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-rw-r--r--charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/__init__.py15
-rw-r--r--charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/jinja.py40
2 files changed, 55 insertions, 0 deletions
diff --git a/charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/__init__.py b/charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/__init__.py
new file mode 100644
index 0000000..d1400a0
--- /dev/null
+++ b/charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/__init__.py
@@ -0,0 +1,15 @@
+# Copyright 2014-2015 Canonical Limited.
+#
+# This file is part of charm-helpers.
+#
+# charm-helpers is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# charm-helpers is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
diff --git a/charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/jinja.py b/charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/jinja.py
new file mode 100644
index 0000000..c5efb16
--- /dev/null
+++ b/charms/trusty/cassandra/hooks/charmhelpers/contrib/templating/jinja.py
@@ -0,0 +1,40 @@
+# Copyright 2014-2015 Canonical Limited.
+#
+# This file is part of charm-helpers.
+#
+# charm-helpers is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3 as
+# published by the Free Software Foundation.
+#
+# charm-helpers is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public License
+# along with charm-helpers. If not, see <http://www.gnu.org/licenses/>.
+
+"""
+Templating using the python-jinja2 package.
+"""
+import six
+from charmhelpers.fetch import apt_install, apt_update
+try:
+ import jinja2
+except ImportError:
+ apt_update(fatal=True)
+ if six.PY3:
+ apt_install(["python3-jinja2"], fatal=True)
+ else:
+ apt_install(["python-jinja2"], fatal=True)
+ import jinja2
+
+
+DEFAULT_TEMPLATES_DIR = 'templates'
+
+
+def render(template_name, context, template_dir=DEFAULT_TEMPLATES_DIR):
+ templates = jinja2.Environment(
+ loader=jinja2.FileSystemLoader(template_dir))
+ template = templates.get_template(template_name)
+ return template.render(context)