registry.k8s.io/internal/integration/bins.go

64 lines
1.8 KiB
Go

/*
Copyright 2022 The Kubernetes 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 integration
import (
"fmt"
"os"
"os/exec"
"path/filepath"
"strings"
)
func EnsureBinsInPath(binDir string) error {
path := os.Getenv("PATH")
// if bins are already at front of PATH, do nothing
if strings.HasPrefix(path, binDir+string(os.PathSeparator)) {
return nil
}
// otherwise prepend and set
newPath := binDir + string(os.PathListSeparator) + path
return os.Setenv("PATH", newPath)
}
// EnsureCrane ensures crane is available in PATH for testing
// under rootPath/bin
// See also: EnsureBinsInPath
func EnsureCrane(rootPath string) error {
// ensure $REPO_ROOT/bin is in the front of $PATH
root, err := ModuleRootDir()
if err != nil {
return fmt.Errorf("failed to detect path to project root: %w", err)
}
binDir := rootToBinDir(root)
if err := EnsureBinsInPath(binDir); err != nil {
return fmt.Errorf("failed to ensure PATH: %w", err)
}
// install crane
// nolint:gosec // we *want* user supplied command arguments ...
cmd := exec.Command(
"go", "build",
"-o", filepath.Join(binDir, "crane"),
"github.com/google/go-containerregistry/cmd/crane",
)
cmd.Dir = rootToToolsDir(root)
if err := cmd.Run(); err != nil {
return fmt.Errorf("failed to install crane: %w", err)
}
return nil
}