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-rwxr-xr-xkolla/common/config.py4
-rwxr-xr-xkolla/image/build.py18
2 files changed, 17 insertions, 5 deletions
diff --git a/kolla/common/config.py b/kolla/common/config.py
index eb8d37bee..50b7c2224 100755
--- a/kolla/common/config.py
+++ b/kolla/common/config.py
@@ -209,8 +209,8 @@ _CLI_OPTS = [
help=("Don't build images. Generate Dockerfile only")),
cfg.IntOpt('timeout', default=120,
help='Time in seconds after which any operation times out'),
- cfg.StrOpt('template-override',
- help='Path to template override file'),
+ cfg.MultiOpt('template-override', types.String(),
+ help='Path to template override file'),
cfg.StrOpt('logs-dir', help='Path to logs directory'),
cfg.BoolOpt('pull', default=True,
help='Attempt to pull a newer version of the base image.'),
diff --git a/kolla/image/build.py b/kolla/image/build.py
index 806cbbb12..0f4179200 100755
--- a/kolla/image/build.py
+++ b/kolla/image/build.py
@@ -677,11 +677,11 @@ class KollaWorker(object):
template = env.get_template(tpl_path)
if self.conf.template_override:
- template_path = os.path.dirname(self.conf.template_override)
- template_name = os.path.basename(self.conf.template_override)
+ tpl_dict = self._merge_overrides(self.conf.template_override)
+ template_name = os.path.basename(tpl_dict.keys()[0])
values['parent_template'] = template
env = jinja2.Environment( # nosec: not used to render HTML
- loader=jinja2.FileSystemLoader(template_path))
+ loader=jinja2.DictLoader(tpl_dict))
env.filters.update(self._get_filters())
env.globals.update(self._get_methods())
template = env.get_template(template_name)
@@ -693,6 +693,18 @@ class KollaWorker(object):
f.write(content)
LOG.debug("Wrote it to %s", content_path)
+ def _merge_overrides(self, overrides):
+ tpl_name = os.path.basename(overrides[0])
+ with open(overrides[0], 'r') as f:
+ tpl_content = f.read()
+ for override in overrides[1:]:
+ with open(override, 'r') as f:
+ cont = f.read()
+ # Remove extends header
+ cont = re.sub(r'.*\{\%.*extends.*\n', '', cont)
+ tpl_content += cont
+ return {tpl_name: tpl_content}
+
def find_dockerfiles(self):
"""Recursive search for Dockerfiles in the working directory"""
self.docker_build_paths = list()