diff --git a/.editorconfig b/.editorconfig new file mode 100644 index 0000000..32f5451 --- /dev/null +++ b/.editorconfig @@ -0,0 +1,20 @@ +; https://editorconfig.org/ + +root = true + +[*] +insert_final_newline = true +charset = utf-8 +trim_trailing_whitespace = true +indent_style = space +indent_size = 2 + +[{Makefile,go.mod,go.sum,*.go,.gitmodules}] +indent_style = tab +indent_size = 2 + +[*.md] +indent_size = 2 +trim_trailing_whitespace = false + +eclint_indent_style = unset diff --git a/.gitignore b/.gitignore index adf8f72..ba9a789 100644 --- a/.gitignore +++ b/.gitignore @@ -14,10 +14,12 @@ # Output of the go coverage tool, specifically when used with LiteIDE *.out +__debug_bin # Dependency directories (remove the comment below to include it) # vendor/ # Go workspace file go.work - +/pipeline-convert +/output diff --git a/.vscode/launch.json b/.vscode/launch.json new file mode 100644 index 0000000..3a9c9fd --- /dev/null +++ b/.vscode/launch.json @@ -0,0 +1,15 @@ +{ + "version": "0.2.0", + "configurations": [ + { + "name": "Launch", + "type": "go", + "request": "launch", + "mode": "debug", + "buildFlags": "-tags 'netgo osusergo'", + "program": "${workspaceRoot}/cmd/pipeline-convert/", + "args": ["-s", "drone/testdata/simple.yml", "-d", "output/"], + "cwd": "${workspaceFolder}", + } + ] +} diff --git a/.vscode/tasks.json b/.vscode/tasks.json new file mode 100644 index 0000000..346e7ad --- /dev/null +++ b/.vscode/tasks.json @@ -0,0 +1,35 @@ +{ + "version": "2.0.0", + "tasks": [ + { + "label": "build", + "type": "shell", + "command": "go", + "linux": { + "args": ["build", "-ldflags", "-w -s", "-tags", "netgo osusergo", "-o", "pipeline-convert", "${workspaceRoot}/cmd/pipeline-convert/..." ] + }, + "osx": { + "args": ["build", "-ldflags", "-w -s", "-tags", "netgo osusergo", "-o", "pipeline-convert", "${workspaceRoot}/cmd/pipeline-convert/..." ] + }, + "windows": { + "args": ["build", "-ldflags", "-w -s", "-tags", "netgo osusergo", "-o", "pipeline-convert.exe", "\"${workspaceRoot}\\cmd\\pipeline-convert\\...\""] + }, + "group": { + "isDefault": true, + "kind": "build" + }, + "presentation": { + "echo": true, + "reveal": "always", + "focus": true, + "panel": "shared", + "showReuseMessage": true, + "clear": false + }, + "options": { + "cwd": "${workspaceRoot}" + }, + "problemMatcher": "$go" + } + ] +} diff --git a/.woodpecker.yml b/.woodpecker.yml new file mode 100644 index 0000000..0a01daf --- /dev/null +++ b/.woodpecker.yml @@ -0,0 +1,12 @@ +pipeline: + test: + image: golang:1.18 + pull: true + commands: + - "go test -ldflags='-w -s' -tags 'netgo osusergo' -cover -coverprofile=coverage.out -covermode=atomic -json ./... > report.json" + when: + event: + - push + - pull_request + branch: + - main diff --git a/LICENSE b/LICENSE index 2071b23..85df266 100644 --- a/LICENSE +++ b/LICENSE @@ -1,6 +1,6 @@ MIT License -Copyright (c) +Copyright (c) 2022 Lauris BH Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: diff --git a/README.md b/README.md index 6344774..a0bda5f 100644 --- a/README.md +++ b/README.md @@ -1,3 +1,5 @@ -# woodpecker-pipeline-transform +# Woodpecker CI pipeline transform -Go library and utility to convert different pipelines to Woodpecker CI piplelines \ No newline at end of file +Go library and utility to convert different pipelines to Woodpecker CI pipeline(s). + +Currently supports converting only from Drone CI pipeline format with limited functionality. diff --git a/cmd/pipeline-convert/main.go b/cmd/pipeline-convert/main.go new file mode 100644 index 0000000..40681f0 --- /dev/null +++ b/cmd/pipeline-convert/main.go @@ -0,0 +1,152 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package main + +import ( + "errors" + "fmt" + "os" + "path/filepath" + + transform "codeberg.org/lafriks/woodpecker-pipeline-transform" + + "codeberg.org/lafriks/woodpecker-pipeline-transform/drone" + "github.com/goccy/go-yaml" + "github.com/spf13/cobra" +) + +var ( + pipelineType string + sourcePath string + destPath string +) + +func ReadSource(path string) ([]*transform.Source, error) { + fs, err := os.Stat(path) + if err != nil { + return nil, err + } + if !fs.IsDir() { + buf, err := os.ReadFile(path) + if err != nil { + return nil, err + } + return []*transform.Source{ + { + Name: fs.Name(), + Content: buf, + }, + }, nil + } + sources := make([]*transform.Source, 0) + dir, err := os.ReadDir(path) + if err != nil { + return nil, err + } + for _, f := range dir { + if f.IsDir() { + continue + } + + buf, err := os.ReadFile(filepath.Join(path, f.Name())) + if err != nil { + return nil, err + } + sources = append(sources, &transform.Source{ + Name: f.Name(), + Content: buf, + }) + } + return sources, nil +} + +func WriteDest(pipelines []*transform.Pipeline, path string) error { + if len(pipelines) == 0 { + return nil + } + + fs, err := os.Stat(path) + if (err != nil || !fs.IsDir()) && len(pipelines) > 1 { + return errors.New("source has multiple pipelines but destination path is not a directory") + } + if len(pipelines) > 1 { + if fs.Name() != ".woodpecker" { + path = filepath.Join(path, ".woodpecker") + } + if err = os.MkdirAll(path, 0o755); err != nil { + return err + } + } + + for _, pipeline := range pipelines { + p := path + if len(pipelines) == 1 { + p = filepath.Join(p, ".woodpecker.yml") + } else { + p = filepath.Join(p, "."+pipeline.Name+".yml") + } + buf, err := yaml.Marshal(pipeline) + if err != nil { + return err + } + if err = os.WriteFile(p, buf, 0o644); err != nil { + return err + } + } + + return nil +} + +// rootCmd represents the base command when called without any subcommands +var rootCmd = &cobra.Command{ + Use: "pipeline-convert", + Short: "Convert a pipeline from one format to another", + Long: `Convert a pipeline from one format to another. +Currently supports converting from Drone CI pipelines to Woodpecker CI pipeline format.`, + Run: func(cmd *cobra.Command, args []string) { + if pipelineType != "drone" { + fmt.Println("Error: unsupported pipeline format type") + os.Exit(1) + } + if sourcePath == "" { + fmt.Println("Error: source path is required") + cmd.Help() + os.Exit(1) + } + if destPath == "" { + fmt.Println("Error: destination path is required") + cmd.Help() + os.Exit(1) + } + sources, err := ReadSource(sourcePath) + if err != nil { + fmt.Printf("Error: failed to load source: %v\n", err) + os.Exit(1) + } + p := drone.New() + pipelines, err := p.Transform(sources) + if err != nil { + fmt.Printf("Error: failed to convert pipeline: %v\n", err) + os.Exit(1) + } + if err = WriteDest(pipelines, destPath); err != nil { + fmt.Printf("Error: failed to write converted pipeline to destination: %v\n", err) + os.Exit(1) + } + }, +} + +func main() { + err := rootCmd.Execute() + if err != nil { + os.Exit(1) + } +} + +func init() { + rootCmd.Flags().StringVarP(&pipelineType, "type", "t", "drone", "pipeline format type (supported: drone)") + rootCmd.Flags().StringVarP(&sourcePath, "source", "s", "", "source pipeline file/dir path") + rootCmd.Flags().StringVarP(&destPath, "dest", "d", "", "destination pipeline file/dir path") +} diff --git a/drone/drone.go b/drone/drone.go new file mode 100644 index 0000000..9723221 --- /dev/null +++ b/drone/drone.go @@ -0,0 +1,70 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package drone + +import ( + "bytes" + + transform "codeberg.org/lafriks/woodpecker-pipeline-transform" + + "github.com/goccy/go-yaml" +) + +func New() *DronePipeline { + return &DronePipeline{} +} + +type DronePipeline struct{} + +func (d DronePipeline) ConvertImage(image string) string { + return image +} + +func (d DronePipeline) Convert(pipeline *Pipeline) (*transform.Pipeline, error) { + if pipeline.Kind != "pipeline" { + return nil, transform.UnsupportedError + } + if pipeline.Type != "docker" { + return nil, transform.UnsupportedError + } + + p := &transform.Pipeline{ + Name: pipeline.Name, + Steps: make(transform.Steps, 0, len(pipeline.Steps)), + } + + for _, step := range pipeline.Steps { + p.Steps = append(p.Steps, &transform.Step{ + Name: step.Name, + Image: d.ConvertImage(step.Image), + Commands: step.Commands, + }) + } + + return p, nil +} + +func (d DronePipeline) Transform(sources []*transform.Source) ([]*transform.Pipeline, error) { + p := make([]*transform.Pipeline, 0, len(sources)) + for _, source := range sources { + dec := yaml.NewDecoder(bytes.NewReader(source.Content)) + var err error + for err == nil { + pipeline := &Pipeline{} + if err = dec.Decode(pipeline); err != nil { + if err.Error() != "EOF" { + return nil, err + } + break + } + r, err := d.Convert(pipeline) + if err != nil { + return nil, err + } + p = append(p, r) + } + } + return p, nil +} diff --git a/drone/drone_test.go b/drone/drone_test.go new file mode 100644 index 0000000..5f38973 --- /dev/null +++ b/drone/drone_test.go @@ -0,0 +1,61 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package drone_test + +import ( + "os" + "testing" + + transform "codeberg.org/lafriks/woodpecker-pipeline-transform" + "codeberg.org/lafriks/woodpecker-pipeline-transform/drone" + + "github.com/stretchr/testify/assert" + "github.com/stretchr/testify/require" +) + +func getPipelineByName(pipelines []*transform.Pipeline, name string) *transform.Pipeline { + for _, pipeline := range pipelines { + if pipeline.Name == name { + return pipeline + } + } + return nil +} + +func TestTransformSimple(t *testing.T) { + buf, err := os.ReadFile("testdata/simple.yml") + require.NoError(t, err) + + d := drone.New() + pipelines, err := d.Transform([]*transform.Source{ + { + Name: "simple", + Content: buf, + }, + }) + + require.NoError(t, err) + require.Len(t, pipelines, 2) + + pipeline := getPipelineByName(pipelines, "build") + require.NotNil(t, pipeline, "build pipeline not found") + + assert.Len(t, pipeline.Steps, 2) + assert.Equal(t, "test", pipeline.Steps[0].Name) + assert.Equal(t, "golang:1.18", pipeline.Steps[0].Image) + assert.Len(t, pipeline.Steps[0].Commands, 1) + + assert.Equal(t, "build", pipeline.Steps[1].Name) + assert.Equal(t, "golang:1.18", pipeline.Steps[1].Image) + assert.Len(t, pipeline.Steps[1].Commands, 1) + + pipeline = getPipelineByName(pipelines, "deploy") + require.NotNil(t, pipeline, "deploy pipeline not found") + + assert.Len(t, pipeline.Steps, 1) + assert.Equal(t, "deploy", pipeline.Steps[0].Name) + assert.Equal(t, "alpine:latest", pipeline.Steps[0].Image) + assert.Len(t, pipeline.Steps[0].Commands, 1) +} diff --git a/drone/pipeline.go b/drone/pipeline.go new file mode 100644 index 0000000..8954817 --- /dev/null +++ b/drone/pipeline.go @@ -0,0 +1,18 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package drone + +type Step struct { + Name string `yaml:"name"` + Image string `yaml:"image"` + Commands []string `yaml:"commands"` +} + +type Pipeline struct { + Kind string `yaml:"kind"` + Type string `yaml:"type"` + Name string `yaml:"name"` + Steps []*Step `yaml:"steps"` +} diff --git a/drone/testdata/simple.yml b/drone/testdata/simple.yml new file mode 100644 index 0000000..82d409e --- /dev/null +++ b/drone/testdata/simple.yml @@ -0,0 +1,33 @@ +--- +kind: pipeline +type: docker +name: build + +steps: +- name: test + image: golang:1.18 + commands: + - go test + +- name: build + image: golang:1.18 + commands: + - go build + +--- +kind: pipeline +type: docker +name: deploy + +depends_on: +- build + +trigger: + status: + - success + +steps: +- name: deploy + image: alpine:latest + commands: + - echo "Deploy" diff --git a/go.mod b/go.mod new file mode 100644 index 0000000..40b6cc7 --- /dev/null +++ b/go.mod @@ -0,0 +1,22 @@ +module codeberg.org/lafriks/woodpecker-pipeline-transform + +go 1.18 + +require ( + github.com/goccy/go-yaml v1.9.5 + github.com/spf13/cobra v1.5.0 + github.com/stretchr/testify v1.4.0 +) + +require ( + github.com/davecgh/go-spew v1.1.0 // indirect + github.com/fatih/color v1.10.0 // indirect + github.com/inconshreveable/mousetrap v1.0.0 // indirect + github.com/mattn/go-colorable v0.1.8 // indirect + github.com/mattn/go-isatty v0.0.12 // indirect + github.com/pmezard/go-difflib v1.0.0 // indirect + github.com/spf13/pflag v1.0.5 // indirect + golang.org/x/sys v0.0.0-20200223170610-d5e6a3e2c0ae // indirect + golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect + gopkg.in/yaml.v2 v2.4.0 // indirect +) diff --git a/go.sum b/go.sum new file mode 100644 index 0000000..2ca19d4 --- /dev/null +++ b/go.sum @@ -0,0 +1,51 @@ +github.com/cpuguy83/go-md2man/v2 v2.0.2/go.mod h1:tgQtvFlXSQOSOSIRvRPT7W67SCa46tRHOmNcaadrF8o= +github.com/davecgh/go-spew v1.1.0 h1:ZDRjVQ15GmhC3fiQ8ni8+OwkZQO4DARzQgrnXU1Liz8= +github.com/davecgh/go-spew v1.1.0/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38= +github.com/fatih/color v1.10.0 h1:s36xzo75JdqLaaWoiEHk767eHiwo0598uUxyfiPkDsg= +github.com/fatih/color v1.10.0/go.mod h1:ELkj/draVOlAH/xkhN6mQ50Qd0MPOk5AAr3maGEBuJM= +github.com/go-playground/assert/v2 v2.0.1/go.mod h1:VDjEfimB/XKnb+ZQfWdccd7VUvScMdVu0Titje2rxJ4= +github.com/go-playground/locales v0.13.0 h1:HyWk6mgj5qFqCT5fjGBuRArbVDfE4hi8+e8ceBS/t7Q= +github.com/go-playground/locales v0.13.0/go.mod h1:taPMhCMXrRLJO55olJkUXHZBHCxTMfnGwq/HNwmWNS8= +github.com/go-playground/universal-translator v0.17.0 h1:icxd5fm+REJzpZx7ZfpaD876Lmtgy7VtROAbHHXk8no= +github.com/go-playground/universal-translator v0.17.0/go.mod h1:UkSxE5sNxxRwHyU+Scu5vgOQjsIJAF8j9muTVoKLVtA= +github.com/go-playground/validator/v10 v10.4.1 h1:pH2c5ADXtd66mxoE0Zm9SUhxE20r7aM3F26W0hOn+GE= +github.com/go-playground/validator/v10 v10.4.1/go.mod h1:nlOn6nFhuKACm19sB/8EGNn9GlaMV7XkbRSipzJ0Ii4= +github.com/goccy/go-yaml v1.9.5 h1:Eh/+3uk9kLxG4koCX6lRMAPS1OaMSAi+FJcya0INdB0= +github.com/goccy/go-yaml v1.9.5/go.mod h1:U/jl18uSupI5rdI2jmuCswEA2htH9eXfferR3KfscvA= +github.com/inconshreveable/mousetrap v1.0.0 h1:Z8tu5sraLXCXIcARxBp/8cbvlwVa7Z1NHg9XEKhtSvM= +github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANytuPF1OarO4DADm73n8= +github.com/leodido/go-urn v1.2.0 h1:hpXL4XnriNwQ/ABnpepYM/1vCLWNDfUNts8dX3xTG6Y= +github.com/leodido/go-urn v1.2.0/go.mod h1:+8+nEpDfqqsY+g338gtMEUOtuK+4dEMhiQEgxpxOKII= +github.com/mattn/go-colorable v0.1.8 h1:c1ghPdyEDarC70ftn0y+A/Ee++9zz8ljHG1b13eJ0s8= +github.com/mattn/go-colorable v0.1.8/go.mod h1:u6P/XSegPjTcexA+o6vUJrdnUu04hMope9wVRipJSqc= +github.com/mattn/go-isatty v0.0.12 h1:wuysRhFDzyxgEmMf5xjvJ2M9dZoWAXNNr5LSBS7uHXY= +github.com/mattn/go-isatty v0.0.12/go.mod h1:cbi8OIDigv2wuxKPP5vlRcQ1OAZbq2CE4Kysco4FUpU= 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h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk= +golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 h1:go1bK/D/BFZV2I8cIQd1NKEZ+0owSTG1fDTci4IqFcE= +golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1/go.mod h1:I/5z698sn9Ka8TeJc9MKroUUfqBBauWjQqLJ2OPfmY0= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM= +gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0= +gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI= +gopkg.in/yaml.v2 v2.4.0 h1:D8xgwECY7CYvx+Y2n4sBz93Jn9JRvxdiyyo8CTfuKaY= +gopkg.in/yaml.v2 v2.4.0/go.mod h1:RDklbk79AGWmwhnvt/jBztapEOGDOx6ZbXqjP6csGnQ= diff --git a/pipeline.go b/pipeline.go new file mode 100644 index 0000000..dba3296 --- /dev/null +++ b/pipeline.go @@ -0,0 +1,43 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package transform + +import ( + "errors" + + "github.com/goccy/go-yaml" +) + +var UnsupportedError = errors.New("unsupported pipeline") + +type Step struct { + Name string `yaml:"-"` + Image string `yaml:"image"` + Commands []string `yaml:"commands,omitempty"` +} + +type Steps []*Step + +func (s Steps) MarshalYAML() (interface{}, error) { + v := make(yaml.MapSlice, len(s)) + for i, step := range s { + v[i] = yaml.MapItem{ + Key: step.Name, + Value: step, + } + } + return v, nil +} + +type Workspace struct { + Base string `yaml:"base"` + Path string `yaml:"path"` +} + +type Pipeline struct { + Name string `yaml:"-"` + Workspace *Workspace `yaml:"workspace,omitempty"` + Steps Steps `yaml:"pipeline"` +} diff --git a/pipeline_test.go b/pipeline_test.go new file mode 100644 index 0000000..8da7faa --- /dev/null +++ b/pipeline_test.go @@ -0,0 +1,42 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package transform_test + +import ( + "testing" + + transform "codeberg.org/lafriks/woodpecker-pipeline-transform" + + "github.com/goccy/go-yaml" + "github.com/stretchr/testify/assert" +) + +func TestPipelineUnmarshal(t *testing.T) { + p := transform.Pipeline{ + Steps: transform.Steps{ + &transform.Step{ + Name: "step1", + Image: "alpine:latest", + Commands: []string{"echo Step 1", "echo $${CI_JOB_ID}"}, + }, + &transform.Step{ + Name: "step2", + Image: "alpine:latest", + }, + }, + } + + buf, err := yaml.Marshal(&p) + assert.NoError(t, err) + assert.Equal(t, `pipeline: + step1: + image: alpine:latest + commands: + - echo Step 1 + - echo $${CI_JOB_ID} + step2: + image: alpine:latest +`, string(buf)) +} diff --git a/transform.go b/transform.go new file mode 100644 index 0000000..c330d6e --- /dev/null +++ b/transform.go @@ -0,0 +1,14 @@ +// Copyright 2022 Lauris BH. All rights reserved. +// Use of this source code is governed by a MIT-style +// license that can be found in the LICENSE file. + +package transform + +type Source struct { + Name string + Content []byte +} + +type Transformer interface { + Transform([]*Source) ([]*Pipeline, error) +}