Files
polaris/pkg/config/exemptions_test.go
Jordan Doig 63fd576d3e Add support for arbitrary Kinds (#505)
* Add basic flow

* Add arbitrary validator

* Pipe config through to resource provider

* Set arbitraries on resource provider

* Add arbitrary validation to fullaudit

* Add conf argument

* Fix resource setting from string

* PR updates

* Fix nil map error

* Delete lingering print, add pdb check, start implementing validator test

* move ingress to arbitrary

* fix compile

* refactor a bunch

* add tls tests

* tests passing

* resource provider helper

* refactor tests

* fix exemptions

* fix check test

* fix up resource creation from API

* fix init containers

* fix cronjob test

* fix pod tests

* combine controllers and-noncontrollers in resource provider

* delint

* add ingress backward compat

* fix tests

* reenable test

* rename a fn

* remove unused fn

* remove if

Co-authored-by: Robert Brennan <contact@rbren.io>
2021-03-26 08:29:59 -04:00

266 lines
9.9 KiB
Go

// Copyright 2019 FairwindsOps Inc
//
// 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 config
import (
"testing"
"github.com/stretchr/testify/assert"
"k8s.io/apimachinery/pkg/api/meta"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/apis/meta/v1/unstructured"
)
var confContainerTest = `
checks:
multipleReplicasForDeployment: warning
priorityClassNotSet: warning
pullPolicyNotAlways: warning
exemptions:
- namespace: prometheus
rules:
- multipleReplicasForDeployment
- controllerNames:
- controller2
rules:
- multipleReplicasForDeployment
- namespace: kube-system
controllerNames:
- controller3
rules:
- multipleReplicasForDeployment
- containerNames:
- container41
- container42
rules:
- multipleReplicasForDeployment
- namespace: kube-system
containerNames:
- container51
- container52
rules:
- multipleReplicasForDeployment
- controllerNames:
- controller6
containerNames:
- container61
- container62
rules:
- multipleReplicasForDeployment
- namespace: kube-system
controllerNames:
- controller7
containerNames:
- container71
- container72
rules:
- multipleReplicasForDeployment
- priorityClassNotSet
- namespace: polaris
`
func createMeta(namespace, name string) metav1.Object {
unst := unstructured.Unstructured{}
obj, err := meta.Accessor(&unst)
if err != nil {
panic(err)
}
obj.SetName(name)
obj.SetNamespace(namespace)
return obj
}
func TestNamespaceExemptionForSpecifiedRules(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("prometheus", ""), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("prometheus", "controller1"), "container11")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("prometheus", ""), "container11")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("prometheus", "controller1"), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("pullPolicyNotAlways", createMeta("prometheus", "controller1"), "")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", ""), "")
assert.True(t, actionable)
}
func TestNamespaceExemptionForAllRules(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("polaris", ""), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("polaris", "controller1"), "container11")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("polaris", ""), "container11")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("polaris", "controller1"), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("pullPolicyNotAlways", createMeta("polaris", "controller1"), "")
assert.False(t, actionable)
}
func TestControllerExemption(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller2"), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller2"), "container21")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("prometheus", "controller2"), "container21")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("prometheus", "controller2"), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller3"), "")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller3"), "")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller3"), "container31")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller4"), "")
assert.True(t, actionable)
}
func TestOnlyContainerExemption(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", ""), "container41")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", ""), "container42")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller4"), "container41")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", ""), "container41")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller4"), "container41")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", ""), "container51")
assert.True(t, actionable)
}
func TestNamespaceAndContainerExemption(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", ""), "container51")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("priorityClassNotSet", createMeta("kube-system", ""), "container51")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller5"), "container51")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller5"), "")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("insights-agent", ""), "container51")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", ""), "container51")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller5"), "container51")
assert.True(t, actionable)
}
func TestControllerAndContainerExemption(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller6"), "container61")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("priorityClassNotSet", createMeta("", "controller6"), "container61")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller6"), "container61")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller6"), "")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller7"), "container61")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", ""), "container61")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", ""), "container61")
assert.True(t, actionable)
}
func TestContainerExemption(t *testing.T) {
parsedConf, err := Parse([]byte(confContainerTest))
assert.NoError(t, err)
actionable := parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", ""), "container71")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", ""), "container71")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("", "controller7"), "container71")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller7"), "")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller7"), "container71")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("insights-agent", "controller7"), "container71")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller6"), "container71")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("multipleReplicasForDeployment", createMeta("kube-system", "controller7"), "container61")
assert.True(t, actionable)
actionable = parsedConf.IsActionable("priorityClassNotSet", createMeta("kube-system", "controller7"), "container71")
assert.False(t, actionable)
actionable = parsedConf.IsActionable("pullPolicyNotAlways", createMeta("kube-system", "controller8"), "container71")
assert.True(t, actionable)
}