Alex Ellis (OpenFaaS Ltd) 592f3d3cc0 Move to openfaas org
Closes: #36

Signed-off-by: Alex Ellis (OpenFaaS Ltd) <alexellis2@gmail.com>
2020-02-06 09:36:18 +00:00

106 lines
2.4 KiB
Go

package handlers
import (
"encoding/json"
"io/ioutil"
"log"
"net/http"
"os"
"path"
"github.com/containerd/containerd"
"github.com/openfaas/faas-provider/types"
)
const secretFilePermission = 0644
func MakeSecretHandler(c *containerd.Client, mountPath string) func(w http.ResponseWriter, r *http.Request) {
err := os.MkdirAll(mountPath, secretFilePermission)
if err != nil {
log.Printf("Creating path: %s, error: %s\n", mountPath, err)
}
return func(w http.ResponseWriter, r *http.Request) {
if r.Body != nil {
defer r.Body.Close()
}
switch r.Method {
case http.MethodGet:
listSecrets(c, w, r, mountPath)
case http.MethodPost:
createSecret(c, w, r, mountPath)
case http.MethodPut:
createSecret(c, w, r, mountPath)
case http.MethodDelete:
deleteSecret(c, w, r, mountPath)
default:
w.WriteHeader(http.StatusBadRequest)
return
}
}
}
func listSecrets(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
files, err := ioutil.ReadDir(mountPath)
if err != nil {
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
secrets := []types.Secret{}
for _, f := range files {
secrets = append(secrets, types.Secret{Name: f.Name()})
}
bytesOut, _ := json.Marshal(secrets)
w.Write(bytesOut)
}
func createSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
secret, err := parseSecret(r)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = ioutil.WriteFile(path.Join(mountPath, secret.Name), []byte(secret.Value), secretFilePermission)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}
func parseSecret(r *http.Request) (types.Secret, error) {
secret := types.Secret{}
bytesOut, err := ioutil.ReadAll(r.Body)
if err != nil {
return secret, err
}
err = json.Unmarshal(bytesOut, &secret)
return secret, err
}
func deleteSecret(c *containerd.Client, w http.ResponseWriter, r *http.Request, mountPath string) {
secret, err := parseSecret(r)
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
err = os.Remove(path.Join(mountPath, secret.Name))
if err != nil {
log.Printf("[secret] error %s", err.Error())
http.Error(w, err.Error(), http.StatusInternalServerError)
return
}
}