woodpecker/cli/lint/lint.go

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// Copyright 2023 Woodpecker 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 lint
import (
"errors"
"fmt"
"os"
"path"
"path/filepath"
"strings"
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term_env "github.com/muesli/termenv"
"github.com/urfave/cli/v2"
"go.woodpecker-ci.org/woodpecker/v2/cli/common"
pipeline_errors "go.woodpecker-ci.org/woodpecker/v2/pipeline/errors"
"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml"
"go.woodpecker-ci.org/woodpecker/v2/pipeline/frontend/yaml/linter"
)
// Command exports the info command.
var Command = &cli.Command{
Name: "lint",
Usage: "lint a pipeline configuration file",
ArgsUsage: "[path/to/.woodpecker.yaml]",
Action: lint,
}
func lint(c *cli.Context) error {
return common.RunPipelineFunc(c, lintFile, lintDir)
}
func lintDir(c *cli.Context, dir string) error {
var errorStrings []string
if err := filepath.Walk(dir, func(path string, info os.FileInfo, e error) error {
if e != nil {
return e
}
// check if it is a regular file (not dir)
if info.Mode().IsRegular() && (strings.HasSuffix(info.Name(), ".yaml") || strings.HasSuffix(info.Name(), ".yml")) {
fmt.Println("#", info.Name())
if err := lintFile(c, path); err != nil {
errorStrings = append(errorStrings, err.Error())
}
fmt.Println("")
return nil
}
return nil
}); err != nil {
return err
}
if len(errorStrings) != 0 {
return fmt.Errorf("ERRORS: %s", strings.Join(errorStrings, "; "))
}
return nil
}
func lintFile(_ *cli.Context, file string) error {
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output := term_env.NewOutput(os.Stdout)
fi, err := os.Open(file)
if err != nil {
return err
}
defer fi.Close()
buf, err := os.ReadFile(file)
if err != nil {
return err
}
rawConfig := string(buf)
c, err := yaml.ParseString(rawConfig)
if err != nil {
return err
}
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config := &linter.WorkflowConfig{
File: path.Base(file),
RawConfig: rawConfig,
Workflow: c,
}
// TODO: lint multiple files at once to allow checks for sth like "depends_on" to work
err = linter.New(linter.WithTrusted(true)).Lint([]*linter.WorkflowConfig{config})
if err != nil {
fmt.Printf("🔥 %s has warnings / errors:\n", output.String(config.File).Underline())
hasErrors := false
for _, err := range pipeline_errors.GetPipelineErrors(err) {
line := " "
if err.IsWarning {
line = fmt.Sprintf("%s ⚠️ ", line)
} else {
line = fmt.Sprintf("%s ❌", line)
hasErrors = true
}
if data := pipeline_errors.GetLinterData(err); data != nil {
line = fmt.Sprintf("%s %s\t%s", line, output.String(data.Field).Bold(), err.Message)
} else {
line = fmt.Sprintf("%s %s", line, err.Message)
}
// TODO: use table output
fmt.Printf("%s\n", line)
}
if hasErrors {
return errors.New("config has errors")
}
return nil
}
fmt.Println("✅ Config is valid")
return nil
}