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/*
Copyright 2017 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 validation
import (
"testing"
"k8s.io/apiserver/pkg/apis/audit"
)
func TestValidatePolicy(t *testing.T) {
validRules := []audit.PolicyRule{
{ // Defaulting rule
Level: audit.LevelMetadata,
}, { // Matching non-humans
Level: audit.LevelNone,
UserGroups: []string{"system:serviceaccounts", "system:nodes"},
}, { // Specific request
Level: audit.LevelRequestResponse,
Verbs: []string{"get"},
Resources: []audit.GroupResources{{Group: "rbac.authorization.k8s.io", Resources: []string{"roles", "rolebindings"}}},
Namespaces: []string{"kube-system"},
}, { // Some non-resource URLs
Level: audit.LevelMetadata,
UserGroups: []string{"developers"},
NonResourceURLs: []string{
"/logs*",
"/healthz*",
"/metrics",
"*",
},
}, { // Omit RequestReceived stage
Level: audit.LevelMetadata,
OmitStages: []audit.Stage{
audit.Stage("RequestReceived"),
},
},
}
successCases := []audit.Policy{}
for _, rule := range validRules {
successCases = append(successCases, audit.Policy{Rules: []audit.PolicyRule{rule}})
}
successCases = append(successCases, audit.Policy{}) // Empty policy is valid.
successCases = append(successCases, audit.Policy{OmitStages: []audit.Stage{ // Policy with omitStages
audit.Stage("RequestReceived")}})
successCases = append(successCases, audit.Policy{Rules: validRules}) // Multiple rules.
for i, policy := range successCases {
if errs := ValidatePolicy(&policy); len(errs) != 0 {
t.Errorf("[%d] Expected policy %#v to be valid: %v", i, policy, errs)
}
}
invalidRules := []audit.PolicyRule{
{}, // Empty rule (missing Level)
{ // Missing level
Verbs: []string{"get"},
Resources: []audit.GroupResources{{Resources: []string{"secrets"}}},
Namespaces: []string{"kube-system"},
}, { // Invalid Level
Level: "FooBar",
}, { // NonResourceURLs + Namespaces
Level: audit.LevelMetadata,
Namespaces: []string{"default"},
NonResourceURLs: []string{"/logs*"},
}, { // NonResourceURLs + ResourceKinds
Level: audit.LevelMetadata,
Resources: []audit.GroupResources{{Resources: []string{"secrets"}}},
NonResourceURLs: []string{"/logs*"},
}, { // invalid group name
Level: audit.LevelMetadata,
Resources: []audit.GroupResources{{Group: "rbac.authorization.k8s.io/v1beta1", Resources: []string{"roles"}}},
}, { // invalid non-resource URLs
Level: audit.LevelMetadata,
NonResourceURLs: []string{
"logs",
"/healthz*",
},
}, { // empty non-resource URLs
Level: audit.LevelMetadata,
NonResourceURLs: []string{
"",
"/healthz*",
},
}, { // invalid non-resource URLs with multi "*"
Level: audit.LevelMetadata,
NonResourceURLs: []string{
"/logs/*/*",
"/metrics",
},
}, { // invalid non-resrouce URLs with "*" not in the end
Level: audit.LevelMetadata,
NonResourceURLs: []string{
"/logs/*.log",
"/metrics",
},
},
{ // ResourceNames without Resources
Level: audit.LevelMetadata,
Verbs: []string{"get"},
Resources: []audit.GroupResources{{ResourceNames: []string{"leader"}}},
Namespaces: []string{"kube-system"},
},
{ // invalid omitStages in rule
Level: audit.LevelMetadata,
OmitStages: []audit.Stage{
audit.Stage("foo"),
},
},
}
errorCases := []audit.Policy{}
for _, rule := range invalidRules {
errorCases = append(errorCases, audit.Policy{Rules: []audit.PolicyRule{rule}})
}
// Multiple rules.
errorCases = append(errorCases, audit.Policy{Rules: append(validRules, audit.PolicyRule{})})
// invalid omitStages in policy
policy := audit.Policy{OmitStages: []audit.Stage{
audit.Stage("foo"),
},
Rules: []audit.PolicyRule{{
Level: audit.LevelMetadata,
}},
}
errorCases = append(errorCases, policy)
for i, policy := range errorCases {
if errs := ValidatePolicy(&policy); len(errs) == 0 {
t.Errorf("[%d] Expected policy %#v to be invalid!", i, policy)
}
}
}
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