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import os
import pwd
import shutil
from socket import gaierror, gethostbyname, gethostname
from subprocess import (
CalledProcessError,
check_call,
check_output
)
import apt_pkg
from apt_pkg import version_compare
from charmhelpers.core.hookenv import (
config,
log,
related_units,
relation_get,
relation_ids,
relation_type,
remote_unit,
unit_get
)
from charmhelpers.core.host import service_restart
from charmhelpers.core.templating import render
apt_pkg.init()
def dpkg_version(pkg):
try:
return check_output(["dpkg-query", "-f", "${Version}\\n", "-W", pkg]).rstrip()
except CalledProcessError:
return None
CONTRAIL_VERSION = dpkg_version("contrail-analytics")
config = config()
def contrail_ctx():
return { "host_ip": gethostbyname(unit_get("private-address")) }
def cassandra_ctx():
key = "native_transport_port" \
if version_compare(CONTRAIL_VERSION, "3.0.2.0-34") >= 0 \
else "rpc_port"
servers = [ gethostbyname(relation_get("private-address", unit, rid))
+ ":" + port
for rid in relation_ids("cassandra")
for unit, port in
((unit, relation_get(key, unit, rid)) for unit in related_units(rid))
if port ] \
if config.get("cassandra-ready") else []
return { "cassandra_servers": servers }
def cassandra_units():
"""Return a list of cassandra units"""
return [ unit for rid in relation_ids("cassandra")
for unit in related_units(rid)
if relation_get("native_transport_port", unit, rid) ]
def contrail_api_ctx():
ctxs = [ { "api_server": vip if vip \
else gethostbyname(relation_get("private-address", unit, rid)),
"api_port": port }
for rid in relation_ids("contrail-api")
for unit, port, vip in
((unit, relation_get("port", unit, rid), relation_get("vip", unit, rid))
for unit in related_units(rid))
if port ]
return ctxs[0] if ctxs else {}
def discovery_ctx():
ctxs = [ { "disc_server_ip": vip if vip \
else gethostbyname(relation_get("private-address", unit, rid)),
"disc_server_port": port }
for rid in relation_ids("contrail-discovery")
for unit, port, vip in
((unit, relation_get("port", unit, rid), relation_get("vip", unit, rid))
for unit in related_units(rid))
if port ]
return ctxs[0] if ctxs else {}
def fix_hostname():
# ensure hostname is resolvable
hostname = gethostname()
try:
gethostbyname(hostname)
except gaierror:
check_call(["sed", "-E", "-i", "-e",
"/127.0.0.1[[:blank:]]+/a \\\n127.0.1.1 " + hostname,
"/etc/hosts"])
def fix_nodemgr():
# add files missing from contrail-nodemgr package
shutil.copy("files/contrail-nodemgr-analytics.ini",
"/etc/contrail/supervisord_analytics_files")
shutil.copy("files/contrail-analytics-api.ini",
"/etc/contrail/supervisord_analytics_files")
shutil.copy("files/contrail-collector.ini",
"/etc/contrail/supervisord_analytics_files")
shutil.copy("files/contrail-alarm-gen.ini",
"/etc/contrail/supervisord_analytics_files")
shutil.copy("files/contrail-topology.ini",
"/etc/contrail/supervisord_analytics_files")
shutil.copy("files/contrail-snmp-collector.ini",
"/etc/contrail/supervisord_analytics_files")
pw = pwd.getpwnam("contrail")
os.chown("/etc/contrail/supervisord_analytics_files/contrail-nodemgr-analytics.ini",
pw.pw_uid, pw.pw_gid)
shutil.copy("files/contrail-analytics-nodemgr", "/etc/init.d")
os.chmod("/etc/init.d/contrail-analytics-nodemgr", 0755)
# fake ntp status when inside a container
if is_container():
shutil.copy("files/ntpq-nodemgr", "/usr/local/bin/ntpq")
service_restart("supervisor-analytics")
def fix_permissions():
os.chmod("/etc/contrail", 0755)
os.chown("/etc/contrail", 0, 0)
def fix_services():
# redis listens on localhost by default
check_output(["sed", "-i", "-e",
"s/^bind /# bind /",
"/etc/redis/redis.conf"])
service_restart("redis-server")
def identity_admin_ctx():
ctxs = [ { "auth_host": gethostbyname(hostname),
"auth_port": relation_get("service_port", unit, rid),
"admin_user": relation_get("service_username", unit, rid),
"admin_password": relation_get("service_password", unit, rid),
"admin_tenant_name": relation_get("service_tenant_name", unit, rid) }
for rid in relation_ids("identity-admin")
for unit, hostname in
((unit, relation_get("service_hostname", unit, rid)) for unit in related_units(rid))
if hostname ]
return ctxs[0] if ctxs else {}
def is_container():
"""Return boolean determining if inside container"""
try:
check_call(["running-in-container"])
return True
except CalledProcessError:
return False
def kafka_ctx():
servers = [ gethostbyname(relation_get("private-address", unit, rid))
+ ":" + port
for rid in relation_ids("kafka")
for unit, port in
((unit, relation_get("port", unit, rid))
for unit in related_units(rid))
if port ] \
if config.get("kafka-ready") else []
return { "kafka_servers": servers }
def kafka_units():
"""Return a list of kafka units"""
return [ unit for rid in relation_ids("kafka")
for unit in related_units(rid)
if relation_get("port", unit, rid) ]
def provision_analytics():
hostname = gethostname()
ip = gethostbyname(unit_get("private-address"))
api_ip, api_port = [ (gethostbyname(relation_get("private-address", unit, rid)),
port)
for rid in relation_ids("contrail-api")
for unit, port in
((unit, relation_get("port", unit, rid)) for unit in related_units(rid))
if port ][0]
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid)
if relation_get("service_hostname", unit, rid) ][0]
log("Provisioning analytics {}".format(ip))
check_call(["contrail-provision-analytics",
"--host_name", hostname,
"--host_ip", ip,
"--api_server_ip", api_ip,
"--api_server_port", str(api_port),
"--oper", "add",
"--admin_user", user,
"--admin_password", password,
"--admin_tenant_name", tenant])
def units(relation):
"""Return a list of units for the specified relation"""
return [ unit for rid in relation_ids(relation)
for unit in related_units(rid) ]
def unprovision_analytics():
if not remote_unit():
return
hostname = gethostname()
ip = gethostbyname(unit_get("private-address"))
relation = relation_type()
api_ip = None
api_port = None
if relation == "contrail-api":
api_ip = gethostbyname(relation_get("private-address"))
api_port = relation_get("port")
else:
api_ip, api_port = [ (gethostbyname(relation_get("private-address", unit, rid)),
relation_get("port", unit, rid))
for rid in relation_ids("contrail-api")
for unit in related_units(rid) ][0]
user = None
password = None
tenant = None
if relation == "identity-admin":
user = relation_get("service_username")
password = relation_get("service_password")
tenant = relation_get("service_tenant_name")
else:
user, password, tenant = [ (relation_get("service_username", unit, rid),
relation_get("service_password", unit, rid),
relation_get("service_tenant_name", unit, rid))
for rid in relation_ids("identity-admin")
for unit in related_units(rid) ][0]
log("Unprovisioning analytics {}".format(ip))
check_call(["contrail-provision-analytics",
"--host_name", hostname,
"--host_ip", ip,
"--api_server_ip", api_ip,
"--api_server_port", str(api_port),
"--oper", "del",
"--admin_user", user,
"--admin_password", password,
"--admin_tenant_name", tenant])
def write_alarm_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(kafka_ctx())
ctx.update(zookeeper_ctx())
ctx.update(discovery_ctx())
render("contrail-alarm-gen.conf",
"/etc/contrail/contrail-alarm-gen.conf", ctx)
def write_analytics_api_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(cassandra_ctx())
ctx.update(discovery_ctx())
ctx.update(contrail_api_ctx())
render("contrail-analytics-api.conf",
"/etc/contrail/contrail-analytics-api.conf", ctx)
def write_collector_config():
ctx = {}
ctx.update(contrail_ctx())
ctx.update(cassandra_ctx())
ctx.update(kafka_ctx())
ctx.update(discovery_ctx())
if version_compare(CONTRAIL_VERSION, "3.0.2.0-34") >= 0:
ctx["zookeeper"] = True
ctx.update(zookeeper_ctx())
render("contrail-collector.conf",
"/etc/contrail/contrail-collector.conf", ctx)
def write_nodemgr_config():
ctx = discovery_ctx()
render("contrail-analytics-nodemgr.conf",
"/etc/contrail/contrail-analytics-nodemgr.conf", ctx)
def write_query_engine_config():
ctx = {}
ctx.update(cassandra_ctx())
ctx.update(discovery_ctx())
render("contrail-query-engine.conf",
"/etc/contrail/contrail-query-engine.conf", ctx)
def write_snmp_collector_config():
ctx = {}
ctx.update(contrail_api_ctx())
ctx.update(zookeeper_ctx())
ctx.update(discovery_ctx())
ctx.update(identity_admin_ctx())
render("contrail-snmp-collector.conf",
"/etc/contrail/contrail-snmp-collector.conf", ctx, "root",
"contrail", 0440)
def write_topology_config():
ctx = {}
ctx.update(zookeeper_ctx())
ctx.update(discovery_ctx())
render("contrail-topology.conf",
"/etc/contrail/contrail-topology.conf", ctx)
def write_vnc_api_config():
ctx = {}
ctx.update(contrail_api_ctx())
ctx.update(identity_admin_ctx())
render("vnc_api_lib.ini", "/etc/contrail/vnc_api_lib.ini", ctx)
def write_keystone_auth_config():
ctx = {}
ctx.update(contrail_api_ctx())
ctx.update(identity_admin_ctx())
render("contrail-keystone-auth.conf",
"/etc/contrail/contrail-keystone-auth.conf", ctx)
def zookeeper_ctx():
return { "zk_servers": [ gethostbyname(relation_get("private-address", unit, rid))
+ ":" + port
for rid in relation_ids("zookeeper")
for unit, port in
((unit, relation_get("port", unit, rid)) for unit in related_units(rid))
if port ] }
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