj6cPInHS3a35wm6BK/F9nHYueZ1NVujHDrnXE= github.com/onsi/gomega v1.31.0/go.mod h1:DW9aCi7U6Yi40wNVAvT6kzFnEVEI5n3DloYBiKiT6zk= +github.com/opencontainers/runc v1.1.13 h1:98S2srgG9vw0zWcDpFMn5TRrh8kLxa/5OFUstuUhmRs= +github.com/opencontainers/runc v1.1.13/go.mod h1:R016aXacfp/gwQBYw2FDGa9m+n6atbLWrYY8hNMT/sA= +github.com/opencontainers/runtime-spec v1.1.0 h1:HHUyrt9mwHUjtasSbXSMvs4cyFxh+Bll4AjJ9odEGpg= +github.com/opencontainers/runtime-spec v1.1.0/go.mod h1:jwyrGlmzljRJv/Fgzds9SsS/C5hL+LL3ko9hs6T5lQ0= github.com/pierrec/lz4/v4 v4.1.21 h1:yOVMLb6qSIDP67pl/5F7RepeKYu/VmTyEXvuMI5d9mQ= github.com/pierrec/lz4/v4 v4.1.21/go.mod h1:gZWDp/Ze/IJXGXf23ltt2EXimqmTUXEy0GFuRQyBid4= github.com/pkg/diff v0.0.0-20210226163009-20ebb0f2a09e/go.mod h1:pJLUxLENpZxwdsKMEsNbx1VGcRFpLqf3715MtcvvzbA= @@ -198,6 +207,8 @@ go.uber.org/multierr v1.11.0/go.mod h1:20+QtiLqy0Nd6FdQB9TLXag12DsQkrbs3htMFfDN8 golang.org/x/crypto v0.0.0-20190308221718-c2843e01d9a2/go.mod h1:djNgcEr1/C05ACkg1iLfiJU5Ep61QUkGW8qpdssI0+w= golang.org/x/crypto v0.0.0-20191011191535-87dc89f01550/go.mod h1:yigFU9vqHzYiE8UmvKecakEJjdnWj3jj499lnFckfCI= golang.org/x/crypto v0.0.0-20200622213623-75b288015ac9/go.mod h1:LzIPMQfyMNhhGPhUkYOs5KpL4U8rLKemX1yGLhDgUto= +golang.org/x/exp v0.0.0-20231006140011-7918f672742d h1:jtJma62tbqLibJ5sFQz8bKtEM8rJBtfilJ2qTU199MI= +golang.org/x/exp v0.0.0-20231006140011-7918f672742d/go.mod h1:ldy0pHrwJyGW56pPQzzkH36rKxoZW1tw7ZJpeKx+hdo= golang.org/x/mod v0.2.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/mod v0.3.0/go.mod h1:s0Qsj1ACt9ePp/hMypM3fl4fZqREWJwdYDEqhRiZZUA= golang.org/x/net v0.0.0-20181201002055-351d144fa1fc/go.mod h1:mL1N/T3taQHkDXs73rZJwtUhF3w3ftmwwsq0BUmARs4= @@ -276,14 +287,14 @@ k8s.io/apimachinery v0.30.3 h1:q1laaWCmrszyQuSQCfNB8cFgCuDAoPszKY4ucAjDwHc= k8s.io/apimachinery v0.30.3/go.mod h1:iexa2somDaxdnj7bha06bhb43Zpa6eWH8N8dbqVjTUc= k8s.io/client-go v0.30.3 h1:bHrJu3xQZNXIi8/MoxYtZBBWQQXwy16zqJwloXXfD3k= k8s.io/client-go v0.30.3/go.mod h1:8d4pf8vYu665/kUbsxWAQ/JDBNWqfFeZnvFiVdmx89U= -k8s.io/klog/v2 v2.120.1 h1:QXU6cPEOIslTGvZaXvFWiP9VKyeet3sawzTOvdXb4Vw= -k8s.io/klog/v2 v2.120.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE= +k8s.io/klog/v2 v2.130.1 h1:n9Xl7H1Xvksem4KFG4PYbdQCQxqc/tTUyrgXaOhHSzk= +k8s.io/klog/v2 v2.130.1/go.mod h1:3Jpz1GvMt720eyJH1ckRHK1EDfpxISzJ7I9OYgaDtPE= k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340 h1:BZqlfIlq5YbRMFko6/PM7FjZpUb45WallggurYhKGag= k8s.io/kube-openapi v0.0.0-20240228011516-70dd3763d340/go.mod h1:yD4MZYeKMBwQKVht279WycxKyM84kkAx2DPrTXaeb98= -k8s.io/mount-utils v0.30.3 h1:8Z3wSW5+GSvGNtlDhtoZrBCKLMIf5z/9tf8pie+G06s= -k8s.io/mount-utils v0.30.3/go.mod h1:9sCVmwGLcV1MPvbZ+rToMDnl1QcGozy+jBPd0MsQLIo= -k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0 h1:jgGTlFYnhF1PM1Ax/lAlxUPE+KfCIXHaathvJg1C3ak= -k8s.io/utils v0.0.0-20240502163921-fe8a2dddb1d0/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= +k8s.io/mount-utils v0.31.0 h1:o+a+n6gyZ7MGc6bIERU3LeFTHbLDBiVReaDpWlJotUE= +k8s.io/mount-utils v0.31.0/go.mod h1:HV/VYBUGqYUj4vt82YltzpWvgv8FPg0G9ItyInT3NPU= +k8s.io/utils v0.0.0-20240711033017-18e509b52bc8 h1:pUdcCO1Lk/tbT5ztQWOBi5HBgbBP1J8+AsQnQCKsi8A= +k8s.io/utils v0.0.0-20240711033017-18e509b52bc8/go.mod h1:OLgZIPagt7ERELqWJFomSt595RzquPNLL48iOWgYOg0= sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd h1:EDPBXCAspyGV4jQlpZSudPeMmr1bNJefnuqLsRAsHZo= sigs.k8s.io/json v0.0.0-20221116044647-bc3834ca7abd/go.mod h1:B8JuhiUyNFVKdsE8h686QcCxMaH6HrOAZj4vswFpcB0= sigs.k8s.io/structured-merge-diff/v4 v4.4.1 h1:150L+0vs/8DA78h1u02ooW1/fFq/Lwr+sGiqlzvrtq4= diff --git a/vendor/github.com/coreos/go-systemd/v22/LICENSE b/vendor/github.com/coreos/go-systemd/v22/LICENSE new file mode 100644 index 000000000..37ec93a14 --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/LICENSE @@ -0,0 +1,191 @@ +Apache License +Version 2.0, January 2004 +http://www.apache.org/licenses/ + +TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + +1. Definitions. + +"License" shall mean the terms and conditions for use, reproduction, and +distribution as defined by Sections 1 through 9 of this document. + +"Licensor" shall mean the copyright owner or entity authorized by the copyright +owner that is granting the License. + +"Legal Entity" shall mean the union of the acting entity and all other entities +that control, are controlled by, or are under common control with that entity. +For the purposes of this definition, "control" means (i) the power, direct or +indirect, to cause the direction or management of such entity, whether by +contract or otherwise, or (ii) ownership of fifty percent (50%) or more of the +outstanding shares, or (iii) beneficial ownership of such entity. + +"You" (or "Your") shall mean an individual or Legal Entity exercising +permissions granted by this License. + +"Source" form shall mean the preferred form for making modifications, including +but not limited to software source code, documentation source, and configuration +files. + +"Object" form shall mean any form resulting from mechanical transformation or +translation of a Source form, including but not limited to compiled object code, +generated documentation, and conversions to other media types. + +"Work" shall mean the work of authorship, whether in Source or Object form, made +available under the License, as indicated by a copyright notice that is included +in or attached to the work (an example is provided in the Appendix below). + +"Derivative Works" shall mean any work, whether in Source or Object form, that +is based on (or derived from) the Work and for which the editorial revisions, +annotations, elaborations, or other modifications represent, as a whole, an +original work of authorship. For the purposes of this License, Derivative Works +shall not include works that remain separable from, or merely link (or bind by +name) to the interfaces of, the Work and Derivative Works thereof. + +"Contribution" shall mean any work of authorship, including the original version +of the Work and any modifications or additions to that Work or Derivative Works +thereof, that is intentionally submitted to Licensor for inclusion in the Work +by the copyright owner or by an individual or Legal Entity authorized to submit +on behalf of the copyright owner. For the purposes of this definition, +"submitted" means any form of electronic, verbal, or written communication sent +to the Licensor or its representatives, including but not limited to +communication on electronic mailing lists, source code control systems, and +issue tracking systems that are managed by, or on behalf of, the Licensor for +the purpose of discussing and improving the Work, but excluding communication +that is conspicuously marked or otherwise designated in writing by the copyright +owner as "Not a Contribution." + +"Contributor" shall mean Licensor and any individual or Legal Entity on behalf +of whom a Contribution has been received by Licensor and subsequently +incorporated within the Work. + +2. Grant of Copyright License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable copyright license to reproduce, prepare Derivative Works of, +publicly display, publicly perform, sublicense, and distribute the Work and such +Derivative Works in Source or Object form. + +3. Grant of Patent License. + +Subject to the terms and conditions of this License, each Contributor hereby +grants to You a perpetual, worldwide, non-exclusive, no-charge, royalty-free, +irrevocable (except as stated in this section) patent license to make, have +made, use, offer to sell, sell, import, and otherwise transfer the Work, where +such license applies only to those patent claims licensable by such Contributor +that are necessarily infringed by their Contribution(s) alone or by combination +of their Contribution(s) with the Work to which such Contribution(s) was +submitted. If You institute patent litigation against any entity (including a +cross-claim or counterclaim in a lawsuit) alleging that the Work or a +Contribution incorporated within the Work constitutes direct or contributory +patent infringement, then any patent licenses granted to You under this License +for that Work shall terminate as of the date such litigation is filed. + +4. Redistribution. + +You may reproduce and distribute copies of the Work or Derivative Works thereof +in any medium, with or without modifications, and in Source or Object form, +provided that You meet the following conditions: + +You must give any other recipients of the Work or Derivative Works a copy of +this License; and +You must cause any modified files to carry prominent notices stating that You +changed the files; and +You must retain, in the Source form of any Derivative Works that You distribute, +all copyright, patent, trademark, and attribution notices from the Source form +of the Work, excluding those notices that do not pertain to any part of the +Derivative Works; and +If the Work includes a "NOTICE" text file as part of its distribution, then any +Derivative Works that You distribute must include a readable copy of the +attribution notices contained within such NOTICE file, excluding those notices +that do not pertain to any part of the Derivative Works, in at least one of the +following places: within a NOTICE text file distributed as part of the +Derivative Works; within the Source form or documentation, if provided along +with the Derivative Works; or, within a display generated by the Derivative +Works, if and wherever such third-party notices normally appear. The contents of +the NOTICE file are for informational purposes only and do not modify the +License. You may add Your own attribution notices within Derivative Works that +You distribute, alongside or as an addendum to the NOTICE text from the Work, +provided that such additional attribution notices cannot be construed as +modifying the License. +You may add Your own copyright statement to Your modifications and may provide +additional or different license terms and conditions for use, reproduction, or +distribution of Your modifications, or for any such Derivative Works as a whole, +provided Your use, reproduction, and distribution of the Work otherwise complies +with the conditions stated in this License. + +5. Submission of Contributions. + +Unless You explicitly state otherwise, any Contribution intentionally submitted +for inclusion in the Work by You to the Licensor shall be under the terms and +conditions of this License, without any additional terms or conditions. +Notwithstanding the above, nothing herein shall supersede or modify the terms of +any separate license agreement you may have executed with Licensor regarding +such Contributions. + +6. Trademarks. + +This License does not grant permission to use the trade names, trademarks, +service marks, or product names of the Licensor, except as required for +reasonable and customary use in describing the origin of the Work and +reproducing the content of the NOTICE file. + +7. Disclaimer of Warranty. + +Unless required by applicable law or agreed to in writing, Licensor provides the +Work (and each Contributor provides its Contributions) on an "AS IS" BASIS, +WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied, +including, without limitation, any warranties or conditions of TITLE, +NON-INFRINGEMENT, MERCHANTABILITY, or FITNESS FOR A PARTICULAR PURPOSE. You are +solely responsible for determining the appropriateness of using or +redistributing the Work and assume any risks associated with Your exercise of +permissions under this License. + +8. Limitation of Liability. + +In no event and under no legal theory, whether in tort (including negligence), +contract, or otherwise, unless required by applicable law (such as deliberate +and grossly negligent acts) or agreed to in writing, shall any Contributor be +liable to You for damages, including any direct, indirect, special, incidental, +or consequential damages of any character arising as a result of this License or +out of the use or inability to use the Work (including but not limited to +damages for loss of goodwill, work stoppage, computer failure or malfunction, or +any and all other commercial damages or losses), even if such Contributor has +been advised of the possibility of such damages. + +9. Accepting Warranty or Additional Liability. + +While redistributing the Work or Derivative Works thereof, You may choose to +offer, and charge a fee for, acceptance of support, warranty, indemnity, or +other liability obligations and/or rights consistent with this License. However, +in accepting such obligations, You may act only on Your own behalf and on Your +sole responsibility, not on behalf of any other Contributor, and only if You +agree to indemnify, defend, and hold each Contributor harmless for any liability +incurred by, or claims asserted against, such Contributor by reason of your +accepting any such warranty or additional liability. + +END OF TERMS AND CONDITIONS + +APPENDIX: How to apply the Apache License to your work + +To apply the Apache License to your work, attach the following boilerplate +notice, with the fields enclosed by brackets "[]" replaced with your own +identifying information. (Don't include the brackets!) The text should be +enclosed in the appropriate comment syntax for the file format. We also +recommend that a file or class name and description of purpose be included on +the same "printed page" as the copyright notice for easier identification within +third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/vendor/github.com/coreos/go-systemd/v22/NOTICE b/vendor/github.com/coreos/go-systemd/v22/NOTICE new file mode 100644 index 000000000..23a0ada2f --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/NOTICE @@ -0,0 +1,5 @@ +CoreOS Project +Copyright 2018 CoreOS, Inc + +This product includes software developed at CoreOS, Inc. +(http://www.coreos.com/). diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go b/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go new file mode 100644 index 000000000..147f756fe --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/dbus/dbus.go @@ -0,0 +1,266 @@ +// Copyright 2015 CoreOS, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +// Integration with the systemd D-Bus API. See http://www.freedesktop.org/wiki/Software/systemd/dbus/ +package dbus + +import ( + "context" + "encoding/hex" + "fmt" + "os" + "strconv" + "strings" + "sync" + + "github.com/godbus/dbus/v5" +) + +const ( + alpha = `abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ` + num = `0123456789` + alphanum = alpha + num + signalBuffer = 100 +) + +// needsEscape checks whether a byte in a potential dbus ObjectPath needs to be escaped +func needsEscape(i int, b byte) bool { + // Escape everything that is not a-z-A-Z-0-9 + // Also escape 0-9 if it's the first character + return strings.IndexByte(alphanum, b) == -1 || + (i == 0 && strings.IndexByte(num, b) != -1) +} + +// PathBusEscape sanitizes a constituent string of a dbus ObjectPath using the +// rules that systemd uses for serializing special characters. +func PathBusEscape(path string) string { + // Special case the empty string + if len(path) == 0 { + return "_" + } + n := []byte{} + for i := 0; i < len(path); i++ { + c := path[i] + if needsEscape(i, c) { + e := fmt.Sprintf("_%x", c) + n = append(n, []byte(e)...) + } else { + n = append(n, c) + } + } + return string(n) +} + +// pathBusUnescape is the inverse of PathBusEscape. +func pathBusUnescape(path string) string { + if path == "_" { + return "" + } + n := []byte{} + for i := 0; i < len(path); i++ { + c := path[i] + if c == '_' && i+2 < len(path) { + res, err := hex.DecodeString(path[i+1 : i+3]) + if err == nil { + n = append(n, res...) + } + i += 2 + } else { + n = append(n, c) + } + } + return string(n) +} + +// Conn is a connection to systemd's dbus endpoint. +type Conn struct { + // sysconn/sysobj are only used to call dbus methods + sysconn *dbus.Conn + sysobj dbus.BusObject + + // sigconn/sigobj are only used to receive dbus signals + sigconn *dbus.Conn + sigobj dbus.BusObject + + jobListener struct { + jobs map[dbus.ObjectPath]chan<- string + sync.Mutex + } + subStateSubscriber struct { + updateCh chan<- *SubStateUpdate + errCh chan<- error + sync.Mutex + ignore map[dbus.ObjectPath]int64 + cleanIgnore int64 + } + propertiesSubscriber struct { + updateCh chan<- *PropertiesUpdate + errCh chan<- error + sync.Mutex + } +} + +// Deprecated: use NewWithContext instead. +func New() (*Conn, error) { + return NewWithContext(context.Background()) +} + +// NewWithContext establishes a connection to any available bus and authenticates. +// Callers should call Close() when done with the connection. +func NewWithContext(ctx context.Context) (*Conn, error) { + conn, err := NewSystemConnectionContext(ctx) + if err != nil && os.Geteuid() == 0 { + return NewSystemdConnectionContext(ctx) + } + return conn, err +} + +// Deprecated: use NewSystemConnectionContext instead. +func NewSystemConnection() (*Conn, error) { + return NewSystemConnectionContext(context.Background()) +} + +// NewSystemConnectionContext establishes a connection to the system bus and authenticates. +// Callers should call Close() when done with the connection. +func NewSystemConnectionContext(ctx context.Context) (*Conn, error) { + return NewConnection(func() (*dbus.Conn, error) { + return dbusAuthHelloConnection(ctx, dbus.SystemBusPrivate) + }) +} + +// Deprecated: use NewUserConnectionContext instead. +func NewUserConnection() (*Conn, error) { + return NewUserConnectionContext(context.Background()) +} + +// NewUserConnectionContext establishes a connection to the session bus and +// authenticates. This can be used to connect to systemd user instances. +// Callers should call Close() when done with the connection. +func NewUserConnectionContext(ctx context.Context) (*Conn, error) { + return NewConnection(func() (*dbus.Conn, error) { + return dbusAuthHelloConnection(ctx, dbus.SessionBusPrivate) + }) +} + +// Deprecated: use NewSystemdConnectionContext instead. +func NewSystemdConnection() (*Conn, error) { + return NewSystemdConnectionContext(context.Background()) +} + +// NewSystemdConnectionContext establishes a private, direct connection to systemd. +// This can be used for communicating with systemd without a dbus daemon. +// Callers should call Close() when done with the connection. +func NewSystemdConnectionContext(ctx context.Context) (*Conn, error) { + return NewConnection(func() (*dbus.Conn, error) { + // We skip Hello when talking directly to systemd. + return dbusAuthConnection(ctx, func(opts ...dbus.ConnOption) (*dbus.Conn, error) { + return dbus.Dial("unix:path=/run/systemd/private", opts...) + }) + }) +} + +// Close closes an established connection. +func (c *Conn) Close() { + c.sysconn.Close() + c.sigconn.Close() +} + +// Connected returns whether conn is connected +func (c *Conn) Connected() bool { + return c.sysconn.Connected() && c.sigconn.Connected() +} + +// NewConnection establishes a connection to a bus using a caller-supplied function. +// This allows connecting to remote buses through a user-supplied mechanism. +// The supplied function may be called multiple times, and should return independent connections. +// The returned connection must be fully initialised: the org.freedesktop.DBus.Hello call must have succeeded, +// and any authentication should be handled by the function. +func NewConnection(dialBus func() (*dbus.Conn, error)) (*Conn, error) { + sysconn, err := dialBus() + if err != nil { + return nil, err + } + + sigconn, err := dialBus() + if err != nil { + sysconn.Close() + return nil, err + } + + c := &Conn{ + sysconn: sysconn, + sysobj: systemdObject(sysconn), + sigconn: sigconn, + sigobj: systemdObject(sigconn), + } + + c.subStateSubscriber.ignore = make(map[dbus.ObjectPath]int64) + c.jobListener.jobs = make(map[dbus.ObjectPath]chan<- string) + + // Setup the listeners on jobs so that we can get completions + c.sigconn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, + "type='signal', interface='org.freedesktop.systemd1.Manager', member='JobRemoved'") + + c.dispatch() + return c, nil +} + +// GetManagerProperty returns the value of a property on the org.freedesktop.systemd1.Manager +// interface. The value is returned in its string representation, as defined at +// https://developer.gnome.org/glib/unstable/gvariant-text.html. +func (c *Conn) GetManagerProperty(prop string) (string, error) { + variant, err := c.sysobj.GetProperty("org.freedesktop.systemd1.Manager." + prop) + if err != nil { + return "", err + } + return variant.String(), nil +} + +func dbusAuthConnection(ctx context.Context, createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) { + conn, err := createBus(dbus.WithContext(ctx)) + if err != nil { + return nil, err + } + + // Only use EXTERNAL method, and hardcode the uid (not username) + // to avoid a username lookup (which requires a dynamically linked + // libc) + methods := []dbus.Auth{dbus.AuthExternal(strconv.Itoa(os.Getuid()))} + + err = conn.Auth(methods) + if err != nil { + conn.Close() + return nil, err + } + + return conn, nil +} + +func dbusAuthHelloConnection(ctx context.Context, createBus func(opts ...dbus.ConnOption) (*dbus.Conn, error)) (*dbus.Conn, error) { + conn, err := dbusAuthConnection(ctx, createBus) + if err != nil { + return nil, err + } + + if err = conn.Hello(); err != nil { + conn.Close() + return nil, err + } + + return conn, nil +} + +func systemdObject(conn *dbus.Conn) dbus.BusObject { + return conn.Object("org.freedesktop.systemd1", dbus.ObjectPath("/org/freedesktop/systemd1")) +} diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go b/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go new file mode 100644 index 000000000..074148cb4 --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/dbus/methods.go @@ -0,0 +1,864 @@ +// Copyright 2015, 2018 CoreOS, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbus + +import ( + "context" + "errors" + "fmt" + "path" + "strconv" + + "github.com/godbus/dbus/v5" +) + +// Who can be used to specify which process to kill in the unit via the KillUnitWithTarget API +type Who string + +const ( + // All sends the signal to all processes in the unit + All Who = "all" + // Main sends the signal to the main process of the unit + Main Who = "main" + // Control sends the signal to the control process of the unit + Control Who = "control" +) + +func (c *Conn) jobComplete(signal *dbus.Signal) { + var id uint32 + var job dbus.ObjectPath + var unit string + var result string + dbus.Store(signal.Body, &id, &job, &unit, &result) + c.jobListener.Lock() + out, ok := c.jobListener.jobs[job] + if ok { + out <- result + delete(c.jobListener.jobs, job) + } + c.jobListener.Unlock() +} + +func (c *Conn) startJob(ctx context.Context, ch chan<- string, job string, args ...interface{}) (int, error) { + if ch != nil { + c.jobListener.Lock() + defer c.jobListener.Unlock() + } + + var p dbus.ObjectPath + err := c.sysobj.CallWithContext(ctx, job, 0, args...).Store(&p) + if err != nil { + return 0, err + } + + if ch != nil { + c.jobListener.jobs[p] = ch + } + + // ignore error since 0 is fine if conversion fails + jobID, _ := strconv.Atoi(path.Base(string(p))) + + return jobID, nil +} + +// Deprecated: use StartUnitContext instead. +func (c *Conn) StartUnit(name string, mode string, ch chan<- string) (int, error) { + return c.StartUnitContext(context.Background(), name, mode, ch) +} + +// StartUnitContext enqueues a start job and depending jobs, if any (unless otherwise +// specified by the mode string). +// +// Takes the unit to activate, plus a mode string. The mode needs to be one of +// replace, fail, isolate, ignore-dependencies, ignore-requirements. If +// "replace" the call will start the unit and its dependencies, possibly +// replacing already queued jobs that conflict with this. If "fail" the call +// will start the unit and its dependencies, but will fail if this would change +// an already queued job. If "isolate" the call will start the unit in question +// and terminate all units that aren't dependencies of it. If +// "ignore-dependencies" it will start a unit but ignore all its dependencies. +// If "ignore-requirements" it will start a unit but only ignore the +// requirement dependencies. It is not recommended to make use of the latter +// two options. +// +// If the provided channel is non-nil, a result string will be sent to it upon +// job completion: one of done, canceled, timeout, failed, dependency, skipped. +// done indicates successful execution of a job. canceled indicates that a job +// has been canceled before it finished execution. timeout indicates that the +// job timeout was reached. failed indicates that the job failed. dependency +// indicates that a job this job has been depending on failed and the job hence +// has been removed too. skipped indicates that a job was skipped because it +// didn't apply to the units current state. +// +// If no error occurs, the ID of the underlying systemd job will be returned. There +// does exist the possibility for no error to be returned, but for the returned job +// ID to be 0. In this case, the actual underlying ID is not 0 and this datapoint +// should not be considered authoritative. +// +// If an error does occur, it will be returned to the user alongside a job ID of 0. +func (c *Conn) StartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.StartUnit", name, mode) +} + +// Deprecated: use StopUnitContext instead. +func (c *Conn) StopUnit(name string, mode string, ch chan<- string) (int, error) { + return c.StopUnitContext(context.Background(), name, mode, ch) +} + +// StopUnitContext is similar to StartUnitContext, but stops the specified unit +// rather than starting it. +func (c *Conn) StopUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.StopUnit", name, mode) +} + +// Deprecated: use ReloadUnitContext instead. +func (c *Conn) ReloadUnit(name string, mode string, ch chan<- string) (int, error) { + return c.ReloadUnitContext(context.Background(), name, mode, ch) +} + +// ReloadUnitContext reloads a unit. Reloading is done only if the unit +// is already running, and fails otherwise. +func (c *Conn) ReloadUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.ReloadUnit", name, mode) +} + +// Deprecated: use RestartUnitContext instead. +func (c *Conn) RestartUnit(name string, mode string, ch chan<- string) (int, error) { + return c.RestartUnitContext(context.Background(), name, mode, ch) +} + +// RestartUnitContext restarts a service. If a service is restarted that isn't +// running it will be started. +func (c *Conn) RestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.RestartUnit", name, mode) +} + +// Deprecated: use TryRestartUnitContext instead. +func (c *Conn) TryRestartUnit(name string, mode string, ch chan<- string) (int, error) { + return c.TryRestartUnitContext(context.Background(), name, mode, ch) +} + +// TryRestartUnitContext is like RestartUnitContext, except that a service that +// isn't running is not affected by the restart. +func (c *Conn) TryRestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.TryRestartUnit", name, mode) +} + +// Deprecated: use ReloadOrRestartUnitContext instead. +func (c *Conn) ReloadOrRestartUnit(name string, mode string, ch chan<- string) (int, error) { + return c.ReloadOrRestartUnitContext(context.Background(), name, mode, ch) +} + +// ReloadOrRestartUnitContext attempts a reload if the unit supports it and use +// a restart otherwise. +func (c *Conn) ReloadOrRestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.ReloadOrRestartUnit", name, mode) +} + +// Deprecated: use ReloadOrTryRestartUnitContext instead. +func (c *Conn) ReloadOrTryRestartUnit(name string, mode string, ch chan<- string) (int, error) { + return c.ReloadOrTryRestartUnitContext(context.Background(), name, mode, ch) +} + +// ReloadOrTryRestartUnitContext attempts a reload if the unit supports it, +// and use a "Try" flavored restart otherwise. +func (c *Conn) ReloadOrTryRestartUnitContext(ctx context.Context, name string, mode string, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.ReloadOrTryRestartUnit", name, mode) +} + +// Deprecated: use StartTransientUnitContext instead. +func (c *Conn) StartTransientUnit(name string, mode string, properties []Property, ch chan<- string) (int, error) { + return c.StartTransientUnitContext(context.Background(), name, mode, properties, ch) +} + +// StartTransientUnitContext may be used to create and start a transient unit, which +// will be released as soon as it is not running or referenced anymore or the +// system is rebooted. name is the unit name including suffix, and must be +// unique. mode is the same as in StartUnitContext, properties contains properties +// of the unit. +func (c *Conn) StartTransientUnitContext(ctx context.Context, name string, mode string, properties []Property, ch chan<- string) (int, error) { + return c.startJob(ctx, ch, "org.freedesktop.systemd1.Manager.StartTransientUnit", name, mode, properties, make([]PropertyCollection, 0)) +} + +// Deprecated: use KillUnitContext instead. +func (c *Conn) KillUnit(name string, signal int32) { + c.KillUnitContext(context.Background(), name, signal) +} + +// KillUnitContext takes the unit name and a UNIX signal number to send. +// All of the unit's processes are killed. +func (c *Conn) KillUnitContext(ctx context.Context, name string, signal int32) { + c.KillUnitWithTarget(ctx, name, All, signal) +} + +// KillUnitWithTarget is like KillUnitContext, but allows you to specify which +// process in the unit to send the signal to. +func (c *Conn) KillUnitWithTarget(ctx context.Context, name string, target Who, signal int32) error { + return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.KillUnit", 0, name, string(target), signal).Store() +} + +// Deprecated: use ResetFailedUnitContext instead. +func (c *Conn) ResetFailedUnit(name string) error { + return c.ResetFailedUnitContext(context.Background(), name) +} + +// ResetFailedUnitContext resets the "failed" state of a specific unit. +func (c *Conn) ResetFailedUnitContext(ctx context.Context, name string) error { + return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ResetFailedUnit", 0, name).Store() +} + +// Deprecated: use SystemStateContext instead. +func (c *Conn) SystemState() (*Property, error) { + return c.SystemStateContext(context.Background()) +} + +// SystemStateContext returns the systemd state. Equivalent to +// systemctl is-system-running. +func (c *Conn) SystemStateContext(ctx context.Context) (*Property, error) { + var err error + var prop dbus.Variant + + obj := c.sysconn.Object("org.freedesktop.systemd1", "/org/freedesktop/systemd1") + err = obj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, "org.freedesktop.systemd1.Manager", "SystemState").Store(&prop) + if err != nil { + return nil, err + } + + return &Property{Name: "SystemState", Value: prop}, nil +} + +// getProperties takes the unit path and returns all of its dbus object properties, for the given dbus interface. +func (c *Conn) getProperties(ctx context.Context, path dbus.ObjectPath, dbusInterface string) (map[string]interface{}, error) { + var err error + var props map[string]dbus.Variant + + if !path.IsValid() { + return nil, fmt.Errorf("invalid unit name: %v", path) + } + + obj := c.sysconn.Object("org.freedesktop.systemd1", path) + err = obj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.GetAll", 0, dbusInterface).Store(&props) + if err != nil { + return nil, err + } + + out := make(map[string]interface{}, len(props)) + for k, v := range props { + out[k] = v.Value() + } + + return out, nil +} + +// Deprecated: use GetUnitPropertiesContext instead. +func (c *Conn) GetUnitProperties(unit string) (map[string]interface{}, error) { + return c.GetUnitPropertiesContext(context.Background(), unit) +} + +// GetUnitPropertiesContext takes the (unescaped) unit name and returns all of +// its dbus object properties. +func (c *Conn) GetUnitPropertiesContext(ctx context.Context, unit string) (map[string]interface{}, error) { + path := unitPath(unit) + return c.getProperties(ctx, path, "org.freedesktop.systemd1.Unit") +} + +// Deprecated: use GetUnitPathPropertiesContext instead. +func (c *Conn) GetUnitPathProperties(path dbus.ObjectPath) (map[string]interface{}, error) { + return c.GetUnitPathPropertiesContext(context.Background(), path) +} + +// GetUnitPathPropertiesContext takes the (escaped) unit path and returns all +// of its dbus object properties. +func (c *Conn) GetUnitPathPropertiesContext(ctx context.Context, path dbus.ObjectPath) (map[string]interface{}, error) { + return c.getProperties(ctx, path, "org.freedesktop.systemd1.Unit") +} + +// Deprecated: use GetAllPropertiesContext instead. +func (c *Conn) GetAllProperties(unit string) (map[string]interface{}, error) { + return c.GetAllPropertiesContext(context.Background(), unit) +} + +// GetAllPropertiesContext takes the (unescaped) unit name and returns all of +// its dbus object properties. +func (c *Conn) GetAllPropertiesContext(ctx context.Context, unit string) (map[string]interface{}, error) { + path := unitPath(unit) + return c.getProperties(ctx, path, "") +} + +func (c *Conn) getProperty(ctx context.Context, unit string, dbusInterface string, propertyName string) (*Property, error) { + var err error + var prop dbus.Variant + + path := unitPath(unit) + if !path.IsValid() { + return nil, errors.New("invalid unit name: " + unit) + } + + obj := c.sysconn.Object("org.freedesktop.systemd1", path) + err = obj.CallWithContext(ctx, "org.freedesktop.DBus.Properties.Get", 0, dbusInterface, propertyName).Store(&prop) + if err != nil { + return nil, err + } + + return &Property{Name: propertyName, Value: prop}, nil +} + +// Deprecated: use GetUnitPropertyContext instead. +func (c *Conn) GetUnitProperty(unit string, propertyName string) (*Property, error) { + return c.GetUnitPropertyContext(context.Background(), unit, propertyName) +} + +// GetUnitPropertyContext takes an (unescaped) unit name, and a property name, +// and returns the property value. +func (c *Conn) GetUnitPropertyContext(ctx context.Context, unit string, propertyName string) (*Property, error) { + return c.getProperty(ctx, unit, "org.freedesktop.systemd1.Unit", propertyName) +} + +// Deprecated: use GetServicePropertyContext instead. +func (c *Conn) GetServiceProperty(service string, propertyName string) (*Property, error) { + return c.GetServicePropertyContext(context.Background(), service, propertyName) +} + +// GetServiceProperty returns property for given service name and property name. +func (c *Conn) GetServicePropertyContext(ctx context.Context, service string, propertyName string) (*Property, error) { + return c.getProperty(ctx, service, "org.freedesktop.systemd1.Service", propertyName) +} + +// Deprecated: use GetUnitTypePropertiesContext instead. +func (c *Conn) GetUnitTypeProperties(unit string, unitType string) (map[string]interface{}, error) { + return c.GetUnitTypePropertiesContext(context.Background(), unit, unitType) +} + +// GetUnitTypePropertiesContext returns the extra properties for a unit, specific to the unit type. +// Valid values for unitType: Service, Socket, Target, Device, Mount, Automount, Snapshot, Timer, Swap, Path, Slice, Scope. +// Returns "dbus.Error: Unknown interface" error if the unitType is not the correct type of the unit. +func (c *Conn) GetUnitTypePropertiesContext(ctx context.Context, unit string, unitType string) (map[string]interface{}, error) { + path := unitPath(unit) + return c.getProperties(ctx, path, "org.freedesktop.systemd1."+unitType) +} + +// Deprecated: use SetUnitPropertiesContext instead. +func (c *Conn) SetUnitProperties(name string, runtime bool, properties ...Property) error { + return c.SetUnitPropertiesContext(context.Background(), name, runtime, properties...) +} + +// SetUnitPropertiesContext may be used to modify certain unit properties at runtime. +// Not all properties may be changed at runtime, but many resource management +// settings (primarily those in systemd.cgroup(5)) may. The changes are applied +// instantly, and stored on disk for future boots, unless runtime is true, in which +// case the settings only apply until the next reboot. name is the name of the unit +// to modify. properties are the settings to set, encoded as an array of property +// name and value pairs. +func (c *Conn) SetUnitPropertiesContext(ctx context.Context, name string, runtime bool, properties ...Property) error { + return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.SetUnitProperties", 0, name, runtime, properties).Store() +} + +// Deprecated: use GetUnitTypePropertyContext instead. +func (c *Conn) GetUnitTypeProperty(unit string, unitType string, propertyName string) (*Property, error) { + return c.GetUnitTypePropertyContext(context.Background(), unit, unitType, propertyName) +} + +// GetUnitTypePropertyContext takes a property name, a unit name, and a unit type, +// and returns a property value. For valid values of unitType, see GetUnitTypePropertiesContext. +func (c *Conn) GetUnitTypePropertyContext(ctx context.Context, unit string, unitType string, propertyName string) (*Property, error) { + return c.getProperty(ctx, unit, "org.freedesktop.systemd1."+unitType, propertyName) +} + +type UnitStatus struct { + Name string // The primary unit name as string + Description string // The human readable description string + LoadState string // The load state (i.e. whether the unit file has been loaded successfully) + ActiveState string // The active state (i.e. whether the unit is currently started or not) + SubState string // The sub state (a more fine-grained version of the active state that is specific to the unit type, which the active state is not) + Followed string // A unit that is being followed in its state by this unit, if there is any, otherwise the empty string. + Path dbus.ObjectPath // The unit object path + JobId uint32 // If there is a job queued for the job unit the numeric job id, 0 otherwise + JobType string // The job type as string + JobPath dbus.ObjectPath // The job object path +} + +type storeFunc func(retvalues ...interface{}) error + +func (c *Conn) listUnitsInternal(f storeFunc) ([]UnitStatus, error) { + result := make([][]interface{}, 0) + err := f(&result) + if err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + status := make([]UnitStatus, len(result)) + statusInterface := make([]interface{}, len(status)) + for i := range status { + statusInterface[i] = &status[i] + } + + err = dbus.Store(resultInterface, statusInterface...) + if err != nil { + return nil, err + } + + return status, nil +} + +// GetUnitByPID returns the unit object path of the unit a process ID +// belongs to. It takes a UNIX PID and returns the object path. The PID must +// refer to an existing system process +func (c *Conn) GetUnitByPID(ctx context.Context, pid uint32) (dbus.ObjectPath, error) { + var result dbus.ObjectPath + + err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.GetUnitByPID", 0, pid).Store(&result) + + return result, err +} + +// GetUnitNameByPID returns the name of the unit a process ID belongs to. It +// takes a UNIX PID and returns the object path. The PID must refer to an +// existing system process +func (c *Conn) GetUnitNameByPID(ctx context.Context, pid uint32) (string, error) { + path, err := c.GetUnitByPID(ctx, pid) + if err != nil { + return "", err + } + + return unitName(path), nil +} + +// Deprecated: use ListUnitsContext instead. +func (c *Conn) ListUnits() ([]UnitStatus, error) { + return c.ListUnitsContext(context.Background()) +} + +// ListUnitsContext returns an array with all currently loaded units. Note that +// units may be known by multiple names at the same time, and hence there might +// be more unit names loaded than actual units behind them. +// Also note that a unit is only loaded if it is active and/or enabled. +// Units that are both disabled and inactive will thus not be returned. +func (c *Conn) ListUnitsContext(ctx context.Context) ([]UnitStatus, error) { + return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnits", 0).Store) +} + +// Deprecated: use ListUnitsFilteredContext instead. +func (c *Conn) ListUnitsFiltered(states []string) ([]UnitStatus, error) { + return c.ListUnitsFilteredContext(context.Background(), states) +} + +// ListUnitsFilteredContext returns an array with units filtered by state. +// It takes a list of units' statuses to filter. +func (c *Conn) ListUnitsFilteredContext(ctx context.Context, states []string) ([]UnitStatus, error) { + return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitsFiltered", 0, states).Store) +} + +// Deprecated: use ListUnitsByPatternsContext instead. +func (c *Conn) ListUnitsByPatterns(states []string, patterns []string) ([]UnitStatus, error) { + return c.ListUnitsByPatternsContext(context.Background(), states, patterns) +} + +// ListUnitsByPatternsContext returns an array with units. +// It takes a list of units' statuses and names to filter. +// Note that units may be known by multiple names at the same time, +// and hence there might be more unit names loaded than actual units behind them. +func (c *Conn) ListUnitsByPatternsContext(ctx context.Context, states []string, patterns []string) ([]UnitStatus, error) { + return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitsByPatterns", 0, states, patterns).Store) +} + +// Deprecated: use ListUnitsByNamesContext instead. +func (c *Conn) ListUnitsByNames(units []string) ([]UnitStatus, error) { + return c.ListUnitsByNamesContext(context.Background(), units) +} + +// ListUnitsByNamesContext returns an array with units. It takes a list of units' +// names and returns an UnitStatus array. Comparing to ListUnitsByPatternsContext +// method, this method returns statuses even for inactive or non-existing +// units. Input array should contain exact unit names, but not patterns. +// +// Requires systemd v230 or higher. +func (c *Conn) ListUnitsByNamesContext(ctx context.Context, units []string) ([]UnitStatus, error) { + return c.listUnitsInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitsByNames", 0, units).Store) +} + +type UnitFile struct { + Path string + Type string +} + +func (c *Conn) listUnitFilesInternal(f storeFunc) ([]UnitFile, error) { + result := make([][]interface{}, 0) + err := f(&result) + if err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + files := make([]UnitFile, len(result)) + fileInterface := make([]interface{}, len(files)) + for i := range files { + fileInterface[i] = &files[i] + } + + err = dbus.Store(resultInterface, fileInterface...) + if err != nil { + return nil, err + } + + return files, nil +} + +// Deprecated: use ListUnitFilesContext instead. +func (c *Conn) ListUnitFiles() ([]UnitFile, error) { + return c.ListUnitFilesContext(context.Background()) +} + +// ListUnitFiles returns an array of all available units on disk. +func (c *Conn) ListUnitFilesContext(ctx context.Context) ([]UnitFile, error) { + return c.listUnitFilesInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitFiles", 0).Store) +} + +// Deprecated: use ListUnitFilesByPatternsContext instead. +func (c *Conn) ListUnitFilesByPatterns(states []string, patterns []string) ([]UnitFile, error) { + return c.ListUnitFilesByPatternsContext(context.Background(), states, patterns) +} + +// ListUnitFilesByPatternsContext returns an array of all available units on disk matched the patterns. +func (c *Conn) ListUnitFilesByPatternsContext(ctx context.Context, states []string, patterns []string) ([]UnitFile, error) { + return c.listUnitFilesInternal(c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListUnitFilesByPatterns", 0, states, patterns).Store) +} + +type LinkUnitFileChange EnableUnitFileChange + +// Deprecated: use LinkUnitFilesContext instead. +func (c *Conn) LinkUnitFiles(files []string, runtime bool, force bool) ([]LinkUnitFileChange, error) { + return c.LinkUnitFilesContext(context.Background(), files, runtime, force) +} + +// LinkUnitFilesContext links unit files (that are located outside of the +// usual unit search paths) into the unit search path. +// +// It takes a list of absolute paths to unit files to link and two +// booleans. +// +// The first boolean controls whether the unit shall be +// enabled for runtime only (true, /run), or persistently (false, +// /etc). +// +// The second controls whether symlinks pointing to other units shall +// be replaced if necessary. +// +// This call returns a list of the changes made. The list consists of +// structures with three strings: the type of the change (one of symlink +// or unlink), the file name of the symlink and the destination of the +// symlink. +func (c *Conn) LinkUnitFilesContext(ctx context.Context, files []string, runtime bool, force bool) ([]LinkUnitFileChange, error) { + result := make([][]interface{}, 0) + err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.LinkUnitFiles", 0, files, runtime, force).Store(&result) + if err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + changes := make([]LinkUnitFileChange, len(result)) + changesInterface := make([]interface{}, len(changes)) + for i := range changes { + changesInterface[i] = &changes[i] + } + + err = dbus.Store(resultInterface, changesInterface...) + if err != nil { + return nil, err + } + + return changes, nil +} + +// Deprecated: use EnableUnitFilesContext instead. +func (c *Conn) EnableUnitFiles(files []string, runtime bool, force bool) (bool, []EnableUnitFileChange, error) { + return c.EnableUnitFilesContext(context.Background(), files, runtime, force) +} + +// EnableUnitFilesContext may be used to enable one or more units in the system +// (by creating symlinks to them in /etc or /run). +// +// It takes a list of unit files to enable (either just file names or full +// absolute paths if the unit files are residing outside the usual unit +// search paths), and two booleans: the first controls whether the unit shall +// be enabled for runtime only (true, /run), or persistently (false, /etc). +// The second one controls whether symlinks pointing to other units shall +// be replaced if necessary. +// +// This call returns one boolean and an array with the changes made. The +// boolean signals whether the unit files contained any enablement +// information (i.e. an [Install]) section. The changes list consists of +// structures with three strings: the type of the change (one of symlink +// or unlink), the file name of the symlink and the destination of the +// symlink. +func (c *Conn) EnableUnitFilesContext(ctx context.Context, files []string, runtime bool, force bool) (bool, []EnableUnitFileChange, error) { + var carries_install_info bool + + result := make([][]interface{}, 0) + err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.EnableUnitFiles", 0, files, runtime, force).Store(&carries_install_info, &result) + if err != nil { + return false, nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + changes := make([]EnableUnitFileChange, len(result)) + changesInterface := make([]interface{}, len(changes)) + for i := range changes { + changesInterface[i] = &changes[i] + } + + err = dbus.Store(resultInterface, changesInterface...) + if err != nil { + return false, nil, err + } + + return carries_install_info, changes, nil +} + +type EnableUnitFileChange struct { + Type string // Type of the change (one of symlink or unlink) + Filename string // File name of the symlink + Destination string // Destination of the symlink +} + +// Deprecated: use DisableUnitFilesContext instead. +func (c *Conn) DisableUnitFiles(files []string, runtime bool) ([]DisableUnitFileChange, error) { + return c.DisableUnitFilesContext(context.Background(), files, runtime) +} + +// DisableUnitFilesContext may be used to disable one or more units in the +// system (by removing symlinks to them from /etc or /run). +// +// It takes a list of unit files to disable (either just file names or full +// absolute paths if the unit files are residing outside the usual unit +// search paths), and one boolean: whether the unit was enabled for runtime +// only (true, /run), or persistently (false, /etc). +// +// This call returns an array with the changes made. The changes list +// consists of structures with three strings: the type of the change (one of +// symlink or unlink), the file name of the symlink and the destination of the +// symlink. +func (c *Conn) DisableUnitFilesContext(ctx context.Context, files []string, runtime bool) ([]DisableUnitFileChange, error) { + result := make([][]interface{}, 0) + err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.DisableUnitFiles", 0, files, runtime).Store(&result) + if err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + changes := make([]DisableUnitFileChange, len(result)) + changesInterface := make([]interface{}, len(changes)) + for i := range changes { + changesInterface[i] = &changes[i] + } + + err = dbus.Store(resultInterface, changesInterface...) + if err != nil { + return nil, err + } + + return changes, nil +} + +type DisableUnitFileChange struct { + Type string // Type of the change (one of symlink or unlink) + Filename string // File name of the symlink + Destination string // Destination of the symlink +} + +// Deprecated: use MaskUnitFilesContext instead. +func (c *Conn) MaskUnitFiles(files []string, runtime bool, force bool) ([]MaskUnitFileChange, error) { + return c.MaskUnitFilesContext(context.Background(), files, runtime, force) +} + +// MaskUnitFilesContext masks one or more units in the system. +// +// The files argument contains a list of units to mask (either just file names +// or full absolute paths if the unit files are residing outside the usual unit +// search paths). +// +// The runtime argument is used to specify whether the unit was enabled for +// runtime only (true, /run/systemd/..), or persistently (false, +// /etc/systemd/..). +func (c *Conn) MaskUnitFilesContext(ctx context.Context, files []string, runtime bool, force bool) ([]MaskUnitFileChange, error) { + result := make([][]interface{}, 0) + err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.MaskUnitFiles", 0, files, runtime, force).Store(&result) + if err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + changes := make([]MaskUnitFileChange, len(result)) + changesInterface := make([]interface{}, len(changes)) + for i := range changes { + changesInterface[i] = &changes[i] + } + + err = dbus.Store(resultInterface, changesInterface...) + if err != nil { + return nil, err + } + + return changes, nil +} + +type MaskUnitFileChange struct { + Type string // Type of the change (one of symlink or unlink) + Filename string // File name of the symlink + Destination string // Destination of the symlink +} + +// Deprecated: use UnmaskUnitFilesContext instead. +func (c *Conn) UnmaskUnitFiles(files []string, runtime bool) ([]UnmaskUnitFileChange, error) { + return c.UnmaskUnitFilesContext(context.Background(), files, runtime) +} + +// UnmaskUnitFilesContext unmasks one or more units in the system. +// +// It takes the list of unit files to mask (either just file names or full +// absolute paths if the unit files are residing outside the usual unit search +// paths), and a boolean runtime flag to specify whether the unit was enabled +// for runtime only (true, /run/systemd/..), or persistently (false, +// /etc/systemd/..). +func (c *Conn) UnmaskUnitFilesContext(ctx context.Context, files []string, runtime bool) ([]UnmaskUnitFileChange, error) { + result := make([][]interface{}, 0) + err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.UnmaskUnitFiles", 0, files, runtime).Store(&result) + if err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + changes := make([]UnmaskUnitFileChange, len(result)) + changesInterface := make([]interface{}, len(changes)) + for i := range changes { + changesInterface[i] = &changes[i] + } + + err = dbus.Store(resultInterface, changesInterface...) + if err != nil { + return nil, err + } + + return changes, nil +} + +type UnmaskUnitFileChange struct { + Type string // Type of the change (one of symlink or unlink) + Filename string // File name of the symlink + Destination string // Destination of the symlink +} + +// Deprecated: use ReloadContext instead. +func (c *Conn) Reload() error { + return c.ReloadContext(context.Background()) +} + +// ReloadContext instructs systemd to scan for and reload unit files. This is +// an equivalent to systemctl daemon-reload. +func (c *Conn) ReloadContext(ctx context.Context) error { + return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.Reload", 0).Store() +} + +func unitPath(name string) dbus.ObjectPath { + return dbus.ObjectPath("/org/freedesktop/systemd1/unit/" + PathBusEscape(name)) +} + +// unitName returns the unescaped base element of the supplied escaped path. +func unitName(dpath dbus.ObjectPath) string { + return pathBusUnescape(path.Base(string(dpath))) +} + +// JobStatus holds a currently queued job definition. +type JobStatus struct { + Id uint32 // The numeric job id + Unit string // The primary unit name for this job + JobType string // The job type as string + Status string // The job state as string + JobPath dbus.ObjectPath // The job object path + UnitPath dbus.ObjectPath // The unit object path +} + +// Deprecated: use ListJobsContext instead. +func (c *Conn) ListJobs() ([]JobStatus, error) { + return c.ListJobsContext(context.Background()) +} + +// ListJobsContext returns an array with all currently queued jobs. +func (c *Conn) ListJobsContext(ctx context.Context) ([]JobStatus, error) { + return c.listJobsInternal(ctx) +} + +func (c *Conn) listJobsInternal(ctx context.Context) ([]JobStatus, error) { + result := make([][]interface{}, 0) + if err := c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ListJobs", 0).Store(&result); err != nil { + return nil, err + } + + resultInterface := make([]interface{}, len(result)) + for i := range result { + resultInterface[i] = result[i] + } + + status := make([]JobStatus, len(result)) + statusInterface := make([]interface{}, len(status)) + for i := range status { + statusInterface[i] = &status[i] + } + + if err := dbus.Store(resultInterface, statusInterface...); err != nil { + return nil, err + } + + return status, nil +} + +// Freeze the cgroup associated with the unit. +// Note that FreezeUnit and ThawUnit are only supported on systems running with cgroup v2. +func (c *Conn) FreezeUnit(ctx context.Context, unit string) error { + return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.FreezeUnit", 0, unit).Store() +} + +// Unfreeze the cgroup associated with the unit. +func (c *Conn) ThawUnit(ctx context.Context, unit string) error { + return c.sysobj.CallWithContext(ctx, "org.freedesktop.systemd1.Manager.ThawUnit", 0, unit).Store() +} diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/properties.go b/vendor/github.com/coreos/go-systemd/v22/dbus/properties.go new file mode 100644 index 000000000..fb42b6273 --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/dbus/properties.go @@ -0,0 +1,237 @@ +// Copyright 2015 CoreOS, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbus + +import ( + "github.com/godbus/dbus/v5" +) + +// From the systemd docs: +// +// The properties array of StartTransientUnit() may take many of the settings +// that may also be configured in unit files. Not all parameters are currently +// accepted though, but we plan to cover more properties with future release. +// Currently you may set the Description, Slice and all dependency types of +// units, as well as RemainAfterExit, ExecStart for service units, +// TimeoutStopUSec and PIDs for scope units, and CPUAccounting, CPUShares, +// BlockIOAccounting, BlockIOWeight, BlockIOReadBandwidth, +// BlockIOWriteBandwidth, BlockIODeviceWeight, MemoryAccounting, MemoryLimit, +// DevicePolicy, DeviceAllow for services/scopes/slices. These fields map +// directly to their counterparts in unit files and as normal D-Bus object +// properties. The exception here is the PIDs field of scope units which is +// used for construction of the scope only and specifies the initial PIDs to +// add to the scope object. + +type Property struct { + Name string + Value dbus.Variant +} + +type PropertyCollection struct { + Name string + Properties []Property +} + +type execStart struct { + Path string // the binary path to execute + Args []string // an array with all arguments to pass to the executed command, starting with argument 0 + UncleanIsFailure bool // a boolean whether it should be considered a failure if the process exits uncleanly +} + +// PropExecStart sets the ExecStart service property. The first argument is a +// slice with the binary path to execute followed by the arguments to pass to +// the executed command. See +// http://www.freedesktop.org/software/systemd/man/systemd.service.html#ExecStart= +func PropExecStart(command []string, uncleanIsFailure bool) Property { + execStarts := []execStart{ + { + Path: command[0], + Args: command, + UncleanIsFailure: uncleanIsFailure, + }, + } + + return Property{ + Name: "ExecStart", + Value: dbus.MakeVariant(execStarts), + } +} + +// PropRemainAfterExit sets the RemainAfterExit service property. See +// http://www.freedesktop.org/software/systemd/man/systemd.service.html#RemainAfterExit= +func PropRemainAfterExit(b bool) Property { + return Property{ + Name: "RemainAfterExit", + Value: dbus.MakeVariant(b), + } +} + +// PropType sets the Type service property. See +// http://www.freedesktop.org/software/systemd/man/systemd.service.html#Type= +func PropType(t string) Property { + return Property{ + Name: "Type", + Value: dbus.MakeVariant(t), + } +} + +// PropDescription sets the Description unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit#Description= +func PropDescription(desc string) Property { + return Property{ + Name: "Description", + Value: dbus.MakeVariant(desc), + } +} + +func propDependency(name string, units []string) Property { + return Property{ + Name: name, + Value: dbus.MakeVariant(units), + } +} + +// PropRequires sets the Requires unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#Requires= +func PropRequires(units ...string) Property { + return propDependency("Requires", units) +} + +// PropRequiresOverridable sets the RequiresOverridable unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#RequiresOverridable= +func PropRequiresOverridable(units ...string) Property { + return propDependency("RequiresOverridable", units) +} + +// PropRequisite sets the Requisite unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#Requisite= +func PropRequisite(units ...string) Property { + return propDependency("Requisite", units) +} + +// PropRequisiteOverridable sets the RequisiteOverridable unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#RequisiteOverridable= +func PropRequisiteOverridable(units ...string) Property { + return propDependency("RequisiteOverridable", units) +} + +// PropWants sets the Wants unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#Wants= +func PropWants(units ...string) Property { + return propDependency("Wants", units) +} + +// PropBindsTo sets the BindsTo unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#BindsTo= +func PropBindsTo(units ...string) Property { + return propDependency("BindsTo", units) +} + +// PropRequiredBy sets the RequiredBy unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#RequiredBy= +func PropRequiredBy(units ...string) Property { + return propDependency("RequiredBy", units) +} + +// PropRequiredByOverridable sets the RequiredByOverridable unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#RequiredByOverridable= +func PropRequiredByOverridable(units ...string) Property { + return propDependency("RequiredByOverridable", units) +} + +// PropWantedBy sets the WantedBy unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#WantedBy= +func PropWantedBy(units ...string) Property { + return propDependency("WantedBy", units) +} + +// PropBoundBy sets the BoundBy unit property. See +// http://www.freedesktop.org/software/systemd/main/systemd.unit.html#BoundBy= +func PropBoundBy(units ...string) Property { + return propDependency("BoundBy", units) +} + +// PropConflicts sets the Conflicts unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#Conflicts= +func PropConflicts(units ...string) Property { + return propDependency("Conflicts", units) +} + +// PropConflictedBy sets the ConflictedBy unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#ConflictedBy= +func PropConflictedBy(units ...string) Property { + return propDependency("ConflictedBy", units) +} + +// PropBefore sets the Before unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#Before= +func PropBefore(units ...string) Property { + return propDependency("Before", units) +} + +// PropAfter sets the After unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#After= +func PropAfter(units ...string) Property { + return propDependency("After", units) +} + +// PropOnFailure sets the OnFailure unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#OnFailure= +func PropOnFailure(units ...string) Property { + return propDependency("OnFailure", units) +} + +// PropTriggers sets the Triggers unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#Triggers= +func PropTriggers(units ...string) Property { + return propDependency("Triggers", units) +} + +// PropTriggeredBy sets the TriggeredBy unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#TriggeredBy= +func PropTriggeredBy(units ...string) Property { + return propDependency("TriggeredBy", units) +} + +// PropPropagatesReloadTo sets the PropagatesReloadTo unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#PropagatesReloadTo= +func PropPropagatesReloadTo(units ...string) Property { + return propDependency("PropagatesReloadTo", units) +} + +// PropRequiresMountsFor sets the RequiresMountsFor unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.unit.html#RequiresMountsFor= +func PropRequiresMountsFor(units ...string) Property { + return propDependency("RequiresMountsFor", units) +} + +// PropSlice sets the Slice unit property. See +// http://www.freedesktop.org/software/systemd/man/systemd.resource-control.html#Slice= +func PropSlice(slice string) Property { + return Property{ + Name: "Slice", + Value: dbus.MakeVariant(slice), + } +} + +// PropPids sets the PIDs field of scope units used in the initial construction +// of the scope only and specifies the initial PIDs to add to the scope object. +// See https://www.freedesktop.org/wiki/Software/systemd/ControlGroupInterface/#properties +func PropPids(pids ...uint32) Property { + return Property{ + Name: "PIDs", + Value: dbus.MakeVariant(pids), + } +} diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/set.go b/vendor/github.com/coreos/go-systemd/v22/dbus/set.go new file mode 100644 index 000000000..17c5d4856 --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/dbus/set.go @@ -0,0 +1,47 @@ +// Copyright 2015 CoreOS, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbus + +type set struct { + data map[string]bool +} + +func (s *set) Add(value string) { + s.data[value] = true +} + +func (s *set) Remove(value string) { + delete(s.data, value) +} + +func (s *set) Contains(value string) (exists bool) { + _, exists = s.data[value] + return +} + +func (s *set) Length() int { + return len(s.data) +} + +func (s *set) Values() (values []string) { + for val := range s.data { + values = append(values, val) + } + return +} + +func newSet() *set { + return &set{make(map[string]bool)} +} diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/subscription.go b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription.go new file mode 100644 index 000000000..7e370fea2 --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription.go @@ -0,0 +1,333 @@ +// Copyright 2015 CoreOS, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbus + +import ( + "errors" + "log" + "time" + + "github.com/godbus/dbus/v5" +) + +const ( + cleanIgnoreInterval = int64(10 * time.Second) + ignoreInterval = int64(30 * time.Millisecond) +) + +// Subscribe sets up this connection to subscribe to all systemd dbus events. +// This is required before calling SubscribeUnits. When the connection closes +// systemd will automatically stop sending signals so there is no need to +// explicitly call Unsubscribe(). +func (c *Conn) Subscribe() error { + c.sigconn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, + "type='signal',interface='org.freedesktop.systemd1.Manager',member='UnitNew'") + c.sigconn.BusObject().Call("org.freedesktop.DBus.AddMatch", 0, + "type='signal',interface='org.freedesktop.DBus.Properties',member='PropertiesChanged'") + + return c.sigobj.Call("org.freedesktop.systemd1.Manager.Subscribe", 0).Store() +} + +// Unsubscribe this connection from systemd dbus events. +func (c *Conn) Unsubscribe() error { + return c.sigobj.Call("org.freedesktop.systemd1.Manager.Unsubscribe", 0).Store() +} + +func (c *Conn) dispatch() { + ch := make(chan *dbus.Signal, signalBuffer) + + c.sigconn.Signal(ch) + + go func() { + for { + signal, ok := <-ch + if !ok { + return + } + + if signal.Name == "org.freedesktop.systemd1.Manager.JobRemoved" { + c.jobComplete(signal) + } + + if c.subStateSubscriber.updateCh == nil && + c.propertiesSubscriber.updateCh == nil { + continue + } + + var unitPath dbus.ObjectPath + switch signal.Name { + case "org.freedesktop.systemd1.Manager.JobRemoved": + unitName := signal.Body[2].(string) + c.sysobj.Call("org.freedesktop.systemd1.Manager.GetUnit", 0, unitName).Store(&unitPath) + case "org.freedesktop.systemd1.Manager.UnitNew": + unitPath = signal.Body[1].(dbus.ObjectPath) + case "org.freedesktop.DBus.Properties.PropertiesChanged": + if signal.Body[0].(string) == "org.freedesktop.systemd1.Unit" { + unitPath = signal.Path + + if len(signal.Body) >= 2 { + if changed, ok := signal.Body[1].(map[string]dbus.Variant); ok { + c.sendPropertiesUpdate(unitPath, changed) + } + } + } + } + + if unitPath == dbus.ObjectPath("") { + continue + } + + c.sendSubStateUpdate(unitPath) + } + }() +} + +// SubscribeUnits returns two unbuffered channels which will receive all changed units every +// interval. Deleted units are sent as nil. +func (c *Conn) SubscribeUnits(interval time.Duration) (<-chan map[string]*UnitStatus, <-chan error) { + return c.SubscribeUnitsCustom(interval, 0, func(u1, u2 *UnitStatus) bool { return *u1 != *u2 }, nil) +} + +// SubscribeUnitsCustom is like SubscribeUnits but lets you specify the buffer +// size of the channels, the comparison function for detecting changes and a filter +// function for cutting down on the noise that your channel receives. +func (c *Conn) SubscribeUnitsCustom(interval time.Duration, buffer int, isChanged func(*UnitStatus, *UnitStatus) bool, filterUnit func(string) bool) (<-chan map[string]*UnitStatus, <-chan error) { + old := make(map[string]*UnitStatus) + statusChan := make(chan map[string]*UnitStatus, buffer) + errChan := make(chan error, buffer) + + go func() { + for { + timerChan := time.After(interval) + + units, err := c.ListUnits() + if err == nil { + cur := make(map[string]*UnitStatus) + for i := range units { + if filterUnit != nil && filterUnit(units[i].Name) { + continue + } + cur[units[i].Name] = &units[i] + } + + // add all new or changed units + changed := make(map[string]*UnitStatus) + for n, u := range cur { + if oldU, ok := old[n]; !ok || isChanged(oldU, u) { + changed[n] = u + } + delete(old, n) + } + + // add all deleted units + for oldN := range old { + changed[oldN] = nil + } + + old = cur + + if len(changed) != 0 { + statusChan <- changed + } + } else { + errChan <- err + } + + <-timerChan + } + }() + + return statusChan, errChan +} + +type SubStateUpdate struct { + UnitName string + SubState string +} + +// SetSubStateSubscriber writes to updateCh when any unit's substate changes. +// Although this writes to updateCh on every state change, the reported state +// may be more recent than the change that generated it (due to an unavoidable +// race in the systemd dbus interface). That is, this method provides a good +// way to keep a current view of all units' states, but is not guaranteed to +// show every state transition they go through. Furthermore, state changes +// will only be written to the channel with non-blocking writes. If updateCh +// is full, it attempts to write an error to errCh; if errCh is full, the error +// passes silently. +func (c *Conn) SetSubStateSubscriber(updateCh chan<- *SubStateUpdate, errCh chan<- error) { + if c == nil { + msg := "nil receiver" + select { + case errCh <- errors.New(msg): + default: + log.Printf("full error channel while reporting: %s\n", msg) + } + return + } + + c.subStateSubscriber.Lock() + defer c.subStateSubscriber.Unlock() + c.subStateSubscriber.updateCh = updateCh + c.subStateSubscriber.errCh = errCh +} + +func (c *Conn) sendSubStateUpdate(unitPath dbus.ObjectPath) { + c.subStateSubscriber.Lock() + defer c.subStateSubscriber.Unlock() + + if c.subStateSubscriber.updateCh == nil { + return + } + + isIgnored := c.shouldIgnore(unitPath) + defer c.cleanIgnore() + if isIgnored { + return + } + + info, err := c.GetUnitPathProperties(unitPath) + if err != nil { + select { + case c.subStateSubscriber.errCh <- err: + default: + log.Printf("full error channel while reporting: %s\n", err) + } + return + } + defer c.updateIgnore(unitPath, info) + + name, ok := info["Id"].(string) + if !ok { + msg := "failed to cast info.Id" + select { + case c.subStateSubscriber.errCh <- errors.New(msg): + default: + log.Printf("full error channel while reporting: %s\n", err) + } + return + } + substate, ok := info["SubState"].(string) + if !ok { + msg := "failed to cast info.SubState" + select { + case c.subStateSubscriber.errCh <- errors.New(msg): + default: + log.Printf("full error channel while reporting: %s\n", msg) + } + return + } + + update := &SubStateUpdate{name, substate} + select { + case c.subStateSubscriber.updateCh <- update: + default: + msg := "update channel is full" + select { + case c.subStateSubscriber.errCh <- errors.New(msg): + default: + log.Printf("full error channel while reporting: %s\n", msg) + } + return + } +} + +// The ignore functions work around a wart in the systemd dbus interface. +// Requesting the properties of an unloaded unit will cause systemd to send a +// pair of UnitNew/UnitRemoved signals. Because we need to get a unit's +// properties on UnitNew (as that's the only indication of a new unit coming up +// for the first time), we would enter an infinite loop if we did not attempt +// to detect and ignore these spurious signals. The signal themselves are +// indistinguishable from relevant ones, so we (somewhat hackishly) ignore an +// unloaded unit's signals for a short time after requesting its properties. +// This means that we will miss e.g. a transient unit being restarted +// *immediately* upon failure and also a transient unit being started +// immediately after requesting its status (with systemctl status, for example, +// because this causes a UnitNew signal to be sent which then causes us to fetch +// the properties). + +func (c *Conn) shouldIgnore(path dbus.ObjectPath) bool { + t, ok := c.subStateSubscriber.ignore[path] + return ok && t >= time.Now().UnixNano() +} + +func (c *Conn) updateIgnore(path dbus.ObjectPath, info map[string]interface{}) { + loadState, ok := info["LoadState"].(string) + if !ok { + return + } + + // unit is unloaded - it will trigger bad systemd dbus behavior + if loadState == "not-found" { + c.subStateSubscriber.ignore[path] = time.Now().UnixNano() + ignoreInterval + } +} + +// without this, ignore would grow unboundedly over time +func (c *Conn) cleanIgnore() { + now := time.Now().UnixNano() + if c.subStateSubscriber.cleanIgnore < now { + c.subStateSubscriber.cleanIgnore = now + cleanIgnoreInterval + + for p, t := range c.subStateSubscriber.ignore { + if t < now { + delete(c.subStateSubscriber.ignore, p) + } + } + } +} + +// PropertiesUpdate holds a map of a unit's changed properties +type PropertiesUpdate struct { + UnitName string + Changed map[string]dbus.Variant +} + +// SetPropertiesSubscriber writes to updateCh when any unit's properties +// change. Every property change reported by systemd will be sent; that is, no +// transitions will be "missed" (as they might be with SetSubStateSubscriber). +// However, state changes will only be written to the channel with non-blocking +// writes. If updateCh is full, it attempts to write an error to errCh; if +// errCh is full, the error passes silently. +func (c *Conn) SetPropertiesSubscriber(updateCh chan<- *PropertiesUpdate, errCh chan<- error) { + c.propertiesSubscriber.Lock() + defer c.propertiesSubscriber.Unlock() + c.propertiesSubscriber.updateCh = updateCh + c.propertiesSubscriber.errCh = errCh +} + +// we don't need to worry about shouldIgnore() here because +// sendPropertiesUpdate doesn't call GetProperties() +func (c *Conn) sendPropertiesUpdate(unitPath dbus.ObjectPath, changedProps map[string]dbus.Variant) { + c.propertiesSubscriber.Lock() + defer c.propertiesSubscriber.Unlock() + + if c.propertiesSubscriber.updateCh == nil { + return + } + + update := &PropertiesUpdate{unitName(unitPath), changedProps} + + select { + case c.propertiesSubscriber.updateCh <- update: + default: + msg := "update channel is full" + select { + case c.propertiesSubscriber.errCh <- errors.New(msg): + default: + log.Printf("full error channel while reporting: %s\n", msg) + } + return + } +} diff --git a/vendor/github.com/coreos/go-systemd/v22/dbus/subscription_set.go b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription_set.go new file mode 100644 index 000000000..5b408d584 --- /dev/null +++ b/vendor/github.com/coreos/go-systemd/v22/dbus/subscription_set.go @@ -0,0 +1,57 @@ +// Copyright 2015 CoreOS, Inc. +// +// Licensed under the Apache License, Version 2.0 (the "License"); +// you may not use this file except in compliance with the License. +// You may obtain a copy of the License at +// +// http://www.apache.org/licenses/LICENSE-2.0 +// +// Unless required by applicable law or agreed to in writing, software +// distributed under the License is distributed on an "AS IS" BASIS, +// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. +// See the License for the specific language governing permissions and +// limitations under the License. + +package dbus + +import ( + "time" +) + +// SubscriptionSet returns a subscription set which is like conn.Subscribe but +// can filter to only return events for a set of units. +type SubscriptionSet struct { + *set + conn *Conn +} + +func (s *SubscriptionSet) filter(unit string) bool { + return !s.Contains(unit) +} + +// Subscribe starts listening for dbus events for all of the units in the set. +// Returns channels identical to conn.SubscribeUnits. +func (s *SubscriptionSet) Subscribe() (<-chan map[string]*UnitStatus, <-chan error) { + // TODO: Make fully evented by using systemd 209 with properties changed values + return s.conn.SubscribeUnitsCustom(time.Second, 0, + mismatchUnitStatus, + func(unit string) bool { return s.filter(unit) }, + ) +} + +// NewSubscriptionSet returns a new subscription set. +func (conn *Conn) NewSubscriptionSet() *SubscriptionSet { + return &SubscriptionSet{newSet(), conn} +} + +// mismatchUnitStatus returns true if the provided UnitStatus objects +// are not equivalent. false is returned if the objects are equivalent. +// Only the Name, Description and state-related fields are used in +// the comparison. +func mismatchUnitStatus(u1, u2 *UnitStatus) bool { + return u1.Name != u2.Name || + u1.Description != u2.Description || + u1.LoadState != u2.LoadState || + u1.ActiveState != u2.ActiveState || + u1.SubState != u2.SubState +} diff --git a/vendor/github.com/godbus/dbus/v5/CONTRIBUTING.md b/vendor/github.com/godbus/dbus/v5/CONTRIBUTING.md new file mode 100644 index 000000000..c88f9b2bd --- /dev/null +++ b/vendor/github.com/godbus/dbus/v5/CONTRIBUTING.md @@ -0,0 +1,50 @@ +# How to Contribute + +## Getting Started + +- Fork the repository on GitHub +- Read the [README](README.markdown) for build and test instructions +- Play with the project, submit bugs, submit patches! + +## Contribution Flow + +This is a rough outline of what a contributor's workflow looks like: + +- Create a topic branch from where you want to base your work (usually master). +- Make commits of logical units. +- Make sure your commit messages are in the proper format (see below). +- Push your changes to a topic branch in your fork of the repository. +- Make sure the tests pass, and add any new tests as appropriate. +- Submit a pull request to the original repository. + +Thanks for your contributions! + +### Format of the Commit Message + +We follow a rough convention for commit messages that is designed to answer two +questions: what changed and why. The subject line should feature the what and +the body of the commit should describe the why. + +``` +scripts: add the test-cluster command + +this uses tmux to setup a test cluster that you can easily kill and +start for debugging. + +Fixes #38 +``` + +The format can be described more formally as follows: + +``` +: + + + +