bug5730: added e-mail notifications for archiving process

java/com.sap.sailing.landscape/resources/stringmessages/SailingLandscape_StringMessages.properties

@@ -1,4 +1,12 @@
 MasterUnavailableMailSubject=Primary server of replica set {0} temporarily unavailable
 MasterUnavailableMailBody=The primary server of replica set {0} is temporarily unavailable.\nModifying access will be suspended.\nModifications incurred by a replica will be queued and will be applied when the primary is available again.
 MasterAvailableMailSubject=Primary server of replica set {0} available again
-MasterAvailableMailBody=The primary server of replica set {0} is available again.\nModifying access is possible again.\nQueued modifications will now process.
+MasterAvailableMailBody=The primary server of replica set {0} is available again.\nModifying access is possible again.\nQueued modifications will now process.
+StartingToArchiveReplicaSetIntoSubject=Starting to archive a replica set to {0}
+StartingToArchiveReplicaSetIntoBody=Starting to archive a replica set to {0}.\nWhile this is going on, refrain from archiving another replica set into the same archive {0}.\nAfter the content has been imported it will be compared to the original.\nYou should receive another e-mail when this has completed.
+StartingToArchiveReplicaSetSubject=Starting to archive replica set {0}
+StartingToArchiveReplicaSetBody=Starting to archive a replica set {0}.\nWhile this is ongoing please do not make any modifications to {0}.\nYou will receive another e-mail when this process has finished.
+FinishedToArchiveReplicaSetIntoSubject=Archiving a replica set to {0} finished
+FinishedToArchiveReplicaSetIntoBody=Archiving a replica set to {0} has finished.\nYou can now archive other content to {0} if you want.
+FinishedToArchiveReplicaSetSubject=Archiving replica set {0} finished
+FinishedToArchiveReplicaSetBody=Archiving replica set {0} has finished.\nIf you requested so, the original replica set has been removed.

java/com.sap.sailing.landscape/resources/stringmessages/SailingLandscape_StringMessages_de.properties

@@ -1,4 +1,12 @@
-MasterUnavailableMailSubject=
-MasterUnavailableMailBody=
-MasterAvailableMailSubject=
-MasterAvailableMailBody=
+MasterUnavailableMailSubject=Primär-Server des Anwendungs-Clusters {0} vorübergehend nicht verfügbar
+MasterUnavailableMailBody=Der Primär-Server des Anwendungs-Clusters {0} ist vorübergehend nicht verfügbar.\nVerändernde Zugriffe sind derzeit nicht möglich.\nModifikationen, die durch eine Replika ausgeüfhrt werden, werden gepuffert und werden angewandt, wenn der primäre Server wieder verfügbar ist.
+MasterAvailableMailSubject=Primär-Server des Anwendungs-Clusters {0} wieder verfügbar
+MasterAvailableMailBody=Der Primär-Server des Anwendungs-Clusters {0} ist wieder verfügbar.\nVerändernde Zugriffe sind jetzt wieder möglich.\nGepufferte Modifikationen werden jetzt abgearbeitet.
+StartingToArchiveReplicaSetIntoSubject=Anwendungs-Cluster wird nach {0} archiviert
+StartingToArchiveReplicaSetIntoBody=Ein Anwendungs-Cluster wird nach {0} archiviert.\nWährend dieser Vorgang läuft, dürfen keine weitere Anwendungs-Cluster nach {0} archiviert werden.\nNach der Archivierung werden die Inhalte verglichen.\nEine e-Mail folgt, wenn der Vorgang abgeschlossen ist.
+StartingToArchiveReplicaSetSubject=Anwendungs-Cluster {0} wird archiviert
+StartingToArchiveReplicaSetBody=Das Anwendungs-Cluster {0} wird jetzt archiviert.\nWährenddessen dürfen keine Veränderungen an {0} vorgenommen werden.\nEine e-Mail folgt, wenn der Vorgang abgeschlossen ist.
+FinishedToArchiveReplicaSetIntoSubject=Archivierung des Anwendungs-Clusters nach {0} beendet
+FinishedToArchiveReplicaSetIntoBody=Die Archivierung des Anwendungs-Clusters nach {0} ist beendet.\nAb jetzt sind bei Bedarf weitere Archivierungen nach {0} möglich.
+FinishedToArchiveReplicaSetSubject=Archivierung des Anwendungs-Clusters {0} beendet
+FinishedToArchiveReplicaSetBody=Die Archivierung des Anwendungs-Clusters {0} ist beendet.\nFalls angefragt, wurde das Original Anwendungs-Cluster entfernt.

java/com.sap.sailing.landscape/src/com/sap/sailing/landscape/impl/LandscapeServiceImpl.java

@@ -427,6 +427,8 @@ public class LandscapeServiceImpl implements LandscapeService {
         final SailingServer from = sailingServerFactory.getSailingServer(new URL("https", hostnameFromWhichToArchive, "/"), bearerTokenOrNullForApplicationReplicaSetToArchive);
         final SailingServer archive = sailingServerFactory.getSailingServer(new URL("https", hostnameOfArchive, "/"), bearerTokenOrNullForArchive);
         logger.info("Importing master data from "+from+" to "+archive);
+        sendMailToReplicaSetOwner(archiveReplicaSet, "StartingToArchiveReplicaSetIntoSubject", "StartingToArchiveReplicaSetIntoBody");
+        sendMailToReplicaSetOwner(applicationReplicaSetToArchive, "StartingToArchiveReplicaSetSubject", "StartingToArchiveReplicaSetBody");
         // Note: if from.getLeaderboardGroupIds() returns an empty set, "all" leaderboards will be imported by the MDI which again is the empty set.
         // In this case, no comparison is required; in fact it wouldn't even work because passing an empty set to the archive into which the import
         // was done would implicitly compare all leaderboard groups, resulting in the entire archive server content being the "diff."
@@ -507,6 +509,8 @@ public class LandscapeServiceImpl implements LandscapeService {
                     " did not work"+(mdiProgress != null ? mdiProgress.getErrorMessage() : " (no result at all)"));
             compareServersResult = null;
         }
+        sendMailToReplicaSetOwner(archiveReplicaSet, "FinishedToArchiveReplicaSetIntoSubject", "FinishedToArchiveReplicaSetIntoBody");
+        sendMailToReplicaSetOwner(applicationReplicaSetToArchive, "FinishedToArchiveReplicaSetSubject", "FinishedToArchiveReplicaSetBody");
         return new Util.Pair<>(mdiProgress, compareServersResult);
     }
 
@@ -932,6 +936,7 @@ public class LandscapeServiceImpl implements LandscapeService {
                 + replicaSet.getPublicTargetGroup() + " and " + replicaSet.getMasterTargetGroup());
         replicaSet.getPublicTargetGroup().addTarget(master.getHost());
         replicaSet.getMasterTargetGroup().addTarget(master.getHost());
+        sendMailAboutMasterAvailable(replicaSet);
         // the following map stores the assignment of the temporary upgrade replicas to the public / shard target groups
         // for later removal as the final auto-scaling replicas start to replace them:
         final Map<TargetGroup<String>, Iterable<AwsInstance<String>>> tempUpgradeReplicasByTargetGroup = new HashMap<>();
@@ -1167,6 +1172,7 @@ public class LandscapeServiceImpl implements LandscapeService {
                 replicaSet.getPublicTargetGroup()+" and "+replicaSet.getMasterTargetGroup());
         replicaSet.getPublicTargetGroup().removeTarget(replicaSet.getMaster().getHost());
         replicaSet.getMasterTargetGroup().removeTarget(replicaSet.getMaster().getHost());
+        sendMailAboutMasterUnavailable(replicaSet);
         return additionalReplicaStarted;
     }
 
@@ -1427,7 +1433,6 @@ public class LandscapeServiceImpl implements LandscapeService {
                     optionalPreferredInstanceToDeployTo).getInstanceToDeployTo(replicaSet);
         }
         logger.info("Stopping master "+replicaSet.getMaster());
-        sendMailAboutMasterUnavailable(replicaSet);
         replicaSet.getMaster().stopAndTerminateIfLast(Landscape.WAIT_FOR_PROCESS_TIMEOUT, Optional.ofNullable(optionalKeyName), privateKeyEncryptionPassphrase);
         final AppConfigBuilderT masterConfigurationBuilder = createMasterConfigurationBuilder(replicaSet.getName(),
                 optionalMasterReplicationBearerTokenOrNull, optionalMemoryInMegabytesOrNull, optionalMemoryTotalSizeFactorOrNull,