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#!/usr/bin/env python
from socket import gethostbyname
import sys
import shutil
from apt_pkg import version_compare
import yaml
from charmhelpers.contrib.openstack.utils import configure_installation_source
from charmhelpers.core.hookenv import (
Hooks,
UnregisteredHookError,
config,
local_unit,
log,
relation_get,
relation_ids,
relation_set,
unit_get
)
from charmhelpers.core.host import (
restart_on_change,
service_restart
)
from charmhelpers.fetch import (
apt_install,
apt_upgrade,
configure_sources
)
from contrail_analytics_utils import (
CONTRAIL_VERSION,
cassandra_units,
fix_hostname,
fix_nodemgr,
fix_permissions,
fix_services,
kafka_units,
provision_analytics,
units,
unprovision_analytics,
write_alarm_config,
write_analytics_api_config,
write_collector_config,
write_nodemgr_config,
write_query_engine_config,
write_snmp_collector_config,
write_topology_config,
write_vnc_api_config,
write_keystone_auth_config
)
PACKAGES = [ "contrail-analytics", "contrail-utils", "contrail-nodemgr",
"python-jinja2" ]
hooks = Hooks()
config = config()
def add_analytics():
# check relation dependencies
if not config.get("analytics-configured") \
and config.get("cassandra-ready") \
and config.get("kafka-ready") \
and config.get("zookeeper-ready") \
and config.get("contrail-api-ready") \
and config.get("contrail-discovery-ready") \
and config.get("identity-admin-ready"):
# provision analytics on 3.0.2.0+
if version_compare(CONTRAIL_VERSION, "3.0.2.0-34") >= 0:
provision_analytics()
config["analytics-configured"] = True
@hooks.hook("cassandra-relation-changed")
def cassandra_changed():
if not relation_get("native_transport_port"):
log("Relation not ready")
return
if not config.get("cassandra-ready"):
units = len(cassandra_units())
required = config["cassandra-units"]
if units < required:
log("{} cassandra unit(s) ready, require {} more".format(units, required - units))
return
config["cassandra-ready"] = True
cassandra_relation()
add_analytics()
@hooks.hook("cassandra-relation-departed")
@hooks.hook("cassandra-relation-broken")
def cassandra_departed():
if not units("cassandra"):
remove_analytics()
config["cassandra-ready"] = False
cassandra_relation()
@restart_on_change({"/etc/contrail/contrail-collector.conf": ["contrail-collector"],
"/etc/contrail/contrail-query-engine.conf": ["contrail-query-engine"],
"/etc/contrail/contrail-analytics-api.conf": ["contrail-analytics-api"]})
def cassandra_relation():
write_collector_config()
write_query_engine_config()
write_analytics_api_config()
@hooks.hook("config-changed")
def config_changed():
vip = config.get("vip")
for rid in relation_ids("contrail-analytics-api"):
relation_set(relation_id=rid, vip=vip)
@hooks.hook("contrail-analytics-api-relation-joined")
def contrail_analytics_api_joined():
relation_set(port=8081, vip=config.get("vip"))
@hooks.hook("contrail-api-relation-changed")
def contrail_api_changed():
if not relation_get("port"):
log("Relation not ready")
return
contrail_api_relation()
config["contrail-api-ready"] = True
add_analytics()
@hooks.hook("contrail-api-relation-departed")
@hooks.hook("contrail-api-relation-broken")
def contrail_api_departed():
if not units("contrail-api"):
remove_analytics()
config["contrail-api-ready"] = False
contrail_api_relation()
@restart_on_change({"/etc/contrail/contrail-snmp-collector.conf": ["contrail-snmp-collector"],
"/etc/contrail/vnc_api_lib.ini": ["contrail-topology"]})
def contrail_api_relation():
write_snmp_collector_config()
write_vnc_api_config()
write_analytics_api_config()
@hooks.hook("contrail-discovery-relation-changed")
def contrail_discovery_changed():
if not relation_get("port"):
log("Relation not ready")
return
contrail_discovery_relation()
config["contrail-discovery-ready"] = True
add_analytics()
@hooks.hook("contrail-discovery-relation-departed")
@hooks.hook("contrail-discovery-relation-broken")
def contrail_discovery_departed():
if not units("contrail-discovery"):
remove_analytics()
config["contrail-discovery-ready"] = False
contrail_discovery_relation()
@restart_on_change({"/etc/contrail/contrail-collector.conf": ["contrail-collector"],
"/etc/contrail/contrail-query-engine.conf": ["contrail-query-engine"],
"/etc/contrail/contrail-analytics-api.conf": ["contrail-analytics-api"],
"/etc/contrail/contrail-alarm-gen.conf": ["contrail-alarm-gen"],
"/etc/contrail/contrail-topology.conf": ["contrail-topology"],
"/etc/contrail/contrail-snmp-collector.conf": ["contrail-snmp-collector"],
"/etc/contrail/contrail-analytics-nodemgr.conf": ["contrail-analytics-nodemgr"]})
def contrail_discovery_relation():
write_collector_config()
write_query_engine_config()
write_analytics_api_config()
write_alarm_config()
write_topology_config()
write_snmp_collector_config()
write_nodemgr_config()
@hooks.hook("http-services-relation-joined")
def http_services_joined():
name = local_unit().replace("/", "-")
addr = gethostbyname(unit_get("private-address"))
services = [ { "service_name": "contrail-analytics-api",
"service_host": "0.0.0.0",
"service_port": 8081,
"service_options": [ "mode http", "balance leastconn", "option httpchk GET /analytics HTTP/1.0" ],
"servers": [ [ name, addr, 8081, "check" ] ] } ]
relation_set(services=yaml.dump(services))
@hooks.hook("identity-admin-relation-changed")
def identity_admin_changed():
if not relation_get("service_hostname"):
log("Relation not ready")
return
identity_admin_relation()
config["identity-admin-ready"] = True
add_analytics()
@hooks.hook("identity-admin-relation-departed")
@hooks.hook("identity-admin-relation-broken")
def identity_admin_departed():
if not units("identity-admin"):
remove_analytics()
config["identity-admin-ready"] = False
identity_admin_relation()
@restart_on_change({"/etc/contrail/contrail-snmp-collector.conf": ["contrail-snmp-collector"],
"/etc/contrail/vnc_api_lib.ini": ["contrail-topology"],
"/etc/contrail/contrail-keystone-auth.conf": ["contrail-keystone-auth"]})
def identity_admin_relation():
write_snmp_collector_config()
write_vnc_api_config()
write_keystone_auth_config()
@hooks.hook()
def install():
fix_hostname()
shutil.copy('files/contrail', '/etc/apt/preferences.d')
configure_installation_source(config["openstack-origin"])
configure_sources(True, "install-sources", "install-keys")
apt_upgrade(fatal=True, dist=True)
apt_install(PACKAGES, fatal=True)
fix_permissions()
fix_services()
fix_nodemgr()
@hooks.hook("kafka-relation-changed")
def kafka_changed():
if not relation_get("port"):
log("Relation not ready")
return
if not config.get("kafka-ready"):
units = len(kafka_units())
required = config["kafka-units"]
if units < required:
log("{} kafka unit(s) ready, require {} more".format(units, required - units))
return
config["kafka-ready"] = True
kafka_relation()
add_analytics()
@hooks.hook("kafka-relation-departed")
@hooks.hook("kafka-relation-broken")
def kafka_departed():
if not units("kafka"):
remove_analytics()
config["kafka-ready"] = False
kafka_relation()
@restart_on_change({"/etc/contrail/contrail-collector.conf": ["contrail-collector"],
"/etc/contrail/contrail-alarm-gen.conf": ["contrail-alarm-gen"]})
def kafka_relation():
write_collector_config()
write_alarm_config()
def main():
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log("Unknown hook {} - skipping.".format(e))
def remove_analytics():
if config.get("analytics-configured"):
# unprovision analytics on 3.0.2.0+
if version_compare(CONTRAIL_VERSION, "3.0.2.0-34") >= 0:
unprovision_analytics()
config["analytics-configured"] = False
@hooks.hook("upgrade-charm")
def upgrade_charm():
write_collector_config()
write_query_engine_config()
write_analytics_api_config()
write_alarm_config()
write_topology_config()
write_snmp_collector_config()
write_vnc_api_config()
write_nodemgr_config()
service_restart("supervisor-analytics")
@hooks.hook("zookeeper-relation-changed")
def zookeeper_changed():
if not relation_get("port"):
log("Relation not ready")
return
zookeeper_relation()
config["zookeeper-ready"] = True
add_analytics()
@hooks.hook("zookeeper-relation-departed")
@hooks.hook("zookeeper-relation-broken")
def zookeeper_departed():
if not units("zookeeper"):
remove_analytics()
config["zookeeper-ready"] = False
zookeeper_relation()
@restart_on_change({"/etc/contrail/contrail-collector.conf": ["contrail-collector"],
"/etc/contrail/contrail-alarm-gen.conf": ["contrail-alarm-gen"],
"/etc/contrail/contrail-topology.conf": ["contrail-topology"],
"/etc/contrail/contrail-snmp-collector.conf": ["contrail-snmp-collector"]})
def zookeeper_relation():
write_collector_config()
write_alarm_config()
write_topology_config()
write_snmp_collector_config()
if __name__ == "__main__":
main()
|
