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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,15 +1,8 @@ | ||
| #!/bin/bash | ||
| set -Eeo pipefail | ||
| if [ $(arch) = "ppc64le" ]; then | ||
| ARCH=ppc64le | ||
| elif [ $(arch) = "s390x" ]; then | ||
| ARCH=s390x | ||
| else | ||
| ARCH=amd64 | ||
| fi | ||
| #IMAGE=kappnav-init-$ARCH | ||
| IMAGE=kappnav-apis | ||
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| echo "Building ${IMAGE}" | ||
| IMAGE=kappnav-apis | ||
| VERSION=0.1.1 | ||
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| docker build -t ${IMAGE} . | ||
| echo "Building ${IMAGE} ${VERSION}" | ||
| docker build --build-arg VERSION=$VERSION --build-arg BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ') -t ${IMAGE} . |
171 changes: 171 additions & 0 deletions
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src/main/java/application/rest/v1/actions/AppPodlistFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,171 @@ | ||
| /* | ||
| * Copyright 2019 IBM Corporation | ||
| * | ||
| * Licensed under the Apache License, Version 2.0 (the "License"); | ||
| * you may not use this file except in compliance with the License. | ||
| * You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, software | ||
| * distributed under the License is distributed on an "AS IS" BASIS, | ||
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| * See the License for the specific language governing permissions and | ||
| * limitations under the License. | ||
| */ | ||
|
|
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| package application.rest.v1.actions; | ||
|
|
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| import java.util.List; | ||
|
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| import com.google.gson.JsonArray; | ||
| import com.google.gson.JsonElement; | ||
| import com.google.gson.JsonObject; | ||
|
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| import application.rest.v1.ComponentInfoRegistry; | ||
| import application.rest.v1.KAppNavEndpoint; | ||
| import application.rest.v1.Selector; | ||
| import application.rest.v1.ComponentKind; | ||
| import io.kubernetes.client.ApiClient; | ||
| import io.kubernetes.client.ApiException; | ||
|
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| // apppodlist() or apppodlist(<application-namespace>,<application-name>) | ||
| // Returns a list of pod names from all deployments belonging to specified application. | ||
| // Return value structure is: { "pods" : "[<name1>,<name2>,etc]" } | ||
| public class AppPodlistFunction implements Function { | ||
|
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| private static final String PODS_PROPERTY_NAME = "pods"; | ||
| private static final String DEPLOYMENT_KIND = "Deployment"; | ||
| private static final String APPLICATION_KIND = "Application"; | ||
| private static final String POD_KIND = "Pod"; | ||
| private static final String METADATA_PROPERTY_NAME = "metadata"; | ||
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| @Override | ||
| public String getName() { | ||
| return "apppodlist"; | ||
| } | ||
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| @Override | ||
| public boolean allowedParameterCount(int parameterCount) { | ||
| return parameterCount == 0 || parameterCount == 2; | ||
| } | ||
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| @Override | ||
| public String invoke(ResolutionContext context, List<String> parameters) { | ||
|
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| final ApiClient client = context.getApiClient(); | ||
| final ComponentInfoRegistry registry = context.getComponentInfoRegistry(); | ||
| final JsonObject resource; | ||
|
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| if (parameters.size() == 0) { | ||
| if (!APPLICATION_KIND.equals(context.getResourceKind())) { | ||
| // The context resource isn't an application. | ||
| return null; | ||
| } | ||
| resource = context.getResource(); | ||
| } | ||
| // Two parameter function | ||
| else { | ||
| // parameters.get(0) :: appNamespace | ||
| // parameters.get(1) :: appName | ||
| final String appNamespace = parameters.get(0); | ||
| final String appName = parameters.get(1); | ||
| try { | ||
| //get application namespaced object | ||
| Object o = registry.getNamespacedObject(client, APPLICATION_KIND, appNamespace, appName); | ||
| resource = KAppNavEndpoint.getItemAsObject(client, o); | ||
| } | ||
| catch (ApiException e) { | ||
| return null; | ||
| } | ||
| } | ||
| List<ComponentKind> componentKinds = ComponentKind.getComponentKinds(client, resource); | ||
| return getPodListFromApp(client, resource, registry, componentKinds); | ||
| } | ||
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| private String getPodListFromApp(ApiClient client, JsonObject resource, ComponentInfoRegistry registry, List<ComponentKind> componentKinds) { | ||
| PodlistResult result = new PodlistResult(); | ||
| //retrieve app namespace from the resource | ||
| String appNamespace = getNameSpaceFromResource(resource); | ||
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| //check if app contains "Deployment" component kind | ||
| componentKinds.forEach(v -> { | ||
| if (v.kind.equals("Deployment")) { | ||
| final Selector aSelector = Selector.getSelector(resource); | ||
| if (!aSelector.isEmpty()) { | ||
| final String alabelSelector = aSelector.toString(); | ||
| try { | ||
| //retrieve deployment object from app with the labels matching | ||
| Object deplO = registry.listClusterObject(client, DEPLOYMENT_KIND, null, alabelSelector, null, null); | ||
| List<JsonObject> deployments = KAppNavEndpoint.getItemsAsList(client, deplO); | ||
| deployments.forEach(d -> { | ||
| Selector dSelector = Selector.getSelector(d); | ||
| if (!dSelector.isEmpty()) { | ||
| final String dlabelSelector = dSelector.toString(); | ||
| try { | ||
| //retrieve pod object from deployment with the label matching | ||
| Object podO = registry.listClusterObject(client, POD_KIND, null, dlabelSelector, null, null); | ||
| List<JsonObject> items = KAppNavEndpoint.getItemsAsList(client, podO); | ||
| items.forEach(p -> { | ||
| JsonElement element = p.get(METADATA_PROPERTY_NAME); | ||
| if (element != null && element.isJsonObject()) { | ||
| JsonObject pmetadata = element.getAsJsonObject(); | ||
| //find pod's namespace matching with app's namespace | ||
| JsonElement pNamespace = pmetadata.get("namespace"); | ||
| if (pNamespace!= null && pNamespace.isJsonPrimitive()) { | ||
| if (pNamespace.getAsString().equals(appNamespace)) { | ||
| //get pod name | ||
| JsonElement pName = pmetadata.get("name"); | ||
| if (pName!= null && pName.isJsonPrimitive()) { | ||
| result.add(pName.getAsString()); | ||
| } | ||
| } | ||
| } | ||
| } | ||
| }); | ||
| } catch (ApiException e) {} | ||
| } | ||
| }); | ||
| } catch (ApiException e) {} | ||
| } | ||
| } | ||
| }); | ||
| return result.getJSON(); | ||
| } | ||
|
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| private String getNameSpaceFromResource(JsonObject resource) { | ||
| String appnamespace = null; | ||
| JsonElement element = resource.get(METADATA_PROPERTY_NAME); | ||
| if (element != null && element.isJsonObject()) { | ||
| JsonObject metadata = element.getAsJsonObject(); | ||
| JsonElement namespace = metadata.get("namespace"); | ||
| if (namespace!= null && namespace.isJsonPrimitive()) { | ||
| appnamespace = namespace.getAsString(); | ||
| } | ||
| } | ||
| return appnamespace; | ||
| } | ||
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| static final class PodlistResult { | ||
| private final JsonObject o; | ||
| private final JsonArray pods; | ||
| // Constructs: | ||
| // { | ||
| // pods: [ <name1>, <name2>, ... ] | ||
| // } | ||
| public PodlistResult() { | ||
| o = new JsonObject(); | ||
| o.add(PODS_PROPERTY_NAME, pods = new JsonArray()); | ||
| } | ||
| public void add(final String name) { | ||
| if (! pods.toString().contains(name)) | ||
| pods.add(name); | ||
| } | ||
| public String getJSON() { | ||
| return o.toString(); | ||
| } | ||
| } | ||
| } | ||
|
|
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