def __do_clear(self, options):
"""Deletes exsiting custom metric descriptors."""
stackdriver = stackdriver_service.make_service(options)
audit_results = stackdriver_descriptors.AuditResults(stackdriver)
descriptor_list = audit_results.descriptor_map.values()
audit_results.unused_descriptors = {
item['type']: item
for item in descriptor_list
}
stackdriver.descriptor_manager.delete_descriptors(
descriptor_list, audit_results)
return audit_results
def process_web_request(self, request, path, params, fragment):
"""Implements CommandHandler."""
options = dict(get_global_options())
options.update(params)
if str(params.get('clear_all')).lower() != 'true':
stackdriver = stackdriver_service.make_service(options)
audit_results = stackdriver_descriptors.AuditResults(stackdriver)
descriptor_list = audit_results.descriptor_map.values()
descriptor_html = '\n<li> '.join(item['type']
for item in descriptor_list)
html = textwrap.dedent("""\
Clearing descriptors requires query parameter
<code>clear_all=true</code>.
<p/>
Here are the {count} custom descriptors:
<ul>
<li>{descriptors}
</ul>
<p/>
<a href="{path}?clear_all=true">Yes, delete everything!</a>
""".format(count=len(descriptor_list),
descriptors=descriptor_html,
path=path))
html_doc = http_server.build_html_document(
html, title='Missing Parameters')
request.respond(400, {'ContentType': 'text/html'}, html_doc)
return
audit_results = self.__do_clear(options)
response_code = (httplib.OK if audit_results.obsoleted_count == 0 else
httplib.INTERNAL_SERVER_ERROR)
headers = {'Content-Type': 'text/plain'}
body = audit_results_to_output(audit_results,
"No custom descriptors to delete.")
request.respond(response_code, headers, body)