def find_metric(request):
"""Autocomplete helper on metric names."""
try:
query = str(request.REQUEST['q'])
except:
return HttpResponseBadRequest(content="Missing required parameter 'q'",
content_type="text/plain")
matches = list(STORE.find(query + "*"))
content = "\n".join([node.path for node in matches])
response = HttpResponse(content, content_type='text/plain')
return response
def search_view(request):
try:
query = str( request.REQUEST['query'] )
except:
return HttpResponseBadRequest(content="Missing required parameter 'query'",
content_type="text/plain")
search_request = {
'query' : query,
'max_results' : int( request.REQUEST.get('max_results', 25) ),
'keep_query_pattern' : int(request.REQUEST.get('keep_query_pattern', 0)),
}
#if not search_request['query'].endswith('*'):
# search_request['query'] += '*'
results = sorted(searcher.search(**search_request))
return json_response_for(request, dict(metrics=results))
def find_view(request):
"View for finding metrics matching a given pattern"
profile = getProfile(request)
queryParams = request.GET.copy()
queryParams.update(request.POST)
format = queryParams.get('format', 'treejson')
local_only = int(queryParams.get('local', 0))
wildcards = int(queryParams.get('wildcards', 0))
fromTime = int(queryParams.get('from', -1))
untilTime = int(queryParams.get('until', -1))
nodePosition = int(queryParams.get('position', -1))
jsonp = queryParams.get('jsonp', False)
if fromTime == -1:
fromTime = None
if untilTime == -1:
untilTime = None
automatic_variants = int(queryParams.get('automatic_variants', 0))
try:
query = str(queryParams['query'])
except:
return HttpResponseBadRequest(
content="Missing required parameter 'query'",
content_type='text/plain')
if '.' in query:
base_path = query.rsplit('.', 1)[0] + '.'
else:
base_path = ''
if format == 'completer':
query = query.replace('..', '*.')
if not query.endswith('*'):
query += '*'
if automatic_variants:
query_parts = query.split('.')
for i, part in enumerate(query_parts):
if ',' in part and '{' not in part:
query_parts[i] = '{%s}' % part
query = '.'.join(query_parts)
try:
matches = list(STORE.find(query, fromTime, untilTime,
local=local_only))
except:
log.exception()
raise
log.info('find_view query=%s local_only=%s matches=%d' %
(query, local_only, len(matches)))
matches.sort(key=lambda node: node.name)
log.info(
"received remote find request: pattern=%s from=%s until=%s local_only=%s format=%s matches=%d"
% (query, fromTime, untilTime, local_only, format, len(matches)))
if format == 'treejson':
content = tree_json(matches,
base_path,
wildcards=profile.advancedUI or wildcards)
response = json_response_for(request, content, jsonp=jsonp)
elif format == 'nodelist':
content = nodes_by_position(matches, nodePosition)
response = json_response_for(request, content, jsonp=jsonp)
elif format == 'pickle':
content = pickle_nodes(matches)
response = HttpResponse(content, content_type='application/pickle')
elif format == 'completer':
results = []
for node in matches:
node_info = dict(path=node.path,
name=node.name,
is_leaf=str(int(node.is_leaf)))
if not node.is_leaf:
node_info['path'] += '.'
results.append(node_info)
if len(results) > 1 and wildcards:
wildcardNode = {'name': '*'}
results.append(wildcardNode)
response = json_response_for(request, {'metrics': results},
jsonp=jsonp)
else:
return HttpResponseBadRequest(
content="Invalid value for 'format' parameter",
content_type='text/plain')
response['Pragma'] = 'no-cache'
response['Cache-Control'] = 'no-cache'
return response
def find_view(request):
"View for finding metrics matching a given pattern"
queryParams = request.GET.copy()
queryParams.update(request.POST)
format = queryParams.get('format', 'treejson')
leaves_only = queryParamAsInt(queryParams, 'leavesOnly', 0)
local_only = queryParamAsInt(queryParams, 'local', 0)
wildcards = queryParamAsInt(queryParams, 'wildcards', 0)
tzinfo = pytz.timezone(settings.TIME_ZONE)
if 'tz' in queryParams:
try:
value = queryParams['tz']
tzinfo = pytz.timezone(value)
except pytz.UnknownTimeZoneError:
pass
except Exception as e:
raise InputParameterError(
'Invalid value {value} for param tz: {err}'.format(
value=repr(value), err=str(e)))
if 'now' in queryParams:
try:
value = queryParams['now']
now = parseATTime(value, tzinfo)
except Exception as e:
raise InputParameterError(
'Invalid value {value} for param now: {err}'.format(
value=repr(value), err=str(e)))
else:
now = datetime.now(tzinfo)
if 'from' in queryParams and str(queryParams['from']) != '-1':
try:
value = queryParams['from']
fromTime = int(epoch(parseATTime(value, tzinfo, now)))
except Exception as e:
raise InputParameterError(
'Invalid value {value} for param from: {err}'.format(
value=repr(value), err=str(e)))
else:
fromTime = -1
if 'until' in queryParams and str(queryParams['until']) != '-1':
try:
value = queryParams['until']
untilTime = int(epoch(parseATTime(value, tzinfo, now)))
except Exception as e:
raise InputParameterError(
'Invalid value {value} for param until: {err}'.format(
value=repr(value), err=str(e)))
else:
untilTime = -1
nodePosition = queryParamAsInt(queryParams, 'position', -1)
jsonp = queryParams.get('jsonp', False)
forward_headers = extractForwardHeaders(request)
if fromTime == -1:
fromTime = None
if untilTime == -1:
untilTime = None
automatic_variants = queryParamAsInt(queryParams, 'automatic_variants', 0)
try:
query = str(queryParams['query'])
except KeyError:
raise InputParameterError('Missing required parameter \'query\'')
if query == '':
raise InputParameterError('Required parameter \'query\' is empty')
if '.' in query:
base_path = query.rsplit('.', 1)[0] + '.'
else:
base_path = ''
if format == 'completer':
query = query.replace('..', '*.')
if not query.endswith('*'):
query += '*'
if automatic_variants:
query_parts = query.split('.')
for i, part in enumerate(query_parts):
if ',' in part and '{' not in part:
query_parts[i] = '{%s}' % part
query = '.'.join(query_parts)
try:
matches = list(
STORE.find(
query,
fromTime,
untilTime,
local=local_only,
headers=forward_headers,
leaves_only=leaves_only,
))
except Exception:
log.exception()
raise
log.info('find_view query=%s local_only=%s matches=%d' %
(query, local_only, len(matches)))
matches.sort(key=lambda node: node.name)
log.info(
"received remote find request: pattern=%s from=%s until=%s local_only=%s format=%s matches=%d"
% (query, fromTime, untilTime, local_only, format, len(matches)))
if format == 'treejson':
profile = getProfile(request)
content = tree_json(matches,
base_path,
wildcards=profile.advancedUI or wildcards)
response = json_response_for(request, content, jsonp=jsonp)
elif format == 'nodelist':
content = nodes_by_position(matches, nodePosition)
response = json_response_for(request, content, jsonp=jsonp)
elif format == 'pickle':
content = pickle_nodes(matches)
response = HttpResponse(content, content_type='application/pickle')
elif format == 'msgpack':
content = msgpack_nodes(matches)
response = HttpResponse(content, content_type='application/x-msgpack')
elif format == 'json':
content = json_nodes(matches)
response = json_response_for(request, content, jsonp=jsonp)
elif format == 'completer':
results = []
for node in matches:
node_info = dict(path=node.path,
name=node.name,
is_leaf=str(int(node.is_leaf)))
if not node.is_leaf:
node_info['path'] += '.'
results.append(node_info)
if len(results) > 1 and wildcards:
wildcardNode = {'name': '*'}
results.append(wildcardNode)
response = json_response_for(request, {'metrics': results},
jsonp=jsonp)
else:
return HttpResponseBadRequest(
content="Invalid value for 'format' parameter",
content_type='text/plain')
response['Pragma'] = 'no-cache'
response['Cache-Control'] = 'no-cache'
return response
