Fetches names and versions of all dependencies of particular Jenkins Plugin. Useful for automatic plugin installations via DevOps tools like Ansible, when all required plugin dependencies have to be manually installed via Jenkins CLI

Jenkins plugin dependencies tree fetcher

// This is app.js file 
var request = require("request"),
  cheerio = require("cheerio"),
  _ = require("lodash");

var foundDependencies = [];

function findDependencies(error, response, body, currentDependency) {
  if (error) {
    console.log("We’ve encountered an error: " + error);
    return;
  }

  var $ = cheerio.load(body);

  if (currentDependency) {
    var latestVersion = $(".confluenceTd a").filter((index, dependency) =>_.contains(dependency.attribs.href, "latest"))[0];
    currentDependency.version = latestVersion.children[0].data;
    console.log(currentDependency.name + ", " + currentDependency.version);
  }

  var newDependencies = $(".confluenceTd a")
    .map((index, dependency) => ({
      href: dependency.attribs.href,
      name: dependency.children[0].data,
      optional: dependency.next && _.contains(dependency.next.data, "optional")
    }))
    .filter((index, dependency) =>_.contains(dependency.href, "display/JENKINS") && dependency.name && !dependency.optional)
    .filter((index, dependency) => !_.contains(foundDependencies.map(dep => dep.name), dependency.name));

  newDependencies.each((index, dependency) => {
    foundDependencies.push(dependency);
    request(dependency.href, (error, response, body) => {
      findDependencies(error, response, body, dependency);
    });
  });
}

request("https://wiki.jenkins-ci.org/display/JENKINS/SSH+Agent+Plugin", findDependencies);

Example output (for SSH Agent plugin):

ssh-credentials, 1.11
workflow-step-api, 1.12
credentials, 1.24
workflow-scm-step, 1.12
workflow-cps, 1.12
workflow-durable-task-step, 1.12
workflow-support, 1.12
workflow-api, 1.12
workflow-job, 1.12
workflow-basic-steps, 1.12
workflow-cps-global-lib, 1.12

How to run

To run (Node.js required):
npm install
node --harmony app.js

package.json

{
  "name": "jenkins-dependencies",
  "version": "1.0.0",
  "main": "app.js",
  "dependencies": {
    "cheerio": "^0.19.0",
    "lodash": "^3.10.1",
    "request": "^2.67.0"
  }
}

Hi,
Is it possible to run it on a jenkins to check what is missing or what should be update s.
Thanks