com.northernwall.hadrian.workItem.action.VipMigrateAction Maven / Gradle / Ivy
/*
* Copyright 2015 Richard Thurston.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.northernwall.hadrian.workItem.action;
import com.northernwall.hadrian.config.Const;
import com.northernwall.hadrian.domain.Vip;
import com.northernwall.hadrian.domain.WorkItem;
import com.northernwall.hadrian.workItem.Result;
import com.northernwall.hadrian.workItem.dao.CallbackData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class VipMigrateAction extends Action {
private final static Logger LOGGER = LoggerFactory.getLogger(VipMigrateAction.class);
@Override
public Result process(WorkItem workItem) {
Vip vip = dataAccess.getVip(workItem.getService().serviceId, workItem.getVip().vipId);
if (vip == null) {
LOGGER.info("Failed the find vip");
return Result.error;
}
if (vip.getMigration() == 1 && workItem.getVip().migration == 2) {
return migrateStep1(workItem, vip);
} else if (vip.getMigration() == 2 && workItem.getVip().migration == 3) {
return migrateStep2(workItem, vip);
} else if (vip.getMigration() == 2 && workItem.getVip().migration == 2) {
return rollbackStep2(workItem, vip);
} else if (vip.getMigration() == 3 && workItem.getVip().migration == 2) {
return rollbackStep2(workItem, vip);
} else if (vip.getMigration() == 3 && workItem.getVip().migration == 4) {
return migrateStep3(workItem, vip);
} else {
LOGGER.info("Failed to migrating Vip {} for {}, current state {}", workItem.getVip().dns, workItem.getService().serviceName, vip.getMigration());
return Result.error;
}
}
public Result migrateStep1(WorkItem workItem, Vip vip) {
LOGGER.info("Migrating Vip {} 1->2 for {}", workItem.getVip().dns, workItem.getService().serviceName);
vip.setMigration(2);
vip.getMigratedDCs().clear();
vip.getUnmigratedDCs().addAll(configHelper.getConfig().dataCenters);
dataAccess.saveVip(vip);
return Result.success;
}
public Result migrateStep2(WorkItem workItem, Vip vip) {
LOGGER.info("Migrating Vip {} 2->3 for {}", workItem.getVip().dns, workItem.getService().serviceName);
for (String dc : workItem.getVip().migrateDCs) {
if (vip.getMigratedDCs().contains(dc)) {
LOGGER.warn("DC {} selected for migration, but already migrated", dc);
} else {
vip.getMigratedDCs().add(dc);
vip.getUnmigratedDCs().remove(dc);
}
}
if (vip.getUnmigratedDCs().isEmpty()) {
vip.setMigration(3);
}
dataAccess.saveVip(vip);
return Result.success;
}
public Result rollbackStep2(WorkItem workItem, Vip vip) {
LOGGER.info("Rolling back Vip {} {}->2 for {}", workItem.getVip().dns, vip.getMigration(), workItem.getService().serviceName);
vip.setMigration(2);
vip.getMigratedDCs().clear();
vip.getUnmigratedDCs().clear();
vip.getUnmigratedDCs().addAll(configHelper.getConfig().dataCenters);
dataAccess.saveVip(vip);
return Result.success;
}
public Result migrateStep3(WorkItem workItem, Vip vip) {
LOGGER.info("Migrating Vip {} 3->4 for {}", workItem.getVip().dns, workItem.getService().serviceName);
vip.setMigration(4);
vip.getMigratedDCs().clear();
vip.getUnmigratedDCs().clear();
dataAccess.saveVip(vip);
return Result.success;
}
@Override
public Result processCallback(WorkItem workItem, CallbackData callbackData) {
Vip vip = dataAccess.getVip(workItem.getService().serviceId, workItem.getVip().vipId);
if (vip == null) {
LOGGER.info("Failed the find vip");
return Result.error;
}
if (vip.getMigration() == 1 && workItem.getVip().migration == 2) {
return migrateStep1Callback(workItem, vip, callbackData);
} else if (vip.getMigration() == 2 && workItem.getVip().migration == 3) {
return migrateStep2Callback(workItem, vip, callbackData);
} else if (vip.getMigration() == 2 && workItem.getVip().migration == 2) {
return rollbackStep2Callback(workItem, vip, callbackData);
} else if (vip.getMigration() == 3 && workItem.getVip().migration == 2) {
return rollbackStep2Callback(workItem, vip, callbackData);
} else if (vip.getMigration() == 3 && workItem.getVip().migration == 4) {
return migrateStep3Callback(workItem, vip, callbackData);
} else {
LOGGER.info("Failed to migrating Vip {} for {}, current state {}", workItem.getVip().dns, workItem.getService().serviceName, vip.getMigration());
return Result.error;
}
}
public Result migrateStep1Callback(WorkItem workItem, Vip vip, CallbackData callbackData) {
LOGGER.info("Migrating Vip {} 1->2 for {}", workItem.getVip().dns, workItem.getService().serviceName);
vip.setMigration(2);
dataAccess.saveVip(vip);
return Result.success;
}
public Result migrateStep2Callback(WorkItem workItem, Vip vip, CallbackData callbackData) {
LOGGER.info("Migrating Vip {} 2->3 for {}", workItem.getVip().dns, workItem.getService().serviceName);
for (String dc : workItem.getVip().migrateDCs) {
if (vip.getMigratedDCs().contains(dc)) {
LOGGER.warn("DC {} selected for migration, but already migrated", dc);
} else {
vip.getMigratedDCs().add(dc);
vip.getUnmigratedDCs().remove(dc);
}
}
if (vip.getUnmigratedDCs().isEmpty()) {
vip.setMigration(3);
}
dataAccess.saveVip(vip);
return Result.success;
}
public Result rollbackStep2Callback(WorkItem workItem, Vip vip, CallbackData callbackData) {
LOGGER.info("Rolling back Vip {} {}->2 for {}", workItem.getVip().dns, vip.getMigration(), workItem.getService().serviceName);
vip.setMigration(2);
vip.getMigratedDCs().clear();
vip.getUnmigratedDCs().clear();
vip.getUnmigratedDCs().addAll(configHelper.getConfig().dataCenters);
dataAccess.saveVip(vip);
return Result.success;
}
public Result migrateStep3Callback(WorkItem workItem, Vip vip, CallbackData callbackData) {
LOGGER.info("Migrating Vip {} 3->4 for {}", workItem.getVip().dns, workItem.getService().serviceName);
vip.setMigration(4);
vip.getMigratedDCs().clear();
vip.getUnmigratedDCs().clear();
dataAccess.saveVip(vip);
return Result.success;
}
@Override
public void success(WorkItem workItem) {
Vip vip = dataAccess.getVip(workItem.getService().serviceId, workItem.getVip().vipId);
if (vip == null) {
LOGGER.warn("Could not find vip {} being migrated", workItem.getVip().vipId);
return;
}
switch (vip.getMigration()) {
case 2:
messagingCoodinator.sendMessage("VIP '"
+ workItem.getVip().dns
+ "."
+ workItem.getVip().domain
+ "' migration to step 2 was successful. The F5s have been configured, requests are being processed by the A10s",
workItem.getTeam().teamId);
break;
case 3:
messagingCoodinator.sendMessage("VIP '"
+ workItem.getVip().dns
+ "."
+ workItem.getVip().domain
+ "' migration to step 3 was successful. The F5s have been configured and are processing requests",
workItem.getTeam().teamId);
break;
case 4:
messagingCoodinator.sendMessage("VIP '"
+ workItem.getVip().dns
+ "."
+ workItem.getVip().domain
+ "' migration has now been completed",
workItem.getTeam().teamId);
break;
}
}
@Override
public void error(WorkItem workItem) {
Vip vip = dataAccess.getVip(workItem.getService().serviceId, workItem.getVip().vipId);
if (vip == null) {
LOGGER.warn("Could not find vip {} being migrated", workItem.getVip().vipId);
return;
}
dataAccess.updateStatus(
vip.getVipId(),
false,
"Migration step " + vip.getMigration() + " failed %% ago",
Const.STATUS_ERROR);
messagingCoodinator.sendMessage("VIP '"
+ workItem.getVip().dns
+ "."
+ workItem.getVip().domain
+ "' migration step failed. Contact PST and Ops.",
workItem.getTeam().teamId);
}
}
© 2015 - 2025 Weber Informatics LLC | Privacy Policy