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Add glide.yaml and vendor deps

This commit is contained in:
Dalton Hubble 2016-12-03 22:43:32 -08:00
parent db918f12ad
commit 5b3d5e81bd
18880 changed files with 5166045 additions and 1 deletions

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package(default_visibility = ["//visibility:public"])
licenses(["notice"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_binary",
"go_library",
"go_test",
"cgo_library",
)
go_library(
name = "go_default_library",
srcs = ["admission.go"],
tags = ["automanaged"],
deps = [
"//pkg/admission:go_default_library",
"//pkg/api:go_default_library",
"//pkg/api/errors:go_default_library",
"//pkg/client/clientset_generated/internalclientset:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["admission_test.go"],
library = "go_default_library",
tags = ["automanaged"],
deps = [
"//pkg/admission:go_default_library",
"//pkg/api:go_default_library",
],
)

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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package scdeny
import (
"fmt"
"io"
clientset "k8s.io/kubernetes/pkg/client/clientset_generated/internalclientset"
"k8s.io/kubernetes/pkg/admission"
"k8s.io/kubernetes/pkg/api"
apierrors "k8s.io/kubernetes/pkg/api/errors"
)
func init() {
admission.RegisterPlugin("SecurityContextDeny", func(client clientset.Interface, config io.Reader) (admission.Interface, error) {
return NewSecurityContextDeny(client), nil
})
}
// plugin contains the client used by the SecurityContextDeny admission controller
type plugin struct {
*admission.Handler
client clientset.Interface
}
// NewSecurityContextDeny creates a new instance of the SecurityContextDeny admission controller
func NewSecurityContextDeny(client clientset.Interface) admission.Interface {
return &plugin{
Handler: admission.NewHandler(admission.Create, admission.Update),
client: client,
}
}
// Admit will deny any pod that defines SELinuxOptions or RunAsUser.
func (p *plugin) Admit(a admission.Attributes) (err error) {
if a.GetSubresource() != "" || a.GetResource().GroupResource() != api.Resource("pods") {
return nil
}
pod, ok := a.GetObject().(*api.Pod)
if !ok {
return apierrors.NewBadRequest("Resource was marked with kind Pod but was unable to be converted")
}
if pod.Spec.SecurityContext != nil && pod.Spec.SecurityContext.SupplementalGroups != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("SecurityContext.SupplementalGroups is forbidden"))
}
if pod.Spec.SecurityContext != nil {
if pod.Spec.SecurityContext.SELinuxOptions != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("pod.Spec.SecurityContext.SELinuxOptions is forbidden"))
}
if pod.Spec.SecurityContext.RunAsUser != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("pod.Spec.SecurityContext.RunAsUser is forbidden"))
}
}
if pod.Spec.SecurityContext != nil && pod.Spec.SecurityContext.FSGroup != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("SecurityContext.FSGroup is forbidden"))
}
for _, v := range pod.Spec.InitContainers {
if v.SecurityContext != nil {
if v.SecurityContext.SELinuxOptions != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("SecurityContext.SELinuxOptions is forbidden"))
}
if v.SecurityContext.RunAsUser != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("SecurityContext.RunAsUser is forbidden"))
}
}
}
for _, v := range pod.Spec.Containers {
if v.SecurityContext != nil {
if v.SecurityContext.SELinuxOptions != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("SecurityContext.SELinuxOptions is forbidden"))
}
if v.SecurityContext.RunAsUser != nil {
return apierrors.NewForbidden(a.GetResource().GroupResource(), pod.Name, fmt.Errorf("SecurityContext.RunAsUser is forbidden"))
}
}
}
return nil
}

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/*
Copyright 2014 The Kubernetes Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package scdeny
import (
"testing"
"k8s.io/kubernetes/pkg/admission"
"k8s.io/kubernetes/pkg/api"
)
// ensures the SecurityContext is denied if it defines anything more than Caps or Privileged
func TestAdmission(t *testing.T) {
handler := NewSecurityContextDeny(nil)
var runAsUser int64 = 1
priv := true
cases := []struct {
name string
sc *api.SecurityContext
podSc *api.PodSecurityContext
expectError bool
}{
{
name: "unset",
},
{
name: "empty container.SecurityContext",
sc: &api.SecurityContext{},
},
{
name: "empty pod.Spec.SecurityContext",
podSc: &api.PodSecurityContext{},
},
{
name: "valid container.SecurityContext",
sc: &api.SecurityContext{Privileged: &priv, Capabilities: &api.Capabilities{}},
},
{
name: "valid pod.Spec.SecurityContext",
podSc: &api.PodSecurityContext{},
},
{
name: "container.SecurityContext.RunAsUser",
sc: &api.SecurityContext{RunAsUser: &runAsUser},
expectError: true,
},
{
name: "container.SecurityContext.SELinuxOptions",
sc: &api.SecurityContext{SELinuxOptions: &api.SELinuxOptions{}},
expectError: true,
},
{
name: "pod.Spec.SecurityContext.RunAsUser",
podSc: &api.PodSecurityContext{RunAsUser: &runAsUser},
expectError: true,
},
{
name: "pod.Spec.SecurityContext.SELinuxOptions",
podSc: &api.PodSecurityContext{SELinuxOptions: &api.SELinuxOptions{}},
expectError: true,
},
}
for _, tc := range cases {
p := pod()
p.Spec.SecurityContext = tc.podSc
p.Spec.Containers[0].SecurityContext = tc.sc
err := handler.Admit(admission.NewAttributesRecord(p, nil, api.Kind("Pod").WithVersion("version"), "foo", "name", api.Resource("pods").WithVersion("version"), "", "ignored", nil))
if err != nil && !tc.expectError {
t.Errorf("%v: unexpected error: %v", tc.name, err)
} else if err == nil && tc.expectError {
t.Errorf("%v: expected error", tc.name)
}
// verify init containers are also checked
p = pod()
p.Spec.SecurityContext = tc.podSc
p.Spec.Containers[0].SecurityContext = tc.sc
p.Spec.InitContainers = p.Spec.Containers
p.Spec.Containers = nil
err = handler.Admit(admission.NewAttributesRecord(p, nil, api.Kind("Pod").WithVersion("version"), "foo", "name", api.Resource("pods").WithVersion("version"), "", "ignored", nil))
if err != nil && !tc.expectError {
t.Errorf("%v: unexpected error: %v", tc.name, err)
} else if err == nil && tc.expectError {
t.Errorf("%v: expected error", tc.name)
}
}
}
func TestPodSecurityContextAdmission(t *testing.T) {
handler := NewSecurityContextDeny(nil)
pod := api.Pod{
Spec: api.PodSpec{
Containers: []api.Container{
{},
},
},
}
fsGroup := int64(1001)
tests := []struct {
securityContext api.PodSecurityContext
errorExpected bool
}{
{
securityContext: api.PodSecurityContext{},
errorExpected: false,
},
{
securityContext: api.PodSecurityContext{
SupplementalGroups: []int64{1234},
},
errorExpected: true,
},
{
securityContext: api.PodSecurityContext{
FSGroup: &fsGroup,
},
errorExpected: true,
},
}
for _, test := range tests {
pod.Spec.SecurityContext = &test.securityContext
err := handler.Admit(admission.NewAttributesRecord(&pod, nil, api.Kind("Pod").WithVersion("version"), "foo", "name", api.Resource("pods").WithVersion("version"), "", "ignored", nil))
if test.errorExpected && err == nil {
t.Errorf("Expected error for security context %+v but did not get an error", test.securityContext)
}
if !test.errorExpected && err != nil {
t.Errorf("Unexpected error %v for security context %+v", err, test.securityContext)
}
}
}
func TestHandles(t *testing.T) {
handler := NewSecurityContextDeny(nil)
tests := map[admission.Operation]bool{
admission.Update: true,
admission.Create: true,
admission.Delete: false,
admission.Connect: false,
}
for op, expected := range tests {
result := handler.Handles(op)
if result != expected {
t.Errorf("Unexpected result for operation %s: %v\n", op, result)
}
}
}
func pod() *api.Pod {
return &api.Pod{
Spec: api.PodSpec{
Containers: []api.Container{
{},
},
},
}
}