Examples with Capabilities io.fabric8.kubernetes.api.model.Capabilities used on opensource projects

Example 1 with Capabilities

use of io.fabric8.kubernetes.api.model.Capabilities in project fabric8 by jboss-fuse.

the class SubsystemResolveContext method findProviders.

@Override
public List<Capability> findProviders(Requirement requirement) {
    List<Capability> caps = new ArrayList<Capability>();
    Region requirerRegion = getRegion(requirement.getResource());
    if (requirerRegion != null) {
        Map<Requirement, Collection<Capability>> resMap = repository.findProviders(Collections.singleton(requirement));
        Collection<Capability> res = resMap != null ? resMap.get(requirement) : null;
        if (res != null && !res.isEmpty()) {
            caps.addAll(res);
        } else if (globalRepository != null) {
            // Only bring in external resources for non optional requirements
            if (!RESOLUTION_OPTIONAL.equals(requirement.getDirectives().get(RESOLUTION_DIRECTIVE))) {
                resMap = globalRepository.findProviders(Collections.singleton(requirement));
                res = resMap != null ? resMap.get(requirement) : null;
                if (res != null && !res.isEmpty()) {
                    caps.addAll(res);
                }
            }
        }
        // Use the digraph to prune non visible capabilities
        Visitor visitor = new Visitor(caps);
        requirerRegion.visitSubgraph(visitor);
        Collection<Capability> allowed = visitor.getAllowed();
        caps.retainAll(allowed);
        // the parent one
        if (caps.size() > 1) {
            Map<String, Resource> providers = new HashMap<String, Resource>();
            for (Capability cap : caps) {
                Resource resource = cap.getResource();
                String id = getSymbolicName(resource) + "|" + getVersion(resource);
                Resource prev = providers.get(id);
                if (prev != null && prev != resource) {
                    Region r1 = getRegion(prev);
                    Region r2 = getRegion(resource);
                    boolean r2canSeeR1 = isResourceVisibleFromRegion(prev, r2);
                    boolean r1canSeeR2 = isResourceVisibleFromRegion(resource, r1);
                    if (r1canSeeR2 && r2canSeeR1) {
                        // r1 and r2 can see each other
                        int reqDiff = prev.getRequirements(null).size() - resource.getRequirements(null).size();
                        if (reqDiff == 0) {
                            String r1Name = getRegion(prev).getName();
                            String r2Name = getRegion(resource).getName();
                            int c = r1Name.compareTo(r2Name);
                            if (c == 0) {
                                // One of the resource has to be a bundle, use that one
                                c = (prev instanceof BundleRevision) ? -1 : +1;
                            }
                            resource = c < 0 ? prev : resource;
                        } else {
                            // one of the resource has less requirements, so use this one
                            // This can be the case when one resource has conditionals, which adds further
                            // requirements to the condition feature.
                            resource = reqDiff < 0 ? prev : resource;
                        }
                    } else {
                        // only one region can see the other, grab the correct
                        resource = r1canSeeR2 ? prev : resource;
                    }
                }
                providers.put(id, resource);
            }
            for (Iterator<Capability> it = caps.iterator(); it.hasNext(); ) {
                Capability cap = it.next();
                if (!providers.values().contains(cap.getResource())) {
                    it.remove();
                }
            }
        }
        // Sort caps
        Collections.sort(caps, candidateComparator);
    }
    return caps;
}

Example 2 with Capabilities

use of io.fabric8.kubernetes.api.model.Capabilities in project fabric8 by jboss-fuse.

the class SubsystemResolver method prepare.

public void prepare(Collection<Feature> allFeatures, Map<String, Set<String>> requirements, Map<String, Set<BundleRevision>> system) throws Exception {
    // Build subsystems on the fly
    for (Map.Entry<String, Set<String>> entry : requirements.entrySet()) {
        String[] parts = entry.getKey().split("/");
        if (root == null) {
            root = new Subsystem(parts[0]);
        } else if (!root.getName().equals(parts[0])) {
            throw new IllegalArgumentException("Can not use multiple roots: " + root.getName() + ", " + parts[0]);
        }
        Subsystem ss = root;
        for (int i = 1; i < parts.length; i++) {
            ss = getOrCreateChild(ss, parts[i]);
        }
        for (String requirement : entry.getValue()) {
            ss.require(requirement);
        }
    }
    if (root == null) {
        return;
    }
    // Pre-resolve
    root.build(allFeatures);
    // Add system resources
    BundleRevision sysBundleRev = null;
    boolean hasEeCap = false;
    for (Map.Entry<String, Set<BundleRevision>> entry : system.entrySet()) {
        Subsystem ss = null;
        String[] parts = entry.getKey().split("/");
        String path = parts[0];
        if (path.equals(root.getName())) {
            ss = root;
        }
        for (int i = 1; ss != null && i < parts.length; i++) {
            path += "/" + parts[i];
            ss = ss.getChild(path);
        }
        if (ss != null) {
            ResourceImpl dummy = new ResourceImpl("dummy", "dummy", Version.emptyVersion);
            for (BundleRevision res : entry.getValue()) {
                // We need to explicitely provide service capabilities for bundles
                // We use both actual services and services declared from the headers
                // TODO: use actual services
                Map<String, String> headers = new DictionaryAsMap<>(res.getBundle().getHeaders());
                Resource tmp = ResourceBuilder.build(res.getBundle().getLocation(), headers);
                for (Capability cap : tmp.getCapabilities(ServiceNamespace.SERVICE_NAMESPACE)) {
                    dummy.addCapability(new CapabilityImpl(dummy, cap.getNamespace(), cap.getDirectives(), cap.getAttributes()));
                }
                ss.addSystemResource(res);
                for (Capability cap : res.getCapabilities(null)) {
                    hasEeCap |= cap.getNamespace().equals(EXECUTION_ENVIRONMENT_NAMESPACE);
                }
                if (res.getBundle().getBundleId() == 0) {
                    sysBundleRev = res;
                }
            }
            ss.addSystemResource(dummy);
        }
    }
    // Under Equinox, the osgi.ee capabilities are not provided by the system bundle
    if (!hasEeCap && sysBundleRev != null) {
        String provideCaps = sysBundleRev.getBundle().getHeaders().get(PROVIDE_CAPABILITY);
        environmentResource = new ResourceImpl("environment", "karaf.environment", Version.emptyVersion);
        environmentResource.addCapabilities(ResourceBuilder.parseCapability(environmentResource, provideCaps));
        root.addSystemResource(environmentResource);
    }
}

Example 3 with Capabilities

use of io.fabric8.kubernetes.api.model.Capabilities in project elastest-torm by elastest.

the class K8sService method deployPod.

public PodInfo deployPod(DockerContainer container, String namespace) throws Exception {
    PodInfo podInfo = new PodInfo();
    Pod pod = null;
    try {
        namespace = namespace != null ? namespace : DEFAULT_NAMESPACE;
        String podName = container.getContainerName().get();
        logger.info("Deploying pod with name {} in namespace {}", podName, namespace);
        if (container.getCmd().isPresent()) {
            logger.info(String.join(",", container.getCmd().get()));
        }
        Map<String, String> k8sPobLabels = container.getLabels().get();
        k8sPobLabels.put(LABEL_POD_NAME, podName);
        String podNameWithoutUnderscore = podName.replace("_", "-");
        k8sPobLabels.put(LABEL_COMPONENT, podNameWithoutUnderscore);
        k8sPobLabels.put(LABEL_COMPONENT_TYPE, getETComponentType(podNameWithoutUnderscore));
        // Create Container
        ContainerBuilder containerBuilder = new ContainerBuilder();
        containerBuilder.withName(podNameWithoutUnderscore).withImage(container.getImageId()).withEnv(getEnvVarListFromStringList(container.getEnvs().get()));
        // Add ports
        if (container.getExposedPorts().isPresent() && !container.getExposedPorts().get().isEmpty()) {
            List<ContainerPort> ports = new ArrayList<>();
            container.getExposedPorts().get().forEach(port -> {
                ContainerPort containerPort = new ContainerPort();
                containerPort.setContainerPort(new Integer(port));
                ports.add(containerPort);
            });
            containerBuilder.withPorts(ports);
        }
        if (container.getCapAdd().isPresent() && !container.getCapAdd().get().isEmpty()) {
            SecurityContextBuilder securityContextBuilder = new SecurityContextBuilder();
            List<String> stringCapabilities = new ArrayList<>();
            container.getCapAdd().get().forEach(cap -> {
                stringCapabilities.add(cap);
            });
            Capabilities capabilities = new CapabilitiesBuilder().withAdd(stringCapabilities).build();
            securityContextBuilder.withCapabilities(capabilities);
            containerBuilder.withSecurityContext(securityContextBuilder.build());
        }
        // Add volumes if there are
        List<Volume> volumes = new ArrayList<>();
        List<VolumeMount> volumeMounts = new ArrayList<>();
        if (container.getVolumeBindList().isPresent() && !container.getVolumeBindList().get().isEmpty()) {
            int count = 0;
            for (Bind dockerVolume : container.getVolumeBindList().get()) {
                VolumeMount volumeMount = new VolumeMountBuilder().withName("v-" + count).withMountPath(dockerVolume.to()).build();
                volumeMounts.add(volumeMount);
                HostPathVolumeSource hostPath = new HostPathVolumeSourceBuilder().withPath(dockerVolume.to()).build();
                Volume volume = new VolumeBuilder().withName("v-" + count).withHostPath(hostPath).build();
                volumes.add(volume);
                count++;
            }
            containerBuilder.withVolumeMounts(volumeMounts);
        }
        PodBuilder podBuilder = new PodBuilder();
        // Set Labels if there are
        if (container.getLabels().isPresent() && container.getLabels().get().size() > 0) {
            k8sPobLabels.putAll(container.getLabels().get());
        }
        podBuilder.withNewMetadata().withName(podNameWithoutUnderscore).withLabels(k8sPobLabels).endMetadata().withNewSpec().addNewContainerLike(containerBuilder.build()).endContainer().withVolumes(volumes).endSpec();
        podBuilder.buildSpec().getContainers().get(0);
        pod = client.pods().inNamespace(namespace).createOrReplace(podBuilder.build());
        logger.info("Pod with name {} has been created in namespace {}", podName, namespace);
        logger.info("Waiting for Pod with name {} in namespace {}...", podName, namespace);
        while (!isReady(podNameWithoutUnderscore, namespace)) {
            UtilTools.sleep(1);
        }
        pod = client.pods().inNamespace(namespace).withName(podNameWithoutUnderscore).get();
        if (pod == null) {
            throw new Exception("the pod with name " + podName + " could not be obtained. Is null");
        }
        logger.debug("Pod with name {} ip: {}", podName, pod.getStatus().getPodIP());
    } catch (final KubernetesClientException e) {
        logger.error("Unable to create job", e);
        throw e;
    } catch (Exception e) {
        e.printStackTrace();
        throw e;
    }
    podInfo.setPodIp(pod.getStatus().getPodIP());
    podInfo.setPodName(pod.getMetadata().getName());
    return podInfo;
}

Example 4 with Capabilities

use of io.fabric8.kubernetes.api.model.Capabilities in project elastest-torm by elastest.

the class K8sService method createDaemonSetFromContainerInfo.

public boolean createDaemonSetFromContainerInfo(DockerContainer container, String namespace) {
    Boolean created = false;
    try {
        logger.info("Creating Daemon Set from container name {} in namespace {}", container.getContainerName().get(), namespace);
        if (container.getCmd().isPresent()) {
            logger.info(String.join(",", container.getCmd().get()));
        }
        String containerNameWithoutUnderscore = container.getContainerName().get().replace("_", "-");
        Map<String, String> k8sPobLabels = container.getLabels().get();
        k8sPobLabels.put(LABEL_POD_NAME, container.getContainerName().get());
        k8sPobLabels.put(LABEL_COMPONENT, containerNameWithoutUnderscore);
        // Create Container
        ContainerBuilder containerBuilder = new ContainerBuilder();
        containerBuilder.withName(containerNameWithoutUnderscore).withImage(container.getImageId()).withEnv(getEnvVarListFromStringList(container.getEnvs().get()));
        // Add ports
        if (container.getExposedPorts().isPresent() && !container.getExposedPorts().get().isEmpty()) {
            List<ContainerPort> ports = new ArrayList<>();
            container.getExposedPorts().get().forEach(port -> {
                ContainerPort containerPort = new ContainerPort();
                containerPort.setContainerPort(new Integer(port));
                ports.add(containerPort);
            });
            containerBuilder.withPorts(ports);
        }
        if (container.getCapAdd().isPresent() && !container.getCapAdd().get().isEmpty()) {
            SecurityContextBuilder securityContextBuilder = new SecurityContextBuilder();
            List<String> stringCapabilities = new ArrayList<>();
            container.getCapAdd().get().forEach(cap -> {
                stringCapabilities.add(cap);
            });
            Capabilities capabilities = new CapabilitiesBuilder().withAdd(stringCapabilities).build();
            securityContextBuilder.withCapabilities(capabilities);
            containerBuilder.withSecurityContext(securityContextBuilder.build());
        }
        // Add volumes if there are
        List<Volume> volumes = new ArrayList<>();
        List<VolumeMount> volumeMounts = new ArrayList<>();
        if (container.getVolumeBindList().isPresent() && !container.getVolumeBindList().get().isEmpty()) {
            int count = 0;
            for (Bind dockerVolume : container.getVolumeBindList().get()) {
                VolumeMount volumeMount = new VolumeMountBuilder().withName("v-" + count).withMountPath(dockerVolume.to()).build();
                volumeMounts.add(volumeMount);
                HostPathVolumeSource hostPath = new HostPathVolumeSourceBuilder().withPath(dockerVolume.to()).build();
                Volume volume = new VolumeBuilder().withName("v-" + count).withHostPath(hostPath).build();
                volumes.add(volume);
                count++;
            }
            containerBuilder.withVolumeMounts(volumeMounts);
        }
        LabelSelectorBuilder selectorBuilder = new LabelSelectorBuilder();
        LabelSelector labelSelector = selectorBuilder.withMatchLabels(Collections.singletonMap(LABEL_COMPONENT, containerNameWithoutUnderscore)).build();
        // String dName = "daemonset-" + containerNameWithoutUnderscore;
        DaemonSet daemonSet = new DaemonSetBuilder().withNewMetadata().withName(containerNameWithoutUnderscore).withNamespace(namespace).withLabels(k8sPobLabels).endMetadata().withNewSpec().withSelector(labelSelector).withNewTemplate().withNewMetadata().withLabels(k8sPobLabels).endMetadata().withNewSpec().addNewContainerLike(containerBuilder.build()).endContainer().withVolumes(volumes).endSpec().endTemplate().endSpec().build();
        client.apps().daemonSets().create(daemonSet);
        client.apps().daemonSets().inNamespace(namespace).withName(containerNameWithoutUnderscore).cascading(true);
    } catch (Exception e) {
        logger.error("Error deploying DaemonSet");
        e.printStackTrace();
        throw e;
    }
    return created;
}