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-rwxr-xr-xdeploy/templater.py41
1 files changed, 30 insertions, 11 deletions
diff --git a/deploy/templater.py b/deploy/templater.py
index 6b41e1f3c..bda60c7fe 100755
--- a/deploy/templater.py
+++ b/deploy/templater.py
@@ -12,6 +12,7 @@
import io
import re
import yaml
+import urllib2
from common import(
err,
ArgParser,
@@ -29,10 +30,29 @@ class Templater(object):
self.output_file = output_file
self.base = self.load_yaml(base_file)
- def load_yaml(self, filename):
+ def is_url(self, filespec):
+ regex = re.compile('^([^/:]+)://')
+ return re.search(regex, filespec)
+
+ def load_template(self, filespec):
+ try:
+ if(self.is_url(filespec)):
+ response = urllib2.urlopen(filespec)
+ return response.read()
+ else:
+ with io.open(filespec) as f:
+ return f.readlines()
+ except Exception as error:
+ err('Error opening template file: %s' % error)
+
+ def load_yaml(self, filespec):
try:
- with io.open(filename) as yaml_file:
- return yaml.load(yaml_file)
+ if(self.is_url(filespec)):
+ response = urllib2.urlopen(filespec)
+ return yaml.load(response)
+ else:
+ with io.open(filespec) as f:
+ return yaml.load(f)
except Exception as error:
err('Error opening YAML file: %s' % error)
@@ -147,12 +167,11 @@ class Templater(object):
regex = re.compile(re.escape(TAG_START) + r'([a-z].+)' + re.escape(TAG_END),
flags=re.IGNORECASE)
- with io.open(self.template_file) as f:
- for line in f:
- indent = self.get_indent(line)
- result += re.sub(regex,
- lambda match: self.parse_tag(match.group(1), indent),
- line)
+ for line in self.load_template(self.template_file):
+ indent = self.get_indent(line)
+ result += re.sub(regex,
+ lambda match: self.parse_tag(match.group(1), indent),
+ line)
self.save_yaml(self.output_file, result)
@@ -164,9 +183,9 @@ template variable substitution and write the results to 'output_file'.'''
parser = ArgParser(prog='python %s' % __file__,
description=description)
parser.add_argument('base_file',
- help='Base YAML filename')
+ help='Base YAML file or URL')
parser.add_argument('template_file',
- help='Fragment filename')
+ help='Template file or URL')
parser.add_argument('output_file',
help='Output filename')