def getServersInfo(serverNameInfo,clusterName):
sum = 0
online = 0
serversInfo = []
servers = []
sum = len(serverNameInfo)
totalSpace = Decimal("0.0")
usedSpace = Decimal("0.0")
strs = str(clusterName) + "_servers"
message = Globals.mc.get(strs)
if message is not None:
serversInfo = message
else:
for server in serverNameInfo:
serverName = str(server.name)
servers.append(serverName)
if Utils.isOnline(serverName) == True:
cmd = 'python ' + Globals.BACKEND_SCRIPT + 'get_server_bricks.py'
status,message = Utils.executeOnServer(serverName, cmd)
if status == 0:
if message.strip() != '[]':
message = message.replace("['",'')
message = message.replace("']",'')
info = message.split(':')
usedSpace = usedSpace + Decimal(info[2])
totalSpace = totalSpace + Decimal(info[3])
online = online + 1
serversInfo.append(online)
serversInfo.append(sum)
serversInfo.append(usedSpace)
serversInfo.append(totalSpace)
serversInfo.append(servers)
return serversInfo
def getNeofsStatus(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:
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_status.sh"
status, message = Utils.executeOnServer(serverName, commandWithArgs)
responseDom = XmlHandler.ResponseXml()
tasksTag = responseDom.appendTagRoute("responseStatus")
tasksTag.appendChild(responseDom.createTag("status", message))
logger.info("Get neofs mount status: " + message)
return tasksTag.toxml()
except Exception, e:
code, reval = "22202", "Error when get neofs status on server:" + str(e)
def getOnlineServer(cluster_id):
server_name_info = db.select('server_info',where='cluster_id=$cluster_id' ,what="name",vars=locals())
servers = []
for server in server_name_info:
if Utils.isOnline(server.name) == True:
serverName = server.name
servers.append(serverName.strip())
return servers
def removeServerFromCluster(clusterName, serverName):
code = None
reval = None
params = []
params.append(clusterName)
params.append(serverName)
status, clusterid, server_id = get_server(clusterName, serverName)
if status == "-1":
code, reval = "20052", "No cluster " + clusterName + "."
elif status == "-2":
code, reval = "20054", "server " + serverName + " is not in cluster " + clusterName
elif Utils.isOnline(serverName) == False:
code, reval = "22008", "Server " + serverName + " is not online"
if code is not None:
result = Utils.errorCode(code, reval, params)
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
try:
servers = Globals.db.select("server_info", what="*", where="cluster_id=$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 getServer(clusterName, serverName):
status, cluster_info, server_info = get_server(clusterName, serverName)
code = None
reval = None
if status == "-1":
code, reval = "20052", "No cluster " + clusterName
elif status == "-2":
code, reval = "20054", "No server " + serverName + " 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, [])
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
try:
serverName = str(serverName)
message = Globals.mc.get(serverName + "_server")
if message is not None:
logger.info("Get server[" + serverName + "]'s details from memcache:" + message)
return message
cmd = "python " + Globals.BACKEND_SCRIPT + "get_server_details.py"
status, message = Utils.executeOnServer(serverName, cmd)
if status == -1:
code, reval = "26104", message
elif status == -2:
code, reval = "26059", "Error when using pub key to connect remote server " + serverName + "." + message
elif status == 1:
code, reval = "22002", "error when getting details from server " + serverName + "." + message
if code is not None:
result = Utils.errorCode(code, reval, [])
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
logger.info("Get server[" + serverName + "]'s details by executing get_server_details.py:" + message)
return message
except Exception, e:
code, reval = "22002", "Error when getting servers list:" + str(e)
result = Utils.errorCode(code, reval, [])
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
def getVolumesInfo(clusterName):
strs = str(clusterName) + "_volumes"
message = Globals.mc.get(strs)
if message is not None:
return message
onlineNum = 0
totalNum = 0
volumes = []
cluster_info = Globals.db.select('cluster_info',where='name=$clusterName',what='*',vars=locals())
clusterid = cluster_info[0].id
server_info = Globals.db.select('server_info', where='cluster_id=$clusterid',vars=locals())
for server in server_info:
if Utils.isOnline(str(server.name)) == False:
continue
status, message = Utils.executeOnServer(str(server.name), 'gluster volume list')
if message.strip() != 'No volumes present in cluster':
volumeList = message.split('\n')
if len(volumeList) != 0:
onlineNum = 0
totalNum = 0
volumes = []
for v in volumeList:
if v.strip() != '':
cmd = "python " + Globals.BACKEND_SCRIPT + "get_volumes.py " + v
status,message = Utils.executeOnServer(str(server.name), cmd)
totalNum += 1
volumes.append(v)
if status == 0:
weblog = xml.etree.ElementTree.fromstring(message)
for entry in weblog.findall('status'):
status = entry.text
if status.strip().lower() == 'online':
onlineNum += 1
clusterVolumeInfo = []
clusterVolumeInfo.append(onlineNum)
clusterVolumeInfo.append(totalNum)
clusterVolumeInfo.append(volumes)
return clusterVolumeInfo
def operationServer(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:
data = web.input()
operationName = data.operation
if operationName == "mount":
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_setup.sh " + serverName
status, message = Utils.executeOnServer(serverName, commandWithArgs)
return ""
elif operationName == "umount":
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_teardown.sh " + serverName
status, message = Utils.executeOnServer(serverName, commandWithArgs)
return ""
elif operationName == "remount":
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_teardown.sh " + serverName
status, message = Utils.executeOnServer(serverName, commandWithArgs)
commandWithArgs = "sh " + Globals.BACKEND_SCRIPT + "neofs_setup.sh " + serverName
status, message = Utils.executeOnServer(serverName, commandWithArgs)
return ""
else:
return "22200", "Error no such operation on server"
except Exception, e:
code, reval = "22201", "Error when operation a cluster:" + str(e)
def getServers(clusterName, details="true"):
code = None
reval = None
status, cluster_info, server_info = get_servers(clusterName)
if status == "-1":
code, reval = "20052", "No cluster " + clusterName + "."
result = Utils.errorCode(code, reval, [])
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
if status == "-2":
web.HTTPError(status="200 OK")
logger.info("Servers list is None")
return "<servers></servers>"
try:
responseDom = XmlHandler.ResponseXml()
serversTag = responseDom.appendTagRoute("servers")
if details.lower() != "true":
for server in server_info:
glusterServerTag = responseDom.createTag("glusterServer")
glusterServerTag.appendChild(responseDom.createTag("name", server.name))
glusterServerTag.appendChild(responseDom.createTag("id", server.id))
serversTag.appendChild(glusterServerTag)
web.HTTPError(status="200 OK")
logger.info("Get servers's name list - 200 OK")
return serversTag.toxml()
else:
retval = ""
cmd = "python " + Globals.BACKEND_SCRIPT + "get_server_details.py 2>/dev/null"
offline = []
for server in server_info:
if Utils.isOnline(server.name) == False:
offline.append(server.name)
else:
serverName = str(server.name)
message = Globals.mc.get(serverName + "_server")
if message is not None:
retval += message
else:
status, message = Utils.executeOnServer(server.name, cmd)
if status == -1:
code, reval = "26104", message
elif status == -2:
code, reval = (
"26059",
"Error when using pub key to connect remote server " + server.name + "." + message,
)
elif status == 1:
code, reval = (
"22002",
"error when getting details from server " + server.name + "." + message,
)
if code is not None:
result = Utils.errorCode(code, reval, [])
web.HTTPError(status="400 Bad Request", data="")
logger.error(reval)
return result
retval += message
result = ""
if len(offline):
for server in offline:
serverxml = "<glusterServer><name>" + server + "</name><status>OFFLINE</status></glusterServer>"
result += serverxml
retval += result
if (retval is not None) and (retval.strip() is not ""):
web.HTTPError(status="200 OK")
logger.info("Get servers's details info:" + retval)
return "<servers>" + retval + "</servers>"
except Exception, e:
code, reval = "22002", "Error when getting servers list:" + str(e)
result = Utils.errorCode(code, reval, [])
logger.error(reval)
raise web.HTTPError(status="400 Bad Request", data=result)
serverName = data.serverName
except Exception, e:
code, reval = "22010", "Error when getting servers list:serverName is required" + str(e)
logger.error(reval)
result = Utils.errorCode(code, reval, [])
raise web.HTTPError(status="400 Bad Request", data=result)
status, clusterid, serverid = get_server(clusterName, serverName)
params = []
params.append(clusterName)
params.append(serverName)
if status == "-1":
code, reval = "20052", "No cluster " + clusterName + "."
elif serverid is not None:
code, reval = "20104", "server " + serverName + " is already in cluster " + clusterName + "."
elif not Utils.isOnline(serverName):
code, reval = "22008", 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:
server_info = Globals.db.select("server_info", what="*", where="name=$serverName", vars=locals())
if len(server_info) > 0:
code, reval = (
"22001",
"Error when adding server "
+ serverName
+ " to cluster "
+ clusterName
+ ". server "