Add chart-releaser action

Signed-off-by: Reinhard Naegele <unguiculus@gmail.com>

action.yml

@@ -0,0 +1,14 @@
+name: "chart-releaser action"
+description: "Run the chart-releaser tool"
+author: "unguiculus"
+inputs:
+  charts-dir:
+    description: The charts directory
+    default: charts
+  charts-repo-url:
+    description: "The GitHub Pages URL to the charts repo (default: https://<owner>.github.io/<repo>)"
+  token:
+    description: The GitHub token
+runs:
+  using: "node12"
+  main: "lib/main.js"

package-lock.json

@@ -0,0 +1,77 @@
+{
+  "name": "chart-testing",
+  "version": "0.0.0",
+  "lockfileVersion": 1,
+  "requires": true,
+  "dependencies": {
+    "@actions/core": {
+      "version": "1.2.0",
+      "resolved": "https://registry.npmjs.org/@actions/core/-/core-1.2.0.tgz",
+      "integrity": "sha512-ZKdyhlSlyz38S6YFfPnyNgCDZuAF2T0Qv5eHflNWytPS8Qjvz39bZFMry9Bb/dpSnqWcNeav5yM2CTYpJeY+Dw=="
+    },
+    "@actions/exec": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/exec/-/exec-1.0.1.tgz",
+      "integrity": "sha512-nvFkxwiicvpzNiCBF4wFBDfnBvi7xp/as7LE1hBxBxKG2L29+gkIPBiLKMVORL+Hg3JNf07AKRfl0V5djoypjQ=="
+    },
+    "@actions/io": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/@actions/io/-/io-1.0.1.tgz",
+      "integrity": "sha512-rhq+tfZukbtaus7xyUtwKfuiCRXd1hWSfmJNEpFgBQJ4woqPEpsBw04awicjwz9tyG2/MVhAEMfVn664Cri5zA=="
+    },
+    "@actions/tool-cache": {
+      "version": "1.1.2",
+      "resolved": "https://registry.npmjs.org/@actions/tool-cache/-/tool-cache-1.1.2.tgz",
+      "integrity": "sha512-IJczPaZr02ECa3Lgws/TJEVco9tjOujiQSZbO3dHuXXjhd5vrUtfOgGwhmz3/f97L910OraPZ8SknofUk6RvOQ==",
+      "requires": {
+        "@actions/core": "^1.1.0",
+        "@actions/exec": "^1.0.1",
+        "@actions/io": "^1.0.1",
+        "semver": "^6.1.0",
+        "typed-rest-client": "^1.4.0",
+        "uuid": "^3.3.2"
+      }
+    },
+    "@types/node": {
+      "version": "12.12.8",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-12.12.8.tgz",
+      "integrity": "sha512-XLla8N+iyfjvsa0KKV+BP/iGSoTmwxsu5Ci5sM33z9TjohF72DEz95iNvD6pPmemvbQgxAv/909G73gUn8QR7w==",
+      "dev": true
+    },
+    "semver": {
+      "version": "6.3.0",
+      "resolved": "https://registry.npmjs.org/semver/-/semver-6.3.0.tgz",
+      "integrity": "sha512-b39TBaTSfV6yBrapU89p5fKekE2m/NwnDocOVruQFS1/veMgdzuPcnOM34M6CwxW8jH/lxEa5rBoDeUwu5HHTw=="
+    },
+    "tunnel": {
+      "version": "0.0.4",
+      "resolved": "https://registry.npmjs.org/tunnel/-/tunnel-0.0.4.tgz",
+      "integrity": "sha1-LTeFoVjBdMmhbcLARuxfxfF0IhM="
+    },
+    "typed-rest-client": {
+      "version": "1.5.0",
+      "resolved": "https://registry.npmjs.org/typed-rest-client/-/typed-rest-client-1.5.0.tgz",
+      "integrity": "sha512-DVZRlmsfnTjp6ZJaatcdyvvwYwbWvR4YDNFDqb+qdTxpvaVP99YCpBkA8rxsLtAPjBVoDe4fNsnMIdZTiPuKWg==",
+      "requires": {
+        "tunnel": "0.0.4",
+        "underscore": "1.8.3"
+      }
+    },
+    "typescript": {
+      "version": "3.7.2",
+      "resolved": "https://registry.npmjs.org/typescript/-/typescript-3.7.2.tgz",
+      "integrity": "sha512-ml7V7JfiN2Xwvcer+XAf2csGO1bPBdRbFCkYBczNZggrBZ9c7G3riSUeJmqEU5uOtXNPMhE3n+R4FA/3YOAWOQ==",
+      "dev": true
+    },
+    "underscore": {
+      "version": "1.8.3",
+      "resolved": "https://registry.npmjs.org/underscore/-/underscore-1.8.3.tgz",
+      "integrity": "sha1-Tz+1OxBuYJf8+ctBCfKl6b36UCI="
+    },
+    "uuid": {
+      "version": "3.3.3",
+      "resolved": "https://registry.npmjs.org/uuid/-/uuid-3.3.3.tgz",
+      "integrity": "sha512-pW0No1RGHgzlpHJO1nsVrHKpOEIxkGg1xB+v0ZmdNH5OAeAwzAVrCnI2/6Mtx+Uys6iaylxa+D3g4j63IKKjSQ=="
+    }
+  }
+}

package.json

@@ -0,0 +1,22 @@
+{
+  "name": "chart-testing",
+  "version": "0.0.0",
+  "description": "kind GitHub action",
+  "main": "lib/main.js",
+  "scripts": {
+    "build": "tsc",
+    "test": "jest"
+  },
+  "author": "The Helm Authors",
+  "license": "Apache",
+  "dependencies": {
+    "@actions/core": "^1.2.0",
+    "@actions/tool-cache": "^1.1.2",
+    "@actions/exec": "^1.0.1",
+    "@actions/io": "^1.0.1"
+  },
+  "devDependencies": {
+    "@types/node": "^12.12.8",
+    "typescript": "^3.7.2"
+  }
+}

src/cr.ts

@@ -0,0 +1,87 @@
+// Copyright The Helm Authors
+//
+// 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
+//
+//     https://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.
+
+import * as exec from '@actions/exec';
+import * as io from '@actions/io';
+import {cr, git, helm} from "./tools";
+
+export class ChartReleaser {
+    constructor(private readonly owner: string, private readonly repository: string,
+                private readonly chartRepoUrl: string, private readonly token: string) {
+        if (owner === "") {
+            throw new Error("owner is required")
+        }
+        if (repository === "") {
+            throw new Error("repository is required")
+        }
+        if (chartRepoUrl == "") {
+            this.chartRepoUrl = `https://${this.owner}.github.io/${this.repository}`
+        }
+        if (token === "") {
+            throw new Error("token is required")
+        }
+    }
+
+    async execute(charts: Set<string>) {
+        if (charts.size === 0) {
+            console.log("Charts set is emtpy. Nothing to do.")
+            return
+        }
+
+        await io.rmRF(".cr-release-packages");
+        await io.mkdirP(".cr-release-packages");
+
+        await io.rmRF(".cr-index");
+        await io.mkdirP(".cr-index");
+
+        for (const chart of charts) {
+            await this.packageChart(chart)
+        }
+
+        await this.releaseCharts();
+        await this.updateIndex();
+    }
+
+    private async packageChart(chart: string) {
+        console.log(`Packacking chart '${chart}'...`);
+
+        await helm("package", chart, "--destination", ".cr-release-packages", "--save=false", "--dependency-update");
+    }
+
+    private async releaseCharts() {
+        console.log("Releasing charts...");
+
+        await cr(this.token, "upload", "-o", this.owner, "-r", this.repository);
+    }
+
+    private async updateIndex() {
+        console.log("Updating repo index...");
+
+        await cr(this.token, "index", "-o", this.owner, "-r", this.repository, "-c", this.chartRepoUrl);
+
+        await git("checkout", "gh-pages");
+
+        await exec.exec("cp", ["--force", ".cr-index/index.yaml", "index.yaml"]);
+
+        const actor = process.env["GITHUB_ACTOR"] || "";
+        await git("config", "--local", "user.name", actor);
+        await git("config", "--local", "user.email", "noreply@github.com");
+
+        await git("add", "index.yaml");
+        await git("commit", "--message='Update index.yaml'", "--signoff");
+
+        const repoUrl = `https://x-access-token:${this.token}@github.com/${this.owner}/${this.repository}`;
+        await git("push", repoUrl, "gh-pages");
+    }
+}

src/main.ts

@@ -0,0 +1,90 @@
+// Copyright The Helm Authors
+//
+// 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
+//
+//     https://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.
+
+import * as core from '@actions/core';
+import {ChartReleaser} from "./cr";
+import {git} from "./tools";
+
+const ChartsDirInput = "charts-dir";
+const ChartsRepoUrlInput = "charts-repo-url";
+const TokenInput = "token";
+
+export function createChartReleaser(): ChartReleaser {
+    const ownerRepo = process.env["GITHUB_REPOSITORY"] || "";
+    const split = ownerRepo.split("/");
+    const owner = split[0];
+    const repo = split[1];
+
+    const chartsRepoUrl = core.getInput(ChartsRepoUrlInput);
+    const token = core.getInput(TokenInput);
+    return new ChartReleaser(owner, repo, chartsRepoUrl, token)
+}
+
+async function run() {
+    try {
+        const workspace = process.env["GITHUB_WORKSPACE"];
+        if (workspace !== process.cwd()) {
+            core.setFailed("action must be run in the workspace root");
+            return
+        }
+
+        let chartsDir = core.getInput(ChartsDirInput);
+        if (chartsDir === "") {
+            chartsDir = "charts"
+        }
+
+        console.log("Looking up latest tag...");
+        const tag = await findLatestTag();
+
+        console.log(`Identifying changed charts since ${tag}...`)
+        const charts = await findChangedCharts(chartsDir, tag);
+
+        if (charts.size == 0) {
+            console.log("Nothing to do. No chart changes detected.")
+            return
+        }
+
+        const cr = createChartReleaser();
+        await cr.execute(charts)
+    } catch (error) {
+        core.setFailed(error.message);
+    }
+}
+
+async function findLatestTag(): Promise<string> {
+    let tag: string;
+    try {
+        tag = await git("describe", "--tags", "--abbrev=0");
+    } catch (ex) {
+        console.log("No tag found in repo. Getting first commit instead...");
+        tag = await git("rev-list", "--max-parents=0", "--first-parent", "HEAD");
+    }
+    return tag.trim()
+}
+
+export async function findChangedCharts(chartsDir: string, ref: string): Promise<Set<string>> {
+    let changes = await git("diff", "--find-renames", "--name-only", ref, "--", chartsDir);
+    const set = new Set<string>();
+
+    changes = changes.trim();
+    if (changes) {
+        for (let change of changes.split("\n")) {
+            const split = change.split("/");
+            set.add(split[0] + "/" + split[1])
+        }
+    }
+    return set
+}
+
+run();

src/tools.ts

@@ -0,0 +1,61 @@
+import * as exec from '@actions/exec';
+import * as io from '@actions/io';
+import fs from 'fs';
+
+export async function git(...args: string[]): Promise<string> {
+    let output = '';
+
+    const options = {};
+    // @ts-ignore
+    options.listeners = {
+        stdout: (data: Buffer) => {
+            output += data.toString();
+        }
+    };
+
+    await exec.exec("git", args, options);
+    return output
+}
+
+export async function helm(...args: string[]) {
+    const home = process.env["HOME"];
+    const workspace = process.env["GITHUB_WORKSPACE"];
+
+    const dockerArgs = [
+        "run",
+        "--interactive",
+        "--rm",
+        "--volume", `${home}/.helm:/root/.helm`,
+        "--volume", `${workspace}:/workdir`,
+        "--workdir", "/workdir",
+        "lachlanevenson/k8s-helm:v2.16.1"
+    ];
+
+    if (!fs.existsSync(`${home}/.helm`)) {
+        await io.mkdirP(`${home}/.helm`);
+        await exec.exec("docker", dockerArgs.concat("init", "--client-only"))
+    }
+    await exec.exec("docker", dockerArgs.concat(args));
+}
+
+export async function cr(token: string, ...args: string[]) {
+    const workspace = process.env["GITHUB_WORKSPACE"];
+
+    const options = {};
+    // @ts-ignore
+    options.env = {
+        CR_TOKEN: token
+    };
+
+    const dockerArgs = [
+        "run",
+        "--interactive",
+        "--rm",
+        "--env", "CR_TOKEN",
+        "--volume", `${workspace}:/workdir`,
+        "--workdir", "/workdir",
+        "quay.io/helmpack/chart-releaser:v0.2.3"
+    ];
+
+    await exec.exec("docker", dockerArgs.concat("cr", args), options);
+}

tsconfig.json

@@ -0,0 +1,24 @@
+{
+  "compilerOptions": {
+    "target": "es6",
+    "module": "commonjs",
+    "outDir": "./lib",
+    "rootDir": "./src",
+    "strict": true,
+    "noImplicitAny": false,
+    "strictNullChecks": true,
+    "strictFunctionTypes": true,
+    "strictBindCallApply": true,
+    "strictPropertyInitialization": true,
+    "noImplicitThis": true,
+    "alwaysStrict": true,
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    "esModuleInterop": true
+  },
+  "exclude": [
+    "node_modules"
+  ]
+}