forked from bn222/cluster-deployment-automation
-
Notifications
You must be signed in to change notification settings - Fork 0
/
imageRegistry.py
144 lines (119 loc) · 5.25 KB
/
imageRegistry.py
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
import json
import shlex
import os
import host
import k8sClient
from logger import logger
CONTAINER_NAME = "local-container-registry"
class ImageRegistry:
def __init__(self, rsh: host.Host, listen_port: int = 5000) -> None:
self.rsh = rsh
ret = self.rsh.run("hostname -f")
h = ret.out.strip()
if not ret.success() or not h:
raise RuntimeError("Failure to get hostname")
self.hostname = h
self.listen_port = listen_port
self._registry_base_directory = self.rsh.home_dir(".local-container-registry")
def certificate_path(self) -> str:
return os.path.join(self._registry_base_directory, "certs")
def start_image_registry(self, client: k8sClient.K8sClient) -> str:
self.ensure_running()
self.ocp_trust(client)
return self.url()
def url(self) -> str:
return f"{self.hostname}:{self.listen_port}"
def ensure_running(self, *, delete_all: bool = False) -> tuple[str, int]:
dir_name = self._registry_base_directory
ret = self.rsh.run(shlex.join(["podman", "inspect", CONTAINER_NAME, "--format", "{{.Id}}"]))
if ret.success() and self.rsh.run(shlex.join(['test', '-d', dir_name])).success():
if not delete_all:
return dir_name, self.listen_port
self._delete_all()
dir_name_certs = os.path.join(dir_name, "certs")
dir_name_data = os.path.join(dir_name, "data")
dir_name_auth = os.path.join(dir_name, "auth")
self.rsh.run(shlex.join(["mkdir", "-p", dir_name]))
self.rsh.run(shlex.join(["mkdir", "-p", dir_name_certs]))
self.rsh.run(shlex.join(["mkdir", "-p", dir_name_data]))
self.rsh.run(shlex.join(["mkdir", "-p", dir_name_auth]))
self.rsh.run_or_die(
shlex.join(
[
"openssl",
"req",
"-newkey",
"rsa:4096",
"-nodes",
"-sha256",
"-keyout",
os.path.join(dir_name_certs, "domain.key"),
"-x509",
"-days",
"365",
"-out",
os.path.join(dir_name_certs, "domain.crt"),
"-subj",
f"/CN={self.hostname}",
"-addext",
f"subjectAltName = DNS:{self.hostname}",
]
)
)
# We need both domain.crt and domain.cert for `podman push --cert-dir` to work.
self.rsh.run(shlex.join(["ln", "-snf", "domain.crt", os.path.join(dir_name_certs, "domain.cert")]))
ret = self.rsh.run_or_die(
shlex.join(
[
"podman",
"run",
"--name",
CONTAINER_NAME,
"-p",
f"{self.listen_port}:5000",
"-v",
f"{dir_name_data}:/var/lib/registry:z",
"-v",
f"{dir_name_auth}:/auth:z",
"-v",
f"{dir_name_certs}:/certs:z",
"-e",
"REGISTRY_HTTP_TLS_CERTIFICATE=/certs/domain.crt",
"-e",
"REGISTRY_HTTP_TLS_KEY=/certs/domain.key",
"-e",
"REGISTRY_COMPATIBILITY_SCHEMA1_ENABLED=true",
f"--annotation=LOCAL_CONTAINER_REGISTRY_HOSTNAME={self.hostname}",
"-d",
"docker.io/library/registry:latest",
]
)
)
return dir_name, self.listen_port
def _delete_all(self) -> None:
self.rsh.run(shlex.join(["podman", "rm", "-f", CONTAINER_NAME]))
self.rsh.run(shlex.join(["rm", "-rf", self._registry_base_directory]))
def delete_all(self) -> None:
self._delete_all()
def trust(self, other: host.Host) -> None:
cert_dir = self.certificate_path()
files = os.listdir(cert_dir)
logger.info(f"trusting files in {cert_dir} and placing them on {other.hostname()}")
for file in files:
self.rsh.copy_from(f"{cert_dir}/{file}", f"/tmp/{file}")
other.copy_to(f"/tmp/{file}", f"/etc/pki/ca-trust/source/anchors/{file}-{self.rsh.hostname()}")
other.run_or_die("update-ca-trust")
def self_trust(self) -> None:
self.trust(self.rsh)
def ocp_trust(self, client: k8sClient.K8sClient) -> None:
cm_name = f"local-container-registry-{self.hostname}"
crt_file = os.path.join(self._registry_base_directory, 'certs/domain.crt')
crt_file = self.rsh.read_file(crt_file)
lh = host.LocalHost()
lh.write("/tmp/crt", crt_file)
logger.info(f"trusting registry running on {self.rsh.hostname()} in ocp with file /tmp/crt")
client.oc(f"delete cm -n openshift-config {shlex.quote(cm_name)}")
client.oc(f"create cm -n openshift-config {cm_name} --from-file={self.hostname}..{self.listen_port}=/tmp/crt")
lh.remove("/tmp/crt")
data = {"spec": {"additionalTrustedCA": {"name": cm_name}}}
client.oc(f"patch image.config.openshift.io/cluster --patch {shlex.quote(json.dumps(data))} --type=merge")