Add ARM64 Support

.github/pipeline-descriptor.yml

@@ -6,6 +6,9 @@ codeowners:
 - path:  "*"
   owner: "@paketo-buildpacks/app-monitoring-maintainers"
 
+helpers:
+  "bin/helper": "$GOMOD/cmd/helper"
+
 package:
   repositories:   ["docker.io/paketobuildpacks/opentelemetry","gcr.io/paketo-buildpacks/opentelemetry"]
   register:       true

.github/workflows/pb-tests.yml

@@ -178,6 +178,7 @@ jobs:
               env:
                 FORMAT: image
                 PACKAGES: test
+                TTL_SH_PUBLISH: "false"
                 VERSION: ${{ steps.version.outputs.version }}
     unit:
         name: Unit Test

.gitignore

@@ -1,54 +1,20 @@
-# Binaries for programs and plugins
-*.exe
-*.exe~
-*.dll
-*.so
-*.dylib
-
-# Test binary, built with `go test -c`
-*.test
-
-# Output of the go coverage tool, specifically when used with LiteIDE
-*.out
-
-# Dependency directories (remove the comment below to include it)
-# vendor/
+# Copyright 2018-2020 the original author or 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.
 
 bin/
+linux/
 dependencies/
 package/
+scratch/
 
-.vscode/
-
-#############
-### macOS ###
-#############
-
-# General
-.DS_Store
-*.DS_Store
-**/.DS_Store
-.AppleDouble
-.LSOverride
-
-# Icon must end with two \r
-Icon
-
-# Thumbnails
-._*
-
-# Files that might appear in the root of a volume
-.DocumentRevisions-V100
-.fseventsd
-.Spotlight-V100
-.TemporaryItems
-.Trashes
-.VolumeIcon.icns
-.com.apple.timemachine.donotpresent
-
-# Directories potentially created on remote AFP share
-.AppleDB
-.AppleDesktop
-Network Trash Folder
-Temporary Items
-.apdisk

buildpack.toml

@@ -1,3 +1,17 @@
+# Copyright 2018-2024 the original author or 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.
+
 api = "0.7"
 
 [buildpack]
@@ -14,7 +28,7 @@ api = "0.7"
     uri = "https://github.com/paketo-buildpacks/opentelemetry/blob/main/LICENSE"
 
 [metadata]
-  include-files = ["LICENSE", "NOTICE", "README.md", "bin/build", "bin/detect", "bin/main", "bin/helper", "buildpack.toml"]
+  include-files = ["LICENSE", "NOTICE", "README.md", "linux/amd64/bin/build", "linux/amd64/bin/detect", "linux/amd64/bin/main", "linux/amd64/bin/helper", "linux/arm64/bin/build", "linux/arm64/bin/detect", "linux/arm64/bin/main", "linux/arm64/bin/helper", "buildpack.toml"]
   pre-package = "scripts/build.sh"
 
   [[metadata.configurations]]
@@ -31,7 +45,7 @@ api = "0.7"
     sha256 = "2a2af4c5e57de5e6f688b9921df5dda5cda4eda9626ee5f34ddc5852f84c45d0"
     source = "https://github.com/open-telemetry/opentelemetry-java-instrumentation/archive/refs/tags/v1.32.0.tar.gz"
     source-sha256 = "aee96dfc00b58847d247ee38e221c637ca2d69f3b7644f7c06b6b6fb275f86c2"
-    stacks = ["io.buildpacks.stacks.bionic", "io.paketo.stacks.tiny", "*"]
+    stacks = ["*"]
     uri = "https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v1.32.0/opentelemetry-javaagent.jar"
     version = "1.32.0"
 
@@ -40,10 +54,12 @@ api = "0.7"
       uri = "https://github.com/open-telemetry/opentelemetry-java-instrumentation/blob/main/LICENSE"
 
 [[stacks]]
-  id = "io.buildpacks.stacks.bionic"
+  id = "*"
 
-[[stacks]]
-  id = "io.paketo.stacks.tiny"
+[[targets]]
+  arch = "amd64"
+  os = "linux"
 
-[[stacks]]
-  id = "*"
+[[targets]]
+  arch = "arm64"
+  os = "linux"

scripts/build.sh

@@ -1,17 +1,23 @@
 #!/usr/bin/env bash
-
 set -euo pipefail
 
-GOOS="linux" go build -ldflags='-s -w' -o bin/helper github.com/paketo-buildpacks/opentelemetry/cmd/helper
-GOOS="linux" go build -ldflags='-s -w' -o bin/main github.com/paketo-buildpacks/opentelemetry/cmd/main
+GOMOD=$(head -1 go.mod | awk '{print $2}')
+GOOS="linux" GOARCH="amd64" go build -ldflags='-s -w' -o "linux/amd64/bin/helper" "$GOMOD/cmd/helper"
+GOOS="linux" GOARCH="arm64" go build -ldflags='-s -w' -o "linux/arm64/bin/helper" "$GOMOD/cmd/helper"
+GOOS="linux" GOARCH="amd64" go build -ldflags='-s -w' -o linux/amd64/bin/main "$GOMOD/cmd/main"
+GOOS="linux" GOARCH="arm64" go build -ldflags='-s -w' -o linux/arm64/bin/main "$GOMOD/cmd/main"
 
 if [ "${STRIP:-false}" != "false" ]; then
-  strip bin/helper bin/main
+  strip linux/amd64/bin/helper linux/arm64/bin/helper
+  strip linux/amd64/bin/main linux/arm64/bin/main
 fi
 
 if [ "${COMPRESS:-none}" != "none" ]; then
-  $COMPRESS bin/helper bin/main
+  $COMPRESS linux/amd64/bin/helper linux/arm64/bin/helper
+  $COMPRESS linux/amd64/bin/main linux/arm64/bin/main
 fi
 
-ln -fs main bin/build
-ln -fs main bin/detect
+ln -fs main linux/amd64/bin/build
+ln -fs main linux/arm64/bin/build
+ln -fs main linux/amd64/bin/detect
+ln -fs main linux/arm64/bin/detect