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#!/usr/bin/env python
import sys
import yaml
from charmhelpers.core.hookenv import (
Hooks,
UnregisteredHookError,
config,
log,
relation_get,
relation_ids,
related_units,
status_set,
relation_set,
local_unit,
)
from charmhelpers.fetch import (
apt_install,
apt_upgrade,
apt_update
)
from contrail_analytics_utils import (
update_charm_status,
CONTAINER_NAME,
)
from common_utils import (
get_ip,
fix_hostname,
)
from docker_utils import (
add_docker_repo,
DOCKER_PACKAGES,
is_container_launched,
)
PACKAGES = []
hooks = Hooks()
config = config()
@hooks.hook("install.real")
def install():
status_set("maintenance", "Installing...")
# TODO: try to remove this call
fix_hostname()
apt_upgrade(fatal=True, dist=True)
add_docker_repo()
apt_update(fatal=False)
apt_install(PACKAGES + DOCKER_PACKAGES, fatal=True)
update_charm_status()
@hooks.hook("config-changed")
def config_changed():
if config.changed("control-network"):
settings = {'private-address': get_ip()}
rnames = ("contrail-analytics", "contrail-analyticsdb",
"analytics-cluster", "http-services")
for rname in rnames:
for rid in relation_ids(rname):
relation_set(relation_id=rid, relation_settings=settings)
update_charm_status()
def _value_changed(rel_data, rel_key, cfg_key):
if rel_key not in rel_data:
# data is absent in relation. it means that remote charm doesn't
# send it due to lack of information
return False
value = rel_data[rel_key]
if value is not None and value != config.get(cfg_key):
config[cfg_key] = value
return True
elif value is None and config.get(cfg_key) is not None:
config.pop(cfg_key, None)
return True
return False
@hooks.hook("contrail-analytics-relation-joined")
def contrail_analytics_joined():
settings = {"private-address": get_ip()}
relation_set(relation_settings=settings)
@hooks.hook("contrail-analytics-relation-changed")
def contrail_analytics_changed():
data = relation_get()
changed = False
changed |= _value_changed(data, "auth-mode", "auth_mode")
changed |= _value_changed(data, "auth-info", "auth_info")
changed |= _value_changed(data, "orchestrator-info", "orchestrator_info")
changed |= _value_changed(data, "ssl-ca", "ssl_ca")
changed |= _value_changed(data, "ssl-cert", "ssl_cert")
changed |= _value_changed(data, "ssl-key", "ssl_key")
changed |= _value_changed(data, "rabbitmq_user", "rabbitmq_user")
changed |= _value_changed(data, "rabbitmq_password", "rabbitmq_password")
changed |= _value_changed(data, "rabbitmq_vhost", "rabbitmq_vhost")
# TODO: handle changing of all values
# TODO: set error if orchestrator is changing and container was started
if changed:
update_charm_status()
@hooks.hook("contrail-analytics-relation-departed")
def contrail_analytics_departed():
units = [unit for rid in relation_ids("contrail-controller")
for unit in related_units(rid)]
if not units:
for key in ["auth_info", "auth_mode", "orchestrator_info",
"ssl_ca", "ssl_cert", "ssl_key", "rabbitmq_vhost",
"rabbitmq_user", "rabbitmq_password"]:
config.pop(key, None)
if is_container_launched(CONTAINER_NAME):
status_set(
"blocked",
"Container is present but cloud orchestrator was disappeared."
" Please kill container by yourself or restore cloud orchestrator.")
update_charm_status()
@hooks.hook("contrail-analyticsdb-relation-joined")
def contrail_analyticsdb_joined():
settings = {"private-address": get_ip()}
relation_set(relation_settings=settings)
@hooks.hook("contrail-analyticsdb-relation-changed")
def contrail_analyticsdb_changed():
data = relation_get()
_value_changed(data, "db-user", "db_user")
_value_changed(data, "db-password", "db_password")
update_charm_status()
@hooks.hook("contrail-analyticsdb-relation-departed")
def contrail_analyticsdb_departed():
units = [unit for rid in relation_ids("contrail-analyticsdb")
for unit in related_units(rid)]
if not units:
config.pop("db_user", None)
config.pop("db_password", None)
update_charm_status()
@hooks.hook("analytics-cluster-relation-joined")
def analytics_cluster_joined():
settings = {"private-address": get_ip()}
relation_set(relation_settings=settings)
update_charm_status()
@hooks.hook("update-status")
def update_status():
update_charm_status(update_config=False)
@hooks.hook("upgrade-charm")
def upgrade_charm():
# NOTE: image can not be deleted if container is running.
# TODO: so think about killing the container
# NOTE: this hook can be fired when either resource changed or charm code
# changed. so if code was changed then we may need to update config
update_charm_status()
def _http_services():
name = local_unit().replace("/", "-")
addr = get_ip()
return [{"service_name": "contrail-analytics-api",
"service_host": "*",
"service_port": 8081,
"service_options": ["option nolinger", "balance roundrobin"],
"servers": [[name, addr, 8081, "check inter 2000 rise 2 fall 3"]]
}]
@hooks.hook("http-services-relation-joined")
def http_services_joined():
relation_set(services=yaml.dump(_http_services()))
def main():
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log("Unknown hook {} - skipping.".format(e))
if __name__ == "__main__":
main()
|
