Add minimal OTLP-only distribution

.github/workflows/ci-goreleaser-minimal.yaml

@@ -0,0 +1,33 @@
+name: Continuous Integration - Minimal - GoReleaser
+
+on:
+  push:
+    branches: [main]
+    paths:
+      - "distributions/otelcol-minimal/**"
+      - "cmd/**"
+      - ".github/**"
+      - "scripts/**"
+      - "Makefile"
+      - "go.mod"
+      - "go.sum"
+  pull_request:
+    branches: [main]
+    paths:
+      - "distributions/otelcol-minimal/**"
+      - "cmd/**"
+      - ".github/**"
+      - "scripts/**"
+      - "Makefile"
+      - "go.mod"
+      - "go.sum"
+
+jobs:
+  check-goreleaser:
+    name: Continuous Integration - Minimal - GoReleaser
+    uses: ./.github/workflows/base-ci-goreleaser.yaml
+    with:
+      distribution: otelcol-minimal
+      goos: '[ "linux", "windows", "darwin" ]'
+      goarch: '[ "386", "amd64", "arm64", "ppc64le", "arm", "s390x" ]'
+    secrets: inherit

.github/workflows/release-minimal.yaml

@@ -0,0 +1,16 @@
+name: Release Minimal
+
+on:
+  push:
+    tags: ["v*"]
+
+jobs:
+  release:
+    name: Release Minimal
+    uses: ./.github/workflows/base-release.yaml
+    with:
+      distribution: otelcol-minimal
+      goos: '[ "linux", "windows", "darwin" ]'
+      goarch: '[ "386", "amd64", "arm64", "ppc64le", "arm", "s390x" ]'
+    secrets: inherit
+    permissions: write-all

Makefile

@@ -5,7 +5,7 @@ OTELCOL_BUILDER_VERSION ?= 0.109.0
 OTELCOL_BUILDER_DIR ?= ${HOME}/bin
 OTELCOL_BUILDER ?= ${OTELCOL_BUILDER_DIR}/ocb
 
-DISTRIBUTIONS ?= "otelcol,otelcol-contrib,otelcol-k8s"
+DISTRIBUTIONS ?= "otelcol,otelcol-contrib,otelcol-k8s,otelcol-minimal"
 GEN_CONFIG_DISTRIBUTIONS ?= "otelcol,otelcol-contrib"
 
 ci: check build

README.md

@@ -17,3 +17,4 @@ Current list of distributions:
 - [OpenTelemetry Collector (also known as "otelcol")](./distributions/otelcol)
 - [OpenTelemetry Collector Contrib (also known as "otelcol-contrib")](./distributions/otelcol-contrib)
 - [OpenTelemetry Collector for Kubernetes (also known as "otelcol-k8s")](./distributions/otelcol-k8s)
+- [OpenTelemetry Collector Minimal (also known as "otelcol-minimal")](./distributions/otelcol-minimal)

distributions/otelcol-minimal/.goreleaser.yaml

@@ -0,0 +1,248 @@
+partial:
+  by: target
+version: 2
+project_name: opentelemetry-collector-releases
+env:
+  - COSIGN_YES=true
+msi:
+  - id: otelcol-minimal
+    name: otelcol-minimal_{{ .Version }}_{{ .Os }}_{{ .MsiArch }}
+    wxs: windows-installer.wxs
+    extra_files:
+      - opentelemetry.ico
+builds:
+  - id: otelcol-minimal
+    goos:
+      - darwin
+      - linux
+      - windows
+    goarch:
+      - "386"
+      - amd64
+      - arm
+      - arm64
+      - ppc64le
+      - s390x
+    goarm:
+      - "7"
+    ignore:
+      - goos: darwin
+        goarch: "386"
+      - goos: darwin
+        goarch: arm
+      - goos: darwin
+        goarch: s390x
+      - goos: windows
+        goarch: arm
+      - goos: windows
+        goarch: arm64
+      - goos: windows
+        goarch: s390x
+    dir: _build
+    binary: otelcol-minimal
+    ldflags:
+      - -s
+      - -w
+    flags:
+      - -trimpath
+    env:
+      - CGO_ENABLED=0
+archives:
+  - id: otelcol-minimal
+    builds:
+      - otelcol-minimal
+    name_template: '{{ .Binary }}_{{ .Version }}_{{ .Os }}_{{ .Arch }}{{ if .Arm }}v{{ .Arm }}{{ end }}{{ if .Mips }}_{{ .Mips }}{{ end }}'
+nfpms:
+  - package_name: otelcol-minimal
+    contents:
+      - src: otelcol-minimal.service
+        dst: /lib/systemd/system/otelcol-minimal.service
+      - src: otelcol-minimal.conf
+        dst: /etc/otelcol-minimal/otelcol-minimal.conf
+        type: config|noreplace
+    scripts:
+      preinstall: preinstall.sh
+      postinstall: postinstall.sh
+      preremove: preremove.sh
+    overrides:
+      rpm:
+        dependencies:
+          - /bin/sh
+    id: otelcol-minimal
+    builds:
+      - otelcol-minimal
+    formats:
+      - deb
+      - rpm
+    maintainer: The OpenTelemetry Collector maintainers <[email protected]>
+    description: OpenTelemetry Collector - otelcol-minimal
+    license: Apache 2.0
+checksum:
+  name_template: '{{ .ProjectName }}_otelcol-minimal_checksums.txt'
+dockers:
+  - goos: linux
+    goarch: "386"
+    dockerfile: Dockerfile
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-386
+      - otel/opentelemetry-collector-minimal:latest-386
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-386
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-386
+    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}}
+      - --label=org.opencontainers.image.licenses=Apache-2.0
+    use: buildx
+  - goos: linux
+    goarch: amd64
+    dockerfile: Dockerfile
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-amd64
+      - otel/opentelemetry-collector-minimal:latest-amd64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-amd64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-amd64
+    build_flag_templates:
+      - --pull
+      - --platform=linux/amd64
+      - --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}}
+      - --label=org.opencontainers.image.licenses=Apache-2.0
+    use: buildx
+  - goos: linux
+    goarch: arm
+    goarm: "7"
+    dockerfile: Dockerfile
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-armv7
+      - otel/opentelemetry-collector-minimal:latest-armv7
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-armv7
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-armv7
+    build_flag_templates:
+      - --pull
+      - --platform=linux/arm/v7
+      - --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}}
+      - --label=org.opencontainers.image.licenses=Apache-2.0
+    use: buildx
+  - goos: linux
+    goarch: arm64
+    dockerfile: Dockerfile
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-arm64
+      - otel/opentelemetry-collector-minimal:latest-arm64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-arm64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-arm64
+    build_flag_templates:
+      - --pull
+      - --platform=linux/arm64
+      - --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}}
+      - --label=org.opencontainers.image.licenses=Apache-2.0
+    use: buildx
+  - goos: linux
+    goarch: ppc64le
+    dockerfile: Dockerfile
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-ppc64le
+      - otel/opentelemetry-collector-minimal:latest-ppc64le
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-ppc64le
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-ppc64le
+    build_flag_templates:
+      - --pull
+      - --platform=linux/ppc64le
+      - --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}}
+      - --label=org.opencontainers.image.licenses=Apache-2.0
+    use: buildx
+  - goos: linux
+    goarch: s390x
+    dockerfile: Dockerfile
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-s390x
+      - otel/opentelemetry-collector-minimal:latest-s390x
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-s390x
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-s390x
+    build_flag_templates:
+      - --pull
+      - --platform=linux/s390x
+      - --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}}
+      - --label=org.opencontainers.image.licenses=Apache-2.0
+    use: buildx
+docker_manifests:
+  - name_template: otel/opentelemetry-collector-minimal:{{ .Version }}
+    image_templates:
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-386
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-amd64
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-armv7
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-arm64
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-ppc64le
+      - otel/opentelemetry-collector-minimal:{{ .Version }}-s390x
+  - name_template: otel/opentelemetry-collector-minimal:latest
+    image_templates:
+      - otel/opentelemetry-collector-minimal:latest-386
+      - otel/opentelemetry-collector-minimal:latest-amd64
+      - otel/opentelemetry-collector-minimal:latest-armv7
+      - otel/opentelemetry-collector-minimal:latest-arm64
+      - otel/opentelemetry-collector-minimal:latest-ppc64le
+      - otel/opentelemetry-collector-minimal:latest-s390x
+  - name_template: ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}
+    image_templates:
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-386
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-amd64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-armv7
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-arm64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-ppc64le
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:{{ .Version }}-s390x
+  - name_template: ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest
+    image_templates:
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-386
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-amd64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-armv7
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-arm64
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-ppc64le
+      - ghcr.io/open-telemetry/opentelemetry-collector-releases/opentelemetry-collector-minimal:latest-s390x
+signs:
+  - cmd: cosign
+    args:
+      - sign-blob
+      - --output-signature
+      - ${artifact}.sig
+      - --output-certificate
+      - ${artifact}.pem
+      - ${artifact}
+    signature: ${artifact}.sig
+    artifacts: all
+    certificate: ${artifact}.pem
+docker_signs:
+  - args:
+      - sign
+      - ${artifact}
+    artifacts: all
+sboms:
+  - id: archive
+    artifacts: archive
+  - id: package
+    artifacts: package
+monorepo:
+  tag_prefix: v

distributions/otelcol-minimal/Dockerfile

@@ -0,0 +1,13 @@
+FROM alpine:3.19 as certs
+RUN apk --update add ca-certificates
+
+FROM scratch
+
+ARG USER_UID=10001
+USER ${USER_UID}
+
+COPY --from=certs /etc/ssl/certs/ca-certificates.crt /etc/ssl/certs/ca-certificates.crt
+COPY --chmod=755 otelcol-minimal /otelcol-minimal
+ENTRYPOINT ["/otelcol-minimal"]
+CMD ["--config", "/etc/otelcol-minimal/config.yaml"]
+EXPOSE 4317 55678 55679

distributions/otelcol-minimal/README.md

@@ -0,0 +1,15 @@
+# OpenTelemetry Collector Minimal Distro
+
+This distribution only contains the receiver and exporters for the OpenTelemetry Protocol (OTLP), supporting both gRPC and HTTP transport.
+
+## Usage note
+
+This distribution does not provide a default configuration file.
+
+## Components
+
+The full list of components is available in the [manifest](manifest.yaml)
+
+### Rules for Component Inclusion
+
+- Only `otlpreceiver`, `otlpexporter`, and `otlphttpexporter` are allowed.

distributions/otelcol-minimal/manifest.yaml

@@ -0,0 +1,18 @@
+dist:
+  module: github.com/open-telemetry/opentelemetry-collector-releases/minimal
+  name: otelcol-minimal
+  description: OpenTelemetry Collector Minimal
+  version: 0.109.0
+  output_path: ./_build
+  otelcol_version: 0.109.0
+
+exporters:
+  - gomod: go.opentelemetry.io/collector/exporter/otlpexporter v0.109.0
+  - gomod: go.opentelemetry.io/collector/exporter/otlphttpexporter v0.109.0
+
+receivers:
+  - gomod: go.opentelemetry.io/collector/receiver/otlpreceiver v0.109.0
+
+providers:
+  - gomod: go.opentelemetry.io/collector/confmap/provider/envprovider v1.15.0
+  - gomod: go.opentelemetry.io/collector/confmap/provider/fileprovider v1.15.0

distributions/otelcol-minimal/otelcol-minimal.conf

@@ -0,0 +1,5 @@
+# Systemd environment file for the otelcol-minimal service
+
+# Command-line options for the otelcol-minimal service.
+# Run `/usr/bin/otelcol-minimal --help` to see all available options.
+OTELCOL_OPTIONS="--config=/etc/otelcol-minimal/config.yaml"

distributions/otelcol-minimal/otelcol-minimal.service

@@ -0,0 +1,15 @@
+[Unit]
+Description=OpenTelemetry Collector Minimal
+After=network.target
+
+[Service]
+EnvironmentFile=/etc/otelcol-minimal/otelcol-minimal.conf
+ExecStart=/usr/bin/otelcol-minimal $OTELCOL_OPTIONS
+KillMode=mixed
+Restart=on-failure
+Type=simple
+User=otelcol-minimal
+Group=otelcol-minimal
+
+[Install]
+WantedBy=multi-user.target