def process_yaml_error(exc, data, path=None):
if hasattr(exc, 'problem_mark'):
mark = exc.problem_mark
if mark.line -1 >= 0:
before_probline = data.split("\n")[mark.line-1]
else:
before_probline = ''
probline = data.split("\n")[mark.line]
arrow = " " * mark.column + "^"
msg = """Syntax Error while loading YAML script, %s
Note: The error may actually appear before this position: line %s, column %s
%s
%s
%s""" % (path, mark.line + 1, mark.column + 1, before_probline, probline, arrow)
msg = process_common_errors(msg, probline, mark.column)
else:
# No problem markers means we have to throw a generic
# "stuff messed up" type message. Sry bud.
if path:
msg = "Could not parse YAML. Check over %s again." % path
else:
msg = "Could not parse YAML."
raise errors.AnsibleYAMLValidationFailed(msg)
def parse_yaml_from_file(path):
''' convert a yaml file to a data structure '''
try:
data = file(path).read()
return parse_yaml(data)
except IOError:
raise errors.AnsibleError("file not found: %s" % path)
except yaml.YAMLError, exc:
if hasattr(exc, 'problem_mark'):
mark = exc.problem_mark
if mark.line - 1 >= 0:
before_probline = data.split("\n")[mark.line - 1]
else:
before_probline = ''
probline = data.split("\n")[mark.line]
arrow = " " * mark.column + "^"
msg = """Syntax Error while loading YAML script, %s
Note: The error may actually appear before this position: line %s, column %s
%s
%s
%s""" % (path, mark.line + 1, mark.column + 1, before_probline, probline,
arrow)
else:
# No problem markers means we have to throw a generic
# "stuff messed up" type message. Sry bud.
msg = "Could not parse YAML. Check over %s again." % path
raise errors.AnsibleYAMLValidationFailed(msg)
def process_yaml_error(exc, data, path=None, show_content=True):
if hasattr(exc, 'problem_mark'):
mark = exc.problem_mark
if show_content:
if mark.line - 1 >= 0:
before_probline = data.split("\n")[mark.line - 1]
else:
before_probline = ''
probline = data.split("\n")[mark.line]
arrow = " " * mark.column + "^"
msg = """Syntax Error while loading YAML script, %s
Note: The error may actually appear before this position: line %s, column %s
%s
%s
%s""" % (path, mark.line + 1, mark.column + 1, before_probline, probline,
arrow)
unquoted_var = None
if '{{' in probline and '}}' in probline:
if '"{{' not in probline or "'{{" not in probline:
unquoted_var = True
msg = process_common_errors(msg, probline, mark.column)
if not unquoted_var:
msg = process_common_errors(msg, probline, mark.column)
else:
msg = msg + """
We could be wrong, but this one looks like it might be an issue with
missing quotes. Always quote template expression brackets when they
start a value. For instance:
with_items:
- {{ foo }}
Should be written as:
with_items:
- "{{ foo }}"
"""
msg = process_common_errors(msg, probline, mark.column)
else:
# most likely displaying a file with sensitive content,
# so don't show any of the actual lines of yaml just the
# line number itself
msg = """Syntax error while loading YAML script, %s
The error appears to have been on line %s, column %s, but may actually
be before there depending on the exact syntax problem.
""" % (path, mark.line + 1, mark.column + 1)
else:
# No problem markers means we have to throw a generic
# "stuff messed up" type message. Sry bud.
if path:
msg = "Could not parse YAML. Check over %s again." % path
else:
msg = "Could not parse YAML."
raise errors.AnsibleYAMLValidationFailed(msg)
