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# vim: set ts=4:et
import horizon_contexts
import charmhelpers.contrib.openstack.templating as templating
import charmhelpers.contrib.openstack.context as context
import subprocess
import os
from collections import OrderedDict
from charmhelpers.contrib.openstack.utils import (
get_os_codename_package,
get_os_codename_install_source,
configure_installation_source
)
from charmhelpers.core.hookenv import (
config,
log
)
from charmhelpers.fetch import (
apt_install,
apt_update
)
PACKAGES = [
"openstack-dashboard", "python-keystoneclient", "python-memcache",
"memcached", "haproxy", "python-novaclient",
"nodejs", "node-less", "openstack-dashboard-ubuntu-theme"
]
LOCAL_SETTINGS = "/etc/openstack-dashboard/local_settings.py"
HAPROXY_CONF = "/etc/haproxy/haproxy.cfg"
APACHE_CONF = "/etc/apache2/conf.d/openstack-dashboard.conf"
APACHE_24_CONF = "/etc/apache2/conf-available/openstack-dashboard.conf"
PORTS_CONF = "/etc/apache2/ports.conf"
APACHE_SSL = "/etc/apache2/sites-available/default-ssl"
APACHE_DEFAULT = "/etc/apache2/sites-available/default"
TEMPLATES = 'templates'
CONFIG_FILES = OrderedDict([
(LOCAL_SETTINGS, {
'hook_contexts': [horizon_contexts.HorizonContext(),
horizon_contexts.IdentityServiceContext(),
context.SyslogContext()],
'services': ['apache2']
}),
(APACHE_CONF, {
'hook_contexts': [horizon_contexts.HorizonContext(),
context.SyslogContext()],
'services': ['apache2'],
}),
(APACHE_24_CONF, {
'hook_contexts': [horizon_contexts.HorizonContext(),
context.SyslogContext()],
'services': ['apache2'],
}),
(APACHE_SSL, {
'hook_contexts': [horizon_contexts.ApacheSSLContext(),
horizon_contexts.ApacheContext()],
'services': ['apache2'],
}),
(APACHE_DEFAULT, {
'hook_contexts': [horizon_contexts.ApacheContext()],
'services': ['apache2'],
}),
(PORTS_CONF, {
'hook_contexts': [horizon_contexts.ApacheContext()],
'services': ['apache2'],
}),
(HAPROXY_CONF, {
'hook_contexts': [horizon_contexts.HorizonHAProxyContext()],
'services': ['haproxy'],
}),
])
def register_configs():
''' Register config files with their respective contexts. '''
release = get_os_codename_package('openstack-dashboard', fatal=False) or \
'essex'
configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
openstack_release=release)
confs = [LOCAL_SETTINGS,
HAPROXY_CONF,
APACHE_SSL,
APACHE_DEFAULT,
PORTS_CONF]
for conf in confs:
configs.register(conf, CONFIG_FILES[conf]['hook_contexts'])
if os.path.exists(os.path.dirname(APACHE_24_CONF)):
configs.register(APACHE_24_CONF,
CONFIG_FILES[APACHE_24_CONF]['hook_contexts'])
else:
configs.register(APACHE_CONF,
CONFIG_FILES[APACHE_CONF]['hook_contexts'])
return configs
def restart_map():
'''
Determine the correct resource map to be passed to
charmhelpers.core.restart_on_change() based on the services configured.
:returns: dict: A dictionary mapping config file to lists of services
that should be restarted when file changes.
'''
_map = []
for f, ctxt in CONFIG_FILES.iteritems():
svcs = []
for svc in ctxt['services']:
svcs.append(svc)
if svcs:
_map.append((f, svcs))
return OrderedDict(_map)
def enable_ssl():
''' Enable SSL support in local apache2 instance '''
subprocess.call(['a2ensite', 'default-ssl'])
subprocess.call(['a2enmod', 'ssl'])
def do_openstack_upgrade(configs):
"""
Perform an upgrade. Takes care of upgrading packages, rewriting
configs, database migrations and potentially any other post-upgrade
actions.
:param configs: The charms main OSConfigRenderer object.
"""
new_src = config('openstack-origin')
new_os_rel = get_os_codename_install_source(new_src)
log('Performing OpenStack upgrade to %s.' % (new_os_rel))
configure_installation_source(new_src)
dpkg_opts = [
'--option', 'Dpkg::Options::=--force-confnew',
'--option', 'Dpkg::Options::=--force-confdef',
]
apt_update(fatal=True)
apt_install(packages=PACKAGES, options=dpkg_opts, fatal=True)
# set CONFIGS to load templates from new release
configs.set_release(openstack_release=new_os_rel)
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