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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
//go:build linux
package main
import (
"context"
"errors"
"testing"
"time"
"github.com/google/go-cmp/cmp"
"tailscale.com/ipn"
"tailscale.com/kube/kubeapi"
"tailscale.com/kube/kubeclient"
)
func TestSetupKube(t *testing.T) {
tests := []struct {
name string
cfg *settings
wantErr bool
wantCfg *settings
kc *kubeClient
}{
{
name: "TS_AUTHKEY set, state Secret exists",
cfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, false, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return nil, nil
},
}},
wantCfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
},
{
name: "TS_AUTHKEY set, state Secret does not exist, we have permissions to create it",
cfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, true, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return nil, &kubeapi.Status{Code: 404}
},
}},
wantCfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
},
{
name: "TS_AUTHKEY set, state Secret does not exist, we do not have permissions to create it",
cfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, false, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return nil, &kubeapi.Status{Code: 404}
},
}},
wantCfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
wantErr: true,
},
{
name: "TS_AUTHKEY set, we encounter a non-404 error when trying to retrieve the state Secret",
cfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, false, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return nil, &kubeapi.Status{Code: 403}
},
}},
wantCfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
wantErr: true,
},
{
name: "TS_AUTHKEY set, we encounter a non-404 error when trying to check Secret permissions",
cfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
wantCfg: &settings{
AuthKey: "foo",
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, false, errors.New("broken")
},
}},
wantErr: true,
},
{
// Interactive login using URL in Pod logs
name: "TS_AUTHKEY not set, state Secret does not exist, we have permissions to create it",
cfg: &settings{
KubeSecret: "foo",
},
wantCfg: &settings{
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, true, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return nil, &kubeapi.Status{Code: 404}
},
}},
},
{
// Interactive login using URL in Pod logs
name: "TS_AUTHKEY not set, state Secret exists, but does not contain auth key",
cfg: &settings{
KubeSecret: "foo",
},
wantCfg: &settings{
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, false, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return &kubeapi.Secret{}, nil
},
}},
},
{
name: "TS_AUTHKEY not set, state Secret contains auth key, we do not have RBAC to patch it",
cfg: &settings{
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return false, false, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return &kubeapi.Secret{Data: map[string][]byte{"authkey": []byte("foo")}}, nil
},
}},
wantCfg: &settings{
KubeSecret: "foo",
},
wantErr: true,
},
{
name: "TS_AUTHKEY not set, state Secret contains auth key, we have RBAC to patch it",
cfg: &settings{
KubeSecret: "foo",
},
kc: &kubeClient{stateSecret: "foo", Client: &kubeclient.FakeClient{
CheckSecretPermissionsImpl: func(context.Context, string) (bool, bool, error) {
return true, false, nil
},
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return &kubeapi.Secret{Data: map[string][]byte{"authkey": []byte("foo")}}, nil
},
}},
wantCfg: &settings{
KubeSecret: "foo",
AuthKey: "foo",
KubernetesCanPatch: true,
},
},
}
for _, tt := range tests {
kc := tt.kc
t.Run(tt.name, func(t *testing.T) {
if err := tt.cfg.setupKube(context.Background(), kc); (err != nil) != tt.wantErr {
t.Errorf("settings.setupKube() error = %v, wantErr %v", err, tt.wantErr)
}
if diff := cmp.Diff(*tt.cfg, *tt.wantCfg); diff != "" {
t.Errorf("unexpected contents of settings after running settings.setupKube()\n(-got +want):\n%s", diff)
}
})
}
}
func TestWaitForConsistentState(t *testing.T) {
data := map[string][]byte{
// Missing _current-profile.
string(ipn.KnownProfilesStateKey): []byte(""),
string(ipn.MachineKeyStateKey): []byte(""),
"profile-foo": []byte(""),
}
kc := &kubeClient{
Client: &kubeclient.FakeClient{
GetSecretImpl: func(context.Context, string) (*kubeapi.Secret, error) {
return &kubeapi.Secret{
Data: data,
}, nil
},
},
}
ctx, cancel := context.WithTimeout(context.Background(), time.Second)
defer cancel()
if err := kc.waitForConsistentState(ctx); err != context.DeadlineExceeded {
t.Fatalf("expected DeadlineExceeded, got %v", err)
}
ctx, cancel = context.WithTimeout(context.Background(), time.Second)
defer cancel()
data[string(ipn.CurrentProfileStateKey)] = []byte("")
if err := kc.waitForConsistentState(ctx); err != nil {
t.Fatalf("expected nil, got %v", err)
}
}
|
