Add cmd to generate image pull secret

This requires kubernetes cluster and docker registry integrated with codefresh

docs/content/more/_index.md

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++++
+title = "More"
+weight = 40
++++
+
+
+{{COMMANDS}}

lib/interface/cli/commands/imagePullSecret/generate.cmd.js

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+const debug = require('debug')('codefresh:cli:generate:imagePullSecret');
+const Command = require('../../Command');
+const genCmd = require('../root/generate.cmd');
+const {
+    generateImagePullSecret,
+} = require('./../../../../logic/api/kubernetes');
+
+const command = new Command({
+    command: 'image-pull-secret',
+    parent: genCmd,
+    description: 'Generate image pull secret on Kubernetes cluster from integrated Docker registry',
+    usage: `
+    For Kuberentes cluster to pull an image from your private registry it needs special secret typed as \`kubernetes.io/dockercfg\`.
+    After this secret been created you can use them in pod template that lives in the same namespace.
+    You can generate this secret from any integrated Docker registry on your account.
+    More information about image pull secret can be found here: https://kubernetes.io/docs/tasks/configure-pod-container/pull-image-private-registry/`,
+    webDocs: {
+        category: 'More',
+        title: 'Image Pull Secret',
+    },
+    builder: (yargs) => {
+        return yargs
+            .option('cluster', {
+                describe: 'cluster name',
+                required: true,
+            })
+            .option('namespace', {
+                describe: 'namespace name',
+                default: 'default',
+            })
+            .option('registry', {
+                describe: 'name of Docker registry to generate pull secret from',
+                required: true,
+            })
+            .example('codefresh generate image-pull-secret --cluster cluster --registry cfcr', 'Generate image pull secret');
+    },
+    handler: async (argv) => {
+        const res = await generateImagePullSecret({
+            cluster: argv.cluster,
+            namespace: argv.namespace,
+            registry: argv.registry,
+        });
+        console.log(`Image Pull Secret created with name: ${res.name}`);
+        console.log('Avaliable via kubectl:');
+        console.log(`kubectl get secret --context ${argv.cluster} --namespace ${argv.namespace} ${res.name}`);
+    },
+});
+
+module.exports = command;
+

lib/interface/cli/commands/root/generate.cmd.js

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+const Command = require('../../Command');
+const yargs = require('yargs');
+
+const get = new Command({
+    root: true,
+    command: 'generate',
+    description: 'Generate resources as Kubernetes image pull secret and Codefresh Registry token',
+    usage: 'Codefresh generate --help',
+    handler: async () => {
+        yargs.showHelp();
+    },
+});
+
+module.exports = get;

lib/logic/api/kubernetes.js

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+const CFError = require('cf-errors'); // eslint-disable-line
+const { sendHttpRequest } = require('./helper');
+
+
+const generateImagePullSecret = async (data) => {
+    const body = {
+        registry: data.registry,
+    };
+
+    const options = {
+        url: '/api/kubernetes/secrets/imagePullSecret',
+        method: 'POST',
+        qs: {
+            namespace: data.namespace,
+            selector: data.cluster,
+        },
+        body,
+    };
+    return sendHttpRequest(options);
+};
+
+
+module.exports = {
+    generateImagePullSecret,
+};

package.json

@@ -1,6 +1,6 @@
 {
   "name": "codefresh",
-  "version": "0.8.19",
+  "version": "0.8.20",
   "description": "Codefresh command line utility",
   "main": "index.js",
   "preferGlobal": true,