def removeServerFromCluster(clusterName, serverName):
code = None
reval = None
params = []
params.append(clusterName)
params.append(serverName)
status, clusterid, server_id = get_server(clusterName, serverName)
if status == "-1":
code, reval = "20052", "No cluster " + clusterName + "."
elif status == "-2":
code, reval = "20054", "server " + serverName + " is not in cluster " + clusterName
elif Utils.isOnline(serverName) == False:
code, reval = "22008", "Server " + serverName + " is not online"
if code is not None:
result = Utils.errorCode(code, reval, params)
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
try:
servers = Globals.db.select("server_info", what="*", where="cluster_id=$clusterid", vars=locals())
if len(servers) == 0:
logger.info("This server[" + serverName + "] not contained in table server_info")
return ""
if len(servers) == 1:
Globals.db.delete("server_info", where="id=$server_id", vars=locals())
logger.info("delete server[" + serverName + "] from table server_info")
return ""
for server in servers:
if (Utils.getIPByName(server.name) != Utils.getIPByName(serverName)) and (
server.name.strip() != serverName
):
break
if Utils.isLocalHost(serverName):
status, ip = Utils.getLocal_IP()
else:
ip = Utils.getIPByName(serverName)
status, msg = Utils.executeOnServer(server.name, "gluster --mode=script peer detach " + ip)
if status == -1:
code, reval = (
"26104",
"error when connecting to remote host " + serverName + " from localhost " + server.name + "." + msg,
)
elif status == -2:
code, reval = "26059", "Error when using pub key to connect remote server " + serverName + "." + msg
elif status == 1:
code, reval = "22014", 'Error when executing "gluster --mode=script peer detach ' + ip + '"' + msg
if code is not None:
result = Utils.errorCode(code, reval, params)
web.HTTPError(status="400 Bad Request", data="")
logger.error(reval)
return result
Globals.db.delete("server_info", where="id=$server_id", vars=locals())
return ""
except Exception, e:
code, reval = "22101", "failed to remove server " + serverName + "." + str(e)
logger.error(reval)
result = Utils.errorCode(code, reval, params)
raise web.HTTPError(status="400 Bad Request", data=result)
def operationCluster(clusterName):
try:
cluster_id_info = db.select('cluster_info',where='name=$clusterName' ,what="id",vars=locals())
if len(cluster_id_info) == 0:
code, reval = "20200", "Error ["+clusterName+"] not existed"
else:
data = web.input()
operation = data.operation
status,local_IP = Utils.getLocal_IP()
localIP = local_IP.strip()
cluster_id = cluster_id_info[0].id
server_name_info = db.select('server_info',where='cluster_id=$cluster_id' ,what="name",vars=locals())
if operation == "mount":
for server in server_name_info:
serverName = server.name
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_setup.sh " + serverName
status,message = Utils.executeOnServer(serverName,commandWithArgs)
if status != 0:
code, reval = "21015", "Error when operation[mount] cluster[" + clusterName + "]: mount failure on server[" + serverName + "]"
break
if status == 0:
logger.info("Operation[mount] cluster[" + clusterName + "] successfully!")
return ''
elif operation == "umount":
for server in server_name_info:
serverName = server.name
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_teardown.sh " + serverName
status,message = Utils.executeOnServer(serverName,commandWithArgs)
if status != 0:
code, reval = "21015", "Error when operation[umount] cluster[" + clusterName + "]: umount failure on server[" + serverName + "]"
break
if status == 0:
logger.info("Operation[umount] cluster[" + clusterName + "] successfully!")
return ''
elif operation == "remount":
for server in server_name_info:
serverName = server.name
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_teardown.sh " + serverName
status,message = Utils.executeOnServer(serverName,commandWithArgs)
if status != 0:
code, reval = "21015", "Error when operation[remount] cluster[" + clusterName + "]: umount failure on server[" + serverName + "]"
break
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_setup.sh " + serverName
status,message = Utils.executeOnServer(serverName,commandWithArgs)
if status != 0:
code, reval = "21015", "Error when operation[remount] cluster[" + clusterName + "]: mount failure on server[" + serverName + "]"
break
if status == 0:
logger.info("Operation[remount] cluster[" + clusterName + "] successfully!")
return ''
else:
code, reval = "21014", "Error when operation cluster[" + clusterName + "]: no such operation on cluster"
except Exception, e:
code, reval = "21015", "Error when operation a cluster:" + str(e)
