106 lines
2.8 KiB
Python
106 lines
2.8 KiB
Python
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#
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# Copyright 2012 Canonical Ltd.
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#
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# Authors:
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# James Page <james.page@ubuntu.com>
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# Paul Collins <paul.collins@canonical.com>
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#
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import socket
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import re
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import os
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from copy import deepcopy
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from collections import OrderedDict
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from charmhelpers.core.hookenv import unit_get
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from charmhelpers.fetch import apt_install
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from charmhelpers.contrib.openstack import context, templating
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import ceph_radosgw_context
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CEPHRG_HA_RES = 'grp_cephrg_vips'
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TEMPLATES_DIR = 'templates'
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TEMPLATES = 'templates/'
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HAPROXY_CONF = '/etc/haproxy/haproxy.cfg'
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BASE_RESOURCE_MAP = OrderedDict([
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(HAPROXY_CONF, {
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'contexts': [context.HAProxyContext(singlenode_mode=True),
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ceph_radosgw_context.HAProxyContext()],
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'services': ['haproxy'],
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}),
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])
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try:
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import jinja2
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except ImportError:
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apt_install('python-jinja2', fatal=True)
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import jinja2
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try:
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import dns.resolver
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except ImportError:
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apt_install('python-dnspython', fatal=True)
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import dns.resolver
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def resource_map():
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'''
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Dynamically generate a map of resources that will be managed for a single
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hook execution.
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'''
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resource_map = deepcopy(BASE_RESOURCE_MAP)
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return resource_map
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# Hardcoded to icehouse to enable use of charmhelper templating/context tools
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# Ideally these function would support non-OpenStack services
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def register_configs(release='icehouse'):
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configs = templating.OSConfigRenderer(templates_dir=TEMPLATES,
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openstack_release=release)
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for cfg, rscs in resource_map().iteritems():
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configs.register(cfg, rscs['contexts'])
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return configs
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def render_template(template_name, context, template_dir=TEMPLATES_DIR):
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templates = jinja2.Environment(
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loader=jinja2.FileSystemLoader(template_dir)
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)
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template = templates.get_template(template_name)
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return template.render(context)
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def enable_pocket(pocket):
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apt_sources = "/etc/apt/sources.list"
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with open(apt_sources, "r") as sources:
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lines = sources.readlines()
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with open(apt_sources, "w") as sources:
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for line in lines:
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if pocket in line:
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sources.write(re.sub('^# deb', 'deb', line))
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else:
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sources.write(line)
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def get_host_ip(hostname=None):
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try:
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if not hostname:
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hostname=unit_get('private-address')
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# Test to see if already an IPv4 address
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socket.inet_aton(hostname)
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return hostname
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except socket.error:
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# This may throw an NXDOMAIN exception; in which case
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# things are badly broken so just let it kill the hook
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answers = dns.resolver.query(hostname, 'A')
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if answers:
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return answers[0].address
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def is_apache_24():
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if os.path.exists('/etc/apache2/conf-available'):
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return True
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else:
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return False
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