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import os
import socket
import urllib
import yaml
import actions
from charmhelpers.core import hookenv
from charmhelpers.core import services
from charmhelpers.core import templating
from setup import (
create_ssl_certificate,
is_opencontrail,
write_ssl_certificate
)
CONFIG_FILE = os.path.join(os.sep, 'etc', 'contrail', 'config.global.js')
class CassandraRelation(services.RelationContext):
name = 'cassandra'
interface = 'cassandra'
required_keys = ['private-address']
class ContrailAPIRelation(services.RelationContext):
name = 'contrail_api'
interface = 'contrail-api'
required_keys = ['private-address', 'port']
class ContrailDiscoveryRelation(services.RelationContext):
name = 'contrail_discovery'
interface = 'contrail-discovery'
required_keys = ['private-address', 'port']
class KeystoneRelation(services.RelationContext):
name = 'identity_admin'
interface = 'keystone-admin'
required_keys = ['service_hostname', 'service_port', 'service_username',
'service_tenant_name', 'service_password']
class RedisRelation(services.RelationContext):
name = 'redis'
interface = 'redis-master'
required_keys = ['hostname', 'port']
class ContrailWebUIConfig(services.ManagerCallback):
context_contrail = {
'webcontroller_path': '/usr/src/contrail/contrail-web-controller',
'logo_file': '/usr/src/contrail/contrail-web-core/webroot/img/juniper-networks-logo.png',
'favicon_file': '/usr/src/contrail/contrail-web-core/webroot/img/juniper-networks-favicon.ico'
}
context_opencontrail = {
'webcontroller_path': '/var/lib/contrail-webui/contrail-web-controller',
'logo_file': '/var/lib/contrail/contrail-web-core/webroot/img/opencontrail-logo.png',
'favicon_file': '/var/lib/contrail/contrail-web-core/webroot/img/opencontrail-favicon.ico'
}
def __call__(self, manager, service_name, event_name):
config = hookenv.config()
context = {
'config': config
}
context.update(self.context_opencontrail if is_opencontrail()
else self.context_contrail)
context.update(ContrailAPIRelation())
context.update(ContrailDiscoveryRelation())
context.update(CassandraRelation())
context.update(KeystoneRelation())
# Redis relation is optional
redis = RedisRelation()
if redis.is_ready():
context.update(redis)
else:
context.update({
'redis': [{
'hostname': '127.0.0.1',
'port': '6379'
}]
})
# Download logo and favicon or use the cached one
# if failed, falling back to the defaults
for target in ('logo', 'favicon'):
url = context['config']['{0}-url'.format(target)]
filename = os.path.join(os.sep, 'etc', 'contrail',
os.path.basename(url))
context['config']['{0}-filename'.format(target)] = ''
if url:
try:
urllib.urlretrieve(url, filename)
except IOError:
pass
try:
if os.stat(filename).st_size > 0:
context['config']['{0}-filename'.format(target)] = (
filename
)
except OSError:
pass
templating.render(
context=context,
source='config.global.js.j2',
target=CONFIG_FILE,
perms=0o644
)
templating.render(
context=context,
source='contrail-webui-userauth.js',
target='/etc/contrail/contrail-webui-userauth.js',
perms=0o640,
owner='root',
group='contrail'
)
class SSLConfig(services.ManagerCallback):
def __call__(self, manager, service_name, event_name):
if hookenv.is_leader():
config = hookenv.config()
cert = config.get('ssl-cert')
key = config.get('ssl-key')
if cert and key:
write_ssl_certificate(cert, key)
hookenv.leader_set({'ssl-cert': cert, 'ssl-key': key,
'ssl-cert-created': ''})
elif not hookenv.leader_get('ssl-cert-created'):
cert, key = create_ssl_certificate()
hookenv.leader_set({'ssl-cert': cert, 'ssl-key': key,
'ssl-cert-created': True})
class LeaderCallback(services.ManagerCallback):
def __call__(self, manager, service_name, event_name):
if not hookenv.is_leader():
cert = hookenv.leader_get('ssl-cert')
key = hookenv.leader_get('ssl-key')
if cert and key:
write_ssl_certificate(cert, key)
class ContrailWebRelation(services.ManagerCallback):
def __call__(self, manager, service_name, event_name):
config = hookenv.config()
name = hookenv.local_unit().replace('/', '-')
addr = socket.gethostbyname(hookenv.unit_get('private-address'))
http_port = config['http-port']
https_port = config['https-port']
services = [ { 'service_name': 'contrail-webui-http',
'service_host': '0.0.0.0',
'service_port': http_port,
'service_options': [ 'mode http', 'balance leastconn', 'option httpchk GET / HTTP/1.1\\r\\nHost:\\ www', 'stick on src table contrail-webui-https' ],
'servers': [ [ name, addr, http_port, 'check' ] ] },
{ 'service_name': 'contrail-webui-https',
'service_host': '0.0.0.0',
'service_port': https_port,
'service_options': [ 'mode tcp', 'balance leastconn', 'stick-table type ip size 10k expire 25h', 'stick on src' ],
'servers': [ [ name, addr, https_port, 'check' ] ] } ]
for relation in hookenv.relation_ids('website'):
hookenv.relation_set(relation, services=yaml.dump(services))
def manage():
config = hookenv.config()
cassandra = CassandraRelation()
contrail_api = ContrailAPIRelation()
contrail_discovery = ContrailDiscoveryRelation()
keystone = KeystoneRelation()
config_callback = ContrailWebUIConfig()
ssl_callback = SSLConfig()
leader_callback = LeaderCallback()
website_callback = ContrailWebRelation()
manager = services.ServiceManager([
{
'service': 'supervisor-webui',
'ports': (config['http-port'], config['https-port']),
'required_data': [
config,
cassandra,
contrail_api,
contrail_discovery,
keystone,
],
'data_ready': [
actions.log_start,
config_callback,
ssl_callback,
leader_callback,
website_callback,
],
},
])
manager.manage()
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