refactor: convert oci_toolchain to crane_toolchain (bazel-contrib#25)

* refactor: convert oci_toolchain to crane_toolchain * chore: expose LATEST_CRANE_VERSION Makes it more consistent with our other rules Co-authored-by: Alex Eagle <[email protected]>
archen · Aug 9, 2022 · ff8f25d · ff8f25d
1 parent 674eea4
commit ff8f25d
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Showing 10 changed files with 298 additions and 145 deletions.
diff --git a/WORKSPACE b/WORKSPACE
@@ -7,14 +7,16 @@ load(":internal_deps.bzl", "rules_oci_internal_deps")
 # Fetch deps needed only locally for development
 rules_oci_internal_deps()
 
-load("//oci:repositories.bzl", "oci_register_toolchains", "rules_oci_dependencies")
+load("//oci:dependencies.bzl", "rules_oci_dependencies")
 
 # Fetch our "runtime" dependencies which users need as well
 rules_oci_dependencies()
 
+load("//oci:repositories.bzl", "LATEST_CRANE_VERSION", "oci_register_toolchains")
+
 oci_register_toolchains(
     name = "container",
-    crane_version = "v0.7.1-thesayyn",
+    crane_version = LATEST_CRANE_VERSION,
 )
 
 # For running our own unit tests

diff --git a/oci/BUILD.bazel b/oci/BUILD.bazel
@@ -7,7 +7,7 @@ exports_files(["container.bzl"])
 # attribute in order to get a runtime for the correct platform.
 # See https://docs.bazel.build/versions/main/toolchains.html#writing-rules-that-use-toolchains
 toolchain_type(
-    name = "toolchain_type",
+    name = "crane_toolchain_type",
     visibility = ["//visibility:public"],
 )
 

diff --git a/oci/dependencies.bzl b/oci/dependencies.bzl
@@ -0,0 +1,37 @@
+"""Declare runtime dependencies
+
+These are needed for local dev, and users must install them as well.
+See https://docs.bazel.build/versions/main/skylark/deploying.html#dependencies
+"""
+
+load("@bazel_tools//tools/build_defs/repo:http.bzl", _http_archive = "http_archive")
+load("@bazel_tools//tools/build_defs/repo:utils.bzl", "maybe")
+
+def http_archive(name, **kwargs):
+    maybe(_http_archive, name = name, **kwargs)
+
+# WARNING: any changes in this function may be BREAKING CHANGES for users
+# because we'll fetch a dependency which may be different from one that
+# they were previously fetching later in their WORKSPACE setup, and now
+# ours took precedence. Such breakages are challenging for users, so any
+# changes in this function should be marked as BREAKING in the commit message
+# and released only in semver majors.
+def rules_oci_dependencies():
+    # The minimal version of bazel_skylib we require
+    http_archive(
+        name = "bazel_skylib",
+        sha256 = "c6966ec828da198c5d9adbaa94c05e3a1c7f21bd012a0b29ba8ddbccb2c93b0d",
+        urls = [
+            "https://github.com/bazelbuild/bazel-skylib/releases/download/1.1.1/bazel-skylib-1.1.1.tar.gz",
+            "https://mirror.bazel.build/github.com/bazelbuild/bazel-skylib/releases/download/1.1.1/bazel-skylib-1.1.1.tar.gz",
+        ],
+    )
+
+    http_archive(
+        name = "rules_pkg",
+        urls = [
+            "https://mirror.bazel.build/github.com/bazelbuild/rules_pkg/releases/download/0.5.1/rules_pkg-0.5.1.tar.gz",
+            "https://github.com/bazelbuild/rules_pkg/releases/download/0.5.1/rules_pkg-0.5.1.tar.gz",
+        ],
+        sha256 = "a89e203d3cf264e564fcb96b6e06dd70bc0557356eb48400ce4b5d97c2c3720d",
+    )
diff --git a/oci/private/container.bzl b/oci/private/container.bzl
@@ -16,7 +16,7 @@ def _strip_external(path):
     return path[len("external/"):] if path.startswith("external/") else path
 
 def _impl(ctx):
-    toolchain = ctx.toolchains["@aspect_rules_oci//oci:toolchain_type"]
+    toolchain = ctx.toolchains["@aspect_rules_oci//oci:crane_toolchain_type"]
 
     launcher = ctx.actions.declare_file("crane.sh")
 
@@ -26,7 +26,7 @@ def _impl(ctx):
         """#!/usr/bin/env bash
 set -euo pipefail
 {crane} $@""".format(
-            crane = toolchain.oci_info.crane_path,
+            crane = toolchain.crane_info.crane_path,
         ),
         is_executable = True,
     )
@@ -48,7 +48,7 @@ set -euo pipefail
 
     inputs = list()
 
-    inputs.extend(toolchain.oci_info.crane_files)
+    inputs.extend(toolchain.crane_info.crane_files)
 
     if ctx.attr.layers:
         pull.add("--new_layer")
@@ -84,7 +84,7 @@ set -euo pipefail
         mutate.add_joined("--cmd", ctx.attr.cmd, join_with = ",")
 
     ctx.actions.run(
-        inputs = [tar] + toolchain.oci_info.crane_files,
+        inputs = [tar] + toolchain.crane_info.crane_files,
         arguments = [mutate],
         outputs = [result_tar],
         executable = launcher,
@@ -100,5 +100,5 @@ set -euo pipefail
 container = struct(
     implementation = _impl,
     attrs = _attrs,
-    toolchains = ["@aspect_rules_oci//oci:toolchain_type"],
+    toolchains = ["@aspect_rules_oci//oci:crane_toolchain_type"],
 )
diff --git a/oci/private/toolchains_repo.bzl b/oci/private/toolchains_repo.bzl
@@ -76,68 +76,73 @@ PLATFORMS = {
     ),
 }
 
-def _toolchains_repo_impl(repository_ctx):
-    # Expose a concrete toolchain which is the result of Bazel resolving the toolchain
-    # for the execution or target platform.
-    # Workaround for https://github.com/bazelbuild/bazel/issues/14009
-    starlark_content = """# Generated by toolchains_repo.bzl
+DEFS_TMPL = """\
+# Generated by toolchains_repo.bzl for {toolchain_type}
+load("@bazel_skylib//lib:structs.bzl", "structs")
 
 # Forward all the providers
 def _resolved_toolchain_impl(ctx):
-    toolchain_info = ctx.toolchains["@aspect_rules_oci//oci:toolchain_type"]
-    return [
-        toolchain_info,
-        toolchain_info.default,
-        toolchain_info.oci_info,
-        toolchain_info.template_variables,
-    ]
+    toolchain_info = ctx.toolchains["{toolchain_type}"]
+    return [toolchain_info] + structs.to_dict(toolchain_info).values()
 
 # Copied from java_toolchain_alias
 # https://cs.opensource.google/bazel/bazel/+/master:tools/jdk/java_toolchain_alias.bzl
 resolved_toolchain = rule(
     implementation = _resolved_toolchain_impl,
-    toolchains = ["@aspect_rules_oci//oci:toolchain_type"],
+    toolchains = ["{toolchain_type}"],
     incompatible_use_toolchain_transition = True,
 )
 """
-    repository_ctx.file("defs.bzl", starlark_content)
 
-    build_content = """# Generated by toolchains_repo.bzl
+TOOLCHAIN_TMPL = """\
+toolchain(
+    name = "{platform}_toolchain",
+    exec_compatible_with = {compatible_with},
+    target_compatible_with = {compatible_with},
+    toolchain = "{toolchain}",
+    toolchain_type = "{toolchain_type}",
+)
+"""
+
+BUILD_HEADER_TMPL = """\
+# Generated by toolchains_repo.bzl
 #
 # These can be registered in the workspace file or passed to --extra_toolchains flag.
-# By default all these toolchains are registered by the oci_register_toolchains macro
+# By default all of these toolchains are registered by the oci_register_toolchains macro
 # so you don't normally need to interact with these targets.
 
 load(":defs.bzl", "resolved_toolchain")
 
 resolved_toolchain(name = "resolved_toolchain", visibility = ["//visibility:public"])
-
 """
 
+def _toolchains_repo_impl(repository_ctx):
+    # Expose a concrete toolchain which is the result of Bazel resolving the toolchain
+    # for the execution or target platform.
+    # Workaround for https://github.com/bazelbuild/bazel/issues/14009
+    defs_content = DEFS_TMPL.format(
+        toolchain_type = repository_ctx.attr.toolchain_type,
+    )
+    repository_ctx.file("defs.bzl", defs_content)
+
+    build_content = BUILD_HEADER_TMPL
+
     for [platform, meta] in PLATFORMS.items():
-        build_content += """
-toolchain(
-    name = "{platform}_toolchain",
-    exec_compatible_with = {compatible_with},
-    target_compatible_with = {compatible_with},
-    toolchain = "@{user_repository_name}_{platform}//:oci_toolchain",
-    toolchain_type = "@aspect_rules_oci//oci:toolchain_type",
-)
-""".format(
+        build_content += TOOLCHAIN_TMPL.format(
             platform = platform,
             name = repository_ctx.attr.name,
-            user_repository_name = repository_ctx.attr.user_repository_name,
             compatible_with = meta.compatible_with,
+            toolchain_type = repository_ctx.attr.toolchain_type,
+            toolchain = repository_ctx.attr.toolchain.format(platform = platform),
         )
 
-    # Base BUILD file for this repository
     repository_ctx.file("BUILD.bazel", build_content)
 
 toolchains_repo = repository_rule(
     _toolchains_repo_impl,
-    doc = """Creates a repository with toolchain definitions for all known platforms
-     which can be registered or selected.""",
+    doc = "Creates a repository with toolchain definitions for all known platforms which can be registered or selected.",
     attrs = {
-        "user_repository_name": attr.string(doc = "what the user chose for the base name"),
+        "toolchain": attr.string(doc = "Label of the toolchain with {platform} left as placeholder. example; @container_crane_{platform}//:crane_toolchain"),
+        "toolchain_type": attr.string(doc = "Label of the toolchain_type. example; //oci:crane_toolchain_type"),
     },
 )
diff --git a/oci/private/versions.bzl b/oci/private/versions.bzl
@@ -1,14 +1,163 @@
 "Mirror of release info"
-TOOL_VERSIONS = {
-    "v0.7.1-thesayyn": {
-        "darwin_arm64": "sha256-Hv4xtW7Uc69mGjGb/+6Se0Ygk9Pyzd93dI5grPXTdyY=",
-        "darwin_x86_64": "sha256-slPkZNL2ILeMeOw1x/Kakfwj0fjJKkbQCs7If6BwKe0=",
-        "linux_arm64": "sha256-DfQNF3Y+1zNtKDUGCKyAYfdk+PK8VsCphjN4KB27KsM=",
-        "linux_armv6": "sha256-oN3uT5ehoKVPaiyQBo7aMzuKt1Wu/XPDhmLSUtFxpK0=",
-        "linux_i386": "sha256-5x33V3R7DJHzOuzO7SRaVHivCjEOrbs+DD8hCnG957w=",
-        "linux_s390x": "sha256-uM0IZLqAL+hJKmX0umRs2hE5tgfCeMZzhoX8tZrlK40=",
-        "linux_x86_64": "sha256-TfjdNXk8DzaUKuEgh1ryZix+yL8+YcbH8g0W6JjlfcA=",
-        "windows_armv6": "sha256-rSpw+s+CDmUkp/86ORyVnbG16AE3a1J/8y6nU39P61Q=",
-        "windows_x86_64": "sha256-kUJ5r3ZlgqQE6KeX/3NqzXbaktU8ZySotVcYAjZbUXU=",
+
+CRANE_VERSIONS = {
+    "v0.11.0": {
+        "darwin_arm64": "sha256-N/Pl0IlluAbLn74BW1Ye4hKJ9BFsBLnqTLaTJTSUejQ=",
+        "darwin_x86_64": "sha256-x7LWGfRlpKh35DFkHMwckFWDzyEvWWubzmgWkWN7PvY=",
+        "linux_arm64": "sha256-hGU+yClzid7ZJ/Eg6lvCcDQjBG9kxWtTgZeHX4G6TNY=",
+        "linux_armv6": "sha256-qoK8T2sgz8HRTnJLcbGSldJy5vZBkHoTjv+TzrURc98=",
+        "linux_i386": "sha256-ompKskCXdUqMunjZRJdb/UWI9QreRgsXoC4NdQQX9N4=",
+        "linux_s390x": "sha256-5JJzSvXFfljak+4dzdIJ1GDF6E5M1JI1OpAsjhjuQ9c=",
+        "linux_x86_64": "sha256-POxA6w+sLm7Utx3mgq5WLRWBmrkhReT2abV7rwR5ets=",
+        "windows_arm64": "sha256-g/omJDYcAnAQ+NDbf9mPiFhGaP1biy8Vaw0DeuckE8M=",
+        "windows_armv6": "sha256-HEjk/NF672oezIf9cQXBA/3eYZXfzIX2S/qduj79jWA=",
+        "windows_x86_64": "sha256-BQ2SjjeHLpdpJhQoehw8IUejARwfqg97n4FepjNhD9c=",
+    },
+    "v0.10.0": {
+        "darwin_arm64": "sha256-uTQlami7UeN3Shhq/lO4jJjXkixtAbLSyhM4sfJvwgg=",
+        "darwin_x86_64": "sha256-QCNLHypJ1Ktm2hUudoc8nUw9I6BBLTUKn5SiXpfvTCc=",
+        "linux_arm64": "sha256-9XhRhqvalzRLkGMaISdpnPg1Dq+s1xmsDe1+qMchd88=",
+        "linux_armv6": "sha256-0ashoSuvQPys9AAr7+IvsxaGUnMqLmU8UgH+f9XDQ0w=",
+        "linux_i386": "sha256-Yk3Em/HgyIYQhZKoSenZ9/XkOo5nSZjn24ZM8MoCfkQ=",
+        "linux_s390x": "sha256-V5IokOTXiXH+JPeUfwVbCtJKq0DZaYhBB91tvF+onoc=",
+        "linux_x86_64": "sha256-/CHxs6wMlQOIloOlGJL5e/AkldXSAVTx+Pjeb7ixitA=",
+        "windows_arm64": "sha256-I3jGKPWaD2CZzSjSn9XWNSCiiDgcssE2La6K/srHJCE=",
+        "windows_armv6": "sha256-oX0Vfxaa2/dpiYRrCMfJxy6DeEsL5DrKwvH7rRmShHA=",
+        "windows_x86_64": "sha256-KBgGIzkXKxfqjJlszBTvKX7j/es8HLzXe4+nFft4qUQ=",
+    },
+    "v0.9.0": {
+        "darwin_arm64": "sha256-bjrRaLvGMKUbXyehm0mZLMLMMnyf3ksZIuoPY6MO4QI=",
+        "darwin_x86_64": "sha256-mur6wMY3nRnpVqFS4q64bCsn3pAuU6DmBU3/QufI+CE=",
+        "linux_arm64": "sha256-MzO7Xu7L4c9Y8y9S0l6XQweqHnjEiPVw7bp3/ABNvGU=",
+        "linux_armv6": "sha256-t+MjWBc5XpPB+GmdHDdgSOnS5kgEqTKLVk7iyUQLbZQ=",
+        "linux_i386": "sha256-e76SeqRMWKR4ln79uv/PphtjwGEJIn3R0TDCvSjE5D0=",
+        "linux_s390x": "sha256-Jwb6ljfYQypk3FAggfEYbs0GoIXQopaQzNGI+RqW2Wc=",
+        "linux_x86_64": "sha256-HSzz+sCDDdjl+24oKf38MEo9Sg9I9+Hfnrt+KSHyiAM=",
+        "windows_arm64": "sha256-W7HwobJzclPHGyMjzqrHlCoL4e0sVDrSM9U4KM7Nxds=",
+        "windows_armv6": "sha256-ZPbqVqWl0EXLFut8W2ELN1KeGjK1AGrdYD9n9XTX+qY=",
+        "windows_x86_64": "sha256-brMWycCZU9DC6LDMNsIVZRi8aUhOCaVoO0S/25RAwCs=",
+    },
+    "v0.8.0": {
+        "darwin_arm64": "sha256-Ux663Si2Nnuczosp7ja8E6NXACzBDL5eHPW/QQC1q6w=",
+        "darwin_x86_64": "sha256-r7/lgzn/eupXM6Hk+hK8oCPef6uBJ2nKKUVZP7j+2oA=",
+        "linux_arm64": "sha256-f+kmq3AppFRSEOmW5sa0hV1v5DAtKsNCYtdA0bP1G6s=",
+        "linux_armv6": "sha256-2t27RhO9S3tw9XxngsL4592Q2SkCXwEq/NDXNuYjoCs=",
+        "linux_i386": "sha256-kCHUWGj1yAc01ESJA8ityos2Qs3Qw0impM71Jy3G+6I=",
+        "linux_s390x": "sha256-uw1c+cND5w1r7301z+VMCUtxcH48ZEV63G/00lD40H0=",
+        "linux_x86_64": "sha256-4/IRbSvdocLyJH7i8TJZ1BmGVg0KBqFoMeNwltjs7A4=",
+        "windows_armv6": "sha256-6b2Qqfq/4zW1vynYMTF72rB7bYHg0OSLlWBjJWPAdck=",
+        "windows_x86_64": "sha256-GFGU1K1lez8hdREAa4GhSNfgKoGN8N8KSQMn9rvvSCM=",
+    },
+    "v0.6.1": {
+        "darwin_arm64": "sha256-AFCpfdaWdCfKXPQ1zp50gbM8fs8qbelSJDQ74wKmDBc=",
+        "darwin_x86_64": "sha256-Pv99eYGQ1mat2rAzTGfKV6+x2Y+s25nH0MZ3qnRinLc=",
+        "linux_arm64": "sha256-B6iyz46LEZOCdPPzNOWdYTLHaQB+r1ccnb1sD7lUJF8=",
+        "linux_armv6": "sha256-Q8kVMPmdZwQW81Yv5oksCRzsnrlPC5YpogLE4+ODgEU=",
+        "linux_i386": "sha256-fSujHPpmFMTCVrLvRIsoIxjocWM4ZNc/YFBitjEhc9w=",
+        "linux_x86_64": "sha256-ZOz50fyLPV+4s/NttTdWRo/ERsGviI9phiYlxPghLOw=",
+        "windows_armv6": "sha256-UlqfD2YHxmjI7n2atOYODc3k+N64PaM29xMZMznW85s=",
+        "windows_x86_64": "sha256-I6wID4MP1gK+SsG+E0zdVSmJ79+LjcHu73vNqFjiHm4=",
+    },
+    "v0.7.0": {
+        "darwin_arm64": "sha256-SH7fMG+bzwRHI41m0eSgeaUllJZ0ErElyXeMj2yq8U4=",
+        "darwin_x86_64": "sha256-gz+Ci/COPd3K9Sduwn98bQKbIBKKhsIhu+DVwtNNqqI=",
+        "linux_arm64": "sha256-OXmzJ1UOq5fiJ43MlGUylj/9+srsjqKZTcpACc3J97A=",
+        "linux_armv6": "sha256-Quoxswg/xHdZzvEi+dK40WkYvw6R72nQZGuCcutgj2o=",
+        "linux_i386": "sha256-0IpjlcDX7HM1nm9Lzbhcf8ZD+GxLfxIcJ/InSyJgF4Q=",
+        "linux_s390x": "sha256-+ly560uETHE8QhAMyFKnNrCWfxUg2V5MvNYeilo4FsE=",
+        "linux_x86_64": "sha256-FAkv08XWVm+L1Th13Hy9wYfZ6T8o2rHGd9HuWVnLcDw=",
+        "windows_armv6": "sha256-VEqcwnY6YaHSk4Gsuk2BbCOkVPubRCeCujhNGwjsuME=",
+        "windows_x86_64": "sha256-JNz02/4YOfmt0mlObJqRe+Mlby/6i0gt2wqKRqawWag=",
+    },
+    "v0.6.0": {
+        "darwin_arm64": "sha256-K1RYFUOkphVtR1V+vbDJv0y1hccjoi8pHyWB5v0Fs0U=",
+        "darwin_x86_64": "sha256-p20mF0KgquhDWnKLeQ1e4p+YQjl1jgm2nHDSe5NmsyI=",
+        "linux_arm64": "sha256-tPVSFw+BdoDiaaSEWX2wMOmhHqoWuOzZ//Y5ikdjboQ=",
+        "linux_armv6": "sha256-073Twz7jsyp1L7QqqKO3tu5pfJOjB6mHPWcX5qS/x2c=",
+        "linux_i386": "sha256-kRhd7fQrguRV6wIMLn9vUGK3LvgDO5sVVS4cvE4akuE=",
+        "linux_x86_64": "sha256-txx8oWq/8HeHUW774MBsEp0nPzRJDWqF+BXOyYD//oU=",
+        "windows_armv6": "sha256-4X4Fuvm4imytlB1ErcNElufkXMnZl8KFSwTIMZqKC20=",
+        "windows_x86_64": "sha256-t8f5Pk7bvVyrT+GnDoQ+7UhGtHBDO1+63Zu0u9LdGvI=",
+    },
+    "v0.5.1": {
+        "darwin_arm64": "sha256-F/kbKoWm48X4a6Qg9+90hYkKeFou87CyGkbhwU9DemA=",
+        "darwin_x86_64": "sha256-teUO+v3ldq/8s2RYKsOT7HOjJUe2Pz8jWN7VvQMviFg=",
+        "linux_arm64": "sha256-D0lXSvg8Cq+mZtOAQaQmgOblYtjV21n2FBRXmam5Rak=",
+        "linux_armv6": "sha256-ocH46dInM+dA2WmQyX+gEAfSOfzhe1upFtJvCEDciGI=",
+        "linux_i386": "sha256-/+uVMs5S5UCiyls95iTMEr/s5sN+hQmgh5YPi0vvkQE=",
+        "linux_x86_64": "sha256-JPak1jCG+yA0iffOkmELmO/1MMMK+hnc6xgrURBF3C4=",
+        "windows_armv6": "sha256-7cUPJB7LeVIjk7ncDcs5xvSL1b/WL4Xku/8bPHyQ0XE=",
+        "windows_x86_64": "sha256-SExmJoJbYDRauQ2mgrfpHXpGhAWaugluR2FpY+9YhYI=",
+    },
+    "v0.5.0": {
+        "darwin_x86_64": "sha256-8wks6jsnO7GCE6f+brTHMp9HcnrI+z/ticMMyAsW3mw=",
+        "linux_arm": "sha256-IRgUo5UOeEvr+v0dpdWSSZdT56XPEvrsXwAv4CY+4NI=",
+        "linux_arm64": "sha256-hOK2hNtN4B/2Lcm5vCWSEw94yLlogpj7yGWrmrlZ6s4=",
+        "linux_i386": "sha256-bm3elN4O0D/gSgURrnykgm7AH/WHvWbKeUmKh9MRAIo=",
+        "linux_x86_64": "sha256-+IOQ7qgSPofHBmdvPJx/MTPctRKfoP1V4WCx6UuQetQ=",
+        "windows_arm": "sha256-bXp/s9pjnbCNA8vfPmC4gLLmcIY9/pMZXOkmiW3Q6nc=",
+        "windows_x86_64": "sha256-IQIhYjSAJorxwqdzbmQn5+JA9DmJMHukadUXMou6YPI=",
+    },
+    "v0.4.1": {
+        "darwin_x86_64": "sha256-TaS8HVhiDen57g0UV2FGdCkE//PXqd1pftVEFeRVEMA=",
+        "linux_arm": "sha256-vCUGoPXxgH8RPGDnlXffOpUE4U/b/tcyzjs0Ke0gKSw=",
+        "linux_arm64": "sha256-bOWuBUEiVeq25QTJ/rVFRRiRBveFrAZMaAlbUdj5r0o=",
+        "linux_i386": "sha256-K9vgwxS7A4+/Te0nHMuwBda5kUtCR/6+219uZBxamMw=",
+        "linux_x86_64": "sha256-3vE2T5SD0TPMxrHEh29ZplPQJMiGbZbs2gJlYdOMNJs=",
+        "windows_x86_64": "sha256-WUkiNNWDJapY0Iwrt0XG+IhjgoUTZv7YqIw9CU3cRxE=",
+    },
+    "v0.4.0": {
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 }