forked from projectatomic/atomic-enterprise
-
Notifications
You must be signed in to change notification settings - Fork 0
/
types.go
233 lines (201 loc) · 10.6 KB
/
types.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
package api
import (
kapi "github.com/GoogleCloudPlatform/kubernetes/pkg/api"
kruntime "github.com/GoogleCloudPlatform/kubernetes/pkg/runtime"
kutil "github.com/GoogleCloudPlatform/kubernetes/pkg/util"
)
// Authorization is calculated against
// 1. all deny RoleBinding PolicyRules in the master namespace - short circuit on match
// 2. all allow RoleBinding PolicyRules in the master namespace - short circuit on match
// 3. all deny RoleBinding PolicyRules in the namespace - short circuit on match
// 4. all allow RoleBinding PolicyRules in the namespace - short circuit on match
// 5. deny by default
const (
// Policy is a singleton and this is its name
PolicyName = "default"
ResourceAll = "*"
VerbAll = "*"
NonResourceAll = "*"
)
const (
// ResourceGroupPrefix is the prefix for indicating that a resource entry is actually a group of resources. The groups are defined in code and indicate resources that are commonly permissioned together
ResourceGroupPrefix = "resourcegroup"
BuildGroupName = ResourceGroupPrefix + ":builds"
DeploymentGroupName = ResourceGroupPrefix + ":deployments"
ImageGroupName = ResourceGroupPrefix + ":images"
OAuthGroupName = ResourceGroupPrefix + ":oauth"
UserGroupName = ResourceGroupPrefix + ":users"
// PolicyOwnerGroupName includes the physical resources behind the PermissionGrantingGroupName. Unless these physical objects are created first, users with privileges to PermissionGrantingGroupName will
// only be able to bind to global roles
PolicyOwnerGroupName = ResourceGroupPrefix + ":policy"
// PermissionGrantingGroupName includes resources that are necessary to maintain authorization roles and bindings. By itself, this group is insufficient to create anything except for bindings
// to master roles. If a local Policy already exists, then privileges to this group will allow for modification of local roles.
PermissionGrantingGroupName = ResourceGroupPrefix + ":granter"
// OpenshiftExposedGroupName includes resources that are commonly viewed and modified by end users of the system. It does not include any sensitive resources that control authentication or authorization
OpenshiftExposedGroupName = ResourceGroupPrefix + ":exposedopenshift"
OpenshiftAllGroupName = ResourceGroupPrefix + ":allopenshift"
OpenshiftStatusGroupName = ResourceGroupPrefix + ":allopenshift-status"
QuotaGroupName = ResourceGroupPrefix + ":quota"
// KubeInternalsGroupName includes those resources that should reasonably be viewable to end users, but that most users should probably not modify. Kubernetes herself will maintain these resources
KubeInternalsGroupName = ResourceGroupPrefix + ":privatekube"
// KubeExposedGroupName includes resources that are commonly viewed and modified by end users of the system.
KubeExposedGroupName = ResourceGroupPrefix + ":exposedkube"
KubeAllGroupName = ResourceGroupPrefix + ":allkube"
KubeStatusGroupName = ResourceGroupPrefix + ":allkube-status"
)
var (
GroupsToResources = map[string][]string{
BuildGroupName: {"builds", "buildconfigs", "buildlogs", "buildconfigs/instantiate"},
ImageGroupName: {"images", "imagerepositories", "imagerepositorymappings", "imagerepositorytags", "imagestreams", "imagestreammappings", "imagestreamtags", "imagestreamimages"},
DeploymentGroupName: {"deployments", "deploymentconfigs", "generatedeploymentconfigs", "deploymentconfigrollbacks"},
UserGroupName: {"identities", "users", "useridentitymappings"},
OAuthGroupName: {"oauthauthorizetokens", "oauthaccesstokens", "oauthclients", "oauthclientauthorizations"},
PolicyOwnerGroupName: {"policies", "policybindings"},
PermissionGrantingGroupName: {"roles", "rolebindings", "resourceaccessreviews", "subjectaccessreviews"},
OpenshiftExposedGroupName: {BuildGroupName, ImageGroupName, DeploymentGroupName, "templates", "templateconfigs", "routes", "projects"},
OpenshiftAllGroupName: {OpenshiftExposedGroupName, UserGroupName, OAuthGroupName, PolicyOwnerGroupName, PermissionGrantingGroupName},
OpenshiftStatusGroupName: {"imagerepositories/status"},
QuotaGroupName: {"limitranges", "resourcequotas", "resourcequotausages"},
KubeInternalsGroupName: {"endpoints", "minions", "nodes", "bindings", "events", "namespaces"},
KubeExposedGroupName: {"pods", "replicationcontrollers", "services"},
KubeAllGroupName: {KubeInternalsGroupName, KubeExposedGroupName, QuotaGroupName},
KubeStatusGroupName: {"pods/status", "resourcequotas/status", "namespaces/status"},
}
)
// PolicyRule holds information that describes a policy rule, but does not contain information
// about who the rule applies to or which namespace the rule applies to.
type PolicyRule struct {
// Verbs is a list of Verbs that apply to ALL the ResourceKinds and AttributeRestrictions contained in this rule. VerbAll represents all kinds.
Verbs kutil.StringSet
// AttributeRestrictions will vary depending on what the Authorizer/AuthorizationAttributeBuilder pair supports.
// If the Authorizer does not recognize how to handle the AttributeRestrictions, the Authorizer should report an error.
AttributeRestrictions kruntime.EmbeddedObject
// Resources is a list of resources this rule applies to. ResourceAll represents all resources.
Resources kutil.StringSet `json:"resources"`
// ResourceNames is an optional white list of names that the rule applies to. An empty set means that everything is allowed.
ResourceNames kutil.StringSet
// NonResourceURLs is a set of partial urls that a user should have access to. *s are allowed, but only as the full, final step in the path
// If an action is not a resource API request, then the URL is split on '/' and is checked against the NonResourceURLs to look for a match.
NonResourceURLs kutil.StringSet
}
// IsPersonalSubjectAccessReview is a marker for PolicyRule.AttributeRestrictions that denotes that subjectaccessreviews on self should be allowed
type IsPersonalSubjectAccessReview struct {
kapi.TypeMeta
}
// Role is a logical grouping of PolicyRules that can be referenced as a unit by RoleBindings.
type Role struct {
kapi.TypeMeta
kapi.ObjectMeta
// Rules holds all the PolicyRules for this Role
Rules []PolicyRule
}
// RoleBinding references a Role, but not contain it. It can reference any Role in the same namespace or in the global namespace.
// It adds who information via Users and Groups and namespace information by which namespace it exists in. RoleBindings in a given
// namespace only have effect in that namespace (excepting the master namespace which has power in all namespaces).
type RoleBinding struct {
kapi.TypeMeta
kapi.ObjectMeta
// UserNames holds all the usernames directly bound to the role
Users kutil.StringSet
// GroupNames holds all the groups directly bound to the role
Groups kutil.StringSet
// Since Policy is a singleton, this is sufficient knowledge to locate a role
// RoleRefs can only reference the current namespace and the global namespace
// If the RoleRef cannot be resolved, the Authorizer must return an error.
RoleRef kapi.ObjectReference
}
// Policy is a object that holds all the Roles for a particular namespace. There is at most
// one Policy document per namespace.
type Policy struct {
kapi.TypeMeta
kapi.ObjectMeta
// LastModified is the last time that any part of the Policy was created, updated, or deleted
LastModified kutil.Time
// Roles holds all the Roles held by this Policy, mapped by Role.Name
Roles map[string]Role
}
// PolicyBinding is a object that holds all the RoleBindings for a particular namespace. There is
// one PolicyBinding document per referenced Policy namespace
type PolicyBinding struct {
kapi.TypeMeta
kapi.ObjectMeta
// LastModified is the last time that any part of the PolicyBinding was created, updated, or deleted
LastModified kutil.Time
// PolicyRef is a reference to the Policy that contains all the Roles that this PolicyBinding's RoleBindings may reference
PolicyRef kapi.ObjectReference
// RoleBindings holds all the RoleBindings held by this PolicyBinding, mapped by RoleBinding.Name
RoleBindings map[string]RoleBinding
}
// ResourceAccessReviewResponse describes who can perform the action
type ResourceAccessReviewResponse struct {
kapi.TypeMeta
// Namespace is the namespace used for the access review
Namespace string
// Users is the list of users who can perform the action
Users kutil.StringSet
// Groups is the list of groups who can perform the action
Groups kutil.StringSet
}
// ResourceAccessReview is a means to request a list of which users and groups are authorized to perform the
// action specified by spec
type ResourceAccessReview struct {
kapi.TypeMeta
// Verb is one of: get, list, watch, create, update, delete
Verb string
// Resource is one of the existing resource types
Resource string
// Content is the actual content of the request for create and update
Content kruntime.EmbeddedObject
// ResourceName is the name of the resource being requested for a "get" or deleted for a "delete"
ResourceName string
}
// SubjectAccessReviewResponse describes whether or not a user or group can perform an action
type SubjectAccessReviewResponse struct {
kapi.TypeMeta
// Namespace is the namespace used for the access review
Namespace string
// Allowed is required. True if the action would be allowed, false otherwise.
Allowed bool
// Reason is optional. It indicates why a request was allowed or denied.
Reason string
}
// SubjectAccessReview is an object for requesting information about whether a user or group can perform an action
type SubjectAccessReview struct {
kapi.TypeMeta
// Verb is one of: get, list, watch, create, update, delete
Verb string
// Resource is one of the existing resource types
Resource string
// User is optional. If both User and Groups are empty, the current authenticated user is used.
User string
// Groups is optional. Groups is the list of groups to which the User belongs.
Groups kutil.StringSet
// Content is the actual content of the request for create and update
Content kruntime.EmbeddedObject
// ResourceName is the name of the resource being requested for a "get" or deleted for a "delete"
ResourceName string
}
// PolicyList is a collection of Policies
type PolicyList struct {
kapi.TypeMeta
kapi.ListMeta
Items []Policy
}
// PolicyBindingList is a collection of PolicyBindings
type PolicyBindingList struct {
kapi.TypeMeta
kapi.ListMeta
Items []PolicyBinding
}
// RoleBindingList is a collection of RoleBindings
type RoleBindingList struct {
kapi.TypeMeta
kapi.ListMeta
Items []RoleBinding
}
// RoleList is a collection of Roles
type RoleList struct {
kapi.TypeMeta
kapi.ListMeta
Items []Role
}