#!/usr/bin/env python3
-# Copyright 2020 Canonical Ltd.
+# Copyright 2021 Canonical Ltd.
#
-# 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
+# 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
+# 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.
+# 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.
+#
+# For those usages not covered by the Apache License, Version 2.0 please
+# contact: legal@canonical.com
+#
+# To get in touch with the maintainers, please contact:
+# osm-charmers@lists.launchpad.net
+##
+
+# pylint: disable=E0213
+
import json
import logging
+from cryptography.fernet import Fernet
from datetime import datetime
-from typing import (
- Any,
- Dict,
- List,
- NoReturn,
- Tuple,
-)
+from typing import Optional, NoReturn, List, Tuple
+from ipaddress import ip_network
from urllib.parse import urlparse
-from cryptography.fernet import Fernet
-
-from ops.charm import CharmBase, EventBase, CharmEvents
-from ops.framework import StoredState, EventSource
from ops.main import main
-from ops.model import (
- ActiveStatus,
- BlockedStatus,
- # MaintenanceStatus,
- WaitingStatus,
- # ModelError,
+
+from opslib.osm.charm import CharmedOsmBase, RelationsMissing
+
+from opslib.osm.pod import (
+ ContainerV3Builder,
+ PodSpecV3Builder,
+ FilesV3Builder,
+ IngressResourceV3Builder,
)
-LOGGER = logging.getLogger(__name__)
+
+from opslib.osm.validator import (
+ ModelValidator,
+ validator,
+)
+
+from opslib.osm.interfaces.mysql import MysqlClient
+from opslib.osm.interfaces.keystone import KeystoneServer
+
+
+logger = logging.getLogger(__name__)
+
REQUIRED_SETTINGS = ["token_expiration"]
DATABASE_NAME = "keystone"
# We expect the keystone container to use the default port
-KEYSTONE_PORT = 5000
+PORT = 5000
# Number of keys need might need to be adjusted in the future
NUMBER_FERNET_KEYS = 2
FERNET_KEYS_PATH = "/etc/keystone/fernet-keys"
-class ConfigurePodEvent(EventBase):
- """Configure Pod event"""
-
- pass
-
-
-class KeystoneEvents(CharmEvents):
- """Keystone Events"""
-
- configure_pod = EventSource(ConfigurePodEvent)
-
-
-class KeystoneCharm(CharmBase):
- """Keystone K8s Charm"""
-
- state = StoredState()
- on = KeystoneEvents()
-
+class ConfigModel(ModelValidator):
+ region_id: str
+ keystone_db_password: str
+ admin_username: str
+ admin_password: str
+ admin_project: str
+ service_username: str
+ service_password: str
+ service_project: str
+ user_domain_name: str
+ project_domain_name: str
+ token_expiration: int
+ max_file_size: int
+ site_url: Optional[str]
+ ingress_whitelist_source_range: Optional[str]
+ tls_secret_name: Optional[str]
+
+ @validator("max_file_size")
+ def validate_max_file_size(cls, v):
+ if v < 0:
+ raise ValueError("value must be equal or greater than 0")
+ return v
+
+ @validator("site_url")
+ def validate_site_url(cls, v):
+ if v:
+ parsed = urlparse(v)
+ if not parsed.scheme.startswith("http"):
+ raise ValueError("value must start with http")
+ return v
+
+ @validator("ingress_whitelist_source_range")
+ def validate_ingress_whitelist_source_range(cls, v):
+ if v:
+ ip_network(v)
+ return v
+
+
+class ConfigLdapModel(ModelValidator):
+ ldap_enabled: bool
+ ldap_authentication_domain_name: Optional[str]
+ ldap_url: Optional[str]
+ ldap_bind_user: Optional[str]
+ ldap_bind_password: Optional[str]
+ ldap_chase_referrals: Optional[str]
+ ldap_page_size: Optional[int]
+ ldap_user_tree_dn: Optional[str]
+ ldap_user_objectclass: Optional[str]
+ ldap_user_id_attribute: Optional[str]
+ ldap_user_name_attribute: Optional[str]
+ ldap_user_pass_attribute: Optional[str]
+ ldap_user_filter: Optional[str]
+ ldap_user_enabled_attribute: Optional[str]
+ ldap_user_enabled_mask: Optional[int]
+ ldap_user_enabled_default: Optional[bool]
+ ldap_user_enabled_invert: Optional[bool]
+ ldap_group_objectclass: Optional[str]
+ ldap_group_tree_dn: Optional[str]
+ ldap_use_starttls: Optional[bool]
+ ldap_tls_cacert_base64: Optional[str]
+ ldap_tls_req_cert: Optional[str]
+
+
+class KeystoneCharm(CharmedOsmBase):
def __init__(self, *args) -> NoReturn:
- """Constructor of the Charm object.
- Initializes internal state and register events it can handle.
- """
- super().__init__(*args)
- self.state.set_default(db_host=None)
- self.state.set_default(db_port=None)
- self.state.set_default(db_user=None)
- self.state.set_default(db_password=None)
- self.state.set_default(pod_spec=None)
+ super().__init__(*args, oci_image="image")
self.state.set_default(fernet_keys=None)
self.state.set_default(credential_keys=None)
self.state.set_default(keys_timestamp=0)
- # Register all of the events we want to observe
- self.framework.observe(self.on.config_changed, self.configure_pod)
- self.framework.observe(self.on.start, self.configure_pod)
- self.framework.observe(self.on.upgrade_charm, self.configure_pod)
- self.framework.observe(self.on.leader_elected, self.configure_pod)
- self.framework.observe(self.on.update_status, self.configure_pod)
-
- # Registering custom internal events
- self.framework.observe(self.on.configure_pod, self.configure_pod)
+ self.keystone_server = KeystoneServer(self, "keystone")
+ self.mysql_client = MysqlClient(self, "db")
+ self.framework.observe(self.on["db"].relation_changed, self.configure_pod)
+ self.framework.observe(self.on["db"].relation_broken, self.configure_pod)
- # Register relation events
- self.framework.observe(
- self.on.db_relation_changed, self._on_db_relation_changed
- )
- self.framework.observe(
- self.on.db_relation_departed, self._on_db_relation_departed
- )
self.framework.observe(
- self.on.keystone_relation_joined, self._publish_keystone_info
+ self.on["keystone"].relation_joined, self._publish_keystone_info
)
- def _publish_keystone_info(self, event: EventBase) -> NoReturn:
- """Publishes keystone information for NBI usage through the keystone
- relation.
-
- Args:
- event (EventBase): Keystone relation event to update NBI.
- """
- config = self.model.config
- rel_data = {
- "host": f"http://{self.app.name}:{KEYSTONE_PORT}/v3",
- "port": str(KEYSTONE_PORT),
- "keystone_db_password": config["keystone_db_password"],
- "region_id": config["region_id"],
- "user_domain_name": config["user_domain_name"],
- "project_domain_name": config["project_domain_name"],
- "admin_username": config["admin_username"],
- "admin_password": config["admin_password"],
- "admin_project_name": config["admin_project"],
- "username": config["service_username"],
- "password": config["service_password"],
- "service": config["service_project"],
- }
- for k, v in rel_data.items():
- event.relation.data[self.model.unit][k] = v
-
- def _on_db_relation_changed(self, event: EventBase) -> NoReturn:
- """Reads information about the DB relation, in order for keystone to
- access it.
-
- Args:
- event (EventBase): DB relation event to access database
- information.
- """
- if event.unit not in event.relation.data:
- return
- relation_data = event.relation.data[event.unit]
- db_host = relation_data.get("host")
- db_port = int(relation_data.get("port", 3306))
- db_user = "root"
- db_password = relation_data.get("root_password")
-
- if (
- db_host
- and db_port
- and db_user
- and db_password
- and (
- self.state.db_host != db_host
- or self.state.db_port != db_port
- or self.state.db_user != db_user
- or self.state.db_password != db_password
+ def _publish_keystone_info(self, event):
+ if self.unit.is_leader():
+ config = ConfigModel(**dict(self.config))
+ self.keystone_server.publish_info(
+ host=f"http://{self.app.name}:{PORT}/v3",
+ port=PORT,
+ user_domain_name=config.user_domain_name,
+ project_domain_name=config.project_domain_name,
+ username=config.service_username,
+ password=config.service_password,
+ service=config.service_project,
+ keystone_db_password=config.keystone_db_password,
+ region_id=config.region_id,
+ admin_username=config.admin_username,
+ admin_password=config.admin_password,
+ admin_project_name=config.admin_project,
)
- ):
- self.state.db_host = db_host
- self.state.db_port = db_port
- self.state.db_user = db_user
- self.state.db_password = db_password
- self.on.configure_pod.emit()
-
- def _on_db_relation_departed(self, event: EventBase) -> NoReturn:
- """Clears data from db relation.
-
- Args:
- event (EventBase): DB relation event.
-
- """
- self.state.db_host = None
- self.state.db_port = None
- self.state.db_user = None
- self.state.db_password = None
- self.on.configure_pod.emit()
-
- def _check_settings(self) -> str:
- """Check if there any settings missing from Keystone configuration.
-
- Returns:
- str: Information about the problems found (if any).
- """
- problems = []
- config = self.model.config
- for setting in REQUIRED_SETTINGS:
- if not config.get(setting):
- problem = f"missing config {setting}"
- problems.append(problem)
-
- return ";".join(problems)
-
- def _make_pod_image_details(self) -> Dict[str, str]:
- """Generate the pod image details.
-
- Returns:
- Dict[str, str]: pod image details.
- """
- config = self.model.config
- image_details = {
- "imagePath": config["image"],
- }
- if config["image_username"]:
- image_details.update(
- {
- "username": config["image_username"],
- "password": config["image_password"],
- }
- )
- return image_details
-
- def _make_pod_ports(self) -> List[Dict[str, Any]]:
- """Generate the pod ports details.
-
- Returns:
- List[Dict[str, Any]]: pod ports details.
- """
- return [
- {"name": "keystone", "containerPort": KEYSTONE_PORT, "protocol": "TCP"},
- ]
-
- def _make_pod_envconfig(self) -> Dict[str, Any]:
- """Generate pod environment configuraiton.
-
- Returns:
- Dict[str, Any]: pod environment configuration.
- """
- config = self.model.config
-
- envconfig = {
- "DB_HOST": self.state.db_host,
- "DB_PORT": self.state.db_port,
- "ROOT_DB_USER": self.state.db_user,
- "ROOT_DB_PASSWORD": self.state.db_password,
- "KEYSTONE_DB_PASSWORD": config["keystone_db_password"],
- "REGION_ID": config["region_id"],
- "KEYSTONE_HOST": self.app.name,
- "ADMIN_USERNAME": config["admin_username"],
- "ADMIN_PASSWORD": config["admin_password"],
- "ADMIN_PROJECT": config["admin_project"],
- "SERVICE_USERNAME": config["service_username"],
- "SERVICE_PASSWORD": config["service_password"],
- "SERVICE_PROJECT": config["service_project"],
- }
-
- if config.get("ldap_enabled"):
- envconfig["LDAP_AUTHENTICATION_DOMAIN_NAME"] = config[
- "ldap_authentication_domain_name"
- ]
- envconfig["LDAP_URL"] = config["ldap_url"]
- envconfig["LDAP_PAGE_SIZE"] = config["ldap_page_size"]
- envconfig["LDAP_USER_OBJECTCLASS"] = config["ldap_user_objectclass"]
- envconfig["LDAP_USER_ID_ATTRIBUTE"] = config["ldap_user_id_attribute"]
- envconfig["LDAP_USER_NAME_ATTRIBUTE"] = config["ldap_user_name_attribute"]
- envconfig["LDAP_USER_PASS_ATTRIBUTE"] = config["ldap_user_pass_attribute"]
- envconfig["LDAP_USER_ENABLED_MASK"] = config["ldap_user_enabled_mask"]
- envconfig["LDAP_USER_ENABLED_DEFAULT"] = config["ldap_user_enabled_default"]
- envconfig["LDAP_USER_ENABLED_INVERT"] = config["ldap_user_enabled_invert"]
- envconfig["LDAP_GROUP_OBJECTCLASS"] = config["ldap_group_objectclass"]
-
- if config["ldap_bind_user"]:
- envconfig["LDAP_BIND_USER"] = config["ldap_bind_user"]
-
- if config["ldap_bind_password"]:
- envconfig["LDAP_BIND_PASSWORD"] = config["ldap_bind_password"]
-
- if config["ldap_user_tree_dn"]:
- envconfig["LDAP_USER_TREE_DN"] = config["ldap_user_tree_dn"]
-
- if config["ldap_user_filter"]:
- envconfig["LDAP_USER_FILTER"] = config["ldap_user_filter"]
-
- if config["ldap_user_enabled_attribute"]:
- envconfig["LDAP_USER_ENABLED_ATTRIBUTE"] = config[
- "ldap_user_enabled_attribute"
- ]
-
- if config["ldap_chase_referrals"]:
- envconfig["LDAP_CHASE_REFERRALS"] = config["ldap_chase_referrals"]
-
- if config["ldap_group_tree_dn"]:
- envconfig["LDAP_GROUP_TREE_DN"] = config["ldap_group_tree_dn"]
-
- if config["ldap_use_starttls"]:
- envconfig["LDAP_USE_STARTTLS"] = config["ldap_use_starttls"]
- envconfig["LDAP_TLS_CACERT_BASE64"] = config["ldap_tls_cacert_base64"]
- envconfig["LDAP_TLS_REQ_CERT"] = config["ldap_tls_req_cert"]
-
- return envconfig
-
- def _make_pod_ingress_resources(self) -> List[Dict[str, Any]]:
- """Generate pod ingress resources.
-
- Returns:
- List[Dict[str, Any]]: pod ingress resources.
- """
- site_url = self.model.config["site_url"]
-
- if not site_url:
- return
-
- parsed = urlparse(site_url)
-
- if not parsed.scheme.startswith("http"):
- return
-
- max_file_size = self.model.config["max_file_size"]
- ingress_whitelist_source_range = self.model.config[
- "ingress_whitelist_source_range"
- ]
-
- annotations = {
- "nginx.ingress.kubernetes.io/proxy-body-size": "{}m".format(max_file_size)
- }
-
- if ingress_whitelist_source_range:
- annotations[
- "nginx.ingress.kubernetes.io/whitelist-source-range"
- ] = ingress_whitelist_source_range
-
- ingress_spec_tls = None
-
- if parsed.scheme == "https":
- ingress_spec_tls = [{"hosts": [parsed.hostname]}]
- tls_secret_name = self.model.config["tls_secret_name"]
- if tls_secret_name:
- ingress_spec_tls[0]["secretName"] = tls_secret_name
- else:
- annotations["nginx.ingress.kubernetes.io/ssl-redirect"] = "false"
-
- ingress = {
- "name": "{}-ingress".format(self.app.name),
- "annotations": annotations,
- "spec": {
- "rules": [
- {
- "host": parsed.hostname,
- "http": {
- "paths": [
- {
- "path": "/",
- "backend": {
- "serviceName": self.app.name,
- "servicePort": KEYSTONE_PORT,
- },
- }
- ]
- },
- }
- ],
- },
- }
- if ingress_spec_tls:
- ingress["spec"]["tls"] = ingress_spec_tls
-
- return [ingress]
+ def _check_missing_dependencies(self, config: ConfigModel):
+ missing_relations = []
+ if self.mysql_client.is_missing_data_in_unit():
+ missing_relations.append("mysql")
+ if missing_relations:
+ raise RelationsMissing(missing_relations)
def _generate_keys(self) -> Tuple[List[str], List[str]]:
"""Generating new fernet tokens.
return (fernet_keys, credential_keys)
- def _make_pod_files(
- self, fernet_keys: List[str], credential_keys: List[str]
- ) -> List[Dict[str, Any]]:
- """Generating ConfigMap information.
-
- Args:
- fernet_keys (List[str]): keys for fernet.
- credential_keys (List[str]): keys for credentials.
-
- Returns:
- List[Dict[str, Any]]: ConfigMap information.
- """
- files = [
- {
- "name": "fernet-keys",
- "mountPath": FERNET_KEYS_PATH,
- "files": [
- {"path": str(key_id), "content": value}
- for (key_id, value) in enumerate(fernet_keys)
- ],
- }
- ]
-
- files.append(
- {
- "name": "credential-keys",
- "mountPath": CREDENTIAL_KEYS_PATH,
- "files": [
- {"path": str(key_id), "content": value}
- for (key_id, value) in enumerate(credential_keys)
- ],
- }
- )
-
- return files
-
- def configure_pod(self, event: EventBase) -> NoReturn:
- """Assemble the pod spec and apply it, if possible.
-
- Args:
- event (EventBase): Hook or Relation event that started the
- function.
- """
- if not self.state.db_host:
- self.unit.status = WaitingStatus("Waiting for database relation")
- event.defer()
- return
-
- if not self.unit.is_leader():
- self.unit.status = ActiveStatus("ready")
- return
-
+ def _get_keys(self):
+ keys_timestamp = self.state.keys_timestamp
if fernet_keys := self.state.fernet_keys:
fernet_keys = json.loads(fernet_keys)
credential_keys = json.loads(credential_keys)
now = datetime.now().timestamp()
- keys_timestamp = self.state.keys_timestamp
- token_expiration = self.model.config["token_expiration"]
+ token_expiration = self.config["token_expiration"]
valid_keys = (now - keys_timestamp) < token_expiration
if not credential_keys or not fernet_keys or not valid_keys:
self.state.fernet_keys = json.dumps(fernet_keys)
self.state.credential_keys = json.dumps(credential_keys)
self.state.keys_timestamp = now
+ return credential_keys, fernet_keys
+
+ def _build_files(self, config: ConfigModel):
+ credentials_files_builder = FilesV3Builder()
+ fernet_files_builder = FilesV3Builder()
+
+ credential_keys, fernet_keys = self._get_keys()
+
+ for (key_id, value) in enumerate(credential_keys):
+ credentials_files_builder.add_file(str(key_id), value)
+ for (key_id, value) in enumerate(fernet_keys):
+ fernet_files_builder.add_file(str(key_id), value)
+ return credentials_files_builder.build(), fernet_files_builder.build()
+
+ def build_pod_spec(self, image_info):
+ # Validate config
+ config = ConfigModel(**dict(self.config))
+ config_ldap = ConfigLdapModel(**dict(self.config))
+ # Check relations
+ self._check_missing_dependencies(config)
+ # Create Builder for the PodSpec
+ pod_spec_builder = PodSpecV3Builder()
+ # Build Container
+ container_builder = ContainerV3Builder(self.app.name, image_info)
+ container_builder.add_port(name=self.app.name, port=PORT)
+ # Build files
+ credential_files, fernet_files = self._build_files(config)
+ container_builder.add_volume_config(
+ "credential-keys", CREDENTIAL_KEYS_PATH, credential_files
+ )
+ container_builder.add_volume_config(
+ "fernet-keys", FERNET_KEYS_PATH, fernet_files
+ )
+ container_builder.add_envs(
+ {
+ "DB_HOST": self.mysql_client.host,
+ "DB_PORT": self.mysql_client.port,
+ "ROOT_DB_USER": "root",
+ "ROOT_DB_PASSWORD": self.mysql_client.root_password,
+ "KEYSTONE_DB_PASSWORD": config.keystone_db_password,
+ "REGION_ID": config.region_id,
+ "KEYSTONE_HOST": self.app.name,
+ "ADMIN_USERNAME": config.admin_username,
+ "ADMIN_PASSWORD": config.admin_password,
+ "ADMIN_PROJECT": config.admin_project,
+ "SERVICE_USERNAME": config.service_username,
+ "SERVICE_PASSWORD": config.service_password,
+ "SERVICE_PROJECT": config.service_project,
+ }
+ )
- # Check problems in the settings
- problems = self._check_settings()
- if problems:
- self.unit.status = BlockedStatus(problems)
- return
-
- self.unit.status = BlockedStatus("Assembling pod spec")
- image_details = self._make_pod_image_details()
- ports = self._make_pod_ports()
- env_config = self._make_pod_envconfig()
- ingress_resources = self._make_pod_ingress_resources()
- files = self._make_pod_files(fernet_keys, credential_keys)
-
- pod_spec = {
- "version": 3,
- "containers": [
+ if config_ldap.ldap_enabled:
+
+ container_builder.add_envs(
{
- "name": self.framework.model.app.name,
- "imageDetails": image_details,
- "ports": ports,
- "envConfig": env_config,
- "volumeConfig": files,
+ "LDAP_AUTHENTICATION_DOMAIN_NAME": config_ldap.ldap_authentication_domain_name,
+ "LDAP_URL": config_ldap.ldap_url,
+ "LDAP_PAGE_SIZE": config_ldap.ldap_page_size,
+ "LDAP_USER_OBJECTCLASS": config_ldap.ldap_user_objectclass,
+ "LDAP_USER_ID_ATTRIBUTE": config_ldap.ldap_user_id_attribute,
+ "LDAP_USER_NAME_ATTRIBUTE": config_ldap.ldap_user_name_attribute,
+ "LDAP_USER_PASS_ATTRIBUTE": config_ldap.ldap_user_pass_attribute,
+ "LDAP_USER_ENABLED_MASK": config_ldap.ldap_user_enabled_mask,
+ "LDAP_USER_ENABLED_DEFAULT": config_ldap.ldap_user_enabled_default,
+ "LDAP_USER_ENABLED_INVERT": config_ldap.ldap_user_enabled_invert,
+ "LDAP_GROUP_OBJECTCLASS": config_ldap.ldap_group_objectclass,
}
- ],
- "kubernetesResources": {"ingressResources": ingress_resources or []},
- }
+ )
+ if config_ldap.ldap_bind_user:
+ container_builder.add_envs(
+ {"LDAP_BIND_USER": config_ldap.ldap_bind_user}
+ )
+
+ if config_ldap.ldap_bind_password:
+ container_builder.add_envs(
+ {"LDAP_BIND_PASSWORD": config_ldap.ldap_bind_password}
+ )
+
+ if config_ldap.ldap_user_tree_dn:
+ container_builder.add_envs(
+ {"LDAP_USER_TREE_DN": config_ldap.ldap_user_tree_dn}
+ )
+
+ if config_ldap.ldap_user_filter:
+ container_builder.add_envs(
+ {"LDAP_USER_FILTER": config_ldap.ldap_user_filter}
+ )
+
+ if config_ldap.ldap_user_enabled_attribute:
+ container_builder.add_envs(
+ {
+ "LDAP_USER_ENABLED_ATTRIBUTE": config_ldap.ldap_user_enabled_attribute
+ }
+ )
- if self.state.pod_spec != (
- pod_spec_json := json.dumps(pod_spec, sort_keys=True)
- ):
- self.state.pod_spec = pod_spec_json
- self.model.pod.set_spec(pod_spec)
+ if config_ldap.ldap_chase_referrals:
+ container_builder.add_envs(
+ {"LDAP_CHASE_REFERRALS": config_ldap.ldap_chase_referrals}
+ )
- self.unit.status = ActiveStatus("ready")
+ if config_ldap.ldap_group_tree_dn:
+ container_builder.add_envs(
+ {"LDAP_GROUP_TREE_DN": config_ldap.ldap_group_tree_dn}
+ )
+
+ if config_ldap.ldap_use_starttls:
+ container_builder.add_envs(
+ {
+ "LDAP_USE_STARTTLS": config_ldap.ldap_use_starttls,
+ "LDAP_TLS_CACERT_BASE64": config_ldap.ldap_tls_cacert_base64,
+ "LDAP_TLS_REQ_CERT": config_ldap.ldap_tls_req_cert,
+ }
+ )
+ container = container_builder.build()
+ # Add container to pod spec
+ pod_spec_builder.add_container(container)
+ # Add ingress resources to pod spec if site url exists
+ if config.site_url:
+ parsed = urlparse(config.site_url)
+ annotations = {
+ "nginx.ingress.kubernetes.io/proxy-body-size": "{}".format(
+ str(config.max_file_size) + "m"
+ if config.max_file_size > 0
+ else config.max_file_size
+ ),
+ }
+ ingress_resource_builder = IngressResourceV3Builder(
+ f"{self.app.name}-ingress", annotations
+ )
+
+ if config.ingress_whitelist_source_range:
+ annotations[
+ "nginx.ingress.kubernetes.io/whitelist-source-range"
+ ] = config.ingress_whitelist_source_range
+
+ if parsed.scheme == "https":
+ ingress_resource_builder.add_tls(
+ [parsed.hostname], config.tls_secret_name
+ )
+ else:
+ annotations["nginx.ingress.kubernetes.io/ssl-redirect"] = "false"
+
+ ingress_resource_builder.add_rule(parsed.hostname, self.app.name, PORT)
+ ingress_resource = ingress_resource_builder.build()
+ pod_spec_builder.add_ingress_resource(ingress_resource)
+ return pod_spec_builder.build()
if __name__ == "__main__":
main(KeystoneCharm)
+
+# LOGGER = logging.getLogger(__name__)
+
+
+# class ConfigurePodEvent(EventBase):
+# """Configure Pod event"""
+
+# pass
+
+
+# class KeystoneEvents(CharmEvents):
+# """Keystone Events"""
+
+# configure_pod = EventSource(ConfigurePodEvent)
+
+# class KeystoneCharm(CharmBase):
+# """Keystone K8s Charm"""
+
+# state = StoredState()
+# on = KeystoneEvents()
+
+# def __init__(self, *args) -> NoReturn:
+# """Constructor of the Charm object.
+# Initializes internal state and register events it can handle.
+# """
+# super().__init__(*args)
+# self.state.set_default(db_host=None)
+# self.state.set_default(db_port=None)
+# self.state.set_default(db_user=None)
+# self.state.set_default(db_password=None)
+# self.state.set_default(pod_spec=None)
+# self.state.set_default(fernet_keys=None)
+# self.state.set_default(credential_keys=None)
+# self.state.set_default(keys_timestamp=0)
+
+# # Register all of the events we want to observe
+# self.framework.observe(self.on.config_changed, self.configure_pod)
+# self.framework.observe(self.on.start, self.configure_pod)
+# self.framework.observe(self.on.upgrade_charm, self.configure_pod)
+# self.framework.observe(self.on.leader_elected, self.configure_pod)
+# self.framework.observe(self.on.update_status, self.configure_pod)
+
+# # Registering custom internal events
+# self.framework.observe(self.on.configure_pod, self.configure_pod)
+
+# # Register relation events
+# self.framework.observe(
+# self.on.db_relation_changed, self._on_db_relation_changed
+# )
+# self.framework.observe(
+# self.on.db_relation_broken, self._on_db_relation_broken
+# )
+# self.framework.observe(
+# self.on.keystone_relation_joined, self._publish_keystone_info
+# )
+
+# def _publish_keystone_info(self, event: EventBase) -> NoReturn:
+# """Publishes keystone information for NBI usage through the keystone
+# relation.
+
+# Args:
+# event (EventBase): Keystone relation event to update NBI.
+# """
+# config = self.model.config
+# rel_data = {
+# "host": f"http://{self.app.name}:{KEYSTONE_PORT}/v3",
+# "port": str(KEYSTONE_PORT),
+# "keystone_db_password": config["keystone_db_password"],
+# "region_id": config["region_id"],
+# "user_domain_name": config["user_domain_name"],
+# "project_domain_name": config["project_domain_name"],
+# "admin_username": config["admin_username"],
+# "admin_password": config["admin_password"],
+# "admin_project_name": config["admin_project"],
+# "username": config["service_username"],
+# "password": config["service_password"],
+# "service": config["service_project"],
+# }
+# for k, v in rel_data.items():
+# event.relation.data[self.model.unit][k] = v
+
+# def _on_db_relation_changed(self, event: EventBase) -> NoReturn:
+# """Reads information about the DB relation, in order for keystone to
+# access it.
+
+# Args:
+# event (EventBase): DB relation event to access database
+# information.
+# """
+# if not event.unit in event.relation.data:
+# return
+# relation_data = event.relation.data[event.unit]
+# db_host = relation_data.get("host")
+# db_port = int(relation_data.get("port", 3306))
+# db_user = "root"
+# db_password = relation_data.get("root_password")
+
+# if (
+# db_host
+# and db_port
+# and db_user
+# and db_password
+# and (
+# self.state.db_host != db_host
+# or self.state.db_port != db_port
+# or self.state.db_user != db_user
+# or self.state.db_password != db_password
+# )
+# ):
+# self.state.db_host = db_host
+# self.state.db_port = db_port
+# self.state.db_user = db_user
+# self.state.db_password = db_password
+# self.on.configure_pod.emit()
+
+
+# def _on_db_relation_broken(self, event: EventBase) -> NoReturn:
+# """Clears data from db relation.
+
+# Args:
+# event (EventBase): DB relation event.
+
+# """
+# self.state.db_host = None
+# self.state.db_port = None
+# self.state.db_user = None
+# self.state.db_password = None
+# self.on.configure_pod.emit()
+
+# def _check_settings(self) -> str:
+# """Check if there any settings missing from Keystone configuration.
+
+# Returns:
+# str: Information about the problems found (if any).
+# """
+# problems = []
+# config = self.model.config
+
+# for setting in REQUIRED_SETTINGS:
+# if not config.get(setting):
+# problem = f"missing config {setting}"
+# problems.append(problem)
+
+# return ";".join(problems)
+
+# def _make_pod_image_details(self) -> Dict[str, str]:
+# """Generate the pod image details.
+
+# Returns:
+# Dict[str, str]: pod image details.
+# """
+# config = self.model.config
+# image_details = {
+# "imagePath": config["image"],
+# }
+# if config["image_username"]:
+# image_details.update(
+# {
+# "username": config["image_username"],
+# "password": config["image_password"],
+# }
+# )
+# return image_details
+
+# def _make_pod_ports(self) -> List[Dict[str, Any]]:
+# """Generate the pod ports details.
+
+# Returns:
+# List[Dict[str, Any]]: pod ports details.
+# """
+# return [
+# {"name": "keystone", "containerPort": KEYSTONE_PORT, "protocol": "TCP"},
+# ]
+
+# def _make_pod_envconfig(self) -> Dict[str, Any]:
+# """Generate pod environment configuraiton.
+
+# Returns:
+# Dict[str, Any]: pod environment configuration.
+# """
+# config = self.model.config
+
+# envconfig = {
+# "DB_HOST": self.state.db_host,
+# "DB_PORT": self.state.db_port,
+# "ROOT_DB_USER": self.state.db_user,
+# "ROOT_DB_PASSWORD": self.state.db_password,
+# "KEYSTONE_DB_PASSWORD": config["keystone_db_password"],
+# "REGION_ID": config["region_id"],
+# "KEYSTONE_HOST": self.app.name,
+# "ADMIN_USERNAME": config["admin_username"],
+# "ADMIN_PASSWORD": config["admin_password"],
+# "ADMIN_PROJECT": config["admin_project"],
+# "SERVICE_USERNAME": config["service_username"],
+# "SERVICE_PASSWORD": config["service_password"],
+# "SERVICE_PROJECT": config["service_project"],
+# }
+
+# if config.get("ldap_enabled"):
+# envconfig["LDAP_AUTHENTICATION_DOMAIN_NAME"] = config[
+# "ldap_authentication_domain_name"
+# ]
+# envconfig["LDAP_URL"] = config["ldap_url"]
+# envconfig["LDAP_PAGE_SIZE"] = config["ldap_page_size"]
+# envconfig["LDAP_USER_OBJECTCLASS"] = config["ldap_user_objectclass"]
+# envconfig["LDAP_USER_ID_ATTRIBUTE"] = config["ldap_user_id_attribute"]
+# envconfig["LDAP_USER_NAME_ATTRIBUTE"] = config["ldap_user_name_attribute"]
+# envconfig["LDAP_USER_PASS_ATTRIBUTE"] = config["ldap_user_pass_attribute"]
+# envconfig["LDAP_USER_ENABLED_MASK"] = config["ldap_user_enabled_mask"]
+# envconfig["LDAP_USER_ENABLED_DEFAULT"] = config["ldap_user_enabled_default"]
+# envconfig["LDAP_USER_ENABLED_INVERT"] = config["ldap_user_enabled_invert"]
+# envconfig["LDAP_GROUP_OBJECTCLASS"] = config["ldap_group_objectclass"]
+
+# if config["ldap_bind_user"]:
+# envconfig["LDAP_BIND_USER"] = config["ldap_bind_user"]
+
+# if config["ldap_bind_password"]:
+# envconfig["LDAP_BIND_PASSWORD"] = config["ldap_bind_password"]
+
+# if config["ldap_user_tree_dn"]:
+# envconfig["LDAP_USER_TREE_DN"] = config["ldap_user_tree_dn"]
+
+# if config["ldap_user_filter"]:
+# envconfig["LDAP_USER_FILTER"] = config["ldap_user_filter"]
+
+# if config["ldap_user_enabled_attribute"]:
+# envconfig["LDAP_USER_ENABLED_ATTRIBUTE"] = config[
+# "ldap_user_enabled_attribute"
+# ]
+
+# if config["ldap_chase_referrals"]:
+# envconfig["LDAP_CHASE_REFERRALS"] = config["ldap_chase_referrals"]
+
+# if config["ldap_group_tree_dn"]:
+# envconfig["LDAP_GROUP_TREE_DN"] = config["ldap_group_tree_dn"]
+
+# if config["ldap_use_starttls"]:
+# envconfig["LDAP_USE_STARTTLS"] = config["ldap_use_starttls"]
+# envconfig["LDAP_TLS_CACERT_BASE64"] = config["ldap_tls_cacert_base64"]
+# envconfig["LDAP_TLS_REQ_CERT"] = config["ldap_tls_req_cert"]
+
+# return envconfig
+
+# def _make_pod_ingress_resources(self) -> List[Dict[str, Any]]:
+# """Generate pod ingress resources.
+
+# Returns:
+# List[Dict[str, Any]]: pod ingress resources.
+# """
+# site_url = self.model.config["site_url"]
+
+# if not site_url:
+# return
+
+# parsed = urlparse(site_url)
+
+# if not parsed.scheme.startswith("http"):
+# return
+
+# max_file_size = self.model.config["max_file_size"]
+# ingress_whitelist_source_range = self.model.config[
+# "ingress_whitelist_source_range"
+# ]
+
+# annotations = {
+# "nginx.ingress.kubernetes.io/proxy-body-size": "{}m".format(max_file_size)
+# }
+
+# if ingress_whitelist_source_range:
+# annotations[
+# "nginx.ingress.kubernetes.io/whitelist-source-range"
+# ] = ingress_whitelist_source_range
+
+# ingress_spec_tls = None
+
+# if parsed.scheme == "https":
+# ingress_spec_tls = [{"hosts": [parsed.hostname]}]
+# tls_secret_name = self.model.config["tls_secret_name"]
+# if tls_secret_name:
+# ingress_spec_tls[0]["secretName"] = tls_secret_name
+# else:
+# annotations["nginx.ingress.kubernetes.io/ssl-redirect"] = "false"
+
+# ingress = {
+# "name": "{}-ingress".format(self.app.name),
+# "annotations": annotations,
+# "spec": {
+# "rules": [
+# {
+# "host": parsed.hostname,
+# "http": {
+# "paths": [
+# {
+# "path": "/",
+# "backend": {
+# "serviceName": self.app.name,
+# "servicePort": KEYSTONE_PORT,
+# },
+# }
+# ]
+# },
+# }
+# ],
+# },
+# }
+# if ingress_spec_tls:
+# ingress["spec"]["tls"] = ingress_spec_tls
+
+# return [ingress]
+
+# def _generate_keys(self) -> Tuple[List[str], List[str]]:
+# """Generating new fernet tokens.
+
+# Returns:
+# Tuple[List[str], List[str]]: contains two lists of strings. First
+# list contains strings that represent
+# the keys for fernet and the second
+# list contains strins that represent
+# the keys for credentials.
+# """
+# fernet_keys = [
+# Fernet.generate_key().decode() for _ in range(NUMBER_FERNET_KEYS)
+# ]
+# credential_keys = [
+# Fernet.generate_key().decode() for _ in range(NUMBER_CREDENTIAL_KEYS)
+# ]
+
+# return (fernet_keys, credential_keys)
+
+# def configure_pod(self, event: EventBase) -> NoReturn:
+# """Assemble the pod spec and apply it, if possible.
+
+# Args:
+# event (EventBase): Hook or Relation event that started the
+# function.
+# """
+# if not self.state.db_host:
+# self.unit.status = WaitingStatus("Waiting for database relation")
+# event.defer()
+# return
+
+# if not self.unit.is_leader():
+# self.unit.status = ActiveStatus("ready")
+# return
+
+# if fernet_keys := self.state.fernet_keys:
+# fernet_keys = json.loads(fernet_keys)
+
+# if credential_keys := self.state.credential_keys:
+# credential_keys = json.loads(credential_keys)
+
+# now = datetime.now().timestamp()
+# keys_timestamp = self.state.keys_timestamp
+# token_expiration = self.model.config["token_expiration"]
+
+# valid_keys = (now - keys_timestamp) < token_expiration
+# if not credential_keys or not fernet_keys or not valid_keys:
+# fernet_keys, credential_keys = self._generate_keys()
+# self.state.fernet_keys = json.dumps(fernet_keys)
+# self.state.credential_keys = json.dumps(credential_keys)
+# self.state.keys_timestamp = now
+
+# # Check problems in the settings
+# problems = self._check_settings()
+# if problems:
+# self.unit.status = BlockedStatus(problems)
+# return
+
+# self.unit.status = BlockedStatus("Assembling pod spec")
+# image_details = self._make_pod_image_details()
+# ports = self._make_pod_ports()
+# env_config = self._make_pod_envconfig()
+# ingress_resources = self._make_pod_ingress_resources()
+# files = self._make_pod_files(fernet_keys, credential_keys)
+
+# pod_spec = {
+# "version": 3,
+# "containers": [
+# {
+# "name": self.framework.model.app.name,
+# "imageDetails": image_details,
+# "ports": ports,
+# "envConfig": env_config,
+# "volumeConfig": files,
+# }
+# ],
+# "kubernetesResources": {"ingressResources": ingress_resources or []},
+# }
+
+# if self.state.pod_spec != (
+# pod_spec_json := json.dumps(pod_spec, sort_keys=True)
+# ):
+# self.state.pod_spec = pod_spec_json
+# self.model.pod.set_spec(pod_spec)
+
+# self.unit.status = ActiveStatus("ready")
+
+
+# if __name__ == "__main__":
+# main(KeystoneCharm)
projects / osm / devops.git / blobdiff