2 # Copyright 2021 Canonical Ltd.
4 # Licensed under the Apache License, Version 2.0 (the "License"); you may
5 # not use this file except in compliance with the License. You may obtain
6 # a copy of the License at
8 # http://www.apache.org/licenses/LICENSE-2.0
10 # Unless required by applicable law or agreed to in writing, software
11 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
12 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
13 # License for the specific language governing permissions and limitations
16 # For those usages not covered by the Apache License, Version 2.0 please
17 # contact: legal@canonical.com
19 # To get in touch with the maintainers, please contact:
20 # osm-charmers@lists.launchpad.net
23 # pylint: disable=E0213
27 from typing
import NoReturn
29 from ops
.main
import main
31 from opslib
.osm
.charm
import CharmedOsmBase
, RelationsMissing
33 from opslib
.osm
.pod
import (
38 from opslib
.osm
.validator
import (
43 from opslib
.osm
.interfaces
.kafka
import KafkaClient
44 from opslib
.osm
.interfaces
.mongo
import MongoClient
45 from opslib
.osm
.interfaces
.prometheus
import PrometheusClient
46 from opslib
.osm
.interfaces
.keystone
import KeystoneClient
49 logger
= logging
.getLogger(__name__
)
54 class ConfigModel(ModelValidator
):
55 keystone_enabled
: bool
60 database_commonkey
: str
62 openstack_default_granularity
: int
63 global_request_timeout
: int
64 collector_interval
: int
65 evaluator_interval
: int
70 @validator("log_level")
71 def validate_log_level(cls
, v
):
72 if v
not in {"INFO", "DEBUG"}:
73 raise ValueError("value must be INFO or DEBUG")
77 class MonCharm(CharmedOsmBase
):
78 def __init__(self
, *args
) -> NoReturn
:
79 super().__init
__(*args
, oci_image
="image")
81 self
.kafka_client
= KafkaClient(self
, "kafka")
82 self
.framework
.observe(self
.on
["kafka"].relation_changed
, self
.configure_pod
)
83 self
.framework
.observe(self
.on
["kafka"].relation_broken
, self
.configure_pod
)
85 self
.mongodb_client
= MongoClient(self
, "mongodb")
86 self
.framework
.observe(self
.on
["mongodb"].relation_changed
, self
.configure_pod
)
87 self
.framework
.observe(self
.on
["mongodb"].relation_broken
, self
.configure_pod
)
89 self
.prometheus_client
= PrometheusClient(self
, "prometheus")
90 self
.framework
.observe(
91 self
.on
["prometheus"].relation_changed
, self
.configure_pod
93 self
.framework
.observe(
94 self
.on
["prometheus"].relation_broken
, self
.configure_pod
97 self
.keystone_client
= KeystoneClient(self
, "keystone")
98 self
.framework
.observe(self
.on
["keystone"].relation_changed
, self
.configure_pod
)
99 self
.framework
.observe(self
.on
["keystone"].relation_broken
, self
.configure_pod
)
101 def _check_missing_dependencies(self
, config
: ConfigModel
):
102 missing_relations
= []
104 if self
.kafka_client
.is_missing_data_in_unit():
105 missing_relations
.append("kafka")
106 if self
.mongodb_client
.is_missing_data_in_unit():
107 missing_relations
.append("mongodb")
108 if self
.prometheus_client
.is_missing_data_in_app():
109 missing_relations
.append("prometheus")
110 if config
.keystone_enabled
:
111 if self
.keystone_client
.is_missing_data_in_app():
112 missing_relations
.append("keystone")
114 if missing_relations
:
115 raise RelationsMissing(missing_relations
)
117 def build_pod_spec(self
, image_info
):
119 config
= ConfigModel(**dict(self
.config
))
121 self
._check
_missing
_dependencies
(config
)
122 # Create Builder for the PodSpec
123 pod_spec_builder
= PodSpecV3Builder()
125 container_builder
= ContainerV3Builder(self
.app
.name
, image_info
)
126 container_builder
.add_port(name
=self
.app
.name
, port
=PORT
)
127 container_builder
.add_envs(
129 # General configuration
130 "ALLOW_ANONYMOUS_LOGIN": "yes",
131 "OSMMON_OPENSTACK_DEFAULT_GRANULARITY": config
.openstack_default_granularity
,
132 "OSMMON_GLOBAL_REQUEST_TIMEOUT": config
.global_request_timeout
,
133 "OSMMON_GLOBAL_LOGLEVEL": config
.log_level
,
134 "OSMMON_COLLECTOR_INTERVAL": config
.collector_interval
,
135 "OSMMON_EVALUATOR_INTERVAL": config
.evaluator_interval
,
136 # Kafka configuration
137 "OSMMON_MESSAGE_DRIVER": "kafka",
138 "OSMMON_MESSAGE_HOST": self
.kafka_client
.host
,
139 "OSMMON_MESSAGE_PORT": self
.kafka_client
.port
,
140 # Database configuration
141 "OSMMON_DATABASE_DRIVER": "mongo",
142 "OSMMON_DATABASE_URI": self
.mongodb_client
.connection_string
,
143 "OSMMON_DATABASE_COMMONKEY": config
.database_commonkey
,
144 # Prometheus configuration
145 "OSMMON_PROMETHEUS_URL": f
"http://{self.prometheus_client.hostname}:{self.prometheus_client.port}",
147 "OSMMON_VCA_HOST": config
.vca_host
,
148 "OSMMON_VCA_USER": config
.vca_user
,
149 "OSMMON_VCA_SECRET": config
.vca_password
,
150 "OSMMON_VCA_CACERT": config
.vca_cacert
,
151 "OSMMON_GRAFANA_URL": config
.grafana_url
,
152 "OSMMON_GRAFANA_USER": config
.grafana_user
,
153 "OSMMON_GRAFANA_PASSWORD": config
.grafana_password
,
156 if config
.keystone_enabled
:
157 container_builder
.add_envs(
159 "OSMMON_KEYSTONE_ENABLED": True,
160 "OSMMON_KEYSTONE_URL": self
.keystone_client
.host
,
161 "OSMMON_KEYSTONE_DOMAIN_NAME": self
.keystone_client
.user_domain_name
,
162 "OSMMON_KEYSTONE_PROJECT_DOMAIN_NAME": self
.keystone_client
.project_domain_name
,
163 "OSMMON_KEYSTONE_SERVICE_USER": self
.keystone_client
.username
,
164 "OSMMON_KEYSTONE_SERVICE_PASSWORD": self
.keystone_client
.password
,
165 "OSMMON_KEYSTONE_SERVICE_PROJECT": self
.keystone_client
.service
,
169 container
= container_builder
.build()
170 # Add container to pod spec
171 pod_spec_builder
.add_container(container
)
172 return pod_spec_builder
.build()
175 if __name__
== "__main__":