Revert "Exclude 386 for contrib (open-telemetry#83)" (open-telemetry#144

)

This reverts commit fe8f761.

.goreleaser.yaml

@@ -29,6 +29,7 @@ builds:
   - linux
   - windows
   goarch:
+  - "386"
   - amd64
   - arm64
   ignore:
@@ -162,6 +163,24 @@ dockers:
   - --label=org.opencontainers.image.version={{.Version}}
   - --label=org.opencontainers.image.source={{.GitURL}}
   use: buildx
+- goos: linux
+  goarch: "386"
+  dockerfile: distributions/otelcol-contrib/Dockerfile
+  image_templates:
+  - otel/opentelemetry-collector-contrib:{{ .Version }}-386
+  - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:{{
+    .Version }}-386
+  extra_files:
+  - configs/otelcol-contrib.yaml
+  build_flag_templates:
+  - --pull
+  - --platform=linux/386
+  - --label=org.opencontainers.image.created={{.Date}}
+  - --label=org.opencontainers.image.name={{.ProjectName}}
+  - --label=org.opencontainers.image.revision={{.FullCommit}}
+  - --label=org.opencontainers.image.version={{.Version}}
+  - --label=org.opencontainers.image.source={{.GitURL}}
+  use: buildx
 - goos: linux
   goarch: amd64
   dockerfile: distributions/otelcol-contrib/Dockerfile
@@ -215,11 +234,14 @@ docker_manifests:
     .Version }}-arm64
 - name_template: otel/opentelemetry-collector-contrib:{{ .Version }}
   image_templates:
+  - otel/opentelemetry-collector-contrib:{{ .Version }}-386
   - otel/opentelemetry-collector-contrib:{{ .Version }}-amd64
   - otel/opentelemetry-collector-contrib:{{ .Version }}-arm64
 - name_template: ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:{{
     .Version }}
   image_templates:
+  - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:{{
+    .Version }}-386
   - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:{{
     .Version }}-amd64
   - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-contrib:{{

goreleaser/configure.go

@@ -22,18 +22,11 @@ import (
 
 var (
 	ImagePrefixes = []string{"otel", "ghcr.io/open-telemetry/opentelemetry-collector-releases"}
+	Architectures = []string{"386", "amd64", "arm64"}
 
 	distsFlag = flag.String("d", "", "Collector distributions(s) to build, comma-separated")
 )
 
-func architecturesForDist(dist string) []string {
-	architectures := []string{"386", "amd64", "arm64"}
-	if dist == "otelcol-contrib" {
-		architectures = []string{"amd64", "arm64"}
-	}
-	return architectures
-}
-
 func main() {
 	flag.Parse()
 
@@ -84,7 +77,7 @@ func Build(dist string) config.Build {
 			Ldflags: []string{"-s", "-w"},
 		},
 		Goos:   []string{"darwin", "linux", "windows"},
-		Goarch: architecturesForDist(dist),
+		Goarch: Architectures,
 		Ignore: []config.IgnoredBuild{
 			{Goos: "darwin", Goarch: "386"},
 			{Goos: "windows", Goarch: "arm64"},
@@ -157,7 +150,7 @@ func Package(dist string) config.NFPM {
 
 func DockerImages(imagePrefixes, dists []string) (r []config.Docker) {
 	for _, dist := range dists {
-		for _, arch := range architecturesForDist(dist) {
+		for _, arch := range Architectures {
 			r = append(r, DockerImage(imagePrefixes, dist, arch))
 		}
 	}
@@ -211,7 +204,7 @@ func DockerManifests(imagePrefixes, dists []string) (r []config.DockerManifest)
 func DockerManifest(imagePrefixes []string, dist string) (manifests []config.DockerManifest) {
 	for _, prefix := range imagePrefixes {
 		var imageTemplates []string
-		for _, arch := range architecturesForDist(dist) {
+		for _, arch := range Architectures {
 			imageTemplates = append(
 				imageTemplates,
 				fmt.Sprintf("%s/%s:{{ .Version }}-%s", prefix, imageName(dist), arch),