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

Example 16 with ProfileRequirements

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

the class AutoScaleController method autoScaleProfile.

private void autoScaleProfile(FabricService service, final ContainerAutoScaler autoScaler, FabricRequirements requirements, ProfileRequirements profileRequirement, AutoScaleStatus status) {
    final String profile = profileRequirement.getProfile();
    Integer minimumInstances = profileRequirement.getMinimumInstances();
    Integer maximumInstances = profileRequirement.getMaximumInstances();
    String requirementsVersion = requirements.getVersion();
    final String version = Strings.isNotBlank(requirementsVersion) ? requirementsVersion : service.getDefaultVersionId();
    if (maximumInstances != null || minimumInstances != null) {
        if (maximumInstances != null) {
            List<Container> containers = Containers.aliveAndSuccessfulContainersForProfile(version, profile, service);
            int count = containers.size();
            int delta = count - maximumInstances;
            if (delta > 0) {
                stopContainers(containers, autoScaler, requirements, profileRequirement, status, delta);
            }
        }
        if (minimumInstances != null) {
            // lets check if we need to provision more
            List<Container> containers = Containers.aliveOrPendingContainersForProfile(version, profile, service);
            int count = containers.size();
            int delta = minimumInstances - count;
            try {
                AutoScaleProfileStatus profileStatus = status.profileStatus(profile);
                if (delta < 0) {
                    FabricService fs = this.fabricService.get();
                    if (fs != null) {
                        profileStatus.destroyingContainer();
                        for (int i = delta; i < 0; i++) {
                            while (!containers.isEmpty()) {
                                Container container = containers.remove(0);
                                if (container.getId().startsWith("auto_")) {
                                    fs.destroyContainer(container);
                                    break;
                                }
                            }
                        }
                    }
                } else if (delta > 0) {
                    if (AutoScalers.requirementsSatisfied(service, version, requirements, profileRequirement, status)) {
                        profileStatus.creatingContainer();
                        final AutoScaleRequest command = new AutoScaleRequest(service, version, profile, delta, requirements, profileRequirement, status);
                        new Thread("Creating container for " + command.getProfile()) {

                            @Override
                            public void run() {
                                try {
                                    autoScaler.createContainers(command);
                                } catch (Exception e) {
                                    LOGGER.error("Failed to create container of profile: " + profile + ". Caught: " + e, e);
                                }
                            }
                        }.start();
                    }
                } else {
                    profileStatus.provisioned();
                }
            } catch (Exception e) {
                LOGGER.error("Failed to auto-scale " + profile + ". Caught: " + e, e);
            }
        }
    }
}

Example 17 with ProfileRequirements

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

the class AutoScaleController method autoScale.

private void autoScale() {
    FabricService service = fabricService.get();
    FabricRequirements requirements = service.getRequirements();
    List<ProfileRequirements> profileRequirements = requirements.getProfileRequirements();
    if (profileRequirements != null && !profileRequirements.isEmpty()) {
        AutoScaleStatus status = new AutoScaleStatus();
        for (ProfileRequirements profileRequirement : profileRequirements) {
            ContainerAutoScaler autoScaler = createAutoScaler(requirements, profileRequirement);
            if (autoScaler != null) {
                autoScaleProfile(service, autoScaler, requirements, profileRequirement, status);
            } else {
                LOGGER.warn("No ContainerAutoScaler available for profile " + profileRequirement.getProfile());
            }
        }
        if (zkMasterCache != null) {
            try {
                String json = RequirementsJson.toJSON(status);
                String zkPath = ZkPath.AUTO_SCALE_STATUS.getPath();
                zkMasterCache.setStringData(zkPath, json, CreateMode.EPHEMERAL);
            } catch (Exception e) {
                LOGGER.warn("Failed to write autoscale status " + e, e);
            }
        } else {
            LOGGER.warn("No ZooKeeperMasterCache!");
        }
    }
}

Example 18 with ProfileRequirements

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

the class ProfileResource method setRequirements.

@POST
@Path("requirements")
public void setRequirements(ProfileRequirements profileRequirements) throws IOException {
    FabricService service = getFabricService();
    FabricRequirements requirements = service.getRequirements();
    if (requirements != null) {
        requirements.addOrUpdateProfileRequirements(profileRequirements);
        service.setRequirements(requirements);
    }
}

Example 19 with ProfileRequirements

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

the class SshAutoScalerTest method assertProfilesUseSeparateHost.

/**
 * lets assert that no host has more than its maximum number of containers
 */
public static void assertProfilesUseSeparateHost(FabricRequirements requirements, Map<String, CountingMap> hostToProfileCounts) {
    for (Map.Entry<String, CountingMap> entry : hostToProfileCounts.entrySet()) {
        String hostName = entry.getKey();
        CountingMap counts = entry.getValue();
        Set<String> keys = counts.keySet();
        for (String profileId : keys) {
            int count = counts.count(profileId);
            // lets see if we have a maximum number of profile count
            ProfileRequirements profileRequirement = requirements.getOrCreateProfileRequirement(profileId);
            Integer maximum = profileRequirement.getMaximumInstancesPerHost();
            if (maximum != null) {
                assertTrue("Host " + hostName + " has " + count + " instances of " + profileId + " but this is configured to have a maximium of " + maximum + " per host", count <= maximum);
            }
        }
    }
}

Example 20 with ProfileRequirements

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

the class SshAutoScaler method chooseHostContainerOptions.

/**
 * This method is public for easier testing
 */
public static CreateSshContainerOptions.Builder chooseHostContainerOptions(AutoScaleRequest request, HostProfileCounter hostProfileCounter) {
    CreateSshContainerOptions.Builder builder = CreateSshContainerOptions.builder();
    FabricRequirements requirements = request.getFabricRequirements();
    ProfileRequirements profileRequirements = request.getProfileRequirements();
    SshScalingRequirements sshScalingRequirements = profileRequirements.getSshScalingRequirements();
    List<SshHostConfiguration> hosts = requirements.getSshHosts();
    SortedSet<LoadSortedHostConfiguration<SshHostConfiguration>> sortedHostConfigurations = AutoScalers.filterHosts(profileRequirements, sshScalingRequirements, hostProfileCounter, hosts);
    SshHostConfiguration sshHostConfig = null;
    if (!sortedHostConfigurations.isEmpty()) {
        LoadSortedHostConfiguration<SshHostConfiguration> first = sortedHostConfigurations.first();
        sshHostConfig = first.getConfiguration();
    }
    if (sshHostConfig == null) {
        LOG.warn("Could not create version " + request.getVersion() + " profile " + request.getProfile() + " as no matching hosts could be found for " + sshScalingRequirements);
        request.getProfileAutoScaleStatus().noSuitableHost("" + sshScalingRequirements);
        return null;
    }
    builder.configure(sshHostConfig, requirements, profileRequirements);
    return builder;
}