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cmd_check.go
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/
cmd_check.go
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// Copyright © 2018-2020 Olivier Robardet
//
// 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:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
package main
import (
"fmt"
"github.com/fatih/color"
"github.com/urfave/cli/v2"
"io/ioutil"
"os"
"path/filepath"
"strings"
)
func getGitlabRootURL(gitRepoPath string) (string, error) {
// If a gitlab URL was given as parameter, just use it
if gitlabRootURL != "" {
return gitlabRootURL, nil
}
// Else, let's try to guess it, it there is a git repository
if gitRepoPath == "" {
// Warn user that we're defaulting because no git repo was found
yellow := color.New(color.FgYellow).SprintFunc()
fmt.Fprintf(color.Output, yellow("No GIT repository found, using default Gitlab API '%s'\n"), defaultGitlabRootURL)
return defaultGitlabRootURL, nil
}
// Extract origin remote url from repository config
remoteURL, err := getGitOriginRemoteURL(gitRepoPath)
if err != nil {
return defaultGitlabRootURL, fmt.Errorf("Failed to find origin remote url in repository: %s", err)
}
// Check if we can use the origin remote url
if remoteURL != "" {
// Guess gitlab url based on remote url
localGitlabRootURL, err := guessGitlabAPIFromGitRemoteURL(remoteURL)
if err != nil {
return defaultGitlabRootURL, fmt.Errorf("No valid and responding Gitlab API URL found from repository's origin remote: %s", err)
}
return localGitlabRootURL, nil
}
// Warn user that we're defaulting because no origin remote was found
yellow := color.New(color.FgYellow).SprintFunc()
fmt.Fprintf(color.Output, yellow("No origin remote found in repository, using default Gitlab API '%s'\n"), gitlabRootURL)
return defaultGitlabRootURL, nil
}
// 'check' command of the program, which is the main action
// It aims to validate the syntax of a .gitlab-ci.yml file, using the CI Lint API of a Gitlab instance
// First it search for a gitlab-ci file if no one is given
// Then it search for a .git repository directory
// If a .git repository is found, its origin remote is analysed to extract and guess a the Gitlab root url to use for
// the API. If no valid origin remote or API is found, the defaultGitlabRootURL is used
// Finally, it call the API with the gitlab-ci file content. If the content if syntax valid, it silently stop. Else it
// display the error messages returned by the API and exit with an error
func commandCheck(c *cli.Context) error {
if c.Args().Present() && c.Args().Get(0) != "" {
processPathArgument(c.Args().Get(0))
}
if verboseMode {
fmt.Printf("Settings:\n directoryRoot: %s\n gitlabCiFilePath: %s\n", directoryRoot, gitlabCiFilePath)
}
// Find gitlab-ci file, if not given
if gitlabCiFilePath == "" {
file, err := findGitlabCiFile(directoryRoot)
if err != nil {
fmt.Println("No gitlab-ci file found")
return nil
}
gitlabCiFilePath = file
}
cwd, _ := os.Getwd()
relativeGitlabCiFilePath, _ := filepath.Rel(cwd, gitlabCiFilePath)
// Find git repository. First, start from gitlab-ci file location
gitRepoPath, err := findGitRepo(filepath.Dir(gitlabCiFilePath))
if err == nil {
// if not found, search from directoryRoot
gitRepoPath, _ = findGitRepo(directoryRoot)
}
localGitlabRootURL, err := getGitlabRootURL(gitRepoPath)
if err != nil {
return cli.NewExitError(err, 5)
}
fmt.Printf("Validating %s... ", relativeGitlabCiFilePath)
if verboseMode {
fmt.Printf("\n")
}
// Call the API to validate the gitlab-ci file
ciFileContent, err := ioutil.ReadFile(gitlabCiFilePath)
if err != nil {
return cli.NewExitError(fmt.Sprintf("Error while reading '%s' file content: %s", relativeGitlabCiFilePath, err), 5)
}
status, errorMessages, err := lintGitlabCIUsingAPI(localGitlabRootURL, string(ciFileContent))
if err != nil {
return cli.NewExitError(fmt.Errorf("Error linting using Gitlab API %s: %w", localGitlabRootURL, err), 5)
}
if !status {
if verboseMode {
fmt.Printf("%s ", relativeGitlabCiFilePath)
}
red := color.New(color.FgRed).SprintFunc()
fmt.Fprintf(color.Output, "%s\n", red("KO"))
messages := red(strings.Join(errorMessages, "\n"))
fmt.Fprintf(os.Stderr, "%s\n", messages)
return cli.NewExitError("", 10)
}
if verboseMode {
fmt.Printf("%s ", relativeGitlabCiFilePath)
}
green := color.New(color.FgGreen).SprintFunc()
fmt.Fprintf(color.Output, "%s\n", green("OK"))
return nil
}