brooklyn-dev mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From ahgittin <...@git.apache.org>
Subject [GitHub] brooklyn-server pull request #799: Uninstall bundles on error
Date Tue, 29 Aug 2017 15:39:11 GMT
Github user ahgittin commented on a diff in the pull request:

    https://github.com/apache/brooklyn-server/pull/799#discussion_r135829210
  
    --- Diff: core/src/main/java/org/apache/brooklyn/core/mgmt/ha/OsgiArchiveInstaller.java
---
    @@ -379,26 +388,89 @@ private synchronized void close() {
                 // eg rebind code, brooklyn.libraries list -- deferred start allows caller
to
                 // determine whether not to start or to start all after things are installed
                 Runnable startRunnable = new Runnable() {
    +                private void rollbackBundle() {
    +                    if (updating) {
    +                        if (oldZipFile==null) {
    +                            throw new IllegalStateException("Did not have old ZIP file
to install");
    +                        }
    +                        log.debug("Rolling back bundle "+result.getVersionedName()+"
to state from "+oldZipFile);
    +                        try {
    +                            File zipFileNow = osgiManager.managedBundlesRecord.rollbackManagedBundleFile(result,
oldZipFile);
    +                            result.bundle.update(new FileInputStream(Preconditions.checkNotNull(zipFileNow,
"Couldn't find contents of old version of bundle")));
    +                        } catch (Exception e) {
    +                            Exceptions.propagateIfFatal(e);
    +                            log.error("Error rolling back following failed install of
updated "+result.getVersionedName()+"; "
    +                                + "installation will likely be corrupted and correct
version should be manually installed.", e);
    +                        }
    +                        
    +                        ((BasicManagedBundle)result.getMetadata()).setPersistenceNeeded(true);
    +                        mgmt().getRebindManager().getChangeListener().onChanged(result.getMetadata());
    +                    } else {
    +                        log.debug("Uninstalling bundle "+result.getVersionedName()+"
(roll back of failed fresh install, no previous version to revert to)");
    +                        osgiManager.uninstallUploadedBundle(result.getMetadata());
    +                        
    +                        ((BasicManagedBundle)result.getMetadata()).setPersistenceNeeded(true);
    +                        mgmt().getRebindManager().getChangeListener().onUnmanaged(result.getMetadata());
    +                    }
    +                }
                     public void run() {
                         if (start) {
                             try {
                                 log.debug("Starting bundle "+result.getVersionedName());
                                 result.bundle.start();
                             } catch (BundleException e) {
    +                            log.warn("Error starting bundle "+result.getVersionedName()+",
uninstalling, restoring any old bundle, then re-throwing error: "+e);
    +                            rollbackBundle();
    --- End diff --
    
    there are a couple places this applies.  how's this:
    
    ```
                                try {
                                    rollbackBundle();
                                } catch (Throwable t) {
                                    Exceptions.propagateIfFatal(t);
                                    log.warn("Error rolling back "+result.getVersionedName()+"
after bundle start problem; server may be in inconsistent state (swallowing this error and
propagating installation error): "+Exceptions.collapseText(t), t);
                                    throw Exceptions.propagate(new BundleException("Failure
installing and rolling back; server may be in inconsistent state regarding bundle "+result.getVersionedName()+".
"
                                        + "Rollback failure ("+Exceptions.collapseText(t)+")
detailed in log. Installation error is: "+Exceptions.collapseText(e), e));
                                }
    ```
     


---
If your project is set up for it, you can reply to this email and have your
reply appear on GitHub as well. If your project does not have this feature
enabled and wishes so, or if the feature is enabled but not working, please
contact infrastructure at infrastructure@apache.org or file a JIRA ticket
with INFRA.
---

Mime
View raw message