# pylint: disable=E0213
+import base64
import logging
-from typing import NoReturn
+from typing import NoReturn, Optional
-from ops.main import main
+from charms.kafka_k8s.v0.kafka import KafkaEvents, KafkaRequires
+from ops.main import main
from opslib.osm.charm import CharmedOsmBase, RelationsMissing
-
+from opslib.osm.interfaces.keystone import KeystoneClient
+from opslib.osm.interfaces.mongo import MongoClient
+from opslib.osm.interfaces.prometheus import PrometheusClient
from opslib.osm.pod import (
ContainerV3Builder,
+ FilesV3Builder,
+ PodRestartPolicy,
PodSpecV3Builder,
)
-
-from opslib.osm.validator import (
- ModelValidator,
- validator,
-)
-
-from opslib.osm.interfaces.kafka import KafkaClient
-from opslib.osm.interfaces.mongo import MongoClient
-from opslib.osm.interfaces.prometheus import PrometheusClient
-from opslib.osm.interfaces.keystone import KeystoneClient
+from opslib.osm.validator import ModelValidator, validator
logger = logging.getLogger(__name__)
PORT = 8000
+def _check_certificate_data(name: str, content: str):
+ if not name or not content:
+ raise ValueError("certificate name and content must be a non-empty string")
+
+
+def _extract_certificates(certs_config: str):
+ certificates = {}
+ if certs_config:
+ cert_list = certs_config.split(",")
+ for cert in cert_list:
+ name, content = cert.split(":")
+ _check_certificate_data(name, content)
+ certificates[name] = content
+ return certificates
+
+
+def decode(content: str):
+ return base64.b64decode(content.encode("utf-8")).decode("utf-8")
+
+
class ConfigModel(ModelValidator):
keystone_enabled: bool
vca_host: str
vca_user: str
- vca_password: str
+ vca_secret: str
vca_cacert: str
database_commonkey: str
+ mongodb_uri: Optional[str]
log_level: str
openstack_default_granularity: int
global_request_timeout: int
grafana_url: str
grafana_user: str
grafana_password: str
+ certificates: Optional[str]
+ image_pull_policy: str
+ debug_mode: bool
+ security_context: bool
@validator("log_level")
def validate_log_level(cls, v):
raise ValueError("value must be INFO or DEBUG")
return v
+ @validator("certificates")
+ def validate_certificates(cls, v):
+ # Raises an exception if it cannot extract the certificates
+ _extract_certificates(v)
+ return v
+
+ @validator("mongodb_uri")
+ def validate_mongodb_uri(cls, v):
+ if v and not v.startswith("mongodb://"):
+ raise ValueError("mongodb_uri is not properly formed")
+ return v
+
+ @validator("image_pull_policy")
+ def validate_image_pull_policy(cls, v):
+ values = {
+ "always": "Always",
+ "ifnotpresent": "IfNotPresent",
+ "never": "Never",
+ }
+ v = v.lower()
+ if v not in values.keys():
+ raise ValueError("value must be always, ifnotpresent or never")
+ return values[v]
+
+ @property
+ def certificates_dict(cls):
+ return _extract_certificates(cls.certificates) if cls.certificates else {}
+
class MonCharm(CharmedOsmBase):
- def __init__(self, *args) -> NoReturn:
- super().__init__(*args, oci_image="image")
- self.kafka_client = KafkaClient(self, "kafka")
- self.framework.observe(self.on["kafka"].relation_changed, self.configure_pod)
- self.framework.observe(self.on["kafka"].relation_broken, self.configure_pod)
+ on = KafkaEvents()
+
+ def __init__(self, *args) -> NoReturn:
+ super().__init__(
+ *args,
+ oci_image="image",
+ vscode_workspace=VSCODE_WORKSPACE,
+ )
+ if self.config.get("debug_mode"):
+ self.enable_debug_mode(
+ pubkey=self.config.get("debug_pubkey"),
+ hostpaths={
+ "MON": {
+ "hostpath": self.config.get("debug_mon_local_path"),
+ "container-path": "/usr/lib/python3/dist-packages/osm_mon",
+ },
+ "N2VC": {
+ "hostpath": self.config.get("debug_n2vc_local_path"),
+ "container-path": "/usr/lib/python3/dist-packages/n2vc",
+ },
+ "osm_common": {
+ "hostpath": self.config.get("debug_common_local_path"),
+ "container-path": "/usr/lib/python3/dist-packages/osm_common",
+ },
+ },
+ )
+ self.kafka = KafkaRequires(self)
+ self.framework.observe(self.on.kafka_available, self.configure_pod)
+ self.framework.observe(self.on.kafka_broken, self.configure_pod)
self.mongodb_client = MongoClient(self, "mongodb")
self.framework.observe(self.on["mongodb"].relation_changed, self.configure_pod)
def _check_missing_dependencies(self, config: ConfigModel):
missing_relations = []
- if self.kafka_client.is_missing_data_in_unit():
+ if not self.kafka.host or not self.kafka.port:
missing_relations.append("kafka")
- if self.mongodb_client.is_missing_data_in_unit():
+ if not config.mongodb_uri and self.mongodb_client.is_missing_data_in_unit():
missing_relations.append("mongodb")
if self.prometheus_client.is_missing_data_in_app():
missing_relations.append("prometheus")
if missing_relations:
raise RelationsMissing(missing_relations)
+ def _build_cert_files(
+ self,
+ config: ConfigModel,
+ ):
+ cert_files_builder = FilesV3Builder()
+ for name, content in config.certificates_dict.items():
+ cert_files_builder.add_file(name, decode(content), mode=0o600)
+ return cert_files_builder.build()
+
def build_pod_spec(self, image_info):
# Validate config
config = ConfigModel(**dict(self.config))
+
+ if config.mongodb_uri and not self.mongodb_client.is_missing_data_in_unit():
+ raise Exception("Mongodb data cannot be provided via config and relation")
+
# Check relations
self._check_missing_dependencies(config)
+
+ security_context_enabled = (
+ config.security_context if not config.debug_mode else False
+ )
+
# Create Builder for the PodSpec
- pod_spec_builder = PodSpecV3Builder()
+ pod_spec_builder = PodSpecV3Builder(
+ enable_security_context=security_context_enabled
+ )
+
+ # Add secrets to the pod
+ mongodb_secret_name = f"{self.app.name}-mongodb-secret"
+ pod_spec_builder.add_secret(
+ mongodb_secret_name,
+ {
+ "uri": config.mongodb_uri or self.mongodb_client.connection_string,
+ "commonkey": config.database_commonkey,
+ },
+ )
+ grafana_secret_name = f"{self.app.name}-grafana-secret"
+ pod_spec_builder.add_secret(
+ grafana_secret_name,
+ {
+ "url": config.grafana_url,
+ "user": config.grafana_user,
+ "password": config.grafana_password,
+ },
+ )
+
+ vca_secret_name = f"{self.app.name}-vca-secret"
+ pod_spec_builder.add_secret(
+ vca_secret_name,
+ {
+ "host": config.vca_host,
+ "user": config.vca_user,
+ "secret": config.vca_secret,
+ "cacert": config.vca_cacert,
+ },
+ )
+
# Build Container
- container_builder = ContainerV3Builder(self.app.name, image_info)
+ container_builder = ContainerV3Builder(
+ self.app.name,
+ image_info,
+ config.image_pull_policy,
+ run_as_non_root=security_context_enabled,
+ )
+ certs_files = self._build_cert_files(config)
+
+ if certs_files:
+ container_builder.add_volume_config("certs", "/certs", certs_files)
+
container_builder.add_port(name=self.app.name, port=PORT)
container_builder.add_envs(
{
"OSMMON_EVALUATOR_INTERVAL": config.evaluator_interval,
# Kafka configuration
"OSMMON_MESSAGE_DRIVER": "kafka",
- "OSMMON_MESSAGE_HOST": self.kafka_client.host,
- "OSMMON_MESSAGE_PORT": self.kafka_client.port,
+ "OSMMON_MESSAGE_HOST": self.kafka.host,
+ "OSMMON_MESSAGE_PORT": self.kafka.port,
# Database configuration
"OSMMON_DATABASE_DRIVER": "mongo",
- "OSMMON_DATABASE_URI": self.mongodb_client.connection_string,
- "OSMMON_DATABASE_COMMONKEY": config.database_commonkey,
# Prometheus configuration
"OSMMON_PROMETHEUS_URL": f"http://{self.prometheus_client.hostname}:{self.prometheus_client.port}",
- # VCA configuration
- "OSMMON_VCA_HOST": config.vca_host,
- "OSMMON_VCA_USER": config.vca_user,
- "OSMMON_VCA_SECRET": config.vca_password,
- "OSMMON_VCA_CACERT": config.vca_cacert,
- "OSMMON_GRAFANA_URL": config.grafana_url,
- "OSMMON_GRAFANA_USER": config.grafana_user,
- "OSMMON_GRAFANA_PASSWORD": config.grafana_password,
}
)
- if config.keystone_enabled:
+ prometheus_user = self.prometheus_client.user
+ prometheus_password = self.prometheus_client.password
+ if prometheus_user and prometheus_password:
container_builder.add_envs(
{
- "OSMMON_KEYSTONE_ENABLED": True,
- "OSMMON_KEYSTONE_URL": self.keystone_client.host,
- "OSMMON_KEYSTONE_DOMAIN_NAME": self.keystone_client.user_domain_name,
- "OSMMON_KEYSTONE_PROJECT_DOMAIN_NAME": self.keystone_client.project_domain_name,
- "OSMMON_KEYSTONE_SERVICE_USER": self.keystone_client.username,
- "OSMMON_KEYSTONE_SERVICE_PASSWORD": self.keystone_client.password,
- "OSMMON_KEYSTONE_SERVICE_PROJECT": self.keystone_client.service,
+ "OSMMON_PROMETHEUS_USER": prometheus_user,
+ "OSMMON_PROMETHEUS_PASSWORD": prometheus_password,
}
)
-
+ container_builder.add_secret_envs(
+ secret_name=mongodb_secret_name,
+ envs={
+ "OSMMON_DATABASE_URI": "uri",
+ "OSMMON_DATABASE_COMMONKEY": "commonkey",
+ },
+ )
+ container_builder.add_secret_envs(
+ secret_name=vca_secret_name,
+ envs={
+ "OSMMON_VCA_HOST": "host",
+ "OSMMON_VCA_USER": "user",
+ "OSMMON_VCA_SECRET": "secret",
+ "OSMMON_VCA_CACERT": "cacert",
+ },
+ )
+ container_builder.add_secret_envs(
+ secret_name=grafana_secret_name,
+ envs={
+ "OSMMON_GRAFANA_URL": "url",
+ "OSMMON_GRAFANA_USER": "user",
+ "OSMMON_GRAFANA_PASSWORD": "password",
+ },
+ )
+ if config.keystone_enabled:
+ keystone_secret_name = f"{self.app.name}-keystone-secret"
+ pod_spec_builder.add_secret(
+ keystone_secret_name,
+ {
+ "url": self.keystone_client.host,
+ "user_domain": self.keystone_client.user_domain_name,
+ "project_domain": self.keystone_client.project_domain_name,
+ "service_username": self.keystone_client.username,
+ "service_password": self.keystone_client.password,
+ "service_project": self.keystone_client.service,
+ },
+ )
+ container_builder.add_env("OSMMON_KEYSTONE_ENABLED", True)
+ container_builder.add_secret_envs(
+ secret_name=keystone_secret_name,
+ envs={
+ "OSMMON_KEYSTONE_URL": "url",
+ "OSMMON_KEYSTONE_DOMAIN_NAME": "user_domain",
+ "OSMMON_KEYSTONE_PROJECT_DOMAIN_NAME": "project_domain",
+ "OSMMON_KEYSTONE_SERVICE_USER": "service_username",
+ "OSMMON_KEYSTONE_SERVICE_PASSWORD": "service_password",
+ "OSMMON_KEYSTONE_SERVICE_PROJECT": "service_project",
+ },
+ )
container = container_builder.build()
+
+ # Add restart policy
+ restart_policy = PodRestartPolicy()
+ restart_policy.add_secrets()
+ pod_spec_builder.set_restart_policy(restart_policy)
+
# Add container to pod spec
pod_spec_builder.add_container(container)
+
return pod_spec_builder.build()
+VSCODE_WORKSPACE = {
+ "folders": [
+ {"path": "/usr/lib/python3/dist-packages/osm_mon"},
+ {"path": "/usr/lib/python3/dist-packages/osm_common"},
+ {"path": "/usr/lib/python3/dist-packages/n2vc"},
+ ],
+ "settings": {},
+ "launch": {
+ "version": "0.2.0",
+ "configurations": [
+ {
+ "name": "MON Server",
+ "type": "python",
+ "request": "launch",
+ "module": "osm_mon.cmd.mon_server",
+ "justMyCode": False,
+ },
+ {
+ "name": "MON evaluator",
+ "type": "python",
+ "request": "launch",
+ "module": "osm_mon.cmd.mon_evaluator",
+ "justMyCode": False,
+ },
+ {
+ "name": "MON collector",
+ "type": "python",
+ "request": "launch",
+ "module": "osm_mon.cmd.mon_collector",
+ "justMyCode": False,
+ },
+ {
+ "name": "MON dashboarder",
+ "type": "python",
+ "request": "launch",
+ "module": "osm_mon.cmd.mon_dashboarder",
+ "justMyCode": False,
+ },
+ ],
+ },
+}
if __name__ == "__main__":
main(MonCharm)