[aerogear-dev] Upgrading process for the OpenShift AeroGear UPS cartridge

Farah Juma fjuma at redhat.com
Tue Jan 28 10:03:16 EST 2014 

> From: "Andrea Vibelli" <avibelli at redhat.com>
> To: "Farah Juma" <fjuma at redhat.com>
> Cc: aerogear-dev at lists.jboss.org
> Sent: Tuesday, January 28, 2014 3:46:02 AM
> Subject: Re: Re: [aerogear-dev] Upgrading process for the OpenShift AeroGear UPS cartridge
> 
> Hi Farah,
> yes I do use FireFox.
> 
> I have done the tests once again, and closing and reopening the browser
> solved my issue, great, nice catch!

Great, I'm glad that's working for you now!

> Maybe we could also include this additional step in the overall instructions,
> what do you think?

Yes, that's a good idea. I'm going to create a gist with our updated steps and post it here when done to get more feedback.

Thanks,
Farah


> Thank you
> Andrea
> 
> ----- Messaggio originale -----
> > Da: "Farah Juma" <fjuma at redhat.com>
> > A: "Andrea Vibelli" <avibelli at redhat.com>, aerogear-dev at lists.jboss.org
> > Inviato: Lunedì, 27 gennaio 2014 22:28:07
> > Oggetto: Re: [aerogear-dev] Upgrading process for the OpenShift AeroGear
> > 	UPS	cartridge
> > 
> > After some more digging, I think I might know what's going on here. Andrea,
> > are you using Firefox? I wasn't able to reproduce the issue with Chrome but
> > was able to reproduce it just now with Firefox. The underlying issue seems
> > to be that Firefox tends to save 301 redirects until you close it and
> > re-open it. Note that when you delete an OpenShift instance and re-create
> > it, its IP address changes. When accessing http://app-namespace.rhcloud
> > after re-creating the instance, you'll actually be redirected to
> > https://app-namespace.rhcloud/app. However, when using Firefox, this URL
> > seems to get mapped to the old IP address resulting in this error: 'The
> > requested URL /app was not found on this server.' After deleting and
> > re-creating an OpenShift instance with the same name, if you restart
> > Firefox, you should once again be able to access the application. I've
> > verified that this does work.
> > 
> > Similar issues with Firefox were actually mentioned in some OpenShift forum
> > posts as well:
> > 
> > https://www.openshift.com/forums/openshift/httpawm-pribylrhcloudcom-the-requested-url-was-not-found-on-this-server#comment-33570
> > https://www.openshift.com/forums/openshift/custom-domain-httpwwwxxxxxxxcom-is-redirecting-to-httpswwwxxxxxxxcomapp#comment-34215
> > 
> > 
> > Farah
> > 
> > ----- Original Message -----
> > > From: "Farah Juma" <fjuma at redhat.com>
> > > To: aerogear-dev at lists.jboss.org
> > > Sent: Monday, January 27, 2014 1:07:31 PM
> > > Subject: Re: [aerogear-dev] Upgrading process for the OpenShift AeroGear
> > >         UPS        cartridge
> > > 
> > > 
> > > > From: "Andrea Vibelli" <avibelli at redhat.com>
> > > > To: aerogear-dev at lists.jboss.org
> > > > Sent: Monday, January 27, 2014 12:27:04 PM
> > > > Subject: [aerogear-dev] Upgrading process for the OpenShift AeroGear
> > > > UPS
> > > >         cartridge
> > > > 
> > > > Hello all,
> > > > 
> > > > I just wanted to let you know that Farah is working on AGPUSH-504, a
> > > > snapshot/restore approach for upgrading the downloadable cartridge.
> > > > The overall idea is to take a snapshot of the database (and other
> > > > configuration) for an older existing cartridge instance, delete this
> > > > old
> > > > instance, and then create a new instance based on the latest cartridge
> > > > version and restore the new instance's database (and other
> > > > configuration)
> > > > to
> > > > the state in the snapshot. The new instance must have the same name as
> > > > the
> > > > old instance. The main thing that she needed to determine was what
> > > > needed
> > > > to
> > > > be included in the snapshot that's not already part of the MySQL
> > > > database.
> > > > The SimplePush token key was one of these things (we generate this
> > > > value
> > > > when a cartridge instance is created and it is used by the server for
> > > > encryption and decryption of endpoint URLs). The standalone.xml file
> > > > also
> > > > needed to be backed up just in case the user made any changes to it.
> > > > (Creating a backup of this file allows users to manually merge back any
> > > > changes they may have made.)
> > > > 
> > > > The snapshot/restore action hooks she has created can be found in [1].
> > > > 
> > > > The steps she has been using to try upgrading from an 0.8.1 instance
> > > > are
> > > > listed below. It would be great if you could try out these steps as
> > > > well.
> > > > There's one important caveat though: because an 0.8.1 instance won't
> > > > have
> > > > the necessary snapshot hook, you'll need to manually perform some
> > > > commands
> > > > to save the necessary data (step 3 below). If we include these
> > > > snapshot/restore action hooks in the 0.10.0 cartridge release, users
> > > > will
> > > > be
> > > > able to make use of these hooks for future upgrades, e.g., for
> > > > upgrading
> > > > from 0.10.0 to 0.11.0.
> > > >   
> > > > 1) Create an 0.8.1 cartridge instance
> > > > rhc create-app mypush
> > > > "https://cartreflect-claytondev.rhcloud.com/reflect?github=aerogear/openshift-origin-cartridge-aerogear-push&commit=8aada257de52157a837db23a9f7b1a8574fdffab"
> > > > mysql-5.1
> > > > 
> > > > 2) Log into the admin console, change password, create push
> > > > applications,
> > > > create variants, send push notifications, etc.
> > > > 
> > > > 3) ssh into your instance and perform these commands (this step
> > > > manually
> > > > captures needed data)
> > > > echo "$OPENSHIFT_AEROGEAR_PUSH_TOKEN_KEY" >
> > > > $OPENSHIFT_DATA_DIR/aerogear_push_token_key
> > > > cp $OPENSHIFT_AEROGEAR_PUSH_DIR/standalone/configuration/standalone.xml
> > > > $OPENSHIFT_DATA_DIR/standalone.snapshot.xml
> > > > 
> > > > 4) Create a snapshot of the 0.8.1 instance: rhc snapshot save mypush
> > > > 
> > > > 5) Delete the 0.8.1 instance: rhc app delete mypush
> > > > 
> > > > 6) Delete the local directory on the local machine (from step 1, you
> > > > should
> > > > have a directory named 'mypush')
> > > > 
> > > > 7) Create a new cartridge instance (this uses her fork of the 0.9.0
> > > > cartridge
> > > > repository that contains the snapshot/restore action hooks)
> > > > rhc create-app mypush
> > > > "https://cartreflect-claytondev.rhcloud.com/reflect?github=fjuma/openshift-origin-cartridge-aerogear-push&commit=956a4fc09edc93fe76394b86b265ceb1d238ccaf"
> > > > mysql-5.1
> > > > 
> > > > 8) Restore the instance: rhc snapshot restore mypush -f
> > > > /PATH/TO/mypush.tar.gz
> > > > 
> > > > 9) You should now be able to log into the admin console with the same
> > > > password you previously set, see existing push applications, variants,
> > > > send
> > > > push notifications, etc.
> > > > 
> > > > One disadvantage of this snapshot/restore approach is the extra work
> > > > for
> > > > the
> > > > user. It would be nice to have a single command that can do the
> > > > snapshot,
> > > > delete, create, and restore all at once. She is going to start looking
> > > > into
> > > > this "wrappering" functionality.
> > > > 
> > > > 
> > > > Why am I writing about this?
> > > > 
> > > > I have made some test about the above steps. At a first glance, it
> > > > seemed
> > > > that something was broken between steps 6 and 7.
> > > > Doing various tests, what I saw in the logs (server.log) were different
> > > > errors:
> > > > 
> > > > 2014/01/26 10:19:18,061 ERROR [org.jboss.as] (MSC service thread 1-3)
> > > > JBAS015875: JBoss AS 7.1.1.Final "Brontes" started (with errors) in
> > > > 296088ms
> > > > - Started 349 of 524 services (52 services failed or missing
> > > > dependencies,
> > > > 119 services are passive or on-demand)
> > > > 2014/01/26 10:19:18,344 INFO  [org.jboss.as.server]
> > > > (DeploymentScanner-threads - 2) JBAS015870: Deploy of deployment
> > > > "ROOT.war"
> > > > was rolled back with failure message {"JBAS014771: Services with
> > > > missing/unavailable dependencies" =>
> > > > ["jboss.persistenceunit.\"ROOT.war#unifiedpush-default\"jboss.naming.context.java.jboss.datasources.PushEEDSMissing[jboss.persistenceunit.\"ROOT.war#unifiedpush-default\"jboss.naming.context.java.jboss.datasources.PushEEDS]","jboss.persistenceunit.\"ROOT.war#picketlink-default\"jboss.naming.context.java.jboss.datasources.PushEEDSMissing[jboss.persistenceunit.\"ROOT.war#picketlink-default\"jboss.naming.context.java.jboss.datasources.PushEEDS]"]}
> > > > 2014/01/26 10:19:19,390 INFO  [org.jboss.as.server.deployment] (MSC
> > > > service
> > > > thread 1-2) JBAS015877: Stopped deployment ROOT.war in 1125ms
> > > > 2014/01/26 10:19:19,393 INFO  [org.jboss.as.controller]
> > > > (DeploymentScanner-threads - 2) JBAS014774: Service status report
> > > > JBAS014775:    New missing/unsatisfied dependencies:
> > > >       service jboss.naming.context.java.jboss.datasources.PushEEDS
> > > >       (missing)
> > > >       dependents: [service
> > > >       jboss.persistenceunit."ROOT.war#unifiedpush-default", service
> > > >       jboss.persistenceunit."ROOT.war#picketlink-default"]
> > > > 
> > > > 
> > > > 2014/01/26 10:19:19,440 ERROR [org.jboss.as.server.deployment.scanner]
> > > > (DeploymentScanner-threads - 1) {"JBAS014653: Composite operation
> > > > failed
> > > > and
> > > > was rolled back. Steps that failed:" => {"Operation step-2" =>
> > > > {"JBAS014771:
> > > > Services with missing/unavailable dependencies" =>
> > > > ["jboss.persistenceunit.\"ROOT.war#unifiedpush-default\"jboss.naming.context.java.jboss.datasources.PushEEDSMissing[jboss.persistenceunit.\"ROOT.war#unifiedpush-default\"jboss.naming.context.java.jboss.datasources.PushEEDS]","jboss.persistenceunit.\"ROOT.war#picketlink-default\"jboss.naming.context.java.jboss.datasources.PushEEDSMissing[jboss.persistenceunit.\"ROOT.war#picketlink-default\"jboss.naming.context.java.jboss.datasources.PushEEDS]"]}}}
> > > 
> > > 
> > > It looks like the MySQL cartridge either wasn't added or wasn't able to
> > > start
> > > successfully. The following command can be used to check the status of
> > > the
> > > MySQL cartridge:
> > > 
> > > rhc cartridge status -a APP -c mysql
> > > 
> > >  
> > > > OR
> > > > 
> > > > 
> > > > 2014/01/26 05:41:46,522 INFO  [org.jboss.as.connector] (MSC service
> > > > thread
> > > > 1-1) JBAS010408: Starting JCA Subsystem (JBoss IronJacamar 1.0.9.Final)
> > > > 2014/01/26 05:41:46,922 ERROR
> > > > [org.jboss.as.controller.management-operation]
> > > > (ServerService Thread Pool -- 62) Operation ("enable") failed -
> > > > address:
> > > > ([
> > > >     ("subsystem" => "datasources"),
> > > >     ("data-source" => "PostgreSQLDS")
> > > > ]) - failure description: "JBAS014802: Cannot resolve expression
> > > > 'expression
> > > > \"jdbcostgresql://${env.OPENSHIFT_POSTGRESQL_DB_HOST}:${env.OPENSHIFT_POSTGRESQL_DB_PORT}/mypush13\"'
> > > > -- java.lang.IllegalStateException: Failed to resolve expression:
> > > > ${env.OPENSHIFT_POSTGRESQL_DB_HOST}"
> > > > 
> > > > 
> > > > OR
> > > > 
> > > > 
> > > > no errors in the logs, but in the deployments directory I found
> > > > 'ROOT.war.dodeploy' and 'ROOT.war.isdeploying' files, but no
> > > > 'ROOT.war.deployed' file.
> > > > 
> > > > 
> > > > Those error seemed to me as random and too strange (by the way, the
> > > > creation
> > > > of the cartridge is always correct, I never had problems if I created a
> > > > new
> > > > instance with a never used before name).
> > > > 
> > > > To investigate further, I then tried to do the same steps with a
> > > > completely
> > > > different application: 'Kitchensink on OpenShift', and I had the same
> > > > error!
> > > > After the deletion and the recreation of a cartridge with a same name,
> > > > I
> > > > encountered: 'The requested URL /app was not found on this server.'
> > > > The steps I have done are:
> > > > 1) rhc app create -a kitchensink -t jbossas-7 --from-code
> > > > git://github.com/openshift/kitchensink-example.git
> > > > 2) rhc snapshot save kitchensink
> > > > 3) rhc app delete kitchensink
> > > > 4) rm -rf kitchensinkhtml5/
> > > > 5) rhc app create -a kitchensink -t jbossas-7 --from-code
> > > > git://github.com/openshift/kitchensink-example.git
> > > > 6) Access to the application.
> > > > 
> > > > So the good news is that the error I encountered is not related to this
> > > > specific AeroGear cartridges, but the bad news is that is something
> > > > more
> > > > general about OpenShift.
> > > > We need to investigate further and find out if there is a way to
> > > > "flush"
> > > > the
> > > > deletion, it seems that there is something appended or cached that
> > > > prevent
> > > > the recreation of a cartridge with a same name.
> > > 
> > > It's good that the issue you're running into isn't specific to the
> > > AeroGear
> > > cartridge. I've tried quite a few times today but I'm not able to
> > > reproduce
> > > the issue with the AeroGear cartridge or with the kitchensink application
> > > using the above steps. I suspect that there is indeed an OpenShift timing
> > > issue here. Let's check with the OpenShift team on this.
> > > 
> > > Farah
> > > 
> > > > We are currently doing some more tests on these process.
> > > > 
> > > > 
> > > > 
> > > > _______________________________________________
> > > > aerogear-dev mailing list
> > > > aerogear-dev at lists.jboss.org
> > > > https://lists.jboss.org/mailman/listinfo/aerogear-dev
> > > > 
> > > _______________________________________________
> > > aerogear-dev mailing list
> > > aerogear-dev at lists.jboss.org
> > > https://lists.jboss.org/mailman/listinfo/aerogear-dev
> > >
> > 
>

More information about the aerogear-dev mailing list