Examples with GitContext io.fabric8.api.GitContext used on opensource projects

Example 31 with GitContext

use of io.fabric8.api.GitContext in project fabric8 by jboss-fuse.

the class DummyBatchingProgressMonitor method executeInternal.

private <T> T executeInternal(GitContext context, PersonIdent personIdent, GitOperation<T> operation) {
    if (context.isRequirePull() || context.isRequireCommit()) {
        assertWriteLock();
    } else {
        assertReadLock();
    }
    // [FABRIC-887] Must set the TCCL to the classloader that loaded GitDataStore as we need the classloader
    // that could load this class, as jgit will load resources from classpath using the TCCL
    // and that requires the TCCL to the classloader that could load GitDataStore as the resources
    // jgit requires are in the same bundle as GitDataSource (eg embedded inside fabric-git)
    ClassLoader tccl = Thread.currentThread().getContextClassLoader();
    try {
        ClassLoader gitcl = GitDataStoreImpl.class.getClassLoader();
        Thread.currentThread().setContextClassLoader(gitcl);
        LOGGER.trace("Setting ThreadContextClassLoader to {} instead of {}", gitcl, tccl);
        Git git = getGit();
        Repository repository = git.getRepository();
        if (personIdent == null) {
            personIdent = new PersonIdent(repository);
        }
        if (context.isRequirePull()) {
            doPullInternal(context, getCredentialsProvider(), false, gitTimeout);
        }
        T result = operation.call(git, context);
        if (context.isRequireCommit()) {
            doCommit(git, context);
            Object cacheKey = context.getCacheKey();
            if (cacheKey == null || cacheKey.equals(GitHelpers.MASTER_BRANCH)) {
                versionCache.invalidateAll();
            } else {
                versionCache.invalidate(cacheKey);
            }
            notificationRequired = true;
        }
        if (context.isRequirePush()) {
            PushPolicyResult pushResult = doPushInternal(context, getCredentialsProvider());
            if (!pushResult.getRejectedUpdates().isEmpty()) {
                Exception gitex = pushResult.getLastException();
                throw new IllegalStateException("Push rejected: " + pushResult.getRejectedUpdates().values(), gitex);
            }
        }
        return result;
    } catch (Exception e) {
        throw FabricException.launderThrowable(e);
    } finally {
        LOGGER.trace("Restoring ThreadContextClassLoader to {}", tccl);
        Thread.currentThread().setContextClassLoader(tccl);
    }
}

Example 32 with GitContext

use of io.fabric8.api.GitContext in project fabric8 by jboss-fuse.

the class DummyBatchingProgressMonitor method updateProfile.

@Override
public String updateProfile(GitContext context, final Profile profile, boolean force) {
    IllegalStateAssertion.assertNotNull(profile, "profile");
    LockHandle writeLock = aquireWriteLock();
    try {
        assertValid();
        // Get the existing profile
        final String versionId = profile.getVersion();
        final String profileId = profile.getId();
        final Profile lastProfile = getRequiredProfile(versionId, profileId);
        if (force || !lastProfile.equals(profile)) {
            GitOperation<String> gitop = new GitOperation<String>() {

                public String call(Git git, GitContext context) throws Exception {
                    checkoutRequiredProfileBranch(git, context, versionId, profileId);
                    return createOrUpdateProfile(context, lastProfile, profile, new HashSet<String>());
                }
            };
            return executeInternal(context, null, gitop);
        } else {
            LOGGER.debug("Skip unchanged profile update for: {}", profile);
            return lastProfile.getId();
        }
    } finally {
        writeLock.unlock();
    }
}

Example 33 with GitContext

use of io.fabric8.api.GitContext in project fabric8 by jboss-fuse.

the class DummyBatchingProgressMonitor method deleteVersion.

@Override
public void deleteVersion(GitContext context, final String versionId) {
    IllegalStateAssertion.assertNotNull(versionId, "versionId");
    LockHandle writeLock = aquireWriteLock();
    try {
        assertValid();
        LOGGER.debug("Delete version: " + versionId);
        GitOperation<Void> gitop = new GitOperation<Void>() {

            public Void call(Git git, GitContext context) throws Exception {
                removeVersionFromCaches(versionId);
                GitHelpers.removeBranch(git, versionId);
                git.push().setTimeout(gitTimeout).setCredentialsProvider(getCredentialsProvider()).setRefSpecs(new RefSpec().setSource(null).setDestination("refs/heads/" + versionId)).call();
                return null;
            }
        };
        executeInternal(context, null, gitop);
    } finally {
        writeLock.unlock();
    }
}

Example 34 with GitContext

use of io.fabric8.api.GitContext in project fabric8 by jboss-fuse.

the class DummyBatchingProgressMonitor method deleteProfile.

@Override
public void deleteProfile(GitContext context, final String versionId, final String profileId) {
    IllegalStateAssertion.assertNotNull(versionId, "versionId");
    IllegalStateAssertion.assertNotNull(profileId, "profileId");
    LockHandle writeLock = aquireWriteLock();
    try {
        assertValid();
        LOGGER.debug("Delete " + ProfileBuilder.Factory.create(versionId, profileId).getProfile());
        GitOperation<Void> gitop = new GitOperation<Void>() {

            public Void call(Git git, GitContext context) throws Exception {
                checkoutRequiredProfileBranch(git, context, versionId, profileId);
                File profileDirectory = GitHelpers.getProfileDirectory(git, profileId);
                recursiveDeleteAndRemove(git, profileDirectory);
                context.commitMessage("Removed profile " + profileId);
                return null;
            }
        };
        executeInternal(context, null, gitop);
    } finally {
        writeLock.unlock();
    }
}

Example 35 with GitContext

use of io.fabric8.api.GitContext in project fabric8 by jboss-fuse.

the class DummyBatchingProgressMonitor method activateInternal.

private void activateInternal() throws Exception {
    LOGGER.info("Starting up GitDataStore " + this);
    // Call the bootstrap {@link DataStoreTemplate}
    DataStoreTemplate template = runtimeProperties.get().removeRuntimeAttribute(DataStoreTemplate.class);
    if (template != null) {
        // Do the initial commit and set the root tag
        Ref rootTag = getGit().getRepository().getRef(GitHelpers.ROOT_TAG);
        if (rootTag == null) {
            getGit().commit().setMessage("First Commit").setCommitter("fabric", "user@fabric").call();
            getGit().tag().setName(GitHelpers.ROOT_TAG).setMessage("Tag the root commit").call();
        }
        LOGGER.debug("Running datastore bootstrap template: " + template);
        template.doWith(this, dataStore.get());
    }
    // Setup proxy service
    GitProxyService proxyService = gitProxyService.get();
    defaultProxySelector = ProxySelector.getDefault();
    // authenticator disabled, until properly tested it does not affect others, as Authenticator is static in the JVM
    // Authenticator.setDefault(new FabricGitLocalHostAuthenticator(proxyService));
    ProxySelector fabricProxySelector = new FabricGitLocalHostProxySelector(defaultProxySelector, proxyService);
    ProxySelector.setDefault(fabricProxySelector);
    LOGGER.debug("Setting up FabricProxySelector: {}", fabricProxySelector);
    if (gitRemoteUrl != null) {
        gitListener.runRemoteUrlChanged(gitRemoteUrl);
        remoteUrl = gitRemoteUrl;
    } else {
        gitService.get().addGitListener(gitListener);
        remoteUrl = gitService.get().getRemoteUrl();
        if (remoteUrl != null) {
            gitListener.runRemoteUrlChanged(remoteUrl);
        }
    }
    // Get initial versions
    getInitialVersions();
    // poll logic in case of remote git repo
    if (gitRemoteUrl != null) {
        // i need this old logic in case of remote repos
        LOGGER.info("Starting to pull from remote git repository every {} millis", gitRemotePollInterval);
        threadPool.scheduleWithFixedDelay(new Runnable() {

            @Override
            public void run() {
                LockHandle writeLock = aquireWriteLock();
                try {
                    LOGGER.trace("Performing timed pull");
                    doPullInternal();
                    LOGGER.debug("Performed timed pull from external git repo");
                } catch (Throwable e) {
                    LOGGER.debug("Error during performed timed pull/push due " + e.getMessage(), e);
                    LOGGER.warn("Error during performed timed pull/push due " + e.getMessage() + ". This exception is ignored.");
                } finally {
                    writeLock.unlock();
                }
            }

            @Override
            public String toString() {
                return "TimedPushTask";
            }
        }, 1000, gitRemotePollInterval, TimeUnit.MILLISECONDS);
    }
    LOGGER.info("Using ZooKeeper SharedCount to react when master git repo is changed, so we can do a git pull to the local git repo.");
    counter = new SharedCount(curator.get(), ZkPath.GIT_TRIGGER.getPath(), 0);
    counter.addListener(new SharedCountListener() {

        @Override
        public void countHasChanged(final SharedCountReader sharedCountReader, final int value) throws Exception {
            Runnable task = new Runnable() {

                @Override
                public void run() {
                    doPullInternal();
                }
            };
            if (gitRandomFetchDelay == 0) {
                LOGGER.debug("Watch counter updated to " + value + ", scheduling immediate pull");
                threadPool.submit(task);
            } else {
                int delay = RND.nextInt(gitRandomFetchDelay) + 1;
                LOGGER.debug("Watch counter updated to " + value + ", scheduling pull with random delay=" + delay + "s");
                threadPool.schedule(task, delay, TimeUnit.SECONDS);
            }
        }

        @Override
        public void stateChanged(CuratorFramework curatorFramework, ConnectionState connectionState) {
            switch(connectionState) {
                case SUSPENDED:
                case READ_ONLY:
                case LOST:
                    // do nothing
                    break;
                case CONNECTED:
                case RECONNECTED:
                    LOGGER.info("Shared Counter (Re)connected, doing a pull");
                    doPullInternal();
                    break;
            }
        }
    });
    try {
        counter.start();
    } catch (KeeperException.NotReadOnlyException ex) {
    // In read only mode the counter is not going to start.
    // If the connection is reestablished the component will reactivate.
    // We need to catch this error so that the component gets activated.
    }
    if (gitGcOnLoad) {
        LockHandle writeLock = aquireWriteLock();
        try {
            GitOperation<Void> gitop = new GitOperation<Void>() {

                public Void call(Git git, GitContext context) throws Exception {
                    long before = System.currentTimeMillis();
                    try {
                        git.gc().call();
                        LOGGER.debug("git gc took " + ((System.currentTimeMillis() - before)) + " ms.");
                    } catch (GitAPIException e) {
                        LOGGER.debug("git gc threw an exception!", e);
                    }
                    return null;
                }
            };
            executeInternal(new GitContext(), null, gitop);
        } finally {
            writeLock.unlock();
        }
    }
    // failing to activate the component
    if (readWriteLock.isWriteLockedByCurrentThread() || readWriteLock.getWriteHoldCount() == 0) {
        try {
            // let's delegate to other thread in order to free MCF thread
            // ENTESB-7843: there's a problem when jetty is configured with TLS and keystore location using
            // profile: URI. while Jetty continues to be configured if profile:jetty.xml isn't available
            // (and it isn't initially), it fails trying to access keystore via profile: URI.
            // we should optimistically assume we can pull, but there's nothing wrong if we can't
            // - we'll be able to pull later
            threadPoolInitial.execute(new Runnable() {

                @Override
                public void run() {
                    doPullInternal(5);
                }
            });
        } catch (IllegalStateException e) {
            LOGGER.info("Another thread acquired write lock and GitDataStore can't pull from remote repository.");
        }
    } else {
        LOGGER.info("Another thread is keeping git write lock. GitDataStore will continue activation.");
    }
}