From ac5b9b33c3bb7b451206d13031f0388f80658f1e Mon Sep 17 00:00:00 2001 From: llamalump Date: Wed, 15 Feb 2023 10:27:11 +1100 Subject: [PATCH] Initial commit --- .ansible-lint | 14 + .github/FUNDING.yml | 2 + .github/ISSUE_TEMPLATE/bug_report.md | 31 + .github/ISSUE_TEMPLATE/feature_request.md | 18 + .github/pull_request_template.md | 11 + .gitignore | 6 + .yamllint | 16 + CODE_OF_CONDUCT.md | 46 ++ LICENSE | 674 ++++++++++++++++++ README.md | 229 ++++++ SECURITY.md | 21 + defaults/main.yml | 104 +++ handlers/main.yml | 9 + meta/main.yml | 39 + meta/preferences.yml | 2 + molecule/default/converge.yml | 8 + molecule/default/molecule.yml | 27 + molecule/default/verify.yml | 9 + requirements.txt | 2 + tasks/assert.yml | 210 ++++++ tasks/main.yml | 100 +++ templates/rsyslog.conf.j2 | 112 +++ .../rsyslog.d/forward_syslog_tcp.conf.j2 | 11 + templates/rsyslog.d/input_syslog_tcp.conf.j2 | 20 + templates/rsyslog.d/output_file.conf.j2 | 50 ++ tox.ini | 29 + vars/main.yml | 13 + 27 files changed, 1813 insertions(+) create mode 100644 .ansible-lint create mode 100644 .github/FUNDING.yml create mode 100644 .github/ISSUE_TEMPLATE/bug_report.md create mode 100644 .github/ISSUE_TEMPLATE/feature_request.md create mode 100644 .github/pull_request_template.md create mode 100644 .gitignore create mode 100644 .yamllint create mode 100644 CODE_OF_CONDUCT.md create mode 100644 LICENSE create mode 100644 README.md create mode 100644 SECURITY.md create mode 100644 defaults/main.yml create mode 100644 handlers/main.yml create mode 100644 meta/main.yml create mode 100644 meta/preferences.yml create mode 100644 molecule/default/converge.yml create mode 100644 molecule/default/molecule.yml create mode 100644 molecule/default/verify.yml create mode 100644 requirements.txt create mode 100644 tasks/assert.yml create mode 100644 tasks/main.yml create mode 100644 templates/rsyslog.conf.j2 create mode 100644 templates/rsyslog.d/forward_syslog_tcp.conf.j2 create mode 100644 templates/rsyslog.d/input_syslog_tcp.conf.j2 create mode 100644 templates/rsyslog.d/output_file.conf.j2 create mode 100644 tox.ini create mode 100644 vars/main.yml diff --git a/.ansible-lint b/.ansible-lint new file mode 100644 index 0000000..4aa401e --- /dev/null +++ b/.ansible-lint @@ -0,0 +1,14 @@ +--- +# +# Ansible managed +# +exclude_paths: + - ./meta/preferences.yml + - ./molecule/default/prepare.yml + - ./molecule/default/converge.yml + - ./molecule/default/verify.yml + - ./molecule/default/collections.yml + - ./.tox + - ./.cache + - ./.github + - ./requirements.yml diff --git a/.github/FUNDING.yml b/.github/FUNDING.yml new file mode 100644 index 0000000..58c1612 --- /dev/null +++ b/.github/FUNDING.yml @@ -0,0 +1,2 @@ +--- +github: llamalump diff --git a/.github/ISSUE_TEMPLATE/bug_report.md b/.github/ISSUE_TEMPLATE/bug_report.md new file mode 100644 index 0000000..1cd03c5 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/bug_report.md @@ -0,0 +1,31 @@ +--- +name: Bug report +about: Create a report to help me improve + +--- + +## Describe the bug + +A clear and concise description of what the bug is. + +## Playbook + +Please paste the playbook you are using. (Consider `requirements.yml` and +optionally the command you've invoked.) + + +```yaml +--- +YOUR PLAYBOOK HERE +``` + +## Output + +Show at least the error, possible related output, maybe just all the output. + +## Environment + +- Control node OS: [e.g. Debian 9] (`cat /etc/os-release`) +- Control node Ansible version: [e.g. 2.9.1] (`ansible --version`) +- Managed node OS: [e.g. CentOS 7] (`cat /etc/os-release`) + diff --git a/.github/ISSUE_TEMPLATE/feature_request.md b/.github/ISSUE_TEMPLATE/feature_request.md new file mode 100644 index 0000000..2e49330 --- /dev/null +++ b/.github/ISSUE_TEMPLATE/feature_request.md @@ -0,0 +1,18 @@ +--- +name: Feature request +about: Suggest an idea for this project + +--- + +## Proposed feature + +A clear and concise description of what you want to happen. + +## Rationale + +Why is this feature required? + +## Additional context + +Add any other context about the feature request here. + diff --git a/.github/pull_request_template.md b/.github/pull_request_template.md new file mode 100644 index 0000000..b1578c0 --- /dev/null +++ b/.github/pull_request_template.md @@ -0,0 +1,11 @@ +--- +name: Pull request +about: Describe the proposed change + +--- + +**Describe the change** +A clear and concise description of what the pull request is. + +**Testing** +In case a feature was added, how were tests performed? diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ad73ff6 --- /dev/null +++ b/.gitignore @@ -0,0 +1,6 @@ +.molecule +*.log +*.swp +.tox +.cache +.DS_Store diff --git a/.yamllint b/.yamllint new file mode 100644 index 0000000..a7ff098 --- /dev/null +++ b/.yamllint @@ -0,0 +1,16 @@ +--- +extends: default + +rules: + braces: + max-spaces-inside: 1 + level: error + brackets: + max-spaces-inside: 1 + level: error + line-length: disable + truthy: disable + +ignore: | + .tox/ + .cache/ diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md new file mode 100644 index 0000000..0d97a6f --- /dev/null +++ b/CODE_OF_CONDUCT.md @@ -0,0 +1,46 @@ +# Contributor Covenant Code of Conduct + +## Our Pledge + +In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation. + +## Our Standards + +Examples of behaviour that contributes to creating a positive environment include: + +* Using welcoming and inclusive language +* Being respectful of differing viewpoints and experiences +* Gracefully accepting constructive criticism +* Focusing on what is best for the community +* Showing empathy towards other community members + +Examples of unacceptable behaviour by participants include: + +* The use of sexualized language or imagery and unwelcome sexual attention or advances +* Trolling, insulting/derogatory comments, and personal or political attacks +* Public or private harassment +* Publishing others' private information, such as a physical or electronic address, without explicit permission +* Other conduct which could reasonably be considered inappropriate in a professional setting + +## Our Responsibilities + +Project maintainers are responsible for clarifying the standards of acceptable behaviour and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behaviour. + +Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviours that they deem inappropriate, threatening, offensive, or harmful. + +## Scope + +This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers. + +## Enforcement + +Instances of abusive, harassing, or otherwise unacceptable behaviour may be reported by contacting the project team at robert@meinit.nl. The project team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The project team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately. + +Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the project's leadership. + +## Attribution + +This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version] + +[homepage]: http://contributor-covenant.org +[version]: http://contributor-covenant.org/version/1/4/ diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..e72bfdd --- /dev/null +++ b/LICENSE @@ -0,0 +1,674 @@ + GNU GENERAL PUBLIC LICENSE + Version 3, 29 June 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU General Public License is a free, copyleft license for +software and other kinds of works. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If the program does terminal interaction, make it output a short +notice like this when it starts in an interactive mode: + + Copyright (C) + This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. + This is free software, and you are welcome to redistribute it + under certain conditions; type `show c' for details. + +The hypothetical commands `show w' and `show c' should show the appropriate +parts of the General Public License. Of course, your program's commands +might be different; for a GUI interface, you would use an "about box". + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU GPL, see +. + + The GNU General Public License does not permit incorporating your program +into proprietary programs. If your program is a subroutine library, you +may consider it more useful to permit linking proprietary applications with +the library. If this is what you want to do, use the GNU Lesser General +Public License instead of this License. But first, please read +. \ No newline at end of file diff --git a/README.md b/README.md new file mode 100644 index 0000000..3d25e47 --- /dev/null +++ b/README.md @@ -0,0 +1,229 @@ +# Ansible Role: Rsyslog + +A modular approach to configuring the Rsyslog daemon. Now with more complex configuration of remote log ingestion. + +## Requirements + +None. + +## Role Variables + +Available variabes are listed below in chunks, along with default values (see `defaults/main.yml`): + +```yaml +# To configure the target machine to receive logs, set rsyslog_receiver to yes. +rsyslog_receiver: no + +# Hostname or IP address of the host to send syslog data to. By not setting this variable, the target machine will not forward logs. +# rsyslog_remote: + +# tcp, udp, and/or relp +rsyslog_remote_protocols: + tcp: 514 +``` + +I recommend using an IP address when setting `rsyslog_remote`. If the rsyslog client has issues with resolving the hostname of `rsyslog_remote`, then it will stop forwarding logs. + +You can specify multiple protocols to forward logs with in `rsyslog_remote_protocols`. The format to use is `protocol_type: port_number`. For example, to send logs over 514/tcp and RELP on port 514: + +```yaml +rsyslog_remote_protocols: + tcp: 514 + relp: 514 +``` + +You can also specify the ownership and file mode of created files and directories: + +```yaml +# Set the mode for new directories +rsyslog_dircreatemode: "0700" +rsyslog_dirowner: "root" +rsyslog_dirgroup: "root" + +# Set the mode for new files +rsyslog_filecreatemode: "0644" +rsyslog_fileowner: "root" +rsyslog_filegroup: "root" +``` + +By default, the standard `imuxsock` and `imjournal` modules are loaded: + +```yaml +# List of modules to enable +rsyslog_modules: + - imuxsock + - imjournal +``` + +Additional allowed modules are `imklog` and `immark`. The `imfile` module is loaded by default, so there is no need to include it here (in fact, the playbook will throw an error if you do). + +By default, file output rules are set in a format that makes sense for a client (the default target state of this role): + +```yaml +rsyslog_client_file_output_rules: + - rule: '*.info,mail.none,authpriv.none,cron.none' + logpath: '/var/log/messages' + - rule: 'authpriv.*' + logpath: '/var/log/secure' + - rule: 'mail.*' + logpath: '-/var/log/maillog' + - rule: 'cron.*' + logpath: '/var/log/cron' + - rule: '*.emerg' + logpath: ':omusrmsg:*' + - rule: 'uucp,news.crit' + logpath: '/var/log/spooler' + - rule: 'local7.*' + logpath: '/var/log/boot.log' + - rule: '*.debug' + logpath: '/var/log/debug.log' +``` + +If the target machine is going to be receiving logs, I recommend the following output rules, which will retain *similar* log file names to that of the sending system (assuming the client is RHEL/CentOS based). + +```yaml +rsyslog_file_output_rules: + - rule: '*.info,mail.none,authpriv.none,cron.none' + logfile: 'messages' + - rule: 'authpriv.*' + logfile: 'secure' + - rule: 'mail.*' + logfile: 'maillog' + - rule: 'cron.*' + logfile: 'cron' + - rule: '*.emerg' + logfile: 'emergency.log' + - rule: 'uucp,news.crit' + logfile: 'spooler' + - rule: 'local7.*' + logfile: 'boot.log' + - rule: '*.debug' + logfile: 'debug.log' +``` + +You can choose to preserve FQDNs when receiving log files: + +```yaml +rsyslog_preservefqdn: no +``` + +By default (to remain compatible with legacy sysklogd), `rsyslog_preservefqdn` is turned off. In this case, if logs are sent within the same domain, only the short hostname is kept (the domain is stripped). If set to yes, full names are always kept. + +You can also choose the method of checking if the `rsyslog` package is simply installed (`present`), or tell Ansible to keep the package up-to-date (`latest`): + +```yaml +rsyslog_package_state: present +``` + +Rsyslog can be configured to drop logs that contain malicious DNS PTR records (https://www.rsyslog.com/doc/v8-stable/configuration/input_directives/rsconf1_dropmsgswithmaliciousdnsptrrecords.html). By default, this functionality is disabled to prevent any surprises. + +```yaml +rsyslog_drop_malicious_ptr_records: no +``` + +A more advanced configuration is to have Rsyslog encrypt logs in transit with TLS. This is disabled by default due to the complexity it introduces, and the requirement for creating certificates. + +```yaml +rsyslog_use_tls: no + +# Only relevant if rsyslog_use_tls is set to yes +rsyslog_tls_ca_file: /etc/rsyslog.d/keys/rootCA.crt +rsyslog_tls_cert_file: /etc/rsyslog.d/keys/logmanagement-client.crt +rsyslog_tls_key_file: /etc/rsyslog.d/keys/logmanagement-client.key +``` + +Rsyslog has an array of plugins available, such as for outputting logs directly to Elasticsearch (https://www.rsyslog.com/doc/v8-stable/configuration/modules/omelasticsearch.html). Simply define the package name(s) in the list to install them. + +**Note**: this role does not includ default configs for plugins; you will need to define configuration for plugins in the `rsyslog_custom_configs` variable (details below). + +```yaml +# Install additional rsyslog plugins +# For example, to install the elastisearch plugin: +# rsyslog_plugins: +# - gnutls +# - elastisearch +rsyslog_plugins: [] +``` + +Custom configurations can be defined directly in the YAML. The dictionary keys in `rsyslog_custom_configs` are used to set the name of each custom config file. Custom config files are included at the end of the base configuration file (set by `rsyslog_dest_conf_file`) + +```yaml +# Configure custom configs to deploy in /etc/rsyslog.d/ +# Example: +# rsyslog_custom_configs: +# forward_splunk_tcp: # this will create /etc/rsyslog.d/forward_splunk_tcp.conf +# content: | +# action(type="omfwd" +# target="splunk-indexer.example.com" +# port="514" +# protocol="tcp") +rsyslog_custom_configs: {} +``` + +The remaining -- more generic -- variables are below: + +```yaml +# Set maximum message length +rsyslog_max_message_size: "4k" + +# https://www.rsyslog.com/doc/v8-stable/configuration/modules/imuxsock.html#syssock-use +rsyslog_imuxsock_syssock: yes + +# Default destination of rsyslog config file +rsyslog_dest_conf_file: "/etc/rsyslog.conf" + +# Enable / Disable option OmitLocalLogging +rsyslog_omit_local_logging: yes + +# rsyslog queue settings +rsyslog_queue_dir: "{{ rsyslog_work_directory }}/queue" +rsyslog_queue_filename: "input.q" +# Queue type +# Allowed types are: FixedArray, LinkedList, Direct, or Disk +rsyslog_queue_type: "LinkedList" +# queue sizing: +# - size for 1.000.000 messages in-memory queue +# - assume avg. message size is 1024 bytes +# - overhead due to pointers: 4 bytes on 32bit systems, 8 bytes on 64bit systems +# - memory usage: 1000000 * 1024 byyes + (1000000 * 8 bytes) = 984 MB +rsyslog_queue_size: 1000000 +rsyslog_queue_threads: 1 +# Defines the minimum number of messages in the queue to start a new thread +rsyslog_queue_min_messages: 1000 +rsyslog_queue_dequeue_batch_size: 16 +# Save the queue to disk on shutdown +rsyslog_queue_save_on_shutdown: on + +# dynaFile template options +rsyslog_remote_log_save_path_template_name: "RemoteLogSavePath" +rsyslog_remote_log_save_path_template: "/var/log/remote_syslog/%SOURCE%/%$YEAR%-%$MONTH%-%$DAY%/%$.logpath%" +``` + +## Dependencies + +None. + +## Example playbook + +```yaml +--- +- name: Deploy Rsyslog configuration + hosts: all + roles: + - role: rst-ack.rsyslog +``` + +## License + +GNU GPLv3 + +## Contributing + +If you would like to contribute to this role, please create a pull request including as much detail as you can. + +## Acknowledgements + +This role was created in 2023 with inspiration from: + +* [Robert DeBock's rsyslog role](https://github.com/robertdebock/ansible-role-rsyslog) +* [jmaas's rsyslog-configs](https://github.com/jmaas/rsyslog-configs) diff --git a/SECURITY.md b/SECURITY.md new file mode 100644 index 0000000..ee34789 --- /dev/null +++ b/SECURITY.md @@ -0,0 +1,21 @@ +# [Security Policy](#security-policy) + +This software implements other software, it's not very likely that this software introduces new vulnerabilities. + +## [Supported Versions](#supported-versions) + +The current major version is supported. For example if the current version is 3.4.1: + +| Version | Supported | +| ------- | ------------------ | +| 3.4.1 | :white_check_mark: | +| 3.4.x | :white_check_mark: | +| 3.x.x | :white_check_mark: | +| 2.0.0 | :x: | +| 1.0.0 | :x: | + +## [Reporting a Vulnerability](#reporting-a-vulnarability) + +Please [open an issue](https://github.com/rst-ack/ansible-role-rsyslog/issues) describing the vulnerability. + +I will do my best to address the vulnerability ASAP. Alternatively, if you have the time and/or capability, please consider creating a pull request with the required changes to address it. diff --git a/defaults/main.yml b/defaults/main.yml new file mode 100644 index 0000000..f83de6f --- /dev/null +++ b/defaults/main.yml @@ -0,0 +1,104 @@ +# To configure the target machine to receive logs, set rsyslog_receiver to yes. +rsyslog_receiver: no + +# Hostname or IP address of the host to send syslog data to. By not setting this variable, the target machine will not forward logs. +# rsyslog_remote: + +# tcp, udp, and/or relp +rsyslog_remote_protocols: + tcp: 514 + +# Set the mode for new directories +rsyslog_dircreatemode: "0700" +rsyslog_dirowner: "root" +rsyslog_dirgroup: "root" + +# Set the mode for new files +rsyslog_filecreatemode: "0644" +rsyslog_fileowner: "root" +rsyslog_filegroup: "root" + +rsyslog_modules: + - imuxsock + - imjournal + +rsyslog_client_file_output_rules: + - rule: "*.info,mail.none,authpriv.none,cron.none" + logpath: "/var/log/messages" + - rule: "authpriv.*" + logpath: "/var/log/secure" + - rule: "mail.*" + logpath: "-/var/log/maillog" + - rule: "cron.*" + logpath: "/var/log/cron" + - rule: "*.emerg" + logpath: ":omusrmsg:*" + - rule: "uucp,news.crit" + logpath: "/var/log/spooler" + - rule: "local7.*" + logpath: "/var/log/boot.log" + - rule: "*.debug" + logpath: "/var/log/debug.log" + +rsyslog_preservefqdn: no +rsyslog_package_state: present +rsyslog_drop_malicious_ptr_records: no + +rsyslog_use_tls: no +# Only relevant if rsyslog_use_tls is set to yes +rsyslog_tls_ca_file: /etc/rsyslog.d/keys/rootCA.crt +rsyslog_tls_cert_file: /etc/rsyslog.d/keys/logmanagement-client.crt +rsyslog_tls_key_file: /etc/rsyslog.d/keys/logmanagement-client.key + +# Install additional rsyslog plugins +# For example, to install the elastisearch plugin: +# rsyslog_plugins: +# - gnutls +# - elastisearch +rsyslog_plugins: [] + +# Configure custom configs to deploy in /etc/rsyslog.d/ +# Example: +# rsyslog_custom_configs: +# forward_splunk_tcp: +# content: | +# action(type="omfwd" +# target="splunk-indexer.example.com" +# port="514" +# protocol="tcp") +rsyslog_custom_configs: {} + +# Set maximum message length +rsyslog_max_message_size: "4k" + +# https://www.rsyslog.com/doc/v8-stable/configuration/modules/imuxsock.html#syssock-use +rsyslog_imuxsock_syssock: yes + +# Default destination of rsyslog config file +rsyslog_dest_conf_file: "/etc/rsyslog.conf" + +# Enable / Disable option OmitLocalLogging +rsyslog_omit_local_logging: yes + +# rsyslog queue settings +rsyslog_queue_dir: "{{ rsyslog_work_directory }}/queue" +rsyslog_queue_filename: "input.q" +# Queue type +# Allowed types are: FixedArray, LinkedList, Direct, or Disk +rsyslog_queue_type: "LinkedList" +# queue sizing: +# - size for 1.000.000 messages in-memory queue +# - assume avg. message size is 1024 bytes +# - overhead due to pointers: 4 bytes on 32bit systems, 8 bytes on 64bit systems +# - memory usage: 1000000 * 1024 byyes + (1000000 * 8 bytes) = 984 MB +rsyslog_queue_size: 1000000 +rsyslog_queue_threads: 1 +# Defines the minimum number of messages in the queue to start a new thread +rsyslog_queue_min_messages: 1000 +rsyslog_queue_dequeue_batch_size: 16 +# Save the queue to disk on shutdown +rsyslog_queue_save_on_shutdown: on + +# dynaFile template options +rsyslog_remote_log_save_path_template_name: "RemoteLogSavePath" +rsyslog_remote_log_save_path_template: "/var/log/remote_syslog/%SOURCE%/%$YEAR%-%$MONTH%-%$DAY%/%$.logpath%" diff --git a/handlers/main.yml b/handlers/main.yml new file mode 100644 index 0000000..7280165 --- /dev/null +++ b/handlers/main.yml @@ -0,0 +1,9 @@ +--- +# handlers file for rsyslog + +- name: Restart rsyslog + ansible.builtin.service: + name: "{{ rsyslog_service }}" + state: restarted + when: + - not ansible_check_mode diff --git a/meta/main.yml b/meta/main.yml new file mode 100644 index 0000000..5bd57c0 --- /dev/null +++ b/meta/main.yml @@ -0,0 +1,39 @@ +--- +galaxy_info: + author: rst-ack + role_name: rsyslog + description: A modular approach to configuring the Rsyslog daemon. + license: GPLv3 + company: none + min_ansible_version: "2.10" + + platforms: + - name: Alpine + versions: + - all + - name: Amazon + versions: + - Candidate + - name: EL + versions: + - "8" + - name: Debian + versions: + - all + - name: Fedora + versions: + - "36" + - "37" + - name: opensuse + versions: + - all + - name: Ubuntu + versions: + - all + + galaxy_tags: + - rsyslog + - installer + - package + +dependencies: [] diff --git a/meta/preferences.yml b/meta/preferences.yml new file mode 100644 index 0000000..e7fdebf --- /dev/null +++ b/meta/preferences.yml @@ -0,0 +1,2 @@ +--- +tox_parallel: yes diff --git a/molecule/default/converge.yml b/molecule/default/converge.yml new file mode 100644 index 0000000..89c144b --- /dev/null +++ b/molecule/default/converge.yml @@ -0,0 +1,8 @@ +--- +- name: Converge + hosts: all + become: yes + gather_facts: yes + + roles: + - role: ansible-role-rsyslog diff --git a/molecule/default/molecule.yml b/molecule/default/molecule.yml new file mode 100644 index 0000000..eb5aec0 --- /dev/null +++ b/molecule/default/molecule.yml @@ -0,0 +1,27 @@ +--- +# +# Ansible managed +# +dependency: + name: galaxy + options: + role-file: requirements.yml + requirements-file: requirements.yml +lint: | + set -e + yamllint . + ansible-lint +driver: + name: docker +platforms: + - name: "rsyslog-${image:-fedora}-${tag:-latest}${TOX_ENVNAME}" + image: "${namespace:-rst-ack}/${image:-fedora}:${tag:-latest}" + command: /sbin/init + volumes: + - /sys/fs/cgroup:/sys/fs/cgroup:ro + privileged: yes + pre_build_image: yes +provisioner: + name: ansible +verifier: + name: ansible diff --git a/molecule/default/verify.yml b/molecule/default/verify.yml new file mode 100644 index 0000000..37f1090 --- /dev/null +++ b/molecule/default/verify.yml @@ -0,0 +1,9 @@ +--- +- name: Verify + hosts: all + become: yes + gather_facts: no + + tasks: + - name: check if connection still works + ansible.builtin.ping: diff --git a/requirements.txt b/requirements.txt new file mode 100644 index 0000000..9f02bbf --- /dev/null +++ b/requirements.txt @@ -0,0 +1,2 @@ +ansible>=2.10 +jinja2>=2.11.2 diff --git a/tasks/assert.yml b/tasks/assert.yml new file mode 100644 index 0000000..d4b6e2a --- /dev/null +++ b/tasks/assert.yml @@ -0,0 +1,210 @@ +--- +- name: Test if rsyslog_receiver is set correctly + ansible.builtin.assert: + that: + - rsyslog_receiver is defined + - rsyslog_receiver is boolean + quiet: yes + +- name: Test if rsyslog_remote_protocols is set correctly + ansible.builtin.assert: + that: + - rsyslog_remote_protocols is defined + - rsyslog_remote_protocols is iterable + quiet: yes + +- name: Test if rsyslog_preservefqdn is set correctly + ansible.builtin.assert: + that: + - rsyslog_preservefqdn is defined + - rsyslog_preservefqdn is boolean + quiet: yes + +- name: Test if rsyslog_dircreatemode is set correctly + ansible.builtin.assert: + that: + - rsyslog_dircreatemode is defined + - rsyslog_dircreatemode is string + quiet: yes + +- name: Test if rsyslog_filecreatemode is set correctly + ansible.builtin.assert: + that: + - rsyslog_filecreatemode is defined + - rsyslog_filecreatemode is string + quiet: yes + +- name: Test if rsyslog_fileowner is set correctly + ansible.builtin.assert: + that: + - rsyslog_fileowner is defined + - rsyslog_fileowner is string + quiet: yes + +- name: Test if rsyslog_filegroup is set correctly + ansible.builtin.assert: + that: + - rsyslog_filegroup is defined + - rsyslog_filegroup is string + quiet: yes + +- name: Test if rsyslog_dirowner is set correctly + ansible.builtin.assert: + that: + - rsyslog_dirowner is defined + - rsyslog_dirowner is string + quiet: yes + +- name: Test if rsyslog_dirgroup is set correctly + ansible.builtin.assert: + that: + - rsyslog_dirgroup is defined + - rsyslog_dirgroup is string + quiet: yes + +- name: Test if rsyslog_modules is set correctly + ansible.builtin.assert: + that: + - rsyslog_modules is defined + - rsyslog_modules is iterable + quiet: yes + +- name: Test if item in rsyslog_modules is set correctly + ansible.builtin.assert: + that: + - item is defined + - item is string + - item in [ "imuxsock", "imjournal", "imklog", "immark" ] + quiet: yes + loop: "{{ rsyslog_modules }}" + +- name: Test if rsyslog_package_state is set correctly + ansible.builtin.assert: + that: + - rsyslog_package_state is defined + - rsyslog_package_state is string + - rsyslog_package_state in [ "present", "latest" ] + quiet: yes + +- name: Test if rsyslog_max_message_size is set correctly + ansible.builtin.assert: + that: + - rsyslog_max_message_size is defined + - rsyslog_max_message_size is string + quiet: yes + +- name: Test if rsyslog_use_tls is set correctly + ansible.builtin.assert: + that: + - rsyslog_use_tls is defined + - rsyslog_use_tls is boolean + quiet: yes + +- name: Test if rsyslog_tls_ca_file is set correctly + ansible.builtin.assert: + that: + - rsyslog_tls_ca_file is defined + - rsyslog_tls_ca_file is string + quiet: yes + +- name: Test if rsyslog_tls_cert_file is set correctly + ansible.builtin.assert: + that: + - rsyslog_tls_cert_file is defined + - rsyslog_tls_cert_file is string + quiet: yes + +- name: Test if rsyslog_tls_key_file is set correctly + ansible.builtin.assert: + that: + - rsyslog_tls_key_file is defined + - rsyslog_tls_key_file is string + quiet: yes + +- name: Test if rsyslog_plugins is set correctly + ansible.builtin.assert: + that: + - rsyslog_plugins is iterable + quiet: yes + when: + - rsyslog_plugins is defined + +- name: Test if rsyslog_omit_local_logging is set correctly + ansible.builtin.assert: + that: + - rsyslog_omit_local_logging is defined + - rsyslog_omit_local_logging is boolean + quiet: yes + +- name: Test if rsyslog_queue_dir is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_dir is defined + - rsyslog_queue_dir is string + quiet: yes + +- name: Test if rsyslog_queue_filename is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_filename is defined + - rsyslog_queue_filename is string + quiet: yes + +- name: Test if rsyslog_queue_type is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_type is defined + - rsyslog_queue_type is string + - rsyslog_queue_type in [ "FixedArray", "LinkedList", "Direct", "Disk" ] + quiet: yes + +- name: Test if rsyslog_queue_size is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_size is defined + - rsyslog_queue_size is number + quiet: yes + +- name: Test if rsyslog_queue_threads is set correctly and with a sane value + ansible.builtin.assert: + that: + - rsyslog_queue_threads is defined + - rsyslog_queue_threads is number + - rsyslog_queue_threads > 0 + - rsyslog_queue_threads < 65536 + quiet: yes + +- name: Test if rsyslog_queue_min_messages is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_min_messages is defined + - rsyslog_queue_min_messages is number + quiet: yes + +- name: Test if rsyslog_queue_dequeue_batch_size is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_dequeue_batch_size is defined + - rsyslog_queue_dequeue_batch_size is number + quiet: yes + +- name: Test if rsyslog_queue_save_on_shutdown is set correctly + ansible.builtin.assert: + that: + - rsyslog_queue_save_on_shutdown is defined + - rsyslog_queue_save_on_shutdown is boolean + quiet: yes + +- name: Test if rsyslog_remote_log_save_path_template_name is set correctly + ansible.builtin.assert: + that: + - rsyslog_remote_log_save_path_template_name is defined + - rsyslog_remote_log_save_path_template_name is string + quiet: yes + +- name: Test if rsyslog_remote_log_save_path_template is set correctly + ansible.builtin.assert: + that: + - rsyslog_remote_log_save_path_template is defined + - rsyslog_remote_log_save_path_template is string + quiet: yes diff --git a/tasks/main.yml b/tasks/main.yml new file mode 100644 index 0000000..89f2628 --- /dev/null +++ b/tasks/main.yml @@ -0,0 +1,100 @@ +--- +# tasks file for rsyslog + +- name: Import assert.yml + ansible.builtin.import_tasks: assert.yml + run_once: yes + delegate_to: localhost + +- name: Uninstall conflicting systemd-logger + ansible.builtin.package: + name: systemd-logger + state: absent + +- name: Install rsyslog + ansible.builtin.package: + name: "{{ rsyslog_packages }}" + state: "{{ rsyslog_package_state }}" + +- name: Install rsyslog plugins + ansible.builtin.package: + name: "rsyslog-{{ item }}" + state: "{{ rsyslog_package_state }}" + loop: "{{ rsyslog_plugins }}" + +- name: Deploy base rsyslog config + ansible.builtin.template: + src: "rsyslog.conf.j2" + dest: "{{ rsyslog_dest_conf_file }}" + mode: "0640" + owner: "{{ rsyslog_fileowner }}" + group: "{{ rsyslog_filegroup }}" + backup: yes + notify: + - Restart rsyslog + +- name: Deploy file output configuration + ansible.builtin.template: + src: "rsyslog.d/output_file.conf.j2" + dest: "/etc/rsyslog.d/output_file.conf" + mode: "0640" + owner: "{{ rsyslog_fileowner }}" + group: "{{ rsyslog_filegroup }}" + backup: yes + notify: + - Restart rsyslog + +- name: Seed config directory + ansible.builtin.file: + name: /etc/rsyslog.d/ + state: directory + mode: "0755" + owner: "{{ rsyslog_dirowner }}" + group: "{{ rsyslog_dirgroup }}" + +- name: Deploy rsyslog forwarding configuration + ansible.builtin.template: + src: "rsyslog.d/forward_syslog_{{ item.key }}.conf.j2" + dest: "/etc/rsyslog.d/forward_syslog_{{ item.key }}.conf" + mode: "0644" + owner: "{{ rsyslog_dirowner }}" + group: "{{ rsyslog_dirgroup }}" + backup: yes + loop: "{{ rsyslog_remote_protocols|dict2items }}" + when: rsyslog_remote_server is defined + notify: + - Restart rsyslog + +- name: Deploy rsyslog receive rule(s) + ansible.builtin.template: + src: "rsyslog.d/input_syslog_{{ item.key }}.conf.j2" + dest: "/etc/rsyslog.d/input_syslog_{{ item.key }}.conf" + mode: "0644" + owner: "{{ rsyslog_dirowner }}" + group: "{{ rsyslog_dirgroup }}" + backup: yes + loop: "{{ rsyslog_remote_protocols|dict2items }}" + when: rsyslog_receiver + notify: + - Restart rsyslog + +- name: Deploy custom configuration files + ansible.builtin.copy: + content: "{{ item.value.content | default('') }}" + dest: "/etc/rsyslog.d/{{ item.key }}.conf" + validate: "{{ 'rsyslogd -N1 -f %s' if item.value.validate | default(false) else 'true %s' }}" + owner: "{{ rsyslog_dirowner }}" + group: "{{ rsyslog_dirgroup }}" + mode: "0640" + backup: yes + loop: "{{ rsyslog_custom_configs|dict2items }}" + when: + - item.value.state | default('present') == 'present' + notify: + - Restart rsyslog + +- name: Start and enable rsyslog + ansible.builtin.service: + name: "{{ rsyslog_service }}" + state: started + enabled: yes diff --git a/templates/rsyslog.conf.j2 b/templates/rsyslog.conf.j2 new file mode 100644 index 0000000..3d95793 --- /dev/null +++ b/templates/rsyslog.conf.j2 @@ -0,0 +1,112 @@ +{{ ansible_managed | comment }} +# +# /etc/rsyslog.conf - global configuration file +# + +# +# Global settings +# --------------- +# +global( + # Set a liberal umask here - to be overriden in output actions + umask="0000" + + # Working directory - temp/state files are stored here + workDirectory="{{ rsyslog_work_directory }}" + + # Truncate messages after 4kb + maxMessageSize="{{ rsyslog_max_message_size }}" + + # Keep the domain in the source hostname? + preserveFQDN="{{ 'on' if rsyslog_preservefqdn else 'off' }}" + + {% if rsyslog_local_hostname is defined %} + # Set the hostname you want to use for this system + localHostname="{{ rsyslog_local_hostname }}" + {% endif %} + + {% if rsyslog_use_tls %} + # TLS + defaultNetstreamDriver="gtls" + defaultNetstreamDriverCAFile="{{ rsyslog_tls_ca_file }}" + defaultNetstreamDriverCertFile="{{ rsyslog_tls_cert_file }}" + defaultNetstreamDriverKeyFile="{{ rsyslog_tls_key_file }}" + {% endif %} +) + +# +# Built-in modules +# ---------------- +# Explicitly load builtin modules for completeness. +# +module( + load="builtin:omfwd" +) + +module( + load="builtin:omfile" +) + +module( + load="builtin:ompipe" +) + +main_queue( + + # queue spool directory, must already exist + queue.spoolDirectory="{{ rsyslog_queue_dir }}" + queue.filename="{{ rsyslog_queue_filename }}" + + # define queue type (in-memory only) + queue.type="{{ rsyslog_queue_type }}" + + queue.size="{{ rsyslog_queue_size }}" + + # queue management + queue.workerthreads="{{ rsyslog_queue_threads }}" # out-of-order delivery when > 1 + queue.workerthreadminimummessages="{{ rsyslog_queue_min_messages }}" # start a thread for every X messages in q + queue.dequeuebatchsize="{{ rsyslog_queue_dequeue_batch_size }}" + + # save log on exit + queue.saveonshutdown="{{ 'on' if rsyslog_queue_save_on_shutdown else 'off' }}" + +) + +{% if 'imjournal' in rsyslog_modules %} +# +# This input module reads from systemd's journal +# +module( + load="imjournal" + PersistStateInterval="50" + StateFile="/var/lib/rsyslog/imjournal.state" +) +{% endif %} + +{% if 'imuxsock' in rsyslog_modules %} +# +# This module reads from the traditional syslog socket. +# +module( + load="imuxsock" + {{ SysSock.Use="off"' if not rsyslog_imuxsock_syssock else SysSock.Use="on" }} + SysSock.Name="/dev/log" +) +{% endif %} + +{% if rsyslog_receiver %} +{%- for key, value in rsyslog_remote_protocols | dictsort %} +$IncludeConfig /etc/rsyslog.d/input_syslog_{{ key }}.conf +{% endfor %} +{% endif %} +$IncludeConfig /etc/rsyslog.d/output_file.conf +{% if rsyslog_remote_server is defined %} +{%- for key, value in rsyslog_remote_protocols | dictsort %} +$IncludeConfig /etc/rsyslog.d/forward_syslog_{{ key }}.conf +{% endfor %} +{% endif %} +{% if rsyslog_custom_configs is defined %} +{%- for key, value in rsyslog_custom_configs | dictsort %} +$Include /etc/rsyslog.d/{{ key }}.conf +{% endfor %} +{% endif %} \ No newline at end of file diff --git a/templates/rsyslog.d/forward_syslog_tcp.conf.j2 b/templates/rsyslog.d/forward_syslog_tcp.conf.j2 new file mode 100644 index 0000000..b5966ea --- /dev/null +++ b/templates/rsyslog.d/forward_syslog_tcp.conf.j2 @@ -0,0 +1,11 @@ +{{ ansible_managed | comment }} +# +# This configuration enables forwarding syslog over TCP. +# +action( + type="omfwd" + target="{{ rsyslog_remote_server }}" + port="{{ rsyslog_remote_protocols['tcp'] }}" + protocol="tcp" + StreamDriverMode="0" +) \ No newline at end of file diff --git a/templates/rsyslog.d/input_syslog_tcp.conf.j2 b/templates/rsyslog.d/input_syslog_tcp.conf.j2 new file mode 100644 index 0000000..ba51433 --- /dev/null +++ b/templates/rsyslog.d/input_syslog_tcp.conf.j2 @@ -0,0 +1,20 @@ +{{ ansible_managed | comment }} +# +# This configuration enables to capability to receive syslog on TCP. +# + +# +# Load the TCP input module +# +module( + load="imptcp" + Threads="2" +) + +# +# Input +# +input( + type="imptcp" + port="{{ rsyslog_remote_protocols['tcp'] }}" +) \ No newline at end of file diff --git a/templates/rsyslog.d/output_file.conf.j2 b/templates/rsyslog.d/output_file.conf.j2 new file mode 100644 index 0000000..c8bfa3e --- /dev/null +++ b/templates/rsyslog.d/output_file.conf.j2 @@ -0,0 +1,50 @@ +{{ ansible_managed | comment }} +# +# This output configuration writes log to several log files. +# Logs are grouped based on facility, consistent with default log files for CentOS/RHEL. +# + +# +# Actions +# + +{% if rsyslog_receiver %} +template( + name="{{ rsyslog_remote_log_save_path_template_name }}" + type="string" + string="{{ rsyslog_remote_log_save_path_template }}" +) + +ruleset(name="writeToFile") { + action( + type="omfile" + FileOwner="{{ rsyslog_fileowner }}" + FileGroup="{{ rsyslog_filegroup }}" + dirOwner="{{ rsyslog_dirowner }}" + dirGroup="{{ rsyslog_dirgroup }}" + FileCreateMode="{{ rsyslog_filecreatemode }}" + DirCreateMode="{{ rsyslog_dircreatemode}}" + dynaFile="{{ rsyslog_remote_log_save_path_template_name }}" + ) +} + +{% for item in rsyslog_file_output_rules %} +{{ item.rule }} { + set $.logpath = "{{ item.logfile }}"; + call writeToFile +} +{% endfor %} + +{% else %} + +{% for item in rsyslog_file_output_rules %} +{{ item.rule }} action( + type="omfile" + fileCreateMode="{{ rsyslog_filecreatemode }}" + fileOwner="{{ rsyslog_fileowner }}" + fileGroup="{{ rsyslog_filegroup }}" + File="{{ item.logfile }}" +) +{% endfor %} + +{% endif %} diff --git a/tox.ini b/tox.ini new file mode 100644 index 0000000..17e4d37 --- /dev/null +++ b/tox.ini @@ -0,0 +1,29 @@ +# +# Ansible managed +# +[tox] +minversion = 4.2.4 +envlist = py{310}-ansible{5,6,7} + +skipsdist = true + +[testenv] +deps = + ansible5: ansible == 5.* + ansible6: ansible == 6.* + ansible7: ansible == 7.* + molecule[docker] + docker == 6.* + ansible-lint == 6.* +commands = molecule test +setenv = + TOX_ENVNAME={envname} + PY_COLORS=1 + ANSIBLE_FORCE_COLOR=1 + ANSIBLE_ROLES_PATH=../ + +passenv = + namespace + image + tag + DOCKER_HOST diff --git a/vars/main.yml b/vars/main.yml new file mode 100644 index 0000000..2b11a85 --- /dev/null +++ b/vars/main.yml @@ -0,0 +1,13 @@ +--- +# vars file for rsyslog + +rsyslog_packages: + - rsyslog + +rsyslog_service: rsyslog + +_rsyslog_work_directory: + default: /var/lib/rsyslog + Debian: /var/spool/rsyslog + +rsyslog_work_directory: "{{ _rsyslog_work_directory[ansible_os_family] | default(_rsyslog_work_directory['default']) }}"