def post(self):
if self.arguments:
# Parse each param
data = self.arguments
if 'name' not in list(data.keys()) or 'xml' not in list(
data.keys()) or 'reload' not in list(data.keys()):
self.finish(
'{"result":"error","description":"Error requests params"}')
else:
try:
t_name = data['name']
t_xml = data['xml']
t_reload = data['reload']
except Exception as e:
api_logger.error("Error requests params: " + str(e))
self.write(
'{"result":"error","description":"Error requests params","debug":"'
+ str(e) + '"}')
## STOP TOPOLOGY
topo_info = stormuiapi.getTopologySummaryByName(t_name)
api_logger.debug("Stopping topology " + t_name)
if topo_info:
topo_id = topo_info["id"]
response = stormuiapi.killTopology(topo_id, "0")
if response["status"] == "KILLED":
## Topology Killed
# Change state on mongo
moncon = MongoHandler()
moncon.mongoStartCon()
moncon.updateState(t_name, "hold")
for i in range(4):
response = stormuiapi.getTopologySummaryByName(t_name)
if not response:
api_logger.info("Topology " + t_name + " killed.")
break
time.sleep(5)
else:
api_logger.debug(
"Topology " + t_name +
" couldn't be stopped on time. Waiting 5 sec more..."
)
time.sleep(5)
if t_reload == "true":
# Use global jar /var/storm/lastjar/file.jar
jar_path = options.storm_global_jar_path + options.storm_global_jar_bin
else:
# Use last jar /var/storm/topologies/{name}/jar/file.jar
jar_path = options.storm_topology_data_path + str(
t_name
) + options.storm_topology_jar_path + storm_global_jar_bin
#
# Create xml file
# /var/storm/{topologyname}/config/
try:
with open(
options.storm_topology_path + str(t_name) +
options.storm_topology_config_path +
str(t_name) + ".xml", "w") as builder_file:
builder_file.write(str(t_xml))
except Exception:
self.finish(
'{"result":"error","description":"Internal error"}'
)
# Launch topology
# /opt/sinfonier/storm/bin/storm
# jar /var/storm/lastjar/sinfonier-community-1.0.0.jar com.sinfonier.DynamicTopology
# /var/storm/{topologyname}/config/TOPOLOGY_NAME.xml TOPOLOGY_NAME
api_logger.debug("Restarting topology " + t_name + ".")
cmd_launch = options.storm_binary + " jar " + jar_path + " com.sinfonier.DynamicTopology " + \
options.storm_topology_path + str(
t_name) + options.storm_topology_config_path + str(t_name) + ".xml " + str(t_name)
cmd = execCommand(cmd_launch)
# Get output and error
(output, err) = cmd.execute()
if err:
# Change state on mongo
moncon = MongoHandler()
moncon.mongoStartCon()
moncon.updateStoppedState(t_name)
moncon.mongoStopCon()
self.finish(
'{"result":"error","description":"Error launching topology","detail":"'
+ str(err) + '"}')
else:
api_logger.info("Topology " + t_name +
" updated successfully")
# Change state on mongo
moncon = MongoHandler()
moncon.mongoStartCon()
moncon.updateRunningState(t_name)
moncon.mongoStopCon()
self.write(
'{"result":"success","description":"Topology restarted."}'
)
else:
# TOPOLOGY NOT KILLED
self.finish(
'{"result":"error","description":"Error stopping topology","detail":"Not killed"}'
)
else:
self.finish(
'{"result":"error","description":"Content-Type:application/json missing"}'
)
def post(self):
if self.arguments:
api_logger.info("HEADERS: " + str(self.request))
# Parse each param
data = self.arguments
if 'name' not in list(data.keys()) or 'xml' not in list(
data.keys()) or 'reload' not in list(data.keys()):
api_logger.error("Error requests params")
self.finish(
'{"result":"error","description":"Error requests params"}')
else:
try:
t_name = data['name']
t_xml = data['xml']
api_logger.info("XML: " + str(t_xml))
t_reload = data['reload']
except Exception as e:
api_logger.error("Error requests params" + str(e))
self.write(
'{"result":"error","description":"Error requests params","debug":"'
+ str(e) + '"}')
u = Utils()
try:
# Create folder (named as topology name) if not exists
u.checkAndcreate(options.storm_topology_path + str(t_name),
"storm", "storm")
try:
# Create folder /var/storm/topologies/{name}/config if not exists
u.checkAndcreate(
options.storm_topology_path + str(t_name) +
options.storm_topology_config_path, "storm", "storm")
try:
# Create folder /data/storm/topologies/{name}/jar if not exists
u.checkAndcreate(
options.storm_topology_data_path + str(t_name) +
options.storm_topology_jar_path, "storm", "storm")
except Exception as e:
api_logger.error("Error on Create folder " +
options.storm_topology_data_path +
str(t_name) +
options.storm_topology_jar_path +
" if not exists. " + str(e))
except Exception as e:
api_logger.error("Error on Create folder " +
options.storm_topology_path +
str(t_name) +
options.storm_topology_config_path +
" if not exists. " + str(e))
except Exception as e:
api_logger.error(
"Error on Create folder (named as topology name) if not exists. "
+ str(e))
if t_reload:
# Use global jar /var/storm/lastjar/file.jar
jar_path = options.storm_global_jar_path + options.storm_global_jar_bin
else:
# Use last jar /var/storm/topologies/{name}/jar/file.jar
jar_path = options.storm_topology_data_path + str(
t_name
) + options.storm_topology_jar_path + storm_global_jar_bin
#
# Create xml file
# /var/storm/{topologyname}/config/
try:
with open(
options.storm_topology_path + str(t_name) +
options.storm_topology_config_path + str(t_name) +
".xml", "w") as builder_file:
builder_file.write(str(t_xml))
except Exception as e:
api_logger.error("Error creating config file. " + str(e))
self.finish(
'{"result":"error","description":"Error creating config file."}'
)
# Launch topology
# <STORM_BINARY_PATH>/storm
# jar /var/storm/lastjar/sinfonier-community-1.0.0.jar com.sinfonier.DynamicTopology
# /var/storm/{topologyname}/config/TOPOLOGY_NAME.xml TOPOLOGY_NAME
cmd_launch = options.storm_binary + " jar " + jar_path + " com.sinfonier.DynamicTopology " + \
options.storm_topology_path + str(t_name) + options.storm_topology_config_path + str(t_name) + ".xml " + str(t_name)
cmd = execCommand(cmd_launch)
# Get output and error
(output, err) = cmd.execute()
if err:
try:
error = err.split("\n")[0].replace('"', '#')
error = error.split("\n")[0].replace('`', '#')
except Exception as e:
api_logger.error("Error getting exception from JAVA.")
error = "Unkown error"
api_logger.error(
"Error executing launching topology command. " + str(err))
self.finish(
'{"result":"error","description":"Error launching topology", "detail":"'
+ str(error) + '"}')
else:
api_logger.debug("Command output: " + str(output))
errorDebug = False
warDebug = False
dedugStack = ""
warStack = ""
fDate = ""
for line in output.splitlines():
if "ERROR" in line:
errorDebug = True
api_logger.error(
"Found ERROR TAG: Error launching topology. " +
str(dedugStack))
dedugStack = line
break
if errorDebug:
self.finish(
'{"result":"error","description":"Error launching topology", "detail":"'
+ str(dedugStack) + '"}')
else:
# Change state on mongo
moncon = MongoHandler()
moncon.mongoStartCon()
moncon.updateRunningState(t_name)
moncon.mongoStopCon()
self.finish(
'{"result":"success","description":"Topology running"}'
)
else:
api_logger.error("Content-Type:application/json missing")
self.finish(
'{"result":"error","description":"Content-Type:application/json missing"}'
)
def post(self):
if self.arguments:
# Parse each param
data = self.arguments
if 'name' not in list(data.keys()):
self.finish(
'{"result":"error","description":"Error requests params"}')
else:
t_name = ""
try:
t_name = data['name']
except Exception as e:
api_logger.error("Error requests params: " + str(e))
self.write(
'{"result":"error","description":"Error requests params","debug":"'
+ str(e) + '"}')
## Get Topology ID
topo_info = stormuiapi.getTopologySummaryByName(t_name)
if topo_info:
topo_id = topo_info["id"]
api_logger.debug("Stopping topology " + t_name)
response = stormuiapi.killTopology(topo_id, "0")
if response["status"] == "KILLED":
# Change state on mongo
moncon = MongoHandler()
moncon.mongoStartCon()
moncon.updateStoppedState(t_name)
moncon.mongoStopCon()
# Delete worker file
try:
os.remove(options.storm_topology_path + t_name +
"/worker")
except:
api_logger.debug(
"Error removing worker file of topology " +
t_name + ". Continuing...")
self.finish(
'{"result":"success","description":"Topology stopped"}'
)
else:
api_logger.error("Topology '" + t_name +
"' couldn't be stopped")
api_logger.error(json.dumps(response))
self.write(
'{"result":"error","description":"Topology "' +
t_name + '" could not be stopped",'
'"debug":""}')
else:
api_logger.error("Topology '" + t_name + "' not found")
self.write('{"result":"error","description":"Topology '
"+t_name+"
' not found","debug":""}')
else:
self.finish(
'{"result":"error","description":"Content-Type:application/json missing"}'
)