Add support for Jinja2 includes

This replicates the behavior of the custom Jinja2 loader from tripleo-common to
allow template validation on the local filesystem using tox.

Change-Id: I27683ab31187c6334dc5b4b5363a3347874b9a90
Partially-Implements: blueprint overcloud-upgrades-per-service
Depends-On: Idc5c3f49c7a2fc7f3622c76da001992cc657384e
changes/38/425638/2
Oliver Walsh 6 years ago committed by Steven Hardy
parent c349789089
commit 6bdfd93c9c
  1. 9
      tools/process-templates.py

@ -19,6 +19,8 @@ import six
import sys
import yaml
__tht_root_dir = os.path.dirname(os.path.dirname(__file__))
def parse_opts(argv):
parser = argparse.ArgumentParser(
@ -51,9 +53,14 @@ def _j2_render_to_file(j2_template, j2_data, outfile_name=None,
print('ERROR: path already exists for file: %s' % outfile_name)
sys.exit(1)
# Search for templates relative to the current template path first
template_base = os.path.dirname(yaml_f)
j2_loader = jinja2.loaders.FileSystemLoader([template_base, __tht_root_dir])
try:
# Render the j2 template
template = jinja2.Environment().from_string(j2_template)
template = jinja2.Environment(loader=j2_loader).from_string(
j2_template)
r_template = template.render(**j2_data)
except jinja2.exceptions.TemplateError as ex:
error_msg = ("Error rendering template %s : %s"

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