From fb510a9d2e5763c97c89887a84cd3f1347c04ce7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Juraci=20Paix=C3=A3o=20Kr=C3=B6hling?= Date: Tue, 2 Feb 2021 16:54:23 +0100 Subject: [PATCH] Moved from github.com/observatorium/opentelemetry-collector-builder (#3) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Juraci Paixão Kröhling --- .github/mergify.yml | 19 ++ .github/workflows/go.yaml | 56 ++++ .github/workflows/integration-test.yaml | 24 ++ .github/workflows/release.yml | 29 ++ .gitignore | 37 +++ .golangci.yaml | 18 ++ .goreleaser.yml | 33 +++ LICENSE | 1 + README.md | 89 ++++++- RELEASE.md | 12 + cmd/root.go | 106 ++++++++ go.mod | 26 ++ go.sum | 334 ++++++++++++++++++++++++ header.txt | 13 + internal/builder/config.go | 150 +++++++++++ internal/builder/config_test.go | 96 +++++++ internal/builder/main.go | 120 +++++++++ internal/scaffold/components.go | 130 +++++++++ internal/scaffold/gomod.go | 53 ++++ internal/scaffold/main.go | 66 +++++ main.go | 23 ++ test/README.md | 3 + test/nocore.builder.yaml | 14 + test/nocore.otel.yaml | 25 ++ test/replaces.builder.yaml | 10 + test/replaces.otel.yaml | 36 +++ test/test.sh | 88 +++++++ 27 files changed, 1609 insertions(+), 2 deletions(-) create mode 100644 .github/mergify.yml create mode 100644 .github/workflows/go.yaml create mode 100644 .github/workflows/integration-test.yaml create mode 100644 .github/workflows/release.yml create mode 100644 .gitignore create mode 100644 .golangci.yaml create mode 100644 .goreleaser.yml create mode 100644 RELEASE.md create mode 100644 cmd/root.go create mode 100644 go.mod create mode 100644 go.sum create mode 100644 header.txt create mode 100644 internal/builder/config.go create mode 100644 internal/builder/config_test.go create mode 100644 internal/builder/main.go create mode 100644 internal/scaffold/components.go create mode 100644 internal/scaffold/gomod.go create mode 100644 internal/scaffold/main.go create mode 100644 main.go create mode 100644 test/README.md create mode 100644 test/nocore.builder.yaml create mode 100644 test/nocore.otel.yaml create mode 100644 test/replaces.builder.yaml create mode 100755 test/replaces.otel.yaml create mode 100755 test/test.sh diff --git a/.github/mergify.yml b/.github/mergify.yml new file mode 100644 index 00000000000..084d9f068c6 --- /dev/null +++ b/.github/mergify.yml @@ -0,0 +1,19 @@ +pull_request_rules: + - name: remove outdated reviews + conditions: + - base=master + actions: + dismiss_reviews: {} + + - name: Automatic merge when all checks pass and the PR is approved + conditions: + - "#approved-reviews-by>=1" + - "-draft" + - "status-success=Unit tests" + - "status-success=Code standards (linting)" + - "status-success=Security" + - "status-success=Integration test" + actions: + merge: + method: squash + commit_message: title+body diff --git a/.github/workflows/go.yaml b/.github/workflows/go.yaml new file mode 100644 index 00000000000..b53263ea2a0 --- /dev/null +++ b/.github/workflows/go.yaml @@ -0,0 +1,56 @@ +name: "Continuous Integration" + +on: + push: + branches: [ master ] + pull_request: + branches: [ master ] + +jobs: + unit-tests: + name: Unit tests + runs-on: ubuntu-20.04 + steps: + + - name: Set up Go + uses: actions/setup-go@v2 + with: + go-version: 1.14 + + - name: Check out code into the Go module directory + uses: actions/checkout@v2 + + - name: Test + run: go test -v ./... + + lint: + name: Code standards (linting) + runs-on: ubuntu-20.04 + steps: + - name: Check out code into the Go module directory + uses: actions/checkout@v2 + + - name: Lint + uses: golangci/golangci-lint-action@v2 + with: + version: v1.29 + args: --enable=gosec,maligned,misspell + only-new-issues: true + + security: + name: Security + runs-on: ubuntu-20.04 + steps: + - name: Check out code into the Go module directory + uses: actions/checkout@v2 + + - name: Initialize CodeQL + uses: github/codeql-action/init@v1 + with: + languages: go + + - name: Autobuild + uses: github/codeql-action/autobuild@v1 + + - name: Perform CodeQL Analysis + uses: github/codeql-action/analyze@v1 diff --git a/.github/workflows/integration-test.yaml b/.github/workflows/integration-test.yaml new file mode 100644 index 00000000000..4cb08817590 --- /dev/null +++ b/.github/workflows/integration-test.yaml @@ -0,0 +1,24 @@ +name: Integration tests + +on: + push: + branches: [ master ] + pull_request: + branches: [ master ] + +jobs: + integration-test: + name: Integration test + runs-on: ubuntu-20.04 + steps: + + - name: Set up Go + uses: actions/setup-go@v2 + with: + go-version: 1.14 + + - name: Check out code into the Go module directory + uses: actions/checkout@v2 + + - name: Test + run: ./test/test.sh diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml new file mode 100644 index 00000000000..206c02421a8 --- /dev/null +++ b/.github/workflows/release.yml @@ -0,0 +1,29 @@ +name: goreleaser + +on: + push: + tags: + - 'v*' + +jobs: + goreleaser: + 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: 1.14 + - + name: Run GoReleaser + uses: goreleaser/goreleaser-action@v2 + with: + version: latest + args: release --rm-dist + env: + GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }} \ No newline at end of file diff --git a/.gitignore b/.gitignore new file mode 100644 index 00000000000..a5555a370fb --- /dev/null +++ b/.gitignore @@ -0,0 +1,37 @@ + +# Created by https://www.toptal.com/developers/gitignore/api/go,vscode +# Edit at https://www.toptal.com/developers/gitignore?templates=go,vscode + +### Go ### +# 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/ + +### Go Patch ### +/vendor/ +/Godeps/ + +### vscode ### +.vscode/* +!.vscode/settings.json +!.vscode/tasks.json +!.vscode/launch.json +!.vscode/extensions.json +*.code-workspace + +# End of https://www.toptal.com/developers/gitignore/api/go,vscode + +/dist/ +opentelemetry-collector-builder diff --git a/.golangci.yaml b/.golangci.yaml new file mode 100644 index 00000000000..7a659b2ad8b --- /dev/null +++ b/.golangci.yaml @@ -0,0 +1,18 @@ +# all available settings of specific linters +linters-settings: + goheader: + template-path: header.txt + goimports: + local-prefixes: github.com/open-telemetry/opentelemetry-collector-builder + maligned: + suggest-new: true + misspell: + locale: US + +linters: + enable: + - goheader + - goimports + - maligned + - misspell + - gosec diff --git a/.goreleaser.yml b/.goreleaser.yml new file mode 100644 index 00000000000..1c068ac733f --- /dev/null +++ b/.goreleaser.yml @@ -0,0 +1,33 @@ +before: + hooks: + - go mod download +builds: + - flags: + - -trimpath + ldflags: + - -s -w -X github.com/open-telemetry/opentelemetry-collector-builder/cmd.version={{.Version}} -X github.com/open-telemetry/opentelemetry-collector-builder/cmd.date={{.Date}} + env: + - CGO_ENABLED=0 + goos: + - linux + - windows + - darwin + goarch: + - amd64 + - arm + - arm64 + goarm: + - 6 + - 7 +archives: + - format: binary +checksum: + name_template: "checksums.txt" +snapshot: + name_template: "{{ .Tag }}-next" +changelog: + sort: asc + filters: + exclude: + - "^docs:" + - "^test:" diff --git a/LICENSE b/LICENSE index 261eeb9e9f8..d6456956733 100644 --- a/LICENSE +++ b/LICENSE @@ -1,3 +1,4 @@ + Apache License Version 2.0, January 2004 http://www.apache.org/licenses/ diff --git a/README.md b/README.md index ffa766b4450..e6738f2f806 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,87 @@ -# opentelemetry-collector-builder -OpenTelemetry Collector Builder +# OpenTelemetry Collector builder + +This program generates a custom OpenTelemetry Collector binary based on a given configuration. + +## TL;DR +```console +$ go get github.com/open-telemetry/opentelemetry-collector-builder +$ cat > ~/.otelcol-builder.yaml < /tmp/otelcol.yaml < github.com/open-telemetry/opentelemetry-collector-contrib/internal/common v0.19.0 +``` diff --git a/RELEASE.md b/RELEASE.md new file mode 100644 index 00000000000..b0552500521 --- /dev/null +++ b/RELEASE.md @@ -0,0 +1,12 @@ +# Releasing the OpenTelemetry Collector Builder + +This project uses [`goreleaser`](https://github.com/goreleaser/goreleaser) to manage the release of new versions. + +To release a new version, simply add a tag named `vX.Y.Z`, like: + +``` +git tag -a v0.1.1 -m "Release v0.1.1" +git push upstream v0.1.1 +``` + +A new GitHub workflow should be started, and at the end, a GitHub release should have been created, similar with the ["Release v0.1.0"](https://github.com/open-telemetry/opentelemetry-collector-builder/releases/tag/v0.1.0). \ No newline at end of file diff --git a/cmd/root.go b/cmd/root.go new file mode 100644 index 00000000000..ce702b5e45d --- /dev/null +++ b/cmd/root.go @@ -0,0 +1,106 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package cmd + +import ( + "fmt" + "strings" + + "github.com/spf13/cobra" + "github.com/spf13/viper" + + "github.com/open-telemetry/opentelemetry-collector-builder/internal/builder" +) + +var ( + version = "dev" + date = "unknown" + + cfgFile string + cfg = builder.DefaultConfig() +) + +// Execute is the main entrypoint for this application +func Execute() { + cobra.OnInitialize(initConfig) + + cmd := &cobra.Command{ + Use: "opentelemetry-collector-builder", + Long: fmt.Sprintf("OpenTelemetry Collector distribution builder (%s)", version), + RunE: func(cmd *cobra.Command, args []string) error { + + if err := cfg.Validate(); err != nil { + cfg.Logger.Error(err, "invalid configuration: %w", err) + return nil + } + + if err := cfg.ParseModules(); err != nil { + cfg.Logger.Error(err, "invalid module configuration: %w", err) + return nil + } + + return builder.GenerateAndCompile(cfg) + }, + } + + // the external config file + cmd.Flags().StringVar(&cfgFile, "config", "", "config file (default is $HOME/.otelcol-builder.yaml)") + + // the distribution parameters, which we accept as CLI flags as well + cmd.Flags().StringVar(&cfg.Distribution.ExeName, "name", "otelcol-custom", "The executable name for the OpenTelemetry Collector distribution") + cmd.Flags().StringVar(&cfg.Distribution.LongName, "description", "Custom OpenTelemetry Collector distribution", "A descriptive name for the OpenTelemetry Collector distribution") + cmd.Flags().StringVar(&cfg.Distribution.Version, "version", "1.0.0", "The version for the OpenTelemetry Collector distribution") + cmd.Flags().BoolVar(&cfg.Distribution.IncludeCore, "include-core", true, "Whether the core components should be included in the distribution") + cmd.Flags().StringVar(&cfg.Distribution.OtelColVersion, "otelcol-version", cfg.Distribution.OtelColVersion, "Which version of OpenTelemetry Collector to use as base") + cmd.Flags().StringVar(&cfg.Distribution.OutputPath, "output-path", cfg.Distribution.OutputPath, "Where to write the resulting files") + cmd.Flags().StringVar(&cfg.Distribution.Go, "go", "/usr/bin/go", "The Go binary to use during the compilation phase") + cmd.Flags().StringVar(&cfg.Distribution.Module, "module", "github.com/jpkroehling/opentelemetry-collector-builder", "The Go module for the new distribution") + + // tie Viper to flags + if err := viper.BindPFlags(cmd.Flags()); err != nil { + cfg.Logger.Error(err, "failed to bind flags") + } + + if err := cmd.Execute(); err != nil { + cfg.Logger.Error(err, "failed to run") + } +} + +func initConfig() { + cfg.Logger.Info("OpenTelemetry Collector distribution builder", "version", version, "date", date) + + // a couple of Viper goodies, to make it easier to use env vars when flags are not desirable + viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_")) + viper.AutomaticEnv() + + // load values from config file -- required for the modules configuration + if cfgFile != "" { + viper.SetConfigFile(cfgFile) + } else { + viper.AddConfigPath("$HOME") + viper.SetConfigName(".otelcol-builder") + } + + // load the config file + if err := viper.ReadInConfig(); err == nil { + cfg.Logger.Info("Using config file", "path", viper.ConfigFileUsed()) + } + + // convert Viper's internal state into our configuration object + if err := viper.Unmarshal(&cfg); err != nil { + cfg.Logger.Error(err, "failed to parse the config") + return + } +} diff --git a/go.mod b/go.mod new file mode 100644 index 00000000000..88564c61048 --- /dev/null +++ b/go.mod @@ -0,0 +1,26 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +module github.com/open-telemetry/opentelemetry-collector-builder + +go 1.14 + +require ( + github.com/go-logr/logr v0.2.1 + github.com/go-logr/zapr v0.2.0 + github.com/spf13/cobra v1.0.0 + github.com/spf13/viper v1.7.1 + github.com/stretchr/testify v1.6.1 + go.uber.org/zap v1.10.0 +) diff --git a/go.sum b/go.sum new file mode 100644 index 00000000000..2cb2945559a --- /dev/null +++ b/go.sum @@ -0,0 +1,334 @@ +cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.34.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw= +cloud.google.com/go v0.38.0/go.mod h1:990N+gfupTy94rShfmMCWGDn0LpTmnzTp2qbd1dvSRU= +cloud.google.com/go v0.44.1/go.mod h1:iSa0KzasP4Uvy3f1mN/7PiObzGgflwredwwASm/v6AU= +cloud.google.com/go v0.44.2/go.mod h1:60680Gw3Yr4ikxnPRS/oxxkBccT6SA1yMk63TGekxKY= +cloud.google.com/go v0.45.1/go.mod h1:RpBamKRgapWJb87xiFSdk4g1CME7QZg3uwTez+TSTjc= +cloud.google.com/go v0.46.3/go.mod h1:a6bKKbmY7er1mI7TEI4lsAkts/mkhTSZK8w33B4RAg0= +cloud.google.com/go/bigquery v1.0.1/go.mod h1:i/xbL2UlR5RvWAURpBYZTtm/cXjCha9lbfbpx4poX+o= +cloud.google.com/go/datastore v1.0.0/go.mod h1:LXYbyblFSglQ5pkeyhO+Qmw7ukd3C+pD7TKLgZqpHYE= 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h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c h1:dUUwHk2QECo/6vqA44rthZ8ie2QXMNeKRTHCNY2nXvo= +gopkg.in/yaml.v3 v3.0.0-20200313102051-9f266ea9e77c/go.mod h1:K4uyk7z7BCEPqu6E+C64Yfv1cQ7kz7rIZviUmN+EgEM= +honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4= +honnef.co/go/tools v0.0.1-2019.2.3/go.mod h1:a3bituU0lyd329TUQxRnasdCoJDkEUEAqEt0JzvZhAg= +rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8= diff --git a/header.txt b/header.txt new file mode 100644 index 00000000000..1038a144623 --- /dev/null +++ b/header.txt @@ -0,0 +1,13 @@ +Copyright 2020 OpenTelemetry 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 + + http://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. \ No newline at end of file diff --git a/internal/builder/config.go b/internal/builder/config.go new file mode 100644 index 00000000000..a7ea82dd868 --- /dev/null +++ b/internal/builder/config.go @@ -0,0 +1,150 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package builder + +import ( + "errors" + "fmt" + "io/ioutil" + "os" + "strings" + + "github.com/go-logr/logr" + "github.com/go-logr/zapr" + "go.uber.org/zap" +) + +const defaultOtelColVersion = "0.19.0" + +// ErrInvalidGoMod indicates an invalid gomod +var ErrInvalidGoMod = errors.New("invalid gomod specification for module") + +// Config holds the builder's configuration +type Config struct { + Logger logr.Logger + + Distribution Distribution `mapstructure:"dist"` + Exporters []Module `mapstructure:"exporters"` + Extensions []Module `mapstructure:"extensions"` + Receivers []Module `mapstructure:"receivers"` + Processors []Module `mapstructure:"processors"` + Replaces []string `mapstructure:"replaces"` +} + +// Distribution holds the parameters for the final binary +type Distribution struct { + Module string `mapstructure:"module"` + ExeName string `mapstructure:"name"` + Go string `mapstructure:"go"` + LongName string `mapstructure:"description"` + OtelColVersion string `mapstructure:"otelcol_version"` + IncludeCore bool `mapstructure:"include_core"` + OutputPath string `mapstructure:"output_path"` + Version string `mapstructure:"version"` +} + +// Module represents a receiver, exporter, processor or extension for the distribution +type Module struct { + Name string `mapstructure:"name"` // if not specified, this is package part of the go mod (last part of the path) + Import string `mapstructure:"import"` // if not specified, this is the path part of the go mods + GoMod string `mapstructure:"gomod"` // a gomod-compatible spec for the module + Path string `mapstructure:"path"` // an optional path to the local version of this module + Core bool `mapstructure:"core"` // whether this module comes from core, meaning that no further dependencies will be added +} + +// DefaultConfig creates a new config, with default values +func DefaultConfig() Config { + zapLog, err := zap.NewDevelopment() + if err != nil { + panic(fmt.Sprintf("failed to obtain a logger instance: %v", err)) + } + log := zapr.NewLogger(zapLog) + + outputDir, err := ioutil.TempDir("", "otelcol-distribution") + if err != nil { + log.Error(err, "failed to obtain a temporary directory") + } + + return Config{ + Logger: log, + Distribution: Distribution{ + OutputPath: outputDir, + OtelColVersion: defaultOtelColVersion, + }, + } +} + +// Validate checks whether the current configuration is valid +func (c Config) Validate() error { + return nil +} + +// ParseModules will parse the Modules entries and populate the missing values +func (c *Config) ParseModules() error { + var err error + + c.Extensions, err = parseModules(c.Extensions) + if err != nil { + return err + } + + c.Receivers, err = parseModules(c.Receivers) + if err != nil { + return err + } + + c.Exporters, err = parseModules(c.Exporters) + if err != nil { + return err + } + + c.Processors, err = parseModules(c.Processors) + if err != nil { + return err + } + + return nil +} + +func parseModules(mods []Module) ([]Module, error) { + parsedModules := []Module{} + for _, mod := range mods { + if len(mod.GoMod) == 0 && !mod.Core { + return mods, fmt.Errorf("%w, module: %q", ErrInvalidGoMod, mod.GoMod) + } + + if len(mod.Import) == 0 { + mod.Import = strings.Split(mod.GoMod, " ")[0] + } + + if len(mod.Name) == 0 { + parts := strings.Split(mod.Import, "/") + mod.Name = parts[len(parts)-1] + } + + if strings.HasPrefix(mod.Path, "./") { + path, err := os.Getwd() + if err != nil { + return mods, fmt.Errorf("module has a relative Path element, but we couldn't get the current working dir: %v", err) + } + + mod.Path = fmt.Sprintf("%s/%s", path, mod.Path[2:]) + } + + parsedModules = append(parsedModules, mod) + } + + return parsedModules, nil +} diff --git a/internal/builder/config_test.go b/internal/builder/config_test.go new file mode 100644 index 00000000000..08fab22c821 --- /dev/null +++ b/internal/builder/config_test.go @@ -0,0 +1,96 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package builder + +import ( + "errors" + "os" + "strings" + "testing" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +func TestParseModules(t *testing.T) { + // prepare + cfg := Config{ + Extensions: []Module{{ + GoMod: "github.com/org/repo v0.1.2", + }}, + } + + // test + err := cfg.ParseModules() + assert.NoError(t, err) + + // verify + assert.Equal(t, "github.com/org/repo v0.1.2", cfg.Extensions[0].GoMod) + assert.Equal(t, "github.com/org/repo", cfg.Extensions[0].Import) + assert.Equal(t, "repo", cfg.Extensions[0].Name) +} + +func TestRelativePath(t *testing.T) { + // prepare + cfg := Config{ + Extensions: []Module{{ + GoMod: "some-module", + Path: "./some-module", + }}, + } + + // test + err := cfg.ParseModules() + assert.NoError(t, err) + + // verify + cwd, err := os.Getwd() + require.NoError(t, err) + assert.True(t, strings.HasPrefix(cfg.Extensions[0].Path, "/")) + assert.True(t, strings.HasPrefix(cfg.Extensions[0].Path, cwd)) +} + +func TestModuleFromCore(t *testing.T) { + // prepare + cfg := Config{ + Extensions: []Module{{ + Core: true, + Import: "go.opentelemetry.io/collector/receiver/jaegerreceiver", + }}, + } + + // test + err := cfg.ParseModules() + assert.NoError(t, err) + + // verify + assert.True(t, strings.HasPrefix(cfg.Extensions[0].Name, "jaegerreceiver")) + assert.Empty(t, cfg.Extensions[0].GoMod) +} + +func TestInvalidModule(t *testing.T) { + // prepare + cfg := Config{ + Extensions: []Module{{ + Import: "go.opentelemetry.io/collector/receiver/jaegerreceiver", + }}, + } + + // test + err := cfg.ParseModules() + + // verify + assert.True(t, errors.Is(err, ErrInvalidGoMod)) +} diff --git a/internal/builder/main.go b/internal/builder/main.go new file mode 100644 index 00000000000..45bebb2ee38 --- /dev/null +++ b/internal/builder/main.go @@ -0,0 +1,120 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package builder + +import ( + "errors" + "fmt" + "os" + "os/exec" + "path/filepath" + "text/template" + + "github.com/open-telemetry/opentelemetry-collector-builder/internal/scaffold" +) + +var ( + // ErrFailedToGenerateSourceFromTemplate indicates a failure in writing the final contents to the destination file + ErrFailedToGenerateSourceFromTemplate = errors.New("failed to generate source from template") + + // ErrGoNotFound is returned when a Go binary hasn't been found + ErrGoNotFound = errors.New("Go binary not found") +) + +// GenerateAndCompile will generate the source files based on the given configuration and will compile it into a binary +func GenerateAndCompile(cfg Config) error { + if err := Generate(cfg); err != nil { + return err + } + + return Compile(cfg) +} + +// Generate assembles a new distribution based on the given configuration +func Generate(cfg Config) error { + // if the file does not exist, try to create it + if _, err := os.Stat(cfg.Distribution.OutputPath); os.IsNotExist(err) { + if err := os.Mkdir(cfg.Distribution.OutputPath, 0755); err != nil { + return fmt.Errorf("failed to create output path: %w", err) + } + } else if err != nil { + // something else happened + return fmt.Errorf("failed to create output path: %w", err) + } + + for _, file := range []struct { + outFile string + tmpl string + }{ + { + "main.go", + scaffold.Main, + }, + // components.go + { + "components.go", + scaffold.Components, + }, + { + "go.mod", + scaffold.Gomod, + }, + } { + if err := processAndWrite(cfg, file.tmpl, file.outFile, cfg); err != nil { + return fmt.Errorf("failed to generate source file with destination %q, source: %q: %w", file.outFile, file.tmpl, err) + } + } + + cfg.Logger.Info("Sources created", "path", cfg.Distribution.OutputPath) + return nil +} + +// Compile generates a binary from the sources based on the configuration +func Compile(cfg Config) error { + goBinary := cfg.Distribution.Go + // first, we test to check if we have Go at all + if _, err := exec.Command(goBinary, "env").CombinedOutput(); err != nil { + path, err := exec.LookPath("go") + if err != nil { + return ErrGoNotFound + } + goBinary = path + cfg.Logger.Info("Using go from PATH", "Go executable", path) + } + + cfg.Logger.Info("Compiling") + cmd := exec.Command(goBinary, "build", "-ldflags=-s -w", "-trimpath", "-o", cfg.Distribution.ExeName) + cmd.Dir = cfg.Distribution.OutputPath + if out, err := cmd.CombinedOutput(); err != nil { + return fmt.Errorf("failed to compile the OpenTelemetry Collector distribution: %w. Output: %q", err, out) + } + cfg.Logger.Info("Compiled", "binary", fmt.Sprintf("%s/%s", cfg.Distribution.OutputPath, cfg.Distribution.ExeName)) + + return nil +} + +func processAndWrite(cfg Config, tmpl string, outFile string, tmplParams interface{}) error { + t, err := template.New("template").Parse(tmpl) + if err != nil { + return err + } + + out, err := os.Create(filepath.Join(cfg.Distribution.OutputPath, outFile)) + if err != nil { + return err + } + + return t.Execute(out, tmplParams) +} diff --git a/internal/scaffold/components.go b/internal/scaffold/components.go new file mode 100644 index 00000000000..0354eae1c31 --- /dev/null +++ b/internal/scaffold/components.go @@ -0,0 +1,130 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package scaffold + +const Components = ` +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package main + +import ( + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/component/componenterror" + {{- if .Distribution.IncludeCore}} + "go.opentelemetry.io/collector/service/defaultcomponents" + {{- end}} + + // extensions + {{- range .Extensions}} + {{.Name}} "{{.Import}}" + {{- end}} + + // receivers + {{- range .Receivers}} + {{.Name}} "{{.Import}}" + {{- end}} + + // exporters + {{- range .Exporters}} + {{.Name}} "{{.Import}}" + {{- end}} + + // processors + {{- range .Processors}} + {{.Name}} "{{.Import}}" + {{- end}} +) + +func components() (component.Factories, error) { + var errs []error + var err error + var factories component.Factories + + {{- if .Distribution.IncludeCore}} + factories, err = defaultcomponents.Components() + if err != nil { + return component.Factories{}, err + } + {{- else}} + factories = component.Factories{} + {{- end}} + + extensions := []component.ExtensionFactory{ + {{- range .Extensions}} + {{.Name}}.NewFactory(), + {{- end}} + } + for _, ext := range factories.Extensions { + extensions = append(extensions, ext) + } + factories.Extensions, err = component.MakeExtensionFactoryMap(extensions...) + if err != nil { + errs = append(errs, err) + } + + receivers := []component.ReceiverFactory{ + {{- range .Receivers}} + {{.Name}}.NewFactory(), + {{- end}} + } + for _, rcv := range factories.Receivers { + receivers = append(receivers, rcv) + } + factories.Receivers, err = component.MakeReceiverFactoryMap(receivers...) + if err != nil { + errs = append(errs, err) + } + + exporters := []component.ExporterFactory{ + {{- range .Exporters}} + {{.Name}}.NewFactory(), + {{- end}} + } + for _, exp := range factories.Exporters { + exporters = append(exporters, exp) + } + factories.Exporters, err = component.MakeExporterFactoryMap(exporters...) + if err != nil { + errs = append(errs, err) + } + + processors := []component.ProcessorFactory{ + {{- range .Processors}} + {{.Name}}.NewFactory(), + {{- end}} + } + for _, pr := range factories.Processors { + processors = append(processors, pr) + } + factories.Processors, err = component.MakeProcessorFactoryMap(processors...) + if err != nil { + errs = append(errs, err) + } + + return factories, componenterror.CombineErrors(errs) +} +` diff --git a/internal/scaffold/gomod.go b/internal/scaffold/gomod.go new file mode 100644 index 00000000000..741352e939c --- /dev/null +++ b/internal/scaffold/gomod.go @@ -0,0 +1,53 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package scaffold + +const Gomod = ` +module {{.Distribution.Module}} + +go 1.15 + +require ( + {{- range .Extensions}} + {{if .GoMod}}{{.GoMod}}{{end}} + {{- end}} + {{- range .Receivers}} + {{if .GoMod}}{{.GoMod}}{{end}} + {{- end}} + {{- range .Exporters}} + {{if .GoMod}}{{.GoMod}}{{end}} + {{- end}} + {{- range .Processors}} + {{if .GoMod}}{{.GoMod}}{{end}} + {{- end}} + go.opentelemetry.io/collector v{{.Distribution.OtelColVersion}} +) + +{{- range .Extensions}} +{{if ne .Path ""}}replace {{.GoMod}} => {{.Path}}{{end}} +{{- end}} +{{- range .Receivers}} +{{if ne .Path ""}}replace {{.GoMod}} => {{.Path}}{{end}} +{{- end}} +{{- range .Exporters}} +{{if ne .Path ""}}replace {{.GoMod}} => {{.Path}}{{end}} +{{- end}} +{{- range .Processors}} +{{if ne .Path ""}}replace {{.GoMod}} => {{.Path}}{{end}} +{{- end}} +{{- range .Replaces}} +replace {{.}} +{{- end}} +` diff --git a/internal/scaffold/main.go b/internal/scaffold/main.go new file mode 100644 index 00000000000..5adb0d58b2b --- /dev/null +++ b/internal/scaffold/main.go @@ -0,0 +1,66 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package scaffold + +const Main = ` +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +// Program otelcontribcol is an extension to the OpenTelemetry Collector +// that includes additional components, some vendor-specific, contributed +// from the wider community. +package main + +import ( + "log" + + "go.opentelemetry.io/collector/component" + "go.opentelemetry.io/collector/service" +) + +func main() { + factories, err := components() + if err != nil { + log.Fatalf("failed to build components: %v", err) + } + + info := component.ApplicationStartInfo{ + ExeName: "{{ .Distribution.ExeName }}", + LongName: "{{ .Distribution.LongName }}", + Version: "{{ .Distribution.Version }}", + } + + app, err := service.New(service.Parameters{ApplicationStartInfo: info, Factories: factories}) + if err != nil { + log.Fatal("failed to construct the application: %w", err) + } + + err = app.Run() + if err != nil { + log.Fatal("application run finished with error: %w", err) + } +} +` diff --git a/main.go b/main.go new file mode 100644 index 00000000000..2399c22a679 --- /dev/null +++ b/main.go @@ -0,0 +1,23 @@ +// Copyright 2020 OpenTelemetry 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 +// +// http://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. + +package main + +import ( + "github.com/open-telemetry/opentelemetry-collector-builder/cmd" +) + +func main() { + cmd.Execute() +} diff --git a/test/README.md b/test/README.md new file mode 100644 index 00000000000..8c2b6f06bea --- /dev/null +++ b/test/README.md @@ -0,0 +1,3 @@ += Testing for the OpenTelemetry Collector Builder + +This is a set of end-to-end tests for the builder. As such, it includes only positive tests, based on the manifest files in this directory. Each manifest is expected to be in a working state and should yield an OpenTelemetry Collector instance that is ready within a time interval. "Ready" is defined by calling its healthcheck endpoint. diff --git a/test/nocore.builder.yaml b/test/nocore.builder.yaml new file mode 100644 index 00000000000..0bf868cd054 --- /dev/null +++ b/test/nocore.builder.yaml @@ -0,0 +1,14 @@ +dist: + module: github.com/open-telemetry/opentelemetry-collector-builder/test/nocore + otelcol_version: 0.19.0 + include_core: false + +receivers: + - import: go.opentelemetry.io/collector/receiver/jaegerreceiver + core: true +exporters: + - import: go.opentelemetry.io/collector/exporter/loggingexporter + core: true +extensions: + - import: go.opentelemetry.io/collector/extension/healthcheckextension + core: true diff --git a/test/nocore.otel.yaml b/test/nocore.otel.yaml new file mode 100644 index 00000000000..8f8093839b6 --- /dev/null +++ b/test/nocore.otel.yaml @@ -0,0 +1,25 @@ +extensions: + health_check: + +receivers: + jaeger: + protocols: + grpc: + thrift_http: + thrift_compact: + thrift_binary: + +processors: + +exporters: + logging: + +service: + extensions: [health_check] + pipelines: + traces: + receivers: + - jaeger + processors: [] + exporters: + - logging diff --git a/test/replaces.builder.yaml b/test/replaces.builder.yaml new file mode 100644 index 00000000000..26e0121c1ca --- /dev/null +++ b/test/replaces.builder.yaml @@ -0,0 +1,10 @@ +dist: + module: github.com/open-telemetry/opentelemetry-collector-builder/test/replaces + otelcol_version: 0.19.0 + +processors: + - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/processor/routingprocessor v0.19.0 + - gomod: github.com/open-telemetry/opentelemetry-collector-contrib/processor/resourcedetectionprocessor v0.19.0 + +replaces: + - github.com/open-telemetry/opentelemetry-collector-contrib/internal/common => github.com/open-telemetry/opentelemetry-collector-contrib/internal/common v0.19.0 diff --git a/test/replaces.otel.yaml b/test/replaces.otel.yaml new file mode 100755 index 00000000000..04e3d5053fd --- /dev/null +++ b/test/replaces.otel.yaml @@ -0,0 +1,36 @@ +extensions: + health_check: + +receivers: + otlp: + protocols: + grpc: + endpoint: localhost:4317 + +processors: + resourcedetection: + detectors: + - env + routing: + default_exporters: + - logging + from_attribute: X-Tenant + table: + - value: acme + exporters: + - logging + +exporters: + logging: + +service: + extensions: [health_check] + pipelines: + traces: + receivers: + - otlp + processors: + - resourcedetection + - routing + exporters: + - logging diff --git a/test/test.sh b/test/test.sh new file mode 100755 index 00000000000..d03c508f85a --- /dev/null +++ b/test/test.sh @@ -0,0 +1,88 @@ +#!/bin/bash + +# each attempt pauses for 100ms before retrying +max_retries=50 + +tests="replaces nocore" + +base=`mktemp -d` +echo "Running the tests in ${base}" + +failed=false +for test in $tests +do + out="${base}/${test}" + mkdir -p "${out}" + if [ $? != 0 ]; then + echo "❌ FAIL ${test}. Failed to create test directory for the test. Aborting tests." + exit 2 + fi + + echo "Starting test '${test}' at `date`" >> "${out}/test.log" + + go run . --config "./test/${test}.builder.yaml" --output-path "${out}" --name otelcol-built-test > "${out}/builder.log" 2>&1 + if [ $? != 0 ]; then + echo "❌ FAIL ${test}. Failed to compile the test ${test}. Build logs:" + cat "${out}/builder.log" + failed=true + continue + fi + + if [ ! -f "${out}/otelcol-built-test" ]; then + echo "❌ FAIL ${test}. Binary not found for ${test} at '${out}/otelcol-built-test'. Build logs:" + cat "${out}/builder.log" + failed=true + continue + fi + + # start the distribution + "${out}/otelcol-built-test" --config "./test/${test}.otel.yaml" > "${out}/otelcol.log" 2>&1 & + pid=$! + + retries=0 + while true + do + kill -0 "${pid}" >/dev/null 2>&1 + if [ $? != 0 ]; then + echo "❌ FAIL ${test}. The OpenTelemetry Collector isn't running. Startup log:" + cat "${out}/otelcol.log" + failed=true + break + fi + + curl -s localhost:13133 | grep "Server available" > /dev/null + if [ $? == 0 ]; then + echo "✅ PASS ${test}" + + kill "${pid}" + if [ $? != 0 ]; then + echo "Failed to stop the running instance for test ${test}. Return code: $? . Skipping tests." + exit 4 + fi + break + fi + + echo "Server still unavailable for test '${test}'" >> "${out}/test.log" + + let "retries++" + if [ "$retries" -gt "$max_retries" ]; then + echo "❌ FAIL ${test}. Server wasn't up after about 5s." + failed=true + + kill "${pid}" + if [ $? != 0 ]; then + echo "Failed to stop the running instance for test ${test}. Return code: $? . Skipping tests." + exit 8 + fi + break + fi + sleep 0.1s + done + + echo "Stopping server for '${test}' (pid: ${pid})" >> "${out}/test.log" + wait ${pid} +done + +if [[ "$failed" == "true" ]]; then + exit 1 +fi