1 files changed, 95 insertions, 0 deletions
diff --git a/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/apache.py b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/apache.py
new file mode 100644
index 0000000..d0c6994
--- /dev/null
+++ b/charms/trusty/ceilometer-agent/hooks/charmhelpers/contrib/hahelpers/apache.py
@@ -0,0 +1,95 @@
+# Copyright 2014-2015 Canonical Limited.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#  http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+#
+# Copyright 2012 Canonical Ltd.
+#
+# This file is sourced from lp:openstack-charm-helpers
+#
+# Authors:
+#  James Page <james.page@ubuntu.com>
+#  Adam Gandelman <adamg@ubuntu.com>
+#
+
+import os
+import subprocess
+
+from charmhelpers.core.hookenv import (
+    config as config_get,
+    relation_get,
+    relation_ids,
+    related_units as relation_list,
+    log,
+    INFO,
+)
+
+
+def get_cert(cn=None):
+    # TODO: deal with multiple https endpoints via charm config
+    cert = config_get('ssl_cert')
+    key = config_get('ssl_key')
+    if not (cert and key):
+        log("Inspecting identity-service relations for SSL certificate.",
+            level=INFO)
+        cert = key = None
+        if cn:
+            ssl_cert_attr = 'ssl_cert_{}'.format(cn)
+            ssl_key_attr = 'ssl_key_{}'.format(cn)
+        else:
+            ssl_cert_attr = 'ssl_cert'
+            ssl_key_attr = 'ssl_key'
+        for r_id in relation_ids('identity-service'):
+            for unit in relation_list(r_id):
+                if not cert:
+                    cert = relation_get(ssl_cert_attr,
+                                        rid=r_id, unit=unit)
+                if not key:
+                    key = relation_get(ssl_key_attr,
+                                       rid=r_id, unit=unit)
+    return (cert, key)
+
+
+def get_ca_cert():
+    ca_cert = config_get('ssl_ca')
+    if ca_cert is None:
+        log("Inspecting identity-service relations for CA SSL certificate.",
+            level=INFO)
+        for r_id in relation_ids('identity-service'):
+            for unit in relation_list(r_id):
+                if ca_cert is None:
+                    ca_cert = relation_get('ca_cert',
+                                           rid=r_id, unit=unit)
+    return ca_cert
+
+
+def retrieve_ca_cert(cert_file):
+    cert = None
+    if os.path.isfile(cert_file):
+        with open(cert_file, 'r') as crt:
+            cert = crt.read()
+    return cert
+
+
+def install_ca_cert(ca_cert):
+    if ca_cert:
+        cert_file = ('/usr/local/share/ca-certificates/'
+                     'keystone_juju_ca_cert.crt')
+        old_cert = retrieve_ca_cert(cert_file)
+        if old_cert and old_cert == ca_cert:
+            log("CA cert is the same as installed version", level=INFO)
+        else:
+            log("Installing new CA cert", level=INFO)
+            with open(cert_file, 'w') as crt:
+                crt.write(ca_cert)
+            subprocess.check_call(['update-ca-certificates', '--fresh'])