def post(self):
try:
# Track actions through different webservices.
uuidcode = request.headers.get('uuidcode', '<no uuidcode>')
app.log.info("uuidcode={} - Spawn Server".format(uuidcode))
app.log.trace("uuidcode={} - Headers: {}".format(
uuidcode, request.headers))
app.log.trace("uuidcode={} - Json: {}".format(
uuidcode, request.json))
# Check for J4J intern token
validate_auth(app.log, uuidcode,
request.headers.get('Intern-Authorization'))
servername = request.headers.get('servername')
# Create header for unicore job
try:
unicore_header, accesstoken, expire = unicore_utils.create_header(
app.log, # @UnusedVariable
uuidcode,
request.headers,
app.urls.get('hub', {}).get('url_proxy_route'),
app.urls.get('hub', {}).get('url_token'),
request.headers.get('escapedusername'),
servername)
except (SpawnException, Exception) as e:
if type(e).__name__ == "SpawnException":
err_msg = str(e)
else:
err_msg = "Unknown Error. An administrator is informed. Please try again in a few minutes"
app.log.exception(
"uuidcode={} - Could not create header for UNICORE/X Job. {} {}"
.format(uuidcode, remove_secret(request.json),
app.urls.get('tunnel', {}).get('url_remote')))
app.log.trace("uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app.log, uuidcode, servername,
request.json.get('system'), request.headers,
app.urls, True, err_msg, False)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
# Return positive status: Administrator is informed and there is nothing we can do here otherwise.
return "", 200
# Create input files for the job. A working J4J_tunnel webservice is required
try:
unicore_input = unicore_utils.create_inputs(
app.log, uuidcode, request.json,
request.headers.get('project'),
app.urls.get('tunnel', {}).get('url_remote'),
request.headers.get('account'))
except (SpawnException, Exception) as e:
if type(e).__name__ == "SpawnException":
err_msg = str(e)
else:
err_msg = "Unknown Error. An administrator is informed. Please try again in a few minutes."
app.log.exception(
"uuidcode={} - Could not create input files for UNICORE/X Job. {} {}"
.format(uuidcode, remove_secret(request.json),
app.urls.get('tunnel', {}).get('url_remote')))
app.log.trace("uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app.log, uuidcode, servername,
request.json.get('system'), request.headers,
app.urls, True, err_msg, False)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
return "", 534
# Create Job description
unicore_file = utils_file_loads.get_unicorex()
if unicore_file.get(request.json.get('system').upper(),
{}).get("UNICORE8", False):
unicore_json = unicore_utils.create_unicore8_job(
app.log, uuidcode, request.json,
request.headers.get('Project'), unicore_input,
request.headers.get('escapedusername'))
else:
unicore_json = unicore_utils.create_job(
app.log, uuidcode, request.json,
request.headers.get('Project'), unicore_input)
# Get URL and certificate to communicate with UNICORE/X
app.log.trace(
"uuidcode={} - FileLoad: UNICORE/X url".format(uuidcode))
unicorex = utils_file_loads.get_unicorex()
url = unicorex.get(request.json.get('system', ''), {}).get(
'link',
'<no_url_found_for_{}>'.format(request.json.get('system')))
app.log.trace(
"uuidcode={} - FileLoad: UNICORE/X url Result: {}".format(
uuidcode, url))
cert = unicorex.get(request.json.get('system', ''),
{}).get('certificate', False)
app.log.trace(
"uuidcode={} - FileLoad: UNICORE/X certificate path Result: {}"
.format(uuidcode, cert))
# Submit Job. It will not be started, because of unicore_json['haveClientStageIn']='true'
kernelurl = ""
try:
hub_communication.status(
app.log, uuidcode,
app.urls.get('hub', {}).get('url_proxy_route'),
app.urls.get('hub', {}).get('url_status'),
request.headers.get('jhubtoken'), 'submitunicorejob',
request.headers.get('escapedusername'), servername)
method = "POST"
method_args = {
"url": url + "/jobs",
"headers": unicore_header,
"data": json.dumps(unicore_json),
"certificate": cert
}
app.log.info("uuidcode={} - Submit UNICORE/X Job to {}".format(
uuidcode, url + "/jobs"))
text, status_code, response_header = unicore_communication.request(
app.log, uuidcode, method, method_args)
if status_code != 201:
app.log.warning(
"uuidcode={} - Could not submit Job. Response from UNICORE/X: {} {} {}."
.format(uuidcode, text, status_code,
remove_secret(response_header)))
if status_code == 500:
app.log.error(
"uuidcode={} - UNICORE RESTART REQUIRED!! {}".
format(
uuidcode,
request.json.get('system',
'<system_unknown>')))
elif status_code == 403 or status_code == 432:
raise SpawnException(
"Invalid token. Please logout and login again.")
else:
app.log.error(
"uuidcode={} - Unexpected status_code. Add case for this status_code."
.format(uuidcode))
raise SpawnException(
"A backend service has to be restarted. An administrator is informed. Please try again in a few minutes."
)
else:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
kernelurl = response_header['Location']
except (SpawnException, Exception) as e:
if type(e).__name__ == "SpawnException":
err_msg = str(e)
else:
err_msg = "Unknown Error. An administrator is informed. Please try again in a few minutes"
app.log.exception(
"uuidcode={} - User message: {} - Could not submit Job. {} {}"
.format(uuidcode, err_msg, method,
remove_secret(method_args)))
app.log.trace("uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app.log, uuidcode, servername,
request.json.get('system'), request.headers,
app.urls, True, err_msg, False)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
return "", 539
# get properties of job
for i in range(5): # @UnusedVariable
properties_json = {}
try:
method = "GET"
method_args = {
"url": kernelurl,
"headers": unicore_header,
"certificate": cert
}
app.log.info(
"uuidcode={} - Get Properties of UNICORE/X Job {}".
format(uuidcode, kernelurl))
text, status_code, response_header = unicore_communication.request(
app.log, uuidcode, method, method_args)
if status_code != 200:
if status_code == 500:
app.log.error(
"uuidcode={} - UNICORE RESTART REQUIRED!! {}".
format(
uuidcode,
request.json.get('system',
'<system_unknown>')))
raise SpawnException(
"A backend service has to be restarted. An administrator is informed. Please try again in a few minutes."
)
else:
app.log.error(
"uuidcode={} - Unexpected status_code. Add case for this status_code."
.format(uuidcode))
if i < 4:
app.log.debug(
"uuidcode={} - Could not get properties of Job. Try again in 2 seconds"
.format(uuidcode))
sleep(2)
else:
app.log.warning(
"uuidcode={} - Could not get properties of Job. Response from UNICORE/X: {} {} {}."
.format(uuidcode, text, status_code,
remove_secret(response_header)))
raise Exception(
"{} - Could not get properties of Job. Throw exception because of wrong status_code: {}"
.format(uuidcode, status_code))
else:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
properties_json = json.loads(text)
if properties_json.get(
'status') == 'UNDEFINED' and i < 4:
app.log.debug(
"uuidcode={} - Received status UNDEFINED. Try again in 2 seconds"
.format(uuidcode))
sleep(2)
else:
break
except (SpawnException, Exception) as e:
if type(e).__name__ == "SpawnException":
err_msg = str(e)
else:
err_msg = "Unknown Error. An administrator is informed. Please try again in a few minutes"
app.log.exception(
"uuidcode={} - Could not get properties of Job. {} {}"
.format(uuidcode, method,
remove_secret(method_args)))
app.log.trace(
"uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app.log, uuidcode, servername,
request.json.get('system'), request.headers,
app.urls, True, err_msg)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run"
.format(uuidcode))
return "", 539
# get file directory
# this will be used in get. Ask it here once and send it to get() afterwards
filedirectory = ""
try:
method = "GET"
method_args = {
"url":
properties_json['_links']['workingDirectory']['href'],
"headers": unicore_header,
"certificate": cert
}
app.log.info(
"uuidcode={} - Get path of file directory of UNICORE/X Job"
.format(uuidcode))
text, status_code, response_header = unicore_communication.request(
app.log, uuidcode, method, method_args)
if status_code != 200:
app.log.error(
"uuidcode={} - Unknown status_code. Please add case for this status_code"
.format(uuidcode))
app.log.warning(
"uuidcode={} - Could not get filedirectory. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
raise Exception(
"{} - Could not get filedirectory. Throw exception because of wrong status_code: {}"
.format(uuidcode, status_code))
else:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
filedirectory = json.loads(text)['_links']['files']['href']
except (SpawnException, Exception) as e:
if type(e).__name__ == "SpawnException":
err_msg = str(e)
else:
err_msg = "Unknown Error. An administrator is informed. Please try again in a few minutes"
app.log.exception(
"uuidcode={} - Could not get filedirectory. {} {}".format(
uuidcode, method, remove_secret(method_args)))
app.log.trace("uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app.log, uuidcode, servername,
request.json.get('system'), request.headers,
app.urls, True, err_msg)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
return "", 539
return "", 201, {
'kernelurl':
kernelurl,
'filedir':
filedirectory,
'X-UNICORE-SecuritySession':
unicore_header.get('X-UNICORE-SecuritySession')
}
except:
app.log.exception("Jobs.post failed. Bugfix required")
def get(app_logger, uuidcode, request_headers, unicore_header, app_urls, cert):
try:
servername = request_headers.get('servername')
if ':' in servername:
servername = servername.split(':')[1]
else:
servername = ''
counter = 0
children = []
status = ''
accesstoken = request_headers.get('accesstoken')
expire = request_headers.get('expire')
while True:
# start with sleep, this function is only called, if .host was not in children
time.sleep(3)
# renew token. This may be run for a long time, so the accesstoken can expire
accesstoken, expire = renew_token(
app_logger, uuidcode, request_headers.get("tokenurl"),
request_headers.get("authorizeurl"),
request_headers.get("refreshtoken"), accesstoken, expire,
request_headers.get('jhubtoken'),
app_urls.get('hub', {}).get('url_proxy_route'),
app_urls.get('hub', {}).get('url_token'),
request_headers.get('escapedusername'),
request_headers.get('servername'))
unicore_header['Authorization'] = 'Bearer {}'.format(accesstoken)
for i in range(3): # @UnusedVariable
properties_json = {}
try:
method = "GET"
method_args = {
"url": request_headers.get('kernelurl'),
"headers": unicore_header,
"certificate": cert
}
app_logger.info(
"uuidcode={} - Get Properties of UNICORE/X Job {}".
format(uuidcode, request_headers.get('kernelurl')))
text, status_code, response_header = unicore_communication.request(
app_logger, uuidcode, method, method_args)
if status_code == 200:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
properties_json = json.loads(text)
if properties_json.get(
'status') == 'UNDEFINED' and i < 4:
app_logger.debug(
"uuidcode={} - Received status UNDEFINED. Try again in 2 seconds"
.format(uuidcode))
time.sleep(2)
else:
break
elif status_code == 404:
if i < 4:
app_logger.debug(
"uuidcode={} - Could not get properties. 404 Not found. Sleep for 2 seconds and try again"
.format(uuidcode))
time.sleep(2)
else:
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator',
{}).get('url_skip'),
request_headers.get('servername'), 'False')
app_logger.error(
"uuidcode={} - Could not get properties. 404 Not found. Do nothing and return. {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
return "", 539
elif status_code == 500:
if i < 4:
app_logger.debug(
"uuidcode={} - Could not get properties. Sleep for 2 seconds and try again"
.format(uuidcode))
time.sleep(2)
else:
app_logger.error(
"uuidcode={} - Could not get properties. system: {}"
.format(
uuidcode,
request_headers.get(
'system', '<system_unknown>')))
app_logger.warning(
"uuidcode={} - Could not get properties. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
app_logger.warning(
"uuidcode={} - Do not send update to JupyterHub."
.format(uuidcode))
# If JupyterHub don't receives an update for a long time it can stop the job itself.
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator',
{}).get('url_skip'),
request_headers.get('servername'), 'False')
return "", 539
else:
app_logger.error(
"uuidcode={} - Unknown status_code. Add case for this"
.format(uuidcode))
if i < 4:
app_logger.debug(
"uuidcode={} - Could not get properties. Sleep for 2 seconds and try again"
.format(uuidcode))
time.sleep(2)
else:
app_logger.warning(
"uuidcode={} - Could not get properties. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
raise Exception(
"{} - Could not get properties. Throw exception because of wrong status_code: {}"
.format(uuidcode, status_code))
except:
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator', {}).get('url_skip'),
request_headers.get('servername'), 'False')
app_logger.exception(
"uuidcode={} - Could not get properties. Try to stop it {} {}"
.format(uuidcode, method, remove_secret(method_args)))
app_logger.trace(
"uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(
app_logger, uuidcode, servername,
request_headers.get('system'), request_headers,
app_urls, True,
"Jupyter@JSC backend error. An administrator is informed. Please try again in a few minutes."
)
except:
app_logger.exception(
"uuidcode={} - Could not stop Job. It may still run"
.format(uuidcode))
return "", 539
if properties_json.get('status') in [
'SUCCESSFUL', 'ERROR', 'FAILED', 'NOT_SUCCESSFUL'
]:
# Job is Finished for UNICORE, so it should be for JupyterHub
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator', {}).get('url_skip'),
request_headers.get('servername'), 'False')
if not properties_json.get(
'statusMessage') == 'Job was aborted by the user.':
app_logger.error(
'uuidcode={} - Get: Job is finished or failed - JobStatus: {}. Send Information to JHub.\n{}'
.format(uuidcode, properties_json.get('status'),
properties_json))
app_logger.trace(
"uuidcode={} - Call stop_job".format(uuidcode))
error_msg = ""
try:
mem = utils_file_loads.map_error_messages()
if properties_json.get('status') in [
'FAILED'
] and properties_json.get('statusMessage') in mem.keys():
error_msg = mem.get(
properties_json.get('statusMessage', ''),
"Could not start your Job. Please check your configuration. An administrator is informed."
)
else:
app_logger.error(
"uuidcode={} - StatusMessage from Failed UNICORE Job not found in /etc/j4j/j4j_mount/j4j_unicore/map_error_messages.json. Please update to have a better user experience"
.format(uuidcode))
error_msg = "Could not start your Job. Please check your configuration. An administrator is informed."
except:
error_msg = "Could not start your Job. Please check your configuration. An administrator is informed."
try:
stop_job(app_logger, uuidcode, servername,
request_headers.get('system'), request_headers,
app_urls, True, error_msg)
except:
app_logger.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
return "", 530
try:
method = "GET"
method_args = {
"url": request_headers.get('filedir'),
"headers": unicore_header,
"certificate": cert
}
text, status_code, response_header = unicore_communication.request(
app_logger, uuidcode, method, method_args)
if status_code == 200:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
# in UNICORE 8 the answer is a bit different
children_json = json.loads(text)
if 'children' in children_json.keys():
children = json.loads(text).get('children', [])
elif 'content' in children_json.keys():
children = list(
json.loads(text).get('content', {}).keys())
else:
app_logger.warning(
"uuidcode={} - Could not find any childrens in {}".
format(uuidcode, text))
children = []
elif status_code == 404:
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator', {}).get('url_skip'),
request_headers.get('servername'), 'False')
app_logger.warning(
"uuidcode={} - Could not get properties. 404 Not found. Do nothing and return. {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
return "", 539
else:
app_logger.warning(
"uuidcode={} - Could not get information about filedirectory. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
raise Exception(
"{} - Could not get information about filedirectory. Throw Exception because of wrong status_code: {}"
.format(uuidcode, status_code))
except:
counter += 1
if counter > 10:
app_logger.error(
"uuidcode={} - Get filelist ({}) failed 10 times over 30 seconds. {} {}"
.format(uuidcode, request_headers.get('filedir'),
method, remove_secret(method_args)))
app_logger.trace(
"uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app_logger, uuidcode, servername,
request_headers.get('system'),
request_headers, app_urls)
except:
app_logger.exception(
"uuidcode={} - Could not stop Job. It may still run"
.format(uuidcode))
app_logger.info(
"uuidcode={} - Get filelist ({}) failed {} time(s)".format(
uuidcode, request_headers.get('filedir'), counter))
hub_communication.status(
app_logger, uuidcode,
app_urls.get('hub', {}).get('url_proxy_route'),
app_urls.get('hub', {}).get('url_status'),
request_headers.get('jhubtoken'), 'waitforhostname',
request_headers.get('escapedusername'), servername)
continue
if '.end' in children or '/.end' in children:
# It's not running anymore
status = 'stopped'
elif '.host' in children or '/.host' in children:
# running, build up tunnel
try:
tunnel_utils.create(
app_logger, uuidcode,
app_urls.get('hub', {}).get('url_proxy_route'),
app_urls.get('tunnel', {}).get('url_tunnel'),
app_urls.get('hub', {}).get('url_cancel'),
request_headers.get('kernelurl'),
request_headers.get('filedir'), unicore_header,
request_headers.get('servername'),
request_headers.get('system'),
request_headers.get('port'), cert,
request_headers.get('jhubtoken'),
request_headers.get('escapedusername'), servername,
app_urls.get('orchestrator', {}).get('url_hostname'))
except:
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator', {}).get('url_skip'),
request_headers.get('servername'), 'False')
app_logger.exception(
"uuidcode={} - Could not create tunnel".format(
uuidcode))
app_logger.trace(
"uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(app_logger, uuidcode, servername,
request_headers.get('system'),
request_headers, app_urls)
except:
app_logger.exception(
"uuidcode={} - Could not stop Job. It may still run"
.format(uuidcode))
return
status = "running"
else:
app_logger.info(
"uuidcode={} - Update JupyterHub status ({})".format(
uuidcode, "waitforhostname"))
hub_communication.status(
app_logger, uuidcode,
app_urls.get('hub', {}).get('url_proxy_route'),
app_urls.get('hub', {}).get('url_status'),
request_headers.get('jhubtoken'), "waitforhostname",
request_headers.get('escapedusername'), servername)
continue
app_logger.info(
"uuidcode={} - Update JupyterHub status ({})".format(
uuidcode, status))
hub_communication.status(
app_logger, uuidcode,
app_urls.get('hub', {}).get('url_proxy_route'),
app_urls.get('hub', {}).get('url_status'),
request_headers.get('jhubtoken'), status,
request_headers.get('escapedusername'), servername)
if status in ['running', 'stopped'] and request_headers.get(
'spawning',
'true').lower() == 'true': # spawning is finished
app_logger.trace(
'uuidcode={} - Tell J4J_Orchestrator that the spawning is done'
.format(uuidcode))
try:
orchestrator_communication.set_spawning(
app_logger, uuidcode,
app_urls.get('orchestrator', {}).get('url_spawning'),
request_headers.get('servername'), 'False')
except:
app_logger.exception(
"uuidcode={} - Could not set spawning to false in J4J_Orchestrator database for {}"
.format(uuidcode, request_headers.get('servername')))
orchestrator_communication.set_skip(
app_logger, uuidcode,
app_urls.get('orchestrator', {}).get('url_skip'),
request_headers.get('servername'), 'False')
return
except:
app_logger.exception("uuidcode={} - Bugfix required".format(uuidcode))
def get(self):
try:
# Track actions through different webservices.
uuidcode = request.headers.get('uuidcode', '<no uuidcode>')
app.log.info("uuidcode={} - Get Server Status".format(uuidcode))
app.log.trace("uuidcode={} - Headers: {}".format(
uuidcode, request.headers))
# Check for J4J intern token
validate_auth(app.log, uuidcode,
request.headers.get('intern-authorization'))
servername = request.headers.get('servername')
# Create UNICORE header and get certificate
try:
unicore_header, accesstoken, expire = unicore_utils.create_header(
app.log, # @UnusedVariable
uuidcode,
request.headers,
app.urls.get('hub', {}).get('url_proxy_route'),
app.urls.get('hub', {}).get('url_token'),
request.headers.get('escapedusername'),
servername)
except (SpawnException, Exception):
app.log.exception(
"uuidcode={} - Could not Create Header. Token from user {} might be revoked. Do nothing and return."
.format(uuidcode, request.headers.get('escapedusername')))
# Return positive status: Administrator is informed and there is nothing we can do here otherwise.
return "", 200
app.log.trace(
"uuidcode={} - FileLoad: UNICORE/X certificate path".format(
uuidcode))
unicorex = utils_file_loads.get_unicorex()
cert = unicorex.get(request.headers.get('system', ''),
{}).get('certificate', False)
app.log.trace(
"uuidcode={} - FileLoad: UNICORE/X certificate path Result: {}"
.format(uuidcode, cert))
# Get Properties of kernelurl
kernelurl = request.headers.get('kernelurl')
for i in range(5): # @UnusedVariable
properties_json = {}
try:
method = "GET"
method_args = {
"url": kernelurl,
"headers": unicore_header,
"certificate": cert
}
app.log.info(
"uuidcode={} - Get Properties of UNICORE/X Job {}".
format(uuidcode, kernelurl))
text, status_code, response_header = unicore_communication.request(
app.log, uuidcode, method, method_args)
if status_code == 200:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
properties_json = json.loads(text)
if properties_json.get(
'status') == 'UNDEFINED' and i < 4:
app.log.debug(
"uuidcode={} - Received status UNDEFINED. Try again in 2 seconds"
.format(uuidcode))
sleep(2)
else:
break
elif status_code == 404:
if i < 4:
app.log.debug(
"uuidcode={} - Could not get properties. 404 Not found. Sleep for 2 seconds and try again"
.format(uuidcode))
sleep(2)
else:
app.log.warning(
"uuidcode={} - Could not get properties. 404 Not found. Stop Job and return. {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_skip'),
request.headers.get('servername'), 'False')
try:
stop_job(app.log, uuidcode, servername,
request.headers.get('system'),
request.headers, app.urls, True, '',
False)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run"
.format(uuidcode))
return "", 539
elif status_code == 500:
if i < 4:
app.log.debug(
"uuidcode={} - Could not get properties. Sleep for 2 seconds and try again"
.format(uuidcode))
sleep(2)
else:
app.log.error(
"uuidcode={} - UNICORE RESTART REQUIRED!!. system: {}"
.format(
uuidcode,
request.headers.get(
'system', '<system_unknown>')))
app.log.warning(
"uuidcode={} - Could not get properties. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
app.log.warning(
"uuidcode={} - Do not send update to JupyterHub."
.format(uuidcode))
# If JupyterHub don't receives an update for a long time it can stop the job itself.
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_skip'),
request.headers.get('servername'), 'False')
return "", 539
else:
app.log.error(
"uuidcode={} - Unknown status_code received. Add case for this: {} {}"
.format(uuidcode, status_code, text))
if i < 4:
app.log.debug(
"uuidcode={} - Could not get properties. Sleep for 2 seconds and try again"
.format(uuidcode))
sleep(2)
else:
app.log.warning(
"uuidcode={} - Could not get properties. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
raise Exception(
"{} - Could not get properties. Throw exception because of wrong status_code: {}"
.format(uuidcode, status_code))
except:
app.log.exception(
"uuidcode={} - Could not get properties. JupyterLab will be still running. {} {}"
.format(uuidcode, method, remove_secret(method_args)))
app.log.warning(
"uuidcode={} - Do not send update to JupyterHub.".
format(uuidcode))
# If JupyterHub don't receives an update for a long time it can stop the job itself.
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator', {}).get('url_skip'),
request.headers.get('servername'), 'False')
return "", 539
if properties_json.get('status') in [
'SUCCESSFUL', 'ERROR', 'FAILED', 'NOT_SUCCESSFUL'
]:
# Job is Finished for UNICORE, so it should be for JupyterHub
if request.headers.get('pollspawner',
'false').lower() == 'true':
app.log.error(
'uuidcode={} - Get (poll spawner): Job is finished or failed - JobStatus: {}. Send Information to JHub. {}'
.format(uuidcode, properties_json.get('status'),
properties_json))
if properties_json.get(
'statusMessage', ''
) == "Failed: Execution was not completed (no exit code file found), please check standard error file <stderr>":
app.log.error(
"uuidcode={} - UNICORE hotfix: do nothing because that's most likely a bug."
.format(uuidcode))
return "", 200
else:
if not properties_json.get(
'statusMessage') == 'Job was aborted by the user.':
app.log.error(
'uuidcode={} - At starting process: Job is finished or failed - JobStatus: {}. Send Information to JHub. {}'
.format(uuidcode, properties_json.get('status'),
properties_json))
app.log.trace("uuidcode={} - Call stop_job".format(uuidcode))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator', {}).get('url_skip'),
request.headers.get('servername'), 'False')
error_msg = ""
try:
mem = utils_file_loads.map_error_messages()
if properties_json.get('status') in [
'FAILED'
] and properties_json.get('statusMessage') in mem.keys():
error_msg = mem.get(
properties_json.get('statusMessage', ''),
"Could not start your Job. Please check your configuration. An administrator is informed."
)
else:
for key, value in mem.items():
if properties_json.get('statusMessage',
'').startswith(key):
error_msg = value
if error_msg == "":
if request.headers.get('pollspawner',
'false').lower() == 'true':
app.log.error(
"uuidcode={} - StatusMessage from Failed UNICORE Job not found in /etc/j4j/j4j_mount/j4j_unicore/map_error_messages.json. Please update to have a better user experience"
.format(uuidcode))
error_msg = "Could not start your Job. Please check your configuration. An administrator is informed."
except:
error_msg = "Could not start your Job. Please check your configuration. An administrator is informed."
try:
stop_job(app.log, uuidcode, servername,
request.headers.get('system'), request.headers,
app.urls, True, error_msg)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
return "", 530
# The Job is not finished yet (good)
# Get Files in the filedir
children = []
for i in range(5): # @UnusedVariable
try:
method = "GET"
method_args = {
"url": request.headers.get('filedir'),
"headers": unicore_header,
"certificate": cert
}
app.log.info(
"uuidcode={} - Get list of files of UNICORE/X Job {}".
format(uuidcode, kernelurl))
text, status_code, response_header = unicore_communication.request(
app.log, uuidcode, method, method_args)
if status_code == 200:
unicore_header[
'X-UNICORE-SecuritySession'] = response_header[
'X-UNICORE-SecuritySession']
# in UNICORE 8 the answer is a bit different
children_json = json.loads(text)
if 'children' in children_json.keys():
children = json.loads(text).get('children', [])
elif 'content' in children_json.keys():
children = list(
json.loads(text).get('content', {}).keys())
else:
app.log.warning(
"uuidcode={} - Could not find any childrens in {}"
.format(uuidcode, text))
children = []
if len(children) == 0 and i < 4:
app.log.debug(
"uuidcode={} - Received empty children list. Try again in 2 seconds"
.format(uuidcode))
sleep(2)
else:
break
elif status_code == 404:
if i < 4:
app.log.debug(
"uuidcode={} - Could not get children list. 404 Not found. Try again in 2 seconds."
.format(uuidcode))
sleep(2)
else:
app.log.error(
"uuidcode={} - Could not get children list. 404 Not found. Do nothing and return. {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_skip'),
request.headers.get('servername'), 'False')
return "", 539
elif status_code == 500:
if i < 4:
app.log.debug(
"uuidcode={} - Could not get children list. Status Code 500. Try again in 2 seconds."
.format(uuidcode))
sleep(2)
else:
app.log.error(
"uuidcode={} - UNICORE/X RESTART REQUIRED".
format(uuidcode))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_skip'),
request.headers.get('servername'), 'False')
return "", 539
else:
if i < 4:
app.log.debug(
"uuidcode={} - Could not get children list. Try again in 2 seconds"
.format(uuidcode))
sleep(2)
else:
app.log.error(
"uuidcode={} - Unknown status code. Add case for this: {} {}"
.format(status_code, text))
app.log.error(
"uuidcode={} - Could not get children list. Do nothing and return. UNICORE/X Response: {} {} {}"
.format(uuidcode, text, status_code,
remove_secret(response_header)))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_skip'),
request.headers.get('servername'), 'False')
return "", 539
except:
app.log.error(
"uuidcode={} - UNICORE/X RESTART REQUIRED".format(
uuidcode))
app.log.exception(
"uuidcode={} - Could not get children list. {} {}".
format(uuidcode, method, remove_secret(method_args)))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator', {}).get('url_skip'),
request.headers.get('servername'), 'False')
return "", 539
# get the 'real' status of the job from the files in the working_directory
# 'real' means: We don't care about Queued, ready, running or something. We just want to know: Is it bad (failed or cancelled) or good (running or spawning)
status = ''
if properties_json.get('status') in [
'QUEUED', 'READY', 'RUNNING', 'STAGINGIN'
]:
if '.end' in children or '/.end' in children:
# It's not running anymore
status = 'stopped'
elif '.tunnel' in children or '/.tunnel' in children:
# It's running and tunnel is up
status = 'running'
elif '.host' in children or '/.host' in children:
if request.headers.get('pollspawner',
'false').lower() == 'true':
# If there's an error when collecting the children list it may happen, that we would try to create a tunnel for a server that's already running for a long time
app.log.error(
'uuidcode={} - Poll Spawner wants to create tunnel. Stop it. Children list: {}'
.format(uuidcode, children))
status = 'running'
else:
# build up tunnel
try:
tunnel_utils.create(
app.log, uuidcode,
app.urls.get('hub', {}).get('url_proxy_route'),
app.urls.get('tunnel', {}).get('url_tunnel'),
app.urls.get('hub',
{}).get('url_cancel'), kernelurl,
request.headers.get('filedir'), unicore_header,
request.headers.get('servername'),
request.headers.get('system'),
request.headers.get('port'), cert,
request.headers.get('jhubtoken'),
request.headers.get('escapedusername'),
servername)
except:
app.log.error(
"uuidcode={} - Could not create Tunnel. Used Parameters: {} {} {} {} {} {} {} {} {} {}"
.format(
uuidcode,
app.urls.get('tunnel',
{}).get('url_tunnel'),
app.urls.get('hub', {}).get('url_cancel'),
kernelurl, request.headers.get('filedir'),
remove_secret(unicore_header),
request.headers.get('servername'),
request.headers.get('system'),
request.headers.get('port'), cert,
'<secret>'))
app.log.trace(
"uuidcode={} - Call stop_job".format(uuidcode))
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_skip'),
request.headers.get('servername'), 'False')
try:
stop_job(
app.log, uuidcode, servername,
request.headers.get('system'),
request.headers, app.urls, True,
"Jupyter@JSC internal error. An administrator is informed. Please try again in a few minutes."
)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run"
.format(uuidcode))
return "", 539
status = 'running'
else:
if request.headers.get('pollspawner',
'false').lower() == 'true':
# If there's an error when collecting the children list it may happen, that we would create a thread to get better information. We just send running and hope for the next run
app.log.error(
'uuidcode={} - Poll Spawner wants to create get_status thread. Prevent it. Children list: {}'
.format(uuidcode, children))
status = 'running'
else:
request_headers = {}
for key, value in request.headers.items():
if 'Token' in key:
key = key.replace('-', '_')
request_headers[key.lower()] = value
app.log.trace(
"uuidcode={} - New Header for Thread: {}".format(
uuidcode, request_headers))
# no .host in children, let's start a thread which looks for it every second
t = Thread(target=jobs_threads.get,
args=(app.log, uuidcode, request_headers,
unicore_header, app.urls, cert))
t.start()
status = 'waitforhostname'
app.log.info(
"uuidcode={} - Update JupyterHub status ({})".format(
uuidcode, status))
hub_communication.status(
app.log, uuidcode,
app.urls.get('hub', {}).get('url_proxy_route'),
app.urls.get('hub', {}).get('url_status'),
request.headers.get('jhubtoken'), status,
request.headers.get('escapedusername'), servername)
if status in ['running', 'stopped'] and request.headers.get(
'spawning',
'true').lower() == 'true': # spawning is finished
app.log.trace(
'uuidcode={} - Tell J4J_Orchestrator that the spawning is done'
.format(uuidcode))
try:
orchestrator_communication.set_spawning(
app.log, uuidcode,
app.urls.get('orchestrator',
{}).get('url_spawning'),
request.headers.get('servername'), 'False')
except:
app.log.exception(
"uuidcode={} - Could not set spawning to false in J4J_Orchestrator database for {}"
.format(uuidcode,
request_headers.get('servername')))
else:
app.log.error('uuidcode={} - Unknown JobStatus: {}'.format(
uuidcode, properties_json.get('status')))
app.log.trace("uuidcode={} - Call stop_job".format(uuidcode))
try:
stop_job(
app.log, uuidcode, servername,
request.headers.get('system'), request.headers,
app.urls, True,
"A backend Service had a problem. An administrator is informed. Please try it again in a few minutes."
)
except:
app.log.exception(
"uuidcode={} - Could not stop Job. It may still run".
format(uuidcode))
if status != 'waitforhostname': # no thread was started, so the check is finished
orchestrator_communication.set_skip(
app.log, uuidcode,
app.urls.get('orchestrator', {}).get('url_skip'),
request.headers.get('servername'), 'False')
except:
app.log.exception("Jobs.get failed. Bugfix required")