def ansible_manage_cluster(cluster_id, action):
"""
Perform an action on a Hadoop cluster depending on the action arg.
Updates database only when starting or stopping a cluster.
"""
cluster = ClusterInfo.objects.get(id=cluster_id)
pre_action_status = cluster.hadoop_status
if action == 'format':
current_hadoop_status = REVERSE_HADOOP_STATUS[cluster.hadoop_status]
else:
current_hadoop_status = action
orka_image = OrkaImage.objects.get(image_name=cluster.os_image)
chosen_image = pithos_images_uuids_properties[orka_image.image_pithos_uuid]
role = chosen_image['role']
ANSIBLE_SEQUENCE = map_command_to_ansible_actions(action,
chosen_image['image'],
pre_action_status)
cluster_name_postfix_id = '%s%s%s' % (cluster.cluster_name, '-',
cluster_id)
hosts_filename = os.getcwd(
) + '/' + ansible_hosts_prefix + cluster_name_postfix_id.replace(" ", "_")
if isfile(hosts_filename):
state = '%s %s' % (HADOOP_STATUS_ACTIONS[action][1],
cluster.cluster_name)
current_task.update_state(state=state)
db_hadoop_update(cluster_id, 'Pending', state)
debug_file_name = "create_cluster_debug_" + hosts_filename.split(
ansible_hosts_prefix, 1)[1] + ".log"
ansible_log = " >> " + os.path.join(os.getcwd(), debug_file_name)
ansible_code_generic = 'ansible-playbook -i {0} {1} {2} -e "choose_role={3} manage_cluster={3}" -t'.format(
hosts_filename, ansible_playbook, ansible_verbosity, role)
for hadoop_action in ANSIBLE_SEQUENCE:
ansible_code = '{0} {1} {2}'.format(ansible_code_generic,
hadoop_action, ansible_log)
execute_ansible_playbook(ansible_code)
msg = 'Cluster %s %s' % (cluster.cluster_name,
HADOOP_STATUS_ACTIONS[action][2])
db_hadoop_update(cluster_id, current_hadoop_status, msg)
return msg
else:
msg = 'Ansible hosts file [%s] does not exist' % hosts_filename
raise RuntimeError(msg)
def ansible_manage_cluster(cluster_id, action):
"""
Perform an action on a Hadoop cluster depending on the action arg.
Updates database only when starting or stopping a cluster.
"""
cluster = ClusterInfo.objects.get(id=cluster_id)
pre_action_status = cluster.hadoop_status
if action == 'format':
current_hadoop_status = REVERSE_HADOOP_STATUS[cluster.hadoop_status]
else:
current_hadoop_status = action
orka_image = OrkaImage.objects.get(image_name=cluster.os_image)
chosen_image = pithos_images_uuids_properties[orka_image.image_pithos_uuid]
role = chosen_image['role']
ANSIBLE_SEQUENCE = map_command_to_ansible_actions(action, chosen_image['image'], pre_action_status)
cluster_name_postfix_id = '%s%s%s' % (cluster.cluster_name, '-', cluster_id)
hosts_filename = os.getcwd() + '/' + ansible_hosts_prefix + cluster_name_postfix_id.replace(" ", "_")
if isfile(hosts_filename):
state = '%s %s' %(HADOOP_STATUS_ACTIONS[action][1], cluster.cluster_name)
current_task.update_state(state=state)
db_hadoop_update(cluster_id, 'Pending', state)
debug_file_name = "create_cluster_debug_" + hosts_filename.split(ansible_hosts_prefix, 1)[1] + ".log"
ansible_log = " >> " + os.path.join(os.getcwd(), debug_file_name)
ansible_code_generic = 'ansible-playbook -i {0} {1} {2} -e "choose_role={3} manage_cluster={3}" -t'.format(hosts_filename, ansible_playbook, ansible_verbosity, role)
for hadoop_action in ANSIBLE_SEQUENCE:
ansible_code = '{0} {1} {2}'.format(ansible_code_generic, hadoop_action, ansible_log)
execute_ansible_playbook(ansible_code)
msg = 'Cluster %s %s' %(cluster.cluster_name, HADOOP_STATUS_ACTIONS[action][2])
db_hadoop_update(cluster_id, current_hadoop_status, msg)
return msg
else:
msg = 'Ansible hosts file [%s] does not exist' % hosts_filename
raise RuntimeError(msg)
def ansible_manage_cluster(cluster_id, action):
"""
Perform an action on a Hadoop cluster depending on the action arg.
Updates database only when starting or stopping a cluster.
"""
cluster = ClusterInfo.objects.get(id=cluster_id)
pre_action_status = cluster.hadoop_status
cluster_status = cluster.cluster_status
if action == 'format':
current_hadoop_status = REVERSE_HADOOP_STATUS[cluster.hadoop_status]
else:
current_hadoop_status = action
image_tags = get_image_category(image_name=cluster.os_image)
decoded_image_tags = decode_json(image_tags['ansible_cluster_config_tags'])
role = decoded_image_tags['role']
ANSIBLE_SEQUENCE = map_command_to_ansible_actions(action, image_tags, pre_action_status)
cluster_name_postfix_id = '%s%s%s' % (cluster.cluster_name, '-', cluster_id)
hosts_filename = os.getcwd() + '/' + ansible_hosts_prefix + cluster_name_postfix_id.replace(" ", "_")
if isfile(hosts_filename):
state = '%s %s' %(HADOOP_STATUS_ACTIONS[action][1], cluster.cluster_name)
current_task.update_state(state=state)
db_hadoop_update(cluster_id, 'Pending', state)
debug_file_name = "create_cluster_debug_" + hosts_filename.split(ansible_hosts_prefix, 1)[1] + ".log"
ansible_log = " >> " + os.path.join(LOGS_PATH, debug_file_name)#change
ansible_code_generic = 'ansible-playbook -i {0} {1} {2} -e "choose_role={3} manage_cluster={3}" -t'.format(hosts_filename, ansible_playbook, ansible_verbosity, role)
for hadoop_action in ANSIBLE_SEQUENCE:
ansible_code = '{0} {1} {2}'.format(ansible_code_generic, hadoop_action, ansible_log)
try:
execute_ansible_playbook(ansible_code)
except Exception, e:
msg = str(e.args[0])
db_hadoop_update(cluster_id, 'undefined', msg)
raise RuntimeError(msg)
msg = 'Cluster %s %s' %(cluster.cluster_name, HADOOP_STATUS_ACTIONS[action][2])
db_hadoop_update(cluster_id, current_hadoop_status, msg)
return msg
