summaryrefslogtreecommitdiff
path: root/vendor/github.com/projectatomic/buildah/secrets.go
diff options
context:
space:
mode:
Diffstat (limited to 'vendor/github.com/projectatomic/buildah/secrets.go')
-rw-r--r--vendor/github.com/projectatomic/buildah/secrets.go198
1 files changed, 0 insertions, 198 deletions
diff --git a/vendor/github.com/projectatomic/buildah/secrets.go b/vendor/github.com/projectatomic/buildah/secrets.go
deleted file mode 100644
index 087bf6ba5..000000000
--- a/vendor/github.com/projectatomic/buildah/secrets.go
+++ /dev/null
@@ -1,198 +0,0 @@
-package buildah
-
-import (
- "bufio"
- "fmt"
- "io/ioutil"
- "os"
- "path/filepath"
- "strings"
-
- rspec "github.com/opencontainers/runtime-spec/specs-go"
- "github.com/opencontainers/selinux/go-selinux/label"
- "github.com/pkg/errors"
- "github.com/sirupsen/logrus"
-)
-
-var (
- // DefaultMountsFile holds the default mount paths in the form
- // "host_path:container_path"
- DefaultMountsFile = "/usr/share/containers/mounts.conf"
- // OverrideMountsFile holds the default mount paths in the form
- // "host_path:container_path" overriden by the user
- OverrideMountsFile = "/etc/containers/mounts.conf"
-)
-
-// secretData stores the name of the file and the content read from it
-type secretData struct {
- name string
- data []byte
-}
-
-// saveTo saves secret data to given directory
-func (s secretData) saveTo(dir string) error {
- path := filepath.Join(dir, s.name)
- if err := os.MkdirAll(filepath.Dir(path), 0700); err != nil && !os.IsExist(err) {
- return err
- }
- return ioutil.WriteFile(path, s.data, 0700)
-}
-
-func readAll(root, prefix string) ([]secretData, error) {
- path := filepath.Join(root, prefix)
-
- data := []secretData{}
-
- files, err := ioutil.ReadDir(path)
- if err != nil {
- if os.IsNotExist(err) {
- return data, nil
- }
-
- return nil, err
- }
-
- for _, f := range files {
- fileData, err := readFile(root, filepath.Join(prefix, f.Name()))
- if err != nil {
- // If the file did not exist, might be a dangling symlink
- // Ignore the error
- if os.IsNotExist(err) {
- continue
- }
- return nil, err
- }
- data = append(data, fileData...)
- }
-
- return data, nil
-}
-
-func readFile(root, name string) ([]secretData, error) {
- path := filepath.Join(root, name)
-
- s, err := os.Stat(path)
- if err != nil {
- return nil, err
- }
-
- if s.IsDir() {
- dirData, err := readAll(root, name)
- if err != nil {
- return nil, err
- }
- return dirData, nil
- }
- bytes, err := ioutil.ReadFile(path)
- if err != nil {
- return nil, err
- }
- return []secretData{{name: name, data: bytes}}, nil
-}
-
-func getHostSecretData(hostDir string) ([]secretData, error) {
- var allSecrets []secretData
- hostSecrets, err := readAll(hostDir, "")
- if err != nil {
- return nil, errors.Wrapf(err, "failed to read secrets from %q", hostDir)
- }
- return append(allSecrets, hostSecrets...), nil
-}
-
-func getMounts(filePath string) []string {
- file, err := os.Open(filePath)
- if err != nil {
- logrus.Warnf("file %q not found, skipping...", filePath)
- return nil
- }
- defer file.Close()
- scanner := bufio.NewScanner(file)
- if err = scanner.Err(); err != nil {
- logrus.Warnf("error reading file %q, skipping...", filePath)
- return nil
- }
- var mounts []string
- for scanner.Scan() {
- mounts = append(mounts, scanner.Text())
- }
- return mounts
-}
-
-// getHostAndCtrDir separates the host:container paths
-func getMountsMap(path string) (string, string, error) {
- arr := strings.SplitN(path, ":", 2)
- if len(arr) == 2 {
- return arr[0], arr[1], nil
- }
- return "", "", errors.Errorf("unable to get host and container dir")
-}
-
-// secretMount copies the contents of host directory to container directory
-// and returns a list of mounts
-func secretMounts(filePath, mountLabel, containerWorkingDir string) ([]rspec.Mount, error) {
- var mounts []rspec.Mount
- defaultMountsPaths := getMounts(filePath)
- for _, path := range defaultMountsPaths {
- hostDir, ctrDir, err := getMountsMap(path)
- if err != nil {
- return nil, err
- }
- // skip if the hostDir path doesn't exist
- if _, err = os.Stat(hostDir); os.IsNotExist(err) {
- logrus.Warnf("%q doesn't exist, skipping", hostDir)
- continue
- }
-
- ctrDirOnHost := filepath.Join(containerWorkingDir, ctrDir)
- if err = os.RemoveAll(ctrDirOnHost); err != nil {
- return nil, fmt.Errorf("remove container directory failed: %v", err)
- }
-
- if err = os.MkdirAll(ctrDirOnHost, 0755); err != nil {
- return nil, fmt.Errorf("making container directory failed: %v", err)
- }
-
- hostDir, err = resolveSymbolicLink(hostDir)
- if err != nil {
- return nil, err
- }
-
- data, err := getHostSecretData(hostDir)
- if err != nil {
- return nil, errors.Wrapf(err, "getting host secret data failed")
- }
- for _, s := range data {
- if err := s.saveTo(ctrDirOnHost); err != nil {
- return nil, errors.Wrapf(err, "error saving data to container filesystem on host %q", ctrDirOnHost)
- }
- }
-
- err = label.Relabel(ctrDirOnHost, mountLabel, false)
- if err != nil {
- return nil, errors.Wrap(err, "error applying correct labels")
- }
-
- m := rspec.Mount{
- Source: ctrDirOnHost,
- Destination: ctrDir,
- Type: "bind",
- Options: []string{"bind"},
- }
-
- mounts = append(mounts, m)
- }
- return mounts, nil
-}
-
-// resolveSymbolicLink resolves a possbile symlink path. If the path is a symlink, returns resolved
-// path; if not, returns the original path.
-func resolveSymbolicLink(path string) (string, error) {
- info, err := os.Lstat(path)
- if err != nil {
- return "", err
- }
- if info.Mode()&os.ModeSymlink != os.ModeSymlink {
- return path, nil
- }
- return filepath.EvalSymlinks(path)
-}