impersonator_test.go: Test failed and anonymous auth
This commit is contained in:
Ryan Richard
parent
1d68841c78
commit
6ddf4c04e6
@ -50,6 +50,13 @@ func TestImpersonator(t *testing.T) {
|
||||
err = certKeyContent.SetCertKeyContent(cert, key)
|
||||
require.NoError(t, err)
|
||||
|
||||
unrelatedCA, err := certauthority.New(pkix.Name{CommonName: "ca"}, time.Hour)
|
||||
require.NoError(t, err)
|
||||
badClientCertPEM, badClientKeyPEM, err := unrelatedCA.IssuePEM(
|
||||
pkix.Name{CommonName: "test-user", Organization: []string{"test-group1"}}, nil, nil, time.Hour,
|
||||
)
|
||||
require.NoError(t, err)
|
||||
|
||||
// Punch out just enough stuff to make New actually run without error.
|
||||
recOpts := func(options *genericoptions.RecommendedOptions) {
|
||||
options.Authentication.RemoteKubeConfigFileOptional = true
|
||||
@ -63,9 +70,12 @@ func TestImpersonator(t *testing.T) {
|
||||
name string
|
||||
clientUsername string
|
||||
clientGroups []string
|
||||
clientCertPEM string
|
||||
clientKeyPEM string
|
||||
clientImpersonateUser rest.ImpersonationConfig
|
||||
kubeAPIServerClientBearerTokenFile string
|
||||
kubeAPIServerStatusCode int
|
||||
wantKubeAPIServerRequestHeaders http.Header
|
||||
wantError string
|
||||
wantConstructionError string
|
||||
}{
|
||||
@ -74,10 +84,15 @@ func TestImpersonator(t *testing.T) {
|
||||
clientUsername: "test-username",
|
||||
clientGroups: []string{"test-group1", "test-group2"},
|
||||
kubeAPIServerClientBearerTokenFile: "required-to-be-set",
|
||||
},
|
||||
{
|
||||
name: "no bearer token file in Kube API server client config",
|
||||
wantConstructionError: "invalid impersonator loopback rest config has wrong bearer token semantics",
|
||||
wantKubeAPIServerRequestHeaders: http.Header{
|
||||
"Impersonate-User": {"test-username"},
|
||||
"Impersonate-Group": {"test-group1", "test-group2", "system:authenticated"},
|
||||
"Authorization": {"Bearer some-service-account-token"},
|
||||
"User-Agent": {"test-agent"},
|
||||
"Accept": {"application/vnd.kubernetes.protobuf,application/json"},
|
||||
"Accept-Encoding": {"gzip"},
|
||||
"X-Forwarded-For": {"127.0.0.1"},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "user is authenticated but the kube API request returns an error",
|
||||
@ -86,6 +101,37 @@ func TestImpersonator(t *testing.T) {
|
||||
clientGroups: []string{"test-group1", "test-group2"},
|
||||
kubeAPIServerClientBearerTokenFile: "required-to-be-set",
|
||||
wantError: `the server could not find the requested resource (get namespaces)`,
|
||||
wantKubeAPIServerRequestHeaders: http.Header{
|
||||
"Impersonate-User": {"test-username"},
|
||||
"Impersonate-Group": {"test-group1", "test-group2", "system:authenticated"},
|
||||
"Authorization": {"Bearer some-service-account-token"},
|
||||
"User-Agent": {"test-agent"},
|
||||
"Accept": {"application/vnd.kubernetes.protobuf,application/json"},
|
||||
"Accept-Encoding": {"gzip"},
|
||||
"X-Forwarded-For": {"127.0.0.1"},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "when there is no client cert on request, it is an anonymous request",
|
||||
clientCertPEM: "present so we will use the empty keyPEM",
|
||||
clientKeyPEM: "",
|
||||
kubeAPIServerClientBearerTokenFile: "required-to-be-set",
|
||||
wantKubeAPIServerRequestHeaders: http.Header{
|
||||
"Impersonate-User": {"system:anonymous"},
|
||||
"Impersonate-Group": {"system:unauthenticated"},
|
||||
"Authorization": {"Bearer some-service-account-token"},
|
||||
"User-Agent": {"test-agent"},
|
||||
"Accept": {"application/vnd.kubernetes.protobuf,application/json"},
|
||||
"Accept-Encoding": {"gzip"},
|
||||
"X-Forwarded-For": {"127.0.0.1"},
|
||||
},
|
||||
},
|
||||
{
|
||||
name: "failed client cert authentication",
|
||||
clientCertPEM: string(badClientCertPEM),
|
||||
clientKeyPEM: string(badClientKeyPEM),
|
||||
kubeAPIServerClientBearerTokenFile: "required-to-be-set",
|
||||
wantError: "Unauthorized",
|
||||
},
|
||||
{
|
||||
name: "double impersonation is not allowed by regular users",
|
||||
@ -105,6 +151,10 @@ func TestImpersonator(t *testing.T) {
|
||||
wantError: `users "some-other-username" is forbidden: User "test-admin" ` +
|
||||
`cannot impersonate resource "users" in API group "" at the cluster scope: impersonation is not allowed or invalid verb`,
|
||||
},
|
||||
{
|
||||
name: "no bearer token file in Kube API server client config",
|
||||
wantConstructionError: "invalid impersonator loopback rest config has wrong bearer token semantics",
|
||||
},
|
||||
}
|
||||
for _, tt := range tests {
|
||||
tt := tt
|
||||
@ -181,10 +231,16 @@ func TestImpersonator(t *testing.T) {
|
||||
}()
|
||||
|
||||
// Create client certs for authentication to the impersonator.
|
||||
clientCertPEM, clientKeyPEM, err := ca.IssuePEM(
|
||||
pkix.Name{CommonName: tt.clientUsername, Organization: tt.clientGroups}, nil, nil, time.Hour,
|
||||
)
|
||||
require.NoError(t, err)
|
||||
var clientCertPEM, clientKeyPEM []byte
|
||||
if len(tt.clientCertPEM) == 0 {
|
||||
clientCertPEM, clientKeyPEM, err = ca.IssuePEM(
|
||||
pkix.Name{CommonName: tt.clientUsername, Organization: tt.clientGroups}, nil, nil, time.Hour,
|
||||
)
|
||||
require.NoError(t, err)
|
||||
} else {
|
||||
clientCertPEM = []byte(tt.clientCertPEM)
|
||||
clientKeyPEM = []byte(tt.clientKeyPEM)
|
||||
}
|
||||
|
||||
// Create a kubeconfig to talk to the impersonator as a client.
|
||||
clientKubeconfig := &rest.Config{
|
||||
@ -195,7 +251,7 @@ func TestImpersonator(t *testing.T) {
|
||||
KeyData: clientKeyPEM,
|
||||
},
|
||||
UserAgent: "test-agent",
|
||||
// BearerToken should be ignored during auth because there are valid client certs,
|
||||
// BearerToken should be ignored during auth when there are valid client certs,
|
||||
// and it should not passed into the impersonator handler func as an authorization header.
|
||||
BearerToken: "must-be-ignored",
|
||||
Impersonate: tt.clientImpersonateUser,
|
||||
@ -222,18 +278,7 @@ func TestImpersonator(t *testing.T) {
|
||||
// The impersonator should have proxied the request to the fake Kube API server, which should have seen
|
||||
// the headers of the original request mutated by the impersonator.
|
||||
require.True(t, testKubeAPIServerWasCalled)
|
||||
require.Equal(t,
|
||||
http.Header{
|
||||
"Impersonate-User": {tt.clientUsername},
|
||||
"Impersonate-Group": append(tt.clientGroups, "system:authenticated"),
|
||||
"Authorization": {"Bearer some-service-account-token"},
|
||||
"User-Agent": {"test-agent"},
|
||||
"Accept": {"application/vnd.kubernetes.protobuf,application/json"},
|
||||
"Accept-Encoding": {"gzip"},
|
||||
"X-Forwarded-For": {"127.0.0.1"},
|
||||
},
|
||||
testKubeAPIServerSawHeaders,
|
||||
)
|
||||
require.Equal(t, tt.wantKubeAPIServerRequestHeaders, testKubeAPIServerSawHeaders)
|
||||
}
|
||||
|
||||
// Stop the impersonator server.
|
||||
|
||||
Loading…
Reference in New Issue
Block a user