open-vault/command/agent/auth/kubernetes/kubernetes_test.go

122 lines
4.3 KiB
Go

package kubernetes
import (
"bytes"
"context"
"errors"
"io"
"testing"
"github.com/hashicorp/errwrap"
hclog "github.com/hashicorp/go-hclog"
"github.com/hashicorp/vault/command/agent/auth"
"github.com/hashicorp/vault/sdk/helper/logging"
)
func TestKubernetesAuth_basic(t *testing.T) {
testCases := map[string]struct {
tokenPath string
data *mockJWTFile
e error
}{
"normal": {
data: newMockJWTFile(jwtData),
},
"projected": {
tokenPath: "/some/other/path",
data: newMockJWTFile(jwtProjectedData),
},
"not_found": {
e: errors.New("open /var/run/secrets/kubernetes.io/serviceaccount/token: no such file or directory"),
},
"projected_not_found": {
tokenPath: "/some/other/path",
e: errors.New("open /some/other/path: no such file or directory"),
},
}
for k, tc := range testCases {
t.Run(k, func(t *testing.T) {
authCfg := auth.AuthConfig{
Logger: logging.NewVaultLogger(hclog.Trace),
MountPath: "kubernetes",
Config: map[string]interface{}{
"role": "plugin-test",
},
}
if tc.tokenPath != "" {
authCfg.Config["token_path"] = tc.tokenPath
}
a, err := NewKubernetesAuthMethod(&authCfg)
if err != nil {
t.Fatal(err)
}
// Type assert to set the kubernetesMethod jwtData, to mock out reading
// files from the pod.
k := a.(*kubernetesMethod)
if tc.data != nil {
k.jwtData = tc.data
}
_, data, err := k.Authenticate(context.Background(), nil)
if err != nil && tc.e == nil {
t.Fatal(err)
}
if err != nil && !errwrap.Contains(err, tc.e.Error()) {
t.Fatalf("expected \"no such file\" error, got: (%s)", err)
}
if err == nil && tc.e != nil {
t.Fatal("expected error, but got none")
}
if tc.e == nil {
authJWTraw, ok := data["jwt"]
if !ok {
t.Fatal("expected to find jwt data")
}
authJWT := authJWTraw.(string)
token := jwtData
if tc.tokenPath != "" {
token = jwtProjectedData
}
if authJWT != token {
t.Fatalf("error with auth tokens, expected (%s) got (%s)", token, authJWT)
}
}
})
}
}
// jwt for default service account
var jwtData = "eyJhbGciOiJSUzI1NiIsInR5cCI6IkpXVCJ9.eyJpc3MiOiJrdWJlcm5ldGVzL3NlcnZpY2VhY2NvdW50Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9uYW1lc3BhY2UiOiJkZWZhdWx0Iiwia3ViZXJuZXRlcy5pby9zZXJ2aWNlYWNjb3VudC9zZWNyZXQubmFtZSI6InZhdWx0LWF1dGgtdG9rZW4tdDVwY24iLCJrdWJlcm5ldGVzLmlvL3NlcnZpY2VhY2NvdW50L3NlcnZpY2UtYWNjb3VudC5uYW1lIjoidmF1bHQtYXV0aCIsImt1YmVybmV0ZXMuaW8vc2VydmljZWFjY291bnQvc2VydmljZS1hY2NvdW50LnVpZCI6ImQ3N2Y4OWJjLTkwNTUtMTFlNy1hMDY4LTA4MDAyNzZkOTliZiIsInN1YiI6InN5c3RlbTpzZXJ2aWNlYWNjb3VudDpkZWZhdWx0OnZhdWx0LWF1dGgifQ.HKUcqgrvan5ZC_mnpaMEx4RW3KrhfyH_u8G_IA2vUfkLK8tH3T7fJuJaPr7W6K_BqCrbeM5y3owszOzb4NR0Lvw6GBt2cFcen2x1Ua4Wokr0bJjTT7xQOIOw7UvUDyVS17wAurlfUnmWMwMMMOebpqj5K1t6GnyqghH1wPdHYRGX-q5a6C323dBCgM5t6JY_zTTaBgM6EkFq0poBaifmSMiJRPrdUN_-IgyK8fgQRiFYYkgS6DMIU4k4nUOb_sUFf5xb8vMs3SMteKiuWFAIt4iszXTj5IyBUNqe0cXA3zSY3QiNCV6bJ2CWW0Qf9WDtniT79VAqcR4GYaTC_gxjNA"
// jwt for projected service account
var jwtProjectedData = "eyJhbGciOiJSUzI1NiIsImtpZCI6IiJ9.eyJhdWQiOlsia3ViZXJuZXRlcy5kZWZhdWx0LnN2YyJdLCJleHAiOjE2MDMwNTM1NjMsImlhdCI6MTUzOTk4MTU2MywiaXNzIjoia3ViZXJuZXRlcy9zZXJ2aWNlYWNjb3VudCIsImt1YmVybmV0ZXMuaW8iOnsibmFtZXNwYWNlIjoiZGVmYXVsdCIsInBvZCI6eyJuYW1lIjoidmF1bHQiLCJ1aWQiOiIxMDA2YTA2Yy1kM2RmLTExZTgtOGZlMi0wODAwMjdlNTVlYTgifSwic2VydmljZWFjY291bnQiOnsibmFtZSI6ImRlZmF1bHQiLCJ1aWQiOiJiMzg5YjNiMi1kMzAyLTExZTgtYjE0Yy0wODAwMjdlNTVlYTgifX0sIm5iZiI6MTUzOTk4MTU2Mywic3ViIjoic3lzdGVtOnNlcnZpY2VhY2NvdW50OmRlZmF1bHQ6ZGVmYXVsdCJ9.byu3BpCbs0tzQvEBCRTayXF3-kV1Ey7YvStBcCwovfSl6evBze43FFaDps78HtdDAMszjE_yn55_1BMN87EzOZYsF3GBoPLWxkofxhPIy88wmPTpurBsSx-nCKdjf4ayXhTpqGG9gy0xlkUc_xL4pM3Q8XZiqYqwq_T0PHXOpSfdzVy1oabFSZXr5QTZ377v8bvrMgAVWJF_4vZsSMG3XVCK8KBWNRw4_wt6yOelVKE5OGLPJvNu1CFjEKh4HBFBcQnB_Sgpe1nPlnm5utp-1-OVfd7zopOGDAp_Pk_Apu8OPDdPSafn6HpzIeuhMtWXcv1K8ZhZYDLC1wLywZPNyw"
// mockJWTFile provides a mock ReadCloser struct to inject into
// kubernetesMethod.jwtData
type mockJWTFile struct {
b *bytes.Buffer
}
var _ io.ReadCloser = &mockJWTFile{}
func (j *mockJWTFile) Read(p []byte) (n int, err error) {
return j.b.Read(p)
}
func (j *mockJWTFile) Close() error { return nil }
func newMockJWTFile(s string) *mockJWTFile {
return &mockJWTFile{
b: bytes.NewBufferString(s),
}
}