feat(k8s/application): Support multi-container pods applications (#4208)

* feat(application): Support multi-container pods applications

* feat(application): Support multi-container pods applications

* fix(application): use only one pod in app details and fix logs and console links

* fix(application): show all containers in containers datatable

* fix(application): fix order by pod name

* feat(k8s/application): minor UI update

* feat(k8s/application): minor UI update

* feat(k8s/application): minor UI update

* feat(k8s/application): minor UI update

* feat(k8s/application): minor UI update

* fix(application): fix persisted folders in application details

Co-authored-by: Anthony Lapenna <lapenna.anthony@gmail.com>

app/kubernetes/pod/converter.js

@@ -1,5 +1,5 @@
 import _ from 'lodash-es';
-import { KubernetesPod, KubernetesPodToleration, KubernetesPodAffinity } from 'Kubernetes/pod/models';
+import { KubernetesPod, KubernetesPodToleration, KubernetesPodAffinity, KubernetesPodContainer, KubernetesPodContainerTypes } from 'Kubernetes/pod/models';
 
 function computeStatus(statuses) {
   const containerStatuses = _.map(statuses, 'state');
@@ -13,6 +13,21 @@ function computeStatus(statuses) {
   return 'Running';
 }
 
+function computeContainerStatus(statuses, name) {
+  const status = _.find(statuses, { name: name });
+  if (!status) {
+    return 'Terminated';
+  }
+  const state = status.state;
+  if (state.waiting) {
+    return 'Waiting';
+  }
+  if (!state.running) {
+    return 'Terminated';
+  }
+  return 'Running';
+}
+
 function computeAffinity(affinity) {
   const res = new KubernetesPodAffinity();
   if (affinity) {
@@ -33,6 +48,44 @@ function computeTolerations(tolerations) {
   });
 }
 
+function computeContainers(data) {
+  const containers = data.spec.containers;
+  const initContainers = data.spec.initContainers;
+
+  return _.concat(
+    _.map(containers, (item) => {
+      const res = new KubernetesPodContainer();
+      res.Type = KubernetesPodContainerTypes.APP;
+      res.PodName = data.metadata.name;
+      res.Name = item.name;
+      res.Image = item.image;
+      res.Node = data.spec.nodeName;
+      res.CreationDate = data.status.startTime;
+      res.Status = computeContainerStatus(data.status.containerStatuses, item.name);
+      res.Limits = item.resources.limits;
+      res.Requests = item.resources.requests;
+      res.VolumeMounts = item.volumeMounts;
+      res.Env = item.env;
+      return res;
+    }),
+    _.map(initContainers, (item) => {
+      const res = new KubernetesPodContainer();
+      res.Type = KubernetesPodContainerTypes.INIT;
+      res.PodName = data.metadata.name;
+      res.Name = item.name;
+      res.Image = item.image;
+      res.Node = data.spec.nodeName;
+      res.CreationDate = data.status.startTime;
+      res.Status = computeContainerStatus(data.status.containerStatuses, item.name);
+      res.Limits = item.resources.limits;
+      res.Requests = item.resources.requests;
+      res.VolumeMounts = item.volumeMounts;
+      res.Env = item.env;
+      return res;
+    })
+  );
+}
+
 export default class KubernetesPodConverter {
   static apiToModel(data) {
     const res = new KubernetesPod();
@@ -44,7 +97,7 @@ export default class KubernetesPodConverter {
     res.Restarts = _.sumBy(data.status.containerStatuses, 'restartCount');
     res.Node = data.spec.nodeName;
     res.CreationDate = data.status.startTime;
-    res.Containers = data.spec.containers;
+    res.Containers = computeContainers(data);
     res.Labels = data.metadata.labels;
     res.Affinity = computeAffinity(data.spec.affinity);
     res.NodeSelector = data.spec.nodeSelector;

app/kubernetes/pod/models/index.js

@@ -40,3 +40,30 @@ export class KubernetesPodToleration {
     Object.assign(this, JSON.parse(JSON.stringify(_KubernetesPodToleration)));
   }
 }
+
+const _KubernetesPodContainer = Object.freeze({
+  Type: 0,
+  PodName: '',
+  Name: '',
+  Image: '',
+  Node: '',
+  CreationDate: '',
+  Status: '',
+  Limits: {},
+  Requests: {},
+  VolumeMounts: {},
+  ConfigurationVolumes: [],
+  PersistedFolders: [],
+  Env: [],
+});
+
+export class KubernetesPodContainer {
+  constructor() {
+    Object.assign(this, JSON.parse(JSON.stringify(_KubernetesPodContainer)));
+  }
+}
+
+export const KubernetesPodContainerTypes = {
+  INIT: 1,
+  APP: 2,
+};

app/kubernetes/pod/service.js

@@ -36,11 +36,15 @@ class KubernetesPodService {
    *
    * @param {string} namespace
    * @param {string} podName
+   * @param {string} containerName
    */
-  async logsAsync(namespace, podName) {
+  async logsAsync(namespace, podName, containerName) {
     try {
       const params = new KubernetesCommonParams();
       params.id = podName;
+      if (containerName) {
+        params.container = containerName;
+      }
       const data = await this.KubernetesPods(namespace).logs(params).$promise;
       return data.logs.length === 0 ? [] : data.logs.split('\n');
     } catch (err) {
@@ -48,8 +52,8 @@ class KubernetesPodService {
     }
   }
 
-  logs(namespace, podName) {
-    return this.$async(this.logsAsync, namespace, podName);
+  logs(namespace, podName, containerName) {
+    return this.$async(this.logsAsync, namespace, podName, containerName);
   }
 
   /**