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template debugging

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* more formatting of errors
* logging of steps
* better handling of edge cases
This commit is contained in:
James Michael DuPont 2015-01-10 13:25:01 -06:00
parent 0e935486de
commit c65af6a8f5
2 changed files with 30 additions and 8 deletions
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25
salt/template.py
View File

@ -37,6 +37,10 @@ def compile_template(template,
derived from the template.
'''
# if any error occurs, we return an empty dictionary
ret = {}
log.debug('compile template: {0}'.format(template))
# We "map" env to the same as saltenv until Boron is out in order to follow the same deprecation path
kwargs.setdefault('env', saltenv)
salt.utils.warn_until(
@ -48,13 +52,16 @@ def compile_template(template,
# Template was specified incorrectly
if not isinstance(template, string_types):
return {}
log.error('Template was specified incorrectly: {0}'.format(template))
return ret
# Template does not exists
if not os.path.isfile(template):
return {}
log.error('Template does not exists: {0}'.format(template))
return ret
# Template is an empty file
if salt.utils.is_empty(template):
return {}
log.error('Template is an empty file: {0}'.format(template))
return ret
# Get the list of render funcs in the render pipe line.
render_pipe = template_shebang(template, renderers, default)
@ -64,14 +71,16 @@ def compile_template(template,
input_data = ifile.read()
if not input_data.strip():
# Template is nothing but whitespace
return {}
log.error('Template is nothing but whitespace: {0}'.format(template))
return ret
input_data = string_io(input_data)
for render, argline in render_pipe:
try:
input_data.seek(0)
except Exception:
pass
except Exception as exp:
log.error('error: {0}:\n{1}'.format(exp))
render_kwargs = dict(renderers=renderers, tmplpath=template)
render_kwargs.update(kwargs)
if argline:
@ -88,8 +97,8 @@ def compile_template(template,
template,
ret.read()))
ret.seek(0)
except Exception:
pass
except Exception as exp:
log.error('error: {0}'.format(exp))
return ret

13
salt/utils/templates.py
View File

@ -104,6 +104,7 @@ def wrap_tmpl_func(render_str):
output = os.linesep.join(output.splitlines())
except SaltRenderError as exc:
log.error("Rendering exception occured :{0}".format(exc))
#return dict(result=False, data=str(exc))
raise
except Exception:
@ -290,6 +291,11 @@ def render_jinja_tmpl(tmplstr, context, tmplpath=None):
template.globals.update(unicode_context)
output = template.render(**unicode_context)
except jinja2.exceptions.TemplateSyntaxError as exc:
print exc
print out
print line
print tmplstr
trace = traceback.extract_tb(sys.exc_info()[2])
line, out = _get_jinja_error(trace, context=unicode_context)
if not line:
@ -325,6 +331,13 @@ def render_jinja_tmpl(tmplstr, context, tmplpath=None):
tmplstr = ''
else:
tmplstr += '\n{0}'.format(tracestr)
log.debug("Jinja Error")
log.debug("Exception: {0}".format(exc))
log.debug("Out: {0}".format(out))
log.debug("Line: {0}".format(line))
log.debug("TmplStr: {0}".format(tmplstr))
log.debug("TraceStr: {0}".format(tracestr))
raise SaltRenderError('Jinja error: {0}{1}'.format(exc, out),
line,
tmplstr,