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from socket import inet_aton
import struct
import apt_pkg
from charmhelpers.core.hookenv import (
config,
related_units,
relation_get,
relation_ids,
status_set,
leader_get,
)
from charmhelpers.core.templating import render
from common_utils import (
get_ip,
decode_cert,
save_file,
check_run_prerequisites,
run_container,
json_loads,
)
apt_pkg.init()
config = config()
CONTAINER_NAME = "contrail-analyticsdb"
CONFIG_NAME = "analyticsdb"
SERVICES_TO_CHECK = ["contrail-database"]
def servers_ctx():
controller_ip_list = []
analytics_ip_list = []
for rid in relation_ids("contrail-analyticsdb"):
for unit in related_units(rid):
ip = relation_get("private-address", unit, rid)
if unit.startswith("contrail-controller"):
controller_ip_list.append(ip)
if unit.startswith("contrail-analytics"):
analytics_ip_list.append(ip)
sort_key = lambda ip: struct.unpack("!L", inet_aton(ip))[0]
controller_ip_list = sorted(controller_ip_list, key=sort_key)
analytics_ip_list = sorted(analytics_ip_list, key=sort_key)
return {
"controller_servers": controller_ip_list,
"analytics_servers": analytics_ip_list}
def analyticsdb_ctx():
"""Get the ipaddres of all analyticsdb nodes"""
analyticsdb_ip_list = [
relation_get("private-address", unit, rid)
for rid in relation_ids("analyticsdb-cluster")
for unit in related_units(rid)]
# add it's own ip address
analyticsdb_ip_list.append(get_ip())
sort_key = lambda ip: struct.unpack("!L", inet_aton(ip))[0]
analyticsdb_ip_list = sorted(analyticsdb_ip_list, key=sort_key)
return {"analyticsdb_servers": analyticsdb_ip_list}
def get_context():
ctx = {}
ctx.update(json_loads(config.get("orchestrator_info"), dict()))
ssl_ca = decode_cert("ssl_ca")
ctx["ssl_ca"] = ssl_ca
ctx["ssl_cert"] = decode_cert("ssl_cert")
ctx["ssl_key"] = decode_cert("ssl_key")
ctx["ssl_enabled"] = (ssl_ca is not None and len(ssl_ca) > 0)
ctx["db_user"] = leader_get("db_user")
ctx["db_password"] = leader_get("db_password")
ctx.update(servers_ctx())
ctx.update(analyticsdb_ctx())
ctx.update(json_loads(config.get("auth_info"), dict()))
return ctx
def render_config(ctx=None):
if not ctx:
ctx = get_context()
# NOTE: store files in default paths cause no way to pass this path to
# some of components (sandesh)
ssl_ca = ctx["ssl_ca"]
save_file("/etc/contrailctl/ssl/ca-cert.pem", ssl_ca)
ssl_cert = ctx["ssl_cert"]
save_file("/etc/contrailctl/ssl/server.pem", ssl_cert)
ssl_key = ctx["ssl_key"]
save_file("/etc/contrailctl/ssl/server-privkey.pem", ssl_key)
render("analyticsdb.conf", "/etc/contrailctl/analyticsdb.conf", ctx)
def update_charm_status(update_config=True):
update_config_func = render_config if update_config else None
result = check_run_prerequisites(CONTAINER_NAME, CONFIG_NAME,
update_config_func, SERVICES_TO_CHECK)
if not result:
return
ctx = get_context()
missing_relations = []
if not ctx.get("db_user"):
# NOTE: Charms don't allow to deploy cassandra in AllowAll mode
missing_relations.append("contrail-analyticsdb-cluster")
if not ctx.get("controller_servers"):
missing_relations.append("contrail-controller")
if not ctx.get("analytics_servers"):
missing_relations.append("contrail-analytics")
if missing_relations:
status_set('blocked',
'Missing relations: ' + ', '.join(missing_relations))
return
if not ctx.get("cloud_orchestrator"):
status_set('blocked',
'Missing cloud_orchestrator info in relation '
'with contrail-controller.')
return
if not ctx.get("keystone_ip"):
status_set('blocked',
'Missing auth info in relation with contrail-controller.')
return
# TODO: what should happens if relation departed?
render_config(ctx)
run_container(CONTAINER_NAME, "contrail-nodemgr")
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