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|
#!/usr/bin/env python
import json
from subprocess import CalledProcessError, check_output
import sys
import uuid
from charmhelpers.core.hookenv import (
Hooks,
UnregisteredHookError,
config,
log,
related_units,
relation_get,
relation_ids,
relation_set,
status_set,
leader_get,
leader_set,
is_leader,
application_version_set,
)
from charmhelpers.core.host import (
restart_on_change,
)
from charmhelpers.fetch import (
apt_install,
apt_update,
apt_upgrade,
configure_sources
)
from contrail_openstack_utils import (
write_configs,
update_service_ips,
)
NEUTRON_API_PACKAGES = ["neutron-plugin-contrail"]
hooks = Hooks()
config = config()
@hooks.hook("install.real")
def install():
status_set('maintenance', 'Installing...')
configure_sources(True, "install-sources", "install-keys")
apt_update(fatal=True)
apt_upgrade(fatal=True, dist=False)
status_set("blocked", "Missing relation to contrail-controller")
@hooks.hook("config-changed")
def config_changed():
if config.changed("install-sources") or config.changed("install-keys"):
configure_sources(True, "install-sources", "install-keys")
apt_update(fatal=True)
apt_upgrade(fatal=True, dist=False)
if is_leader():
_configure_metadata_shared_secret()
@hooks.hook("leader-elected")
def leader_elected():
_configure_metadata_shared_secret()
_notify_clients()
@hooks.hook("leader-settings-changed")
def leader_settings_changed():
_notify_clients()
@hooks.hook("contrail-controller-relation-joined")
def contrail_controller_joined():
if not is_leader():
return
data = _get_orchestrator_info()
relation_set(**data)
@hooks.hook("contrail-controller-relation-changed")
@restart_on_change({"/etc/neutron/plugins/opencontrail/ContrailPlugin.ini":
["neutron-server"]})
def contrail_controller_changed():
data = relation_get()
def _update_config(key, data_key):
if data_key in data:
val = data[data_key]
if val is not None:
config[key] = val
else:
config.pop(key, None)
_update_config("auth_info", "auth-info")
_update_config("ssl_ca", "ssl-ca")
_update_config("api_vip", "api-vip")
_update_config("api_ip", "private-address")
_update_config("api_port", "port")
config.save()
write_configs()
status_set("active", "Unit is ready")
# auth_info can affect endpoints
changed = update_service_ips()
if changed and is_leader():
data = _get_orchestrator_info()
for rid in relation_ids("contrail-controller"):
relation_set(relation_id=rid, **data)
@hooks.hook("contrail-controller-relation-departed")
@restart_on_change({"/etc/neutron/plugins/opencontrail/ContrailPlugin.ini":
["neutron-server"]})
def contrail_cotroller_departed():
units = [unit for rid in relation_ids("contrail-controller")
for unit in related_units(rid)]
if units:
return
for key in ["auth_info", "ssl_ca", "api_vip", "api_ip", "api_port"]:
config.pop(key, None)
config.save()
write_configs()
status_set("blocked", "Missing relation to contrail-controller")
def _configure_metadata_shared_secret():
secret = leader_get("metadata-shared-secret")
if config["enable-metadata-server"] and not secret:
secret = str(uuid.uuid4())
elif not config["enable-metadata-server"] and secret:
secret = None
else:
return
leader_set(settings={"metadata-shared-secret": secret})
def _notify_clients():
# notify clients
data = _get_orchestrator_info()
for rid in relation_ids("contrail-controller"):
relation_set(relation_id=rid, **data)
for rid in relation_ids("nova-compute"):
nova_compute_joined(rid)
def _get_orchestrator_info():
info = {"cloud_orchestrator": "openstack"}
if config["enable-metadata-server"]:
info["metadata_shared_secret"] = leader_get("metadata-shared-secret")
def _add_to_info(key):
value = config.get(key)
if value:
info[key] = value
_add_to_info("compute_service_ip")
_add_to_info("image_service_ip")
_add_to_info("network_service_ip")
return {"orchestrator-info": json.dumps(info)}
@hooks.hook("neutron-api-relation-joined")
def neutron_api_joined():
apt_install(NEUTRON_API_PACKAGES, fatal=True)
try:
cmd = ["dpkg-query", "-f", "${Version}\\n",
"-W", "neutron-plugin-contrail"]
version = check_output(cmd).decode("UTF-8").rstrip()
application_version_set(version)
except CalledProcessError as e:
log("Couldn't detect installed application version: " + str(e))
# create plugin config
base = "neutron_plugin_contrail.plugins.opencontrail"
plugin = base + ".contrail_plugin.NeutronPluginContrailCoreV2"
service_plugins = base + ".loadbalancer.v2.plugin.LoadBalancerPluginV2"
extensions = [
"/usr/lib/python2.7/dist-packages/neutron_plugin_contrail/extensions",
"/usr/lib/python2.7/dist-packages/neutron_lbaas/extensions"]
conf = {
"neutron-api": {
"/etc/neutron/neutron.conf": {
"sections": {
"DEFAULT": [
("api_extensions_path", ":".join(extensions))
]
}
}
}
}
settings = {
"neutron-plugin": "contrail",
"core-plugin": plugin,
"neutron-plugin-config":
"/etc/neutron/plugins/opencontrail/ContrailPlugin.ini",
"service-plugins": service_plugins,
"quota-driver": base + ".quota.driver.QuotaDriver",
"subordinate_configuration": json.dumps(conf)}
relation_set(relation_settings=settings)
@hooks.hook("nova-compute-relation-joined")
def nova_compute_joined(rel_id=None):
# create plugin config
conf = {
"nova-compute": {
"/etc/nova/nova.conf": {
"sections": {
"DEFAULT": [
("firewall_driver", "nova.virt.firewall.NoopFirewallDriver")
]
}
}
}
}
settings = {
"metadata-shared-secret": leader_get("metadata-shared-secret"),
"subordinate_configuration": json.dumps(conf)}
relation_set(relation_id=rel_id, relation_settings=settings)
def main():
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log("Unknown hook {} - skipping.".format(e))
if __name__ == "__main__":
main()
|
