def unreserve_resource(agent, role):
""" Unreserves all the resources for the role on the agent.
"""
resources = []
agent_id = agent['id']
reserved_resources_full = agent.get('reserved_resources_full', None)
if not reserved_resources_full:
# doesn't exist
return True
reserved_resources = reserved_resources_full.get(role, None)
if not reserved_resources:
# doesn't exist
return True
for reserved_resource in reserved_resources:
resources.append(reserved_resource)
req_url = urljoin(master_url(), 'unreserve')
data = {
'slaveId': agent_id,
'resources': json.dumps(resources)
}
success = False
try:
response = http.post(req_url, data=data)
success = 200 <= response.status_code < 300
except DCOSHTTPException as e:
print("HTTP {}: Unabled to unreserve resources based on: {}".format(
e.response.status_code,
e.response.text))
return success
def unreserve_resource(agent, role):
""" Unreserves all the resources for the role on the agent.
"""
resources = []
agent_id = agent['id']
reserved_resources_full = agent.get('reserved_resources_full', None)
if not reserved_resources_full:
# doesn't exist
return True
reserved_resources = reserved_resources_full.get(role, None)
if not reserved_resources:
# doesn't exist
return True
for reserved_resource in reserved_resources:
resources.append(reserved_resource)
req_url = urljoin(master_url(), 'unreserve')
data = {
'slaveId': agent_id,
'resources': json.dumps(resources)
}
success = False
try:
response = http.post(req_url, data=data)
success = 200 <= response.status_code < 300
except DCOSHTTPException as e:
print("HTTP {}: Unabled to unreserve resources based on: {}".format(
e.response.status_code,
e.response.text))
return success
def mesos_available_predicate():
url = master_url()
try:
response = http.get(url)
return response.status_code == 200
except Exception as e:
return False
def destroy_volume(agent, role):
""" Deletes the volumes on the specific agent for the role
"""
volumes = []
agent_id = agent['id']
reserved_resources_full = agent.get('reserved_resources_full', None)
if not reserved_resources_full:
# doesn't exist
return True
reserved_resources = reserved_resources_full.get(role, None)
if not reserved_resources:
# doesn't exist
return True
for reserved_resource in reserved_resources:
name = reserved_resource.get('name', None)
disk = reserved_resource.get('disk', None)
if name == 'disk' and disk is not None and 'persistence' in disk:
volumes.append(reserved_resource)
req_url = urljoin(master_url(), 'destroy-volumes')
data = {
'slaveId': agent_id,
'volumes': json.dumps(volumes)
}
success = False
try:
response = http.post(req_url, data=data)
success = 200 <= response.status_code < 300
if response.status_code == 409:
# thoughts on what to do here? throw exception
# i would rather not print
print('''###\nIs a framework using these resources still installed?\n###''')
except DCOSHTTPException as e:
print("HTTP {}: Unabled to delete volume based on: {}".format(
e.response.status_code,
e.response.text))
return success
def destroy_volume(agent, role):
""" Deletes the volumes on the specific agent for the role
"""
volumes = []
agent_id = agent['id']
reserved_resources_full = agent.get('reserved_resources_full', None)
if not reserved_resources_full:
# doesn't exist
return True
reserved_resources = reserved_resources_full.get(role, None)
if not reserved_resources:
# doesn't exist
return True
for reserved_resource in reserved_resources:
name = reserved_resource.get('name', None)
disk = reserved_resource.get('disk', None)
if name == 'disk' and disk is not None and 'persistence' in disk:
volumes.append(reserved_resource)
req_url = urljoin(master_url(), 'destroy-volumes')
data = {
'slaveId': agent_id,
'volumes': json.dumps(volumes)
}
success = False
try:
response = http.post(req_url, data=data)
success = 200 <= response.status_code < 300
if response.status_code == 409:
# thoughts on what to do here? throw exception
# i would rather not print
print('''###\nIs a framework using these resources still installed?\n###''')
except DCOSHTTPException as e:
print("HTTP {}: Unabled to delete volume based on: {}".format(
e.response.status_code,
e.response.text))
return success