132 lines
3.5 KiB
Python
132 lines
3.5 KiB
Python
import os
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import collections
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import subprocess
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import charmhelpers.core.hookenv as hookenv
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import charmhelpers.core.host as host
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import charms_openstack.charm
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import charms_openstack.adapters as adapters
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import charms_openstack.ip as os_ip
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GNOCCHI_DIR = '/etc/gnocchi'
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GNOCCHI_CONF = os.path.join(GNOCCHI_DIR, 'gnocchi.conf')
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GNOCCHI_APACHE_SITE = 'gnocchi-api'
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GNOCCHI_WSGI_CONF = '/etc/apache2/sites-available/{}.conf'.format(GNOCCHI_APACHE_SITE)
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CEPH_CONF = '/etc/ceph/ceph.conf'
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CEPH_POOL_NAME = 'gnocchi'
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class StorageCephRelationAdapter(adapters.OpenStackRelationAdapter):
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"""
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Adapter for the CephClientRequires relation interface.
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"""
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interface_type = "ceph-client"
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@property
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def monitors(self):
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"""
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Comma separated list of hosts that should be used
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to access Ceph.
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"""
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hosts = self.relation.mon_hosts()
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if len(hosts) > 1:
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return ','.join(hosts)
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else:
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return None
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class GnocchiCharmRelationAdapaters(adapters.OpenStackAPIRelationAdapters):
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"""
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Adapters collection to append ceph-client adapter for Gnocchi
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"""
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relation_adapters = {
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'storage_ceph': StorageCephRelationAdapter,
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'shared_db': adapters.DatabaseRelationAdapter,
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'cluster': adapters.PeerHARelationAdapter,
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}
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class GnocchiCharm(charms_openstack.charm.HAOpenStackCharm):
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"""
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Charm for Juju deployment of Gnocchi
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"""
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# Internal name of charm
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service_name = name = 'gnocchi'
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# First release supported
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release = 'mitaka'
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# List of packages to install for this charm
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packages = ['gnocchi-api', 'gnocchi-metricd', 'python-apt',
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'ceph-common', 'python-rados', 'python-keystonemiddleware',
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'apache2', 'libapache2-mod-wsgi']
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api_ports = {
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'gnocchi-api': {
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os_ip.PUBLIC: 8041,
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os_ip.ADMIN: 8041,
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os_ip.INTERNAL: 8041,
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}
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}
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default_service = 'gnocchi-api'
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service_type = 'gnocchi'
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services = ['gnocchi-metricd', 'apache2']
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required_relations = ['shared-db', 'identity-service', 'storage-ceph']
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restart_map = {
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GNOCCHI_CONF: services,
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GNOCCHI_WSGI_CONF: ['apache2'],
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CEPH_CONF: services,
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}
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ha_resources = ['vips', 'haproxy']
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release_pkg = 'gnocchi-common'
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package_codenames = {
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'gnocchi-common': collections.OrderedDict([
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('2', 'mitaka'),
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('3', 'newton'),
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('4', 'pike'),
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]),
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}
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sync_cmd = ['gnocchi-upgrade']
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adapters_class = GnocchiCharmRelationAdapaters
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def install(self):
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super(GnocchiCharm, self).install()
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# NOTE(jamespage): always pause gnocchi-api service as we force
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# execution with Apache2+mod_wsgi
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host.service_pause('gnocchi-api')
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def enable_apache2_site(self):
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"""Enable Gnocchi API apache2 site if rendered or installed"""
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if os.path.exists(GNOCCHI_WSGI_CONF):
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check_enabled = subprocess.call(
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['a2query', '-s', GNOCCHI_APACHE_SITE]
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)
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if check_enabled != 0:
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subprocess.check_call(['a2ensite',
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GNOCCHI_APACHE_SITE])
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host.service_reload('apache2',
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restart_on_failure=True)
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def get_database_setup(self):
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return [{
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'database': 'gnocchi',
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'username': 'gnocchi',
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'hostname': hookenv.unit_private_ip() },] |