modify_ansible_hosts_file(cluster_name_suffix_id, action='join_slaves')
except Exception, e:
msg = '{0}. Scale action failed. Cluster rolled back'.format(str(e.args[0]))
set_cluster_state(token, cluster_id, msg)
rollback_scale_cluster(list_of_new_slaves, cyclades, cluster_to_scale, pre_scale_size,ansible=True)
set_cluster_state(token, cluster_id, state=msg, status=status_map[previous_cluster_status],
error=msg)
raise RuntimeError(msg)
finally:
subprocess.call('rm -rf /tmp/{0}'.format(user_id),shell=True)
# Restart hadoop cluster for changes to take effect
state = "Restarting %s for the changes to take effect" % (cluster_to_scale.cluster_name)
set_cluster_state(token, cluster_id, state)
try:
if REVERSE_HADOOP_STATUS[previous_hadoop_status] == 'stop':
ansible_manage_cluster(cluster_id, 'start')
elif REVERSE_HADOOP_STATUS[previous_hadoop_status] == 'start':
ansible_manage_cluster(cluster_id, 'stop')
ansible_manage_cluster(cluster_id, 'start')
except Exception, e:
msg = 'Restarting %s failed with %s. Try to restart it manually.'%(cluster_to_scale.cluster_name,str(e.args[0]))
set_cluster_state(token, cluster_id, state=msg, status=status_map[previous_cluster_status], error=msg)
raise RuntimeError(msg)
state = 'Scaled cluster %s and new cluster size is %d' %(cluster_to_scale.cluster_name,
cluster_to_scale.cluster_size)
set_cluster_state(token, cluster_id, state, status=status_map[previous_cluster_status])
return cluster_to_scale.cluster_name
def hadoop_cluster_action_async(cluster_id, action):
"""
Asynchronous start, stop or format Hadoop cluster task.
"""
result = ansible_manage_cluster(cluster_id, action)
return result
def hadoop_cluster_action_async(cluster_id, action):
"""
Asynchronous start, stop or format Hadoop cluster task.
"""
result = ansible_manage_cluster(cluster_id, action)
return result
