Files
charm-openstack-dashboard/hooks/horizon_hooks.py

174 lines
4.7 KiB
Python
Executable File

#!/usr/bin/python
# vim: set ts=4:et
import sys
from charmhelpers.core.hookenv import (
Hooks, UnregisteredHookError,
log,
open_port,
config,
relation_set,
relation_get,
relation_ids,
unit_get
)
from charmhelpers.fetch import (
apt_update, apt_install,
filter_installed_packages,
)
from charmhelpers.core.host import (
restart_on_change
)
from charmhelpers.contrib.openstack.utils import (
configure_installation_source,
openstack_upgrade_available,
os_release,
save_script_rc
)
from horizon_utils import (
PACKAGES, register_configs,
restart_map,
LOCAL_SETTINGS, HAPROXY_CONF,
enable_ssl,
do_openstack_upgrade
)
from charmhelpers.contrib.network.ip import (
get_iface_for_address,
get_netmask_for_address,
)
from charmhelpers.contrib.hahelpers.apache import install_ca_cert
from charmhelpers.contrib.hahelpers.cluster import get_hacluster_config
from charmhelpers.payload.execd import execd_preinstall
from base64 import b64decode
hooks = Hooks()
CONFIGS = register_configs()
@hooks.hook('install')
def install():
configure_installation_source(config('openstack-origin'))
apt_update(fatal=True)
packages = PACKAGES[:]
if os_release('openstack-dashboard') < 'icehouse':
packages += ['nodejs', 'node-less']
apt_install(filter_installed_packages(packages), fatal=True)
@hooks.hook('upgrade-charm')
@restart_on_change(restart_map())
def upgrade_charm():
execd_preinstall()
apt_install(filter_installed_packages(PACKAGES), fatal=True)
CONFIGS.write_all()
@hooks.hook('config-changed')
@restart_on_change(restart_map())
def config_changed():
# Ensure default role changes are propagated to keystone
for relid in relation_ids('identity-service'):
keystone_joined(relid)
enable_ssl()
if openstack_upgrade_available('openstack-dashboard'):
do_openstack_upgrade(configs=CONFIGS)
env_vars = {
'OPENSTACK_URL_HORIZON':
"http://localhost:70{}|Login+-+OpenStack".format(
config('webroot')
),
'OPENSTACK_SERVICE_HORIZON': "apache2",
'OPENSTACK_PORT_HORIZON_SSL': 433,
'OPENSTACK_PORT_HORIZON': 70
}
save_script_rc(**env_vars)
CONFIGS.write_all()
open_port(80)
open_port(443)
@hooks.hook('identity-service-relation-joined')
def keystone_joined(rel_id=None):
relation_set(relation_id=rel_id,
service="None",
region="None",
public_url="None",
admin_url="None",
internal_url="None",
requested_roles=config('default-role'))
@hooks.hook('identity-service-relation-changed')
@restart_on_change(restart_map())
def keystone_changed():
CONFIGS.write(LOCAL_SETTINGS)
if relation_get('ca_cert'):
install_ca_cert(b64decode(relation_get('ca_cert')))
@hooks.hook('cluster-relation-departed',
'cluster-relation-changed')
@restart_on_change(restart_map())
def cluster_relation():
CONFIGS.write(HAPROXY_CONF)
@hooks.hook('ha-relation-joined')
def ha_relation_joined():
config = get_hacluster_config()
resources = {
'res_horizon_haproxy': 'lsb:haproxy'
}
resource_params = {
'res_horizon_haproxy': 'op monitor interval="5s"'
}
vip_group = []
for vip in config['vip'].split():
iface = get_iface_for_address(vip)
if iface is not None:
vip_key = 'res_horizon_{}_vip'.format(iface)
resources[vip_key] = 'ocf:heartbeat:IPaddr2'
resource_params[vip_key] = (
'params ip="{vip}" cidr_netmask="{netmask}"'
' nic="{iface}"'.format(vip=vip,
iface=iface,
netmask=get_netmask_for_address(vip))
)
vip_group.append(vip_key)
if len(vip_group) > 1:
relation_set(groups={'grp_horizon_vips': ' '.join(vip_group)})
init_services = {
'res_horizon_haproxy': 'haproxy'
}
clones = {
'cl_horizon_haproxy': 'res_horizon_haproxy'
}
relation_set(init_services=init_services,
corosync_bindiface=config['ha-bindiface'],
corosync_mcastport=config['ha-mcastport'],
resources=resources,
resource_params=resource_params,
clones=clones)
@hooks.hook('website-relation-joined')
def website_relation_joined():
relation_set(port=70,
hostname=unit_get('private-address'))
def main():
try:
hooks.execute(sys.argv)
except UnregisteredHookError as e:
log('Unknown hook {} - skipping.'.format(e))
if __name__ == '__main__':
main()