277 domain group webhook

MR is draft because:

• We have problems with spring dev tools and quartz deserialize custom objects. Spring boot dev tools is using different class loader than Quartz. I need to pass a DomainGroupView because of delete action. Unfortunately, this could not work with Spring Dev tools. We need to decide if we need Spring Dev tools (useful for sure). Otherwise, I need to try implement a custom deserialize.
• Does any test for DomainGroup crud actions exists? Should I create a new one including webhook check?

src/main/java/net/geant/nmaas/orchestration/jobs/DomainGroupJob.java

+package net.geant.nmaas.orchestration.jobs;
+
+import lombok.extern.slf4j.Slf4j;
+import net.geant.nmaas.orchestration.exceptions.WebServiceCommunicationException;
+import net.geant.nmaas.portal.api.domain.DomainGroupView;
+import net.geant.nmaas.portal.api.domain.DomainGroupWebhookDto;
+import net.geant.nmaas.portal.api.domain.WebhookEventDto;
+import net.geant.nmaas.portal.api.exception.MissingElementException;
+import net.geant.nmaas.portal.persistent.entity.WebhookEventType;
+import net.geant.nmaas.portal.service.WebhookEventService;
+import org.modelmapper.ModelMapper;
+import org.quartz.JobDataMap;
+import org.quartz.JobExecutionContext;
+import org.quartz.JobExecutionException;
+import org.springframework.beans.factory.annotation.Autowired;
+import org.springframework.stereotype.Component;
+import org.springframework.web.client.RestClient;
+
+import java.security.GeneralSecurityException;
+
+@Slf4j
+@Component
+public class DomainGroupJob extends WebhookJob {
+
+    @Autowired
+    public DomainGroupJob(RestClient restClient, WebhookEventService webhookEventService, ModelMapper modelMapper) {
+        super(restClient, webhookEventService, modelMapper);
+    }
+
+    @Override
+    public void execute(JobExecutionContext context) throws JobExecutionException {
+        JobDataMap dataMap = context.getJobDetail().getJobDataMap();
+        Long webhookId = dataMap.getLong("webhookId");
+        String action = dataMap.getString("action");
+        DomainGroupView domainGroup = (DomainGroupView) dataMap.get("domainGroup");
+
+        try {
+            WebhookEventDto webhook = webhookEventService.getById(webhookId);
+            if (!WebhookEventType.DOMAIN_GROUP_CHANGE.equals(webhook.getEventType())) {
+                log.warn("Webhook's event type with id {} has been updated. DomainGroupJob is abandoned", webhookId);
+                return;
+            }
+            DomainGroupWebhookDto view = new DomainGroupWebhookDto(domainGroup, action);
+            callWebhook(webhook, view);
+        } catch (GeneralSecurityException e) {
+            log.error("Failed to decrypt webhook with id {}", webhookId);
+            throw new JobExecutionException("Failed webhook decryption");
+        } catch (MissingElementException e) {
+            log.warn("Webhook does not exist. DomainGroupJob is abandoned");
+        } catch (WebServiceCommunicationException e) {
+            log.error("Failed to communicate with external system for the webhoook of domain group with id {}", domainGroup.getId());
+            throw new JobExecutionException("Failed communication with external system");
+        }
+    }
+}