chore: Migrate to JS based stackbrew

.github/workflows/official-pr.yml

@@ -10,8 +10,7 @@ on:
       - "**/Dockerfile"
       - "**/architectures"
       - "**/docker-entrypoint.sh"
-      - "generate-stackbrew-library.sh"
+      - "stackbrew.js"
-      - "functions.sh"
       - "config"
 
 jobs:
@@ -36,7 +35,7 @@ jobs:
       - name: Generate Stackbrew for diff
         run: |
           cd docker-node
-          ./generate-stackbrew-library.sh > ../official-images/library/node
+          ./stackbrew.js > ../official-images/library/node
 
       - name: Create PR in official-images
         id: create-pr

10/architectures

@@ -1,8 +0,0 @@
-bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11
-arm32v7        alpine3.10,alpine3.11,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,buster,buster-slim,stretch,stretch-slim
-i386           alpine3.10,alpine3.11
-ppc64le        alpine3.10,alpine3.11,buster,buster-slim
-s390x          alpine3.10,alpine3.11,buster,buster-slim

12/architectures

@@ -1,7 +0,0 @@
-bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11,alpine3.12
-arm32v7        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim,stretch,stretch-slim
-ppc64le        alpine3.10,alpine3.11,alpine3.12,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,buster,buster-slim

14/architectures

@@ -1,7 +0,0 @@
-bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11,alpine3.12,alpine3.13
-arm32v7        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-ppc64le        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim

15/architectures

@@ -1,7 +0,0 @@
-bashbrew-arch  variants
-amd64          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.10,alpine3.11,alpine3.12,alpine3.13
-arm32v7        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-ppc64le        alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
-s390x          alpine3.10,alpine3.11,alpine3.12,alpine3.13,buster,buster-slim

16/architectures

@@ -1,7 +0,0 @@
-bashbrew-arch  variants
-amd64          alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-arm32v6        alpine3.11,alpine3.12,alpine3.13
-arm32v7        alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-arm64v8        alpine3.11,alpine3.12,alpine3.13,buster,buster-slim,stretch,stretch-slim
-ppc64le        alpine3.11,alpine3.12,alpine3.13,buster,buster-slim
-s390x          alpine3.11,alpine3.12,alpine3.13,buster,buster-slim

generate-stackbrew-library.sh

@@ -1,114 +0,0 @@
-#!/usr/bin/env bash
-
-set -e
-. functions.sh
-
-hash git 2> /dev/null || { echo >&2 "git not found, exiting."; }
-
-# Used dynamically: print "$array_" $1
-# shellcheck disable=SC2034
-array_10='10 dubnium'
-# shellcheck disable=SC2034
-array_12='12 erbium'
-# shellcheck disable=SC2034
-array_14='14 fermium lts'
-# shellcheck disable=SC2034
-array_15='15'
-# shellcheck disable=SC2034
-array_16='16 latest current'
-
-default_variant=$(get_config "./" "default_variant")
-
-default_alpine=$(get_config "./" "alpine_version")
-
-cd "$(cd "${0%/*}" && pwd -P)"
-
-self="$(basename "${BASH_SOURCE[0]}")"
-
-IFS=' ' read -ra versions <<< "$(get_versions)"
-IFS=' ' read -ra versions <<< "$(sort_versions "${versions[@]}")"
-url='https://github.com/nodejs/docker-node'
-
-# get the most recent commit which modified any of "$@"
-fileCommit() {
-  git log -1 --format='format:%H' HEAD -- "$@"
-}
-
-echo "# this file is generated via ${url}/blob/$(fileCommit "${self}")/${self}"
-echo
-echo "Maintainers: The Node.js Docker Team <${url}> (@nodejs)"
-echo "GitRepo: ${url}.git"
-echo "GitFetch: refs/heads/main"
-echo
-
-# prints "$2$1$3$1...$N"
-join() {
-  local sep="$1"
-  shift
-  local out
-  printf -v out "${sep//%/%%}%s" "$@"
-  echo "${out#$sep}"
-}
-
-get_stub() {
-  local version="${1}"
-  shift
-  IFS='/' read -ra versionparts <<< "${version}"
-  local stub
-  eval stub="$(join '_' "${versionparts[@]}" | awk -F. '{ print "$array_" $1 }')"
-  echo "${stub}"
-}
-
-for version in "${versions[@]}"; do
-  # Skip "docs" and other non-docker directories
-  [ -f "${version}/Dockerfile" ] || [ -f "${version}/${default_variant}/Dockerfile" ] || continue
-
-  stub=$(get_stub "${version}")
-  commit="$(fileCommit "${version}")"
-  fullVersion="$(get_tag "${version}" full)"
-  majorMinorVersion="$(get_tag "${version}" majorminor)"
-
-  IFS=' ' read -ra versionAliases <<< "$fullVersion $majorMinorVersion $stub"
-
-  if [ -f "${version}/Dockerfile" ]; then
-    # Get supported architectures for a specific version. See details in function.sh
-    IFS=' ' read -ra supportedArches <<< "$(get_supported_arches "${version}" "default")"
-
-    echo "Tags: $(join ', ' "${versionAliases[@]}")"
-    echo "Architectures: $(join ', ' "${supportedArches[@]}")"
-    echo "GitCommit: ${commit}"
-    echo "Directory: ${version}"
-    echo
-  fi
-
-  # Get supported variants according to the target architecture.
-  # See details in function.sh
-  IFS=' ' read -ra variants <<< "$(get_variants "$(dirname "${version}")")"
-  for variant in "${variants[@]}"; do
-    # Skip non-docker directories
-    [ -f "${version}/${variant}/Dockerfile" ] || continue
-
-    commit="$(fileCommit "${version}/${variant}")"
-
-    slash='/'
-    variantAliases=("${versionAliases[@]/%/-${variant//${slash}/-}}")
-    if [ "${variant}" = "${default_variant}-slim" ]; then
-      variantAliases+=("${versionAliases[@]/%/-slim}")
-    elif [ "${variant}" = "alpine${default_alpine}" ]; then
-      variantAliases+=("${versionAliases[@]/%/-alpine}")
-    elif [ "${variant}" = "${default_variant}" ]; then
-      variantAliases+=("${versionAliases[@]}")
-    fi
-    variantAliases=("${variantAliases[@]//latest-/}")
-
-    # Get supported architectures for a specific version and variant.
-    # See details in function.sh
-    IFS=' ' read -ra supportedArches <<< "$(get_supported_arches "${version}" "${variant}")"
-
-    echo "Tags: $(join ', ' "${variantAliases[@]}")"
-    echo "Architectures: $(join ', ' "${supportedArches[@]}")"
-    echo "GitCommit: ${commit}"
-    echo "Directory: ${version}/${variant}"
-    echo
-  done
-done

stackbrew.js

@@ -0,0 +1,152 @@
+#!/usr/bin/env node
+
+const fs = require('fs');
+const path = require('path');
+
+// Grab last git commit
+function getCommitHasForPath(path) {
+  return require('child_process')
+  .execSync(`git log -1 --format=%H HEAD -- ${path}`)
+  .toString().trim()
+}
+
+const stackbrewPath = path.basename(__filename);
+
+// Header
+let stackbrew = `# this file is generated via https://github.com/nodejs/docker-node/blob/${getCommitHasForPath(stackbrewPath)}/${stackbrewPath}
+
+Maintainers: The Node.js Docker Team <https://github.com/nodejs/docker-node> (@nodejs)
+GitRepo: https://github.com/nodejs/docker-node.git
+GitFetch: refs/heads/main\n`;
+
+// Loop versions
+
+const config = require('./versions.json');
+
+const versions = Object.keys(config).reverse()
+
+const now = new Date().getTime()
+const aplineRE = new RegExp(/alpine*/);
+const slimRE = new RegExp(/\*-slim/);
+
+for(version of versions) {
+  let lts = new Date(config[version].lts).getTime();
+  let maintenance = new Date(config[version].maintenance).getTime();
+  let isCurrent = lts > now;
+  let isLTS = (maintenance > now) && (now > lts);
+  let codename = config[version].codename
+  let defaultAlpine = config[version]['alpine-default']
+  let defaultDebian = config[version]['debian-default']
+  let variants = config[version].variants
+  let fullversion;
+  for(variant in variants) {
+    let dockerfilePath = path.join(version, variant, 'Dockerfile');
+    let isAlpine = aplineRE.test(variant)
+    let isSlim = slimRE.test(variant)
+    let isDefaultSlim = new RegExp(`${defaultDebian}-slim`).test(variant)
+
+    // Get full version from the first Dockerfile
+    if (!fullversion) {
+      let dockerfile = fs.readFileSync(dockerfilePath, 'utf-8')
+      fullversion = dockerfile.match(/ENV NODE_VERSION (?<major>\d+)\.(?<minor>\d+)\.(?<patch>\d+)/)
+    }
+    let tags = [
+      `${fullversion.groups.major}.${fullversion.groups.minor}.${fullversion.groups.patch}-${variant}`,
+      `${fullversion.groups.major}.${fullversion.groups.minor}-${variant}`,
+      `${fullversion.groups.major}-${variant}`,
+    ]
+
+    if (codename) {
+      tags.push(`${codename}-${variant}`)
+    }
+
+    if (variant === defaultAlpine) {
+      tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}.${fullversion.groups.patch}-alpine`)
+      tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}-alpine`)
+      tags.push(`${fullversion.groups.major}-alpine`)
+      if (codename) {
+        tags.push(`${codename}-alpine`)
+      }
+    }
+
+    if (variant === defaultDebian) {
+      tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}.${fullversion.groups.patch}`)
+      tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}`)
+      tags.push(`${fullversion.groups.major}`)
+      if (isSlim) {
+        tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}.${fullversion.groups.patch}-slim`)
+        tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}-slim`)
+        tags.push(`${fullversion.groups.major}-slim`)
+      }
+      if (codename) {
+        tags.push(`${codename}`)
+      }
+    }
+    if (isDefaultSlim) {
+      tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}.${fullversion.groups.patch}-slim`)
+      tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}-slim`)
+      tags.push(`${fullversion.groups.major}-slim`)
+      if (codename) {
+        tags.push(`${codename}-slim`)
+      }
+    }
+
+    if (isCurrent) {
+      if (variant === defaultAlpine) {
+        tags.push(variant)
+        tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}.${fullversion.groups.patch}-alpine`)
+        tags.push(`${fullversion.groups.major}.${fullversion.groups.minor}-alpine`)
+        tags.push(`${fullversion.groups.major}-alpine`)
+        tags.push('alpine')
+        tags.push('current-alpine')
+      }
+      if (variant === defaultDebian) {
+        tags.push(variant)
+        tags.push('latest')
+        tags.push('current')
+      }
+      if (isAlpine) {
+        tags.push(`${variant}`)
+        tags.push(`current-${variant}`)
+      }
+      if (!isAlpine) {
+        tags.push(`${variant}`)
+        tags.push(`current-${variant}`)
+      }
+      if (isDefaultSlim) {
+        tags.push('slim')
+        tags.push('current-slim')
+      }
+    }
+
+    if (isLTS) {
+      tags.push(`lts-${variant}`)
+      if (variant === defaultAlpine) {
+      }
+      if (variant === defaultDebian) {
+        tags.push('lts')
+        if (codename) {
+          tags.push(`lts-${codename}`)
+        }
+      }
+      if (isDefaultSlim) {
+        tags.push(`lts-slim`)
+      }
+      if (variant === defaultAlpine) {
+        tags.push(`lts-alpine`)
+      }
+    }
+
+    // remove duplicates
+    tags = tags.filter((x, i, a) => a.indexOf(x) == i)
+    tags = tags.sort()
+
+    stackbrew += `\nTags: ${tags.join(', ')}\n`
+    stackbrew += `Architectures: ${config[version].variants[variant].join(', ')}\n`
+    stackbrew += `GitCommit: ${getCommitHasForPath(dockerfilePath)}\n`
+    stackbrew += `Directory: ${version}/${variant}\n`
+  }
+}
+
+// output
+console.log(stackbrew)

versions.json

@@ -0,0 +1,305 @@
+{
+  "16": {
+    "start": "2021-04-20",
+    "lts": "2021-10-26",
+    "maintenance": "2022-10-18",
+    "end": "2024-04-30",
+    "codename": "",
+    "alpine-default": "alpine3.13",
+    "debian-default": "buster",
+    "variants": {
+      "alpine3.11": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.12": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.13": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "stretch": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ],
+      "stretch-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ]
+    }
+  },
+  "15": {
+    "start": "2020-10-20",
+    "maintenance": "2021-04-01",
+    "end": "2021-06-01",
+    "alpine-default": "alpine3.11",
+    "debian-default": "stretch",
+    "variants": {
+      "alpine3.10": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.11": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.12": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.13": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "stretch": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ],
+      "stretch-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ]
+    }
+  },
+  "14": {
+    "start": "2020-04-21",
+    "lts": "2020-10-27",
+    "maintenance": "2021-10-19",
+    "end": "2023-04-30",
+    "codename": "fermium",
+    "alpine-default": "alpine3.11",
+    "debian-default": "stretch",
+    "variants": {
+      "alpine3.10": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.11": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.12": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.13": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "stretch": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ],
+      "stretch-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ]
+    }
+  },
+  "12": {
+    "start": "2019-04-23",
+    "lts": "2019-10-21",
+    "maintenance": "2020-11-30",
+    "end": "2022-04-30",
+    "codename": "erbium",
+    "alpine-default": "alpine3.11",
+    "debian-default": "stretch",
+    "variants": {
+      "alpine3.10": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.11": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.12": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "stretch": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ],
+      "stretch-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ]
+    }
+  },
+  "10": {
+    "start": "2018-04-24",
+    "lts": "2018-10-30",
+    "maintenance": "2020-05-19",
+    "end": "2021-04-30",
+    "codename": "dubnium",
+    "alpine-default": "alpine3.11",
+    "debian-default": "stretch",
+    "variants": {
+      "alpine3.10": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "i386",
+        "ppc64le",
+        "s390x"
+      ],
+      "alpine3.11": [
+        "amd64",
+        "arm32v6",
+        "arm32v7",
+        "arm64v8",
+        "i386",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "buster-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8",
+        "ppc64le",
+        "s390x"
+      ],
+      "stretch": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ],
+      "stretch-slim": [
+        "amd64",
+        "arm32v7",
+        "arm64v8"
+      ]
+    }
+  }
+}