1
0
Fork 0
forked from barak/tarpoon

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

18
vendor/k8s.io/kubernetes/pkg/auth/authorizer/BUILD generated vendored Normal file
View file

@ -0,0 +1,18 @@
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 = ["interfaces.go"],
tags = ["automanaged"],
deps = ["//pkg/auth/user:go_default_library"],
)

View file

@ -0,0 +1,51 @@
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 = ["abac.go"],
tags = ["automanaged"],
deps = [
"//pkg/apis/abac:go_default_library",
"//pkg/apis/abac/latest:go_default_library",
"//pkg/apis/abac/v0:go_default_library",
"//pkg/auth/authorizer:go_default_library",
"//pkg/runtime:go_default_library",
"//vendor:github.com/golang/glog",
],
)
filegroup(
name = "example_policy",
testonly = True,
srcs = [
"example_policy_file.jsonl",
],
)
go_test(
name = "go_default_test",
srcs = ["abac_test.go"],
data = [
":example_policy",
],
library = "go_default_library",
tags = ["automanaged"],
deps = [
"//pkg/apis/abac:go_default_library",
"//pkg/apis/abac/v0:go_default_library",
"//pkg/apis/abac/v1beta1:go_default_library",
"//pkg/auth/authorizer:go_default_library",
"//pkg/auth/user:go_default_library",
"//pkg/runtime:go_default_library",
],
)

View file

@ -0,0 +1,234 @@
/*
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 abac
// Policy authorizes Kubernetes API actions using an Attribute-based access
// control scheme.
import (
"bufio"
"fmt"
"os"
"strings"
"github.com/golang/glog"
api "k8s.io/kubernetes/pkg/apis/abac"
_ "k8s.io/kubernetes/pkg/apis/abac/latest"
"k8s.io/kubernetes/pkg/apis/abac/v0"
"k8s.io/kubernetes/pkg/auth/authorizer"
"k8s.io/kubernetes/pkg/runtime"
)
type policyLoadError struct {
path string
line int
data []byte
err error
}
func (p policyLoadError) Error() string {
if p.line >= 0 {
return fmt.Sprintf("error reading policy file %s, line %d: %s: %v", p.path, p.line, string(p.data), p.err)
}
return fmt.Sprintf("error reading policy file %s: %v", p.path, p.err)
}
type policyList []*api.Policy
// TODO: Have policies be created via an API call and stored in REST storage.
func NewFromFile(path string) (policyList, error) {
// File format is one map per line. This allows easy concatentation of files,
// comments in files, and identification of errors by line number.
file, err := os.Open(path)
if err != nil {
return nil, err
}
defer file.Close()
scanner := bufio.NewScanner(file)
pl := make(policyList, 0)
decoder := api.Codecs.UniversalDecoder()
i := 0
unversionedLines := 0
for scanner.Scan() {
i++
p := &api.Policy{}
b := scanner.Bytes()
// skip comment lines and blank lines
trimmed := strings.TrimSpace(string(b))
if len(trimmed) == 0 || strings.HasPrefix(trimmed, "#") {
continue
}
decodedObj, _, err := decoder.Decode(b, nil, nil)
if err != nil {
if !(runtime.IsMissingVersion(err) || runtime.IsMissingKind(err) || runtime.IsNotRegisteredError(err)) {
return nil, policyLoadError{path, i, b, err}
}
unversionedLines++
// Migrate unversioned policy object
oldPolicy := &v0.Policy{}
if err := runtime.DecodeInto(decoder, b, oldPolicy); err != nil {
return nil, policyLoadError{path, i, b, err}
}
if err := api.Scheme.Convert(oldPolicy, p, nil); err != nil {
return nil, policyLoadError{path, i, b, err}
}
pl = append(pl, p)
continue
}
decodedPolicy, ok := decodedObj.(*api.Policy)
if !ok {
return nil, policyLoadError{path, i, b, fmt.Errorf("unrecognized object: %#v", decodedObj)}
}
pl = append(pl, decodedPolicy)
}
if unversionedLines > 0 {
glog.Warningf("Policy file %s contained unversioned rules. See docs/admin/authorization.md#abac-mode for ABAC file format details.", path)
}
if err := scanner.Err(); err != nil {
return nil, policyLoadError{path, -1, nil, err}
}
return pl, nil
}
func matches(p api.Policy, a authorizer.Attributes) bool {
if subjectMatches(p, a) {
if verbMatches(p, a) {
// Resource and non-resource requests are mutually exclusive, at most one will match a policy
if resourceMatches(p, a) {
return true
}
if nonResourceMatches(p, a) {
return true
}
}
}
return false
}
// subjectMatches returns true if specified user and group properties in the policy match the attributes
func subjectMatches(p api.Policy, a authorizer.Attributes) bool {
matched := false
username := ""
groups := []string{}
if user := a.GetUser(); user != nil {
username = user.GetName()
groups = user.GetGroups()
}
// If the policy specified a user, ensure it matches
if len(p.Spec.User) > 0 {
if p.Spec.User == "*" {
matched = true
} else {
matched = p.Spec.User == username
if !matched {
return false
}
}
}
// If the policy specified a group, ensure it matches
if len(p.Spec.Group) > 0 {
if p.Spec.Group == "*" {
matched = true
} else {
matched = false
for _, group := range groups {
if p.Spec.Group == group {
matched = true
}
}
if !matched {
return false
}
}
}
return matched
}
func verbMatches(p api.Policy, a authorizer.Attributes) bool {
// TODO: match on verb
// All policies allow read only requests
if a.IsReadOnly() {
return true
}
// Allow if policy is not readonly
if !p.Spec.Readonly {
return true
}
return false
}
func nonResourceMatches(p api.Policy, a authorizer.Attributes) bool {
// A non-resource policy cannot match a resource request
if !a.IsResourceRequest() {
// Allow wildcard match
if p.Spec.NonResourcePath == "*" {
return true
}
// Allow exact match
if p.Spec.NonResourcePath == a.GetPath() {
return true
}
// Allow a trailing * subpath match
if strings.HasSuffix(p.Spec.NonResourcePath, "*") && strings.HasPrefix(a.GetPath(), strings.TrimRight(p.Spec.NonResourcePath, "*")) {
return true
}
}
return false
}
func resourceMatches(p api.Policy, a authorizer.Attributes) bool {
// A resource policy cannot match a non-resource request
if a.IsResourceRequest() {
if p.Spec.Namespace == "*" || p.Spec.Namespace == a.GetNamespace() {
if p.Spec.Resource == "*" || p.Spec.Resource == a.GetResource() {
if p.Spec.APIGroup == "*" || p.Spec.APIGroup == a.GetAPIGroup() {
return true
}
}
}
}
return false
}
// Authorizer implements authorizer.Authorize
func (pl policyList) Authorize(a authorizer.Attributes) (bool, string, error) {
for _, p := range pl {
if matches(*p, a) {
return true, "", nil
}
}
return false, "No policy matched.", nil
// TODO: Benchmark how much time policy matching takes with a medium size
// policy file, compared to other steps such as encoding/decoding.
// Then, add Caching only if needed.
}

File diff suppressed because it is too large Load diff

View file

@ -0,0 +1,10 @@
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"*", "nonResourcePath": "*", "readonly": true}}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"admin", "namespace": "*", "resource": "*", "apiGroup": "*" }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"scheduler", "namespace": "*", "resource": "pods", "readonly": true }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"scheduler", "namespace": "*", "resource": "bindings" }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"kubelet", "namespace": "*", "resource": "pods", "readonly": true }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"kubelet", "namespace": "*", "resource": "services", "readonly": true }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"kubelet", "namespace": "*", "resource": "endpoints", "readonly": true }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"kubelet", "namespace": "*", "resource": "events" }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"alice", "namespace": "projectCaribou", "resource": "*", "apiGroup": "*" }}
{"apiVersion": "abac.authorization.kubernetes.io/v1beta1", "kind": "Policy", "spec": {"user":"bob", "namespace": "projectCaribou", "resource": "*", "apiGroup": "*", "readonly": true }}

View file

@ -0,0 +1,140 @@
/*
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 authorizer
import (
"net/http"
"k8s.io/kubernetes/pkg/auth/user"
)
// Attributes is an interface used by an Authorizer to get information about a request
// that is used to make an authorization decision.
type Attributes interface {
// GetUser returns the user.Info object to authorize
GetUser() user.Info
// GetVerb returns the kube verb associated with API requests (this includes get, list, watch, create, update, patch, delete, and proxy),
// or the lowercased HTTP verb associated with non-API requests (this includes get, put, post, patch, and delete)
GetVerb() string
// When IsReadOnly() == true, the request has no side effects, other than
// caching, logging, and other incidentals.
IsReadOnly() bool
// The namespace of the object, if a request is for a REST object.
GetNamespace() string
// The kind of object, if a request is for a REST object.
GetResource() string
// GetSubresource returns the subresource being requested, if present
GetSubresource() string
// GetName returns the name of the object as parsed off the request. This will not be present for all request types, but
// will be present for: get, update, delete
GetName() string
// The group of the resource, if a request is for a REST object.
GetAPIGroup() string
// GetAPIVersion returns the version of the group requested, if a request is for a REST object.
GetAPIVersion() string
// IsResourceRequest returns true for requests to API resources, like /api/v1/nodes,
// and false for non-resource endpoints like /api, /healthz, and /swaggerapi
IsResourceRequest() bool
// GetPath returns the path of the request
GetPath() string
}
// Authorizer makes an authorization decision based on information gained by making
// zero or more calls to methods of the Attributes interface. It returns nil when an action is
// authorized, otherwise it returns an error.
type Authorizer interface {
Authorize(a Attributes) (authorized bool, reason string, err error)
}
type AuthorizerFunc func(a Attributes) (bool, string, error)
func (f AuthorizerFunc) Authorize(a Attributes) (bool, string, error) {
return f(a)
}
// RequestAttributesGetter provides a function that extracts Attributes from an http.Request
type RequestAttributesGetter interface {
GetRequestAttributes(user.Info, *http.Request) Attributes
}
// AttributesRecord implements Attributes interface.
type AttributesRecord struct {
User user.Info
Verb string
Namespace string
APIGroup string
APIVersion string
Resource string
Subresource string
Name string
ResourceRequest bool
Path string
}
func (a AttributesRecord) GetUser() user.Info {
return a.User
}
func (a AttributesRecord) GetVerb() string {
return a.Verb
}
func (a AttributesRecord) IsReadOnly() bool {
return a.Verb == "get" || a.Verb == "list" || a.Verb == "watch"
}
func (a AttributesRecord) GetNamespace() string {
return a.Namespace
}
func (a AttributesRecord) GetResource() string {
return a.Resource
}
func (a AttributesRecord) GetSubresource() string {
return a.Subresource
}
func (a AttributesRecord) GetName() string {
return a.Name
}
func (a AttributesRecord) GetAPIGroup() string {
return a.APIGroup
}
func (a AttributesRecord) GetAPIVersion() string {
return a.APIVersion
}
func (a AttributesRecord) IsResourceRequest() bool {
return a.ResourceRequest
}
func (a AttributesRecord) GetPath() string {
return a.Path
}

View file

@ -0,0 +1,29 @@
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 = ["union.go"],
tags = ["automanaged"],
deps = [
"//pkg/auth/authorizer:go_default_library",
"//pkg/util/errors:go_default_library",
],
)
go_test(
name = "go_default_test",
srcs = ["union_test.go"],
library = "go_default_library",
tags = ["automanaged"],
deps = ["//pkg/auth/authorizer:go_default_library"],
)

View file

@ -0,0 +1,57 @@
/*
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 union
import (
"strings"
"k8s.io/kubernetes/pkg/auth/authorizer"
utilerrors "k8s.io/kubernetes/pkg/util/errors"
)
// unionAuthzHandler authorizer against a chain of authorizer.Authorizer
type unionAuthzHandler []authorizer.Authorizer
// New returns an authorizer that authorizes against a chain of authorizer.Authorizer objects
func New(authorizationHandlers ...authorizer.Authorizer) authorizer.Authorizer {
return unionAuthzHandler(authorizationHandlers)
}
// Authorizes against a chain of authorizer.Authorizer objects and returns nil if successful and returns error if unsuccessful
func (authzHandler unionAuthzHandler) Authorize(a authorizer.Attributes) (bool, string, error) {
var (
errlist []error
reasonlist []string
)
for _, currAuthzHandler := range authzHandler {
authorized, reason, err := currAuthzHandler.Authorize(a)
if err != nil {
errlist = append(errlist, err)
}
if len(reason) != 0 {
reasonlist = append(reasonlist, reason)
}
if !authorized {
continue
}
return true, reason, nil
}
return false, strings.Join(reasonlist, "\n"), utilerrors.NewAggregate(errlist)
}

View file

@ -0,0 +1,83 @@
/*
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 union
import (
"fmt"
"testing"
"k8s.io/kubernetes/pkg/auth/authorizer"
)
type mockAuthzHandler struct {
isAuthorized bool
err error
}
func (mock *mockAuthzHandler) Authorize(a authorizer.Attributes) (bool, string, error) {
if mock.err != nil {
return false, "", mock.err
}
if !mock.isAuthorized {
return false, "", nil
}
return true, "", nil
}
func TestAuthorizationSecondPasses(t *testing.T) {
handler1 := &mockAuthzHandler{isAuthorized: false}
handler2 := &mockAuthzHandler{isAuthorized: true}
authzHandler := New(handler1, handler2)
authorized, _, _ := authzHandler.Authorize(nil)
if !authorized {
t.Errorf("Unexpected authorization failure")
}
}
func TestAuthorizationFirstPasses(t *testing.T) {
handler1 := &mockAuthzHandler{isAuthorized: true}
handler2 := &mockAuthzHandler{isAuthorized: false}
authzHandler := New(handler1, handler2)
authorized, _, _ := authzHandler.Authorize(nil)
if !authorized {
t.Errorf("Unexpected authorization failure")
}
}
func TestAuthorizationNonePasses(t *testing.T) {
handler1 := &mockAuthzHandler{isAuthorized: false}
handler2 := &mockAuthzHandler{isAuthorized: false}
authzHandler := New(handler1, handler2)
authorized, _, _ := authzHandler.Authorize(nil)
if authorized {
t.Errorf("Expected failed authorization")
}
}
func TestAuthorizationError(t *testing.T) {
handler1 := &mockAuthzHandler{err: fmt.Errorf("foo")}
handler2 := &mockAuthzHandler{err: fmt.Errorf("foo")}
authzHandler := New(handler1, handler2)
_, _, err := authzHandler.Authorize(nil)
if err == nil {
t.Errorf("Expected error: %v", err)
}
}