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Deleting artifacts in GCP's Cloud Storage (ignores latest and leaves at least two versions)
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| const spawn = require("child_process").spawn; | |
| const KEEP_AT_LEAST = 2; | |
| const CONTAINER_REGISTRIES = [ | |
| "gcr.io/<your project name>", | |
| "eu.gcr.io/<your project name>/gcf/europe-west3" | |
| ]; | |
| async function go(registry) { | |
| console.log(`> ${registry}`); | |
| const images = await command(`gcloud`, [ | |
| "container", | |
| "images", | |
| "list", | |
| `--repository=${registry}`, | |
| "--format=json", | |
| ]); | |
| for (let i = 0; i < images.length; i++) { | |
| console.log(` ${images[i].name}`); | |
| const image = images[i].name; | |
| let tags = await command(`gcloud`, [ | |
| "container", | |
| "images", | |
| "list-tags", | |
| image, | |
| "--format=json", | |
| ]); | |
| const totalImages = tags.length; | |
| // do not touch `latest` | |
| tags = tags.filter(({ tags }) => !tags.find((tag) => tag === "latest")); | |
| // sorting by date | |
| tags.sort((a, b) => { | |
| const d1 = new Date(a.timestamp.datetime); | |
| const d2 = new Date(b.timestamp.datetime); | |
| return d2.getTime() - d1.getTime(); | |
| }); | |
| // keeping at least X number of images | |
| tags = tags.filter((_, i) => i >= KEEP_AT_LEAST); | |
| console.log(` For removal: ${tags.length}/${totalImages}`); | |
| for (let j = 0; j < tags.length; j++) { | |
| console.log( | |
| ` Deleting: ${formatImageTimestamp(tags[j])} | ${tags[j].digest}` | |
| ); | |
| await command("gcloud", [ | |
| "container", | |
| "images", | |
| "delete", | |
| `${image}@${tags[j].digest}`, | |
| "--format=json", | |
| "--quiet", | |
| "--force-delete-tags", | |
| ]); | |
| } | |
| } | |
| } | |
| function command(cmd, args) { | |
| return new Promise((done, reject) => { | |
| const ps = spawn(cmd, args); | |
| let result = ""; | |
| ps.stdout.on("data", (data) => { | |
| result += data; | |
| }); | |
| ps.stderr.on("data", (data) => { | |
| result += data; | |
| }); | |
| ps.on("close", (code) => { | |
| if (code !== 0) { | |
| console.log(`process exited with code ${code}`); | |
| } | |
| try { | |
| done(JSON.parse(result)); | |
| } catch (err) { | |
| done(result); | |
| } | |
| }); | |
| }); | |
| } | |
| function formatImageTimestamp(image) { | |
| const { year, month, day, hour, minute } = image.timestamp; | |
| return `${year}-${month}-${day} ${hour}:${minute}`; | |
| } | |
| (async function () { | |
| for (let i = 0; i < CONTAINER_REGISTRIES.length; i++) { | |
| await go(CONTAINER_REGISTRIES[i]); | |
| } | |
| })(); |
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