Add basic build and CI (#4)

Signed-off-by: Juraci Paixão Kröhling <juraci@kroehling.de>

.github/workflows/ci.yaml

@@ -0,0 +1,25 @@
+name: Continuous Integration
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: 1.17
+
+      - name: Verify
+        run: make ci

Makefile

@@ -0,0 +1,46 @@
+GO ?= go
+
+OTELCOL_BUILDER_VERSION ?= 0.46.0
+OTELCOL_BUILDER_DIR ?= ${HOME}/bin
+OTELCOL_BUILDER ?= ${OTELCOL_BUILDER_DIR}/ocb
+
+DISTRIBUTIONS ?= "sidecar,tracing"
+
+ci: check build
+check:
+
+build: go ocb
+	@./scripts/build.sh -d "${DISTRIBUTIONS}" -b ${OTELCOL_BUILDER} -g ${GO}
+
+generate: generate-sources
+
+generate-sources: go ocb
+	@./scripts/build.sh -d "${DISTRIBUTIONS}" -s true -b ${OTELCOL_BUILDER} -g ${GO}
+
+.PHONY: ocb
+ocb:
+ifeq (, $(shell command -v ocb 2>/dev/null))
+	@{ \
+	[ ! -x '$(OTELCOL_BUILDER)' ] || exit 0; \
+	set -e ;\
+	os=$$(uname | tr A-Z a-z) ;\
+	machine=$$(uname -m) ;\
+	[ "$${machine}" != x86 ] || machine=386 ;\
+	[ "$${machine}" != x86_64 ] || machine=amd64 ;\
+	echo "Installing ocb ($${os}/$${machine}) at $(OTELCOL_BUILDER_DIR)";\
+	mkdir -p $(OTELCOL_BUILDER_DIR) ;\
+	curl -sLo $(OTELCOL_BUILDER) "https://github.com/open-telemetry/opentelemetry-collector/releases/download/v$(OTELCOL_BUILDER_VERSION)/ocb_$(OTELCOL_BUILDER_VERSION)_$${os}_$${machine}" ;\
+	chmod +x $(OTELCOL_BUILDER) ;\
+	}
+else
+OTELCOL_BUILDER=$(shell command -v ocb)
+endif
+
+.PHONY: go
+go:
+	@{ \
+		if ! command -v '$(GO)' >/dev/null 2>/dev/null; then \
+			echo >&2 '$(GO) command not found. Please install golang. https://go.dev/doc/install'; \
+			exit 1; \
+		fi \
+	}

distributions/sidecar/manifest.yaml

@@ -2,14 +2,13 @@ dist:
   module: github.com/grafana/opentelemetry-collector-components/distributions/sidecar
   name: otelcol
   description: OpenTelemetry Collector Sidecar by Grafana Labs
-  version: 0.39.0
+  version: 0.46.0
   output_path: ./_build
-  otelcol_version: 0.39.0
-  include_core: false
+  otelcol_version: 0.46.0
 
 receivers:
   - import: go.opentelemetry.io/collector/receiver/otlpreceiver
-    gomod: go.opentelemetry.io/collector v0.39.0
+    gomod: go.opentelemetry.io/collector v0.46.0
 exporters:
   - import: go.opentelemetry.io/collector/exporter/otlpexporter
-    gomod: go.opentelemetry.io/collector v0.39.0
+    gomod: go.opentelemetry.io/collector v0.46.0

distributions/tracing/manifest.yaml

@@ -2,16 +2,15 @@ dist:
   module: github.com/grafana/opentelemetry-collector-components/distributions/sidecar
   name: otelcol
   description: OpenTelemetry Collector for Tracing by Grafana Labs
-  version: 0.39.0
+  version: 0.46.0
   output_path: ./_build
-  otelcol_version: 0.39.0
-  include_core: false
+  otelcol_version: 0.46.0
 
 receivers:
   - import: go.opentelemetry.io/collector/receiver/otlpreceiver
-    gomod: go.opentelemetry.io/collector v0.39.0
-  - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/receiver/jaegerreceiver v0.39.0
-  - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/receiver/zipkinreceiver v0.39.0
+    gomod: go.opentelemetry.io/collector v0.46.0
+  - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/receiver/jaegerreceiver v0.46.0
+  - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/receiver/zipkinreceiver v0.46.0
 exporters:
   - import: go.opentelemetry.io/collector/exporter/otlpexporter
-    gomod: go.opentelemetry.io/collector v0.39.0
+    gomod: go.opentelemetry.io/collector v0.46.0

scripts/build.sh

@@ -0,0 +1,56 @@
+#!/bin/bash
+
+REPO_DIR="$( cd "$(dirname $( dirname "${BASH_SOURCE[0]}" ))" &> /dev/null && pwd )"
+BUILDER=''
+GO=''
+
+# default values
+skipcompilation=false
+
+while getopts d:s:b:g: flag
+do
+    case "${flag}" in
+        d) distributions=${OPTARG};;
+        s) skipcompilation=${OPTARG};;
+        b) BUILDER=${OPTARG};;
+        g) GO=${OPTARG};;
+    esac
+done
+
+[[ -n "$BUILDER" ]] || BUILDER='ocb'
+[[ -n "$GO" ]] || GO='go'
+
+if [[ -z $distributions ]]; then
+    echo "List of distributions to build not provided. Use '-d' to specify the names of the distributions to build. Ex.:"
+    echo "$0 -d tracing"
+    exit 1
+fi
+
+if [[ "$skipcompilation" = true ]]; then
+    echo "Skipping the compilation, we'll only generate the sources."
+fi
+
+echo "Distributions to build: $distributions";
+
+for distribution in $(echo "$distributions" | tr "," "\n")
+do
+    pushd "${REPO_DIR}/distributions/${distribution}" > /dev/null
+    mkdir -p _build
+
+    echo "Building: $distribution"
+    echo "Using Builder: $(command -v "$BUILDER")"
+    echo "Using Go: $(command -v "$GO")"
+
+    if "$BUILDER" --skip-compilation=${skipcompilation} --go "$GO" --config manifest.yaml > _build/build.log 2>&1; then
+        echo "✅ SUCCESS: distribution '${distribution}' built."
+    else
+        echo "❌ ERROR: failed to build the distribution '${distribution}'."
+        echo "🪵 Build logs for '${distribution}'"
+        echo "----------------------"
+        cat _build/build.log
+        echo "----------------------"
+        exit 1
+    fi
+
+    popd > /dev/null
+done