mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 19:58:17 +00:00
704 lines
17 KiB
Go
704 lines
17 KiB
Go
/*
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Copyright 2015 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package v1
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import (
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"reflect"
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"testing"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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)
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func TestAddToNodeAddresses(t *testing.T) {
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testCases := []struct {
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existing []NodeAddress
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toAdd []NodeAddress
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expected []NodeAddress
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}{
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{
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existing: []NodeAddress{},
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toAdd: []NodeAddress{},
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expected: []NodeAddress{},
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},
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{
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existing: []NodeAddress{},
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toAdd: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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{Type: NodeHostName, Address: "localhost"},
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},
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expected: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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{Type: NodeHostName, Address: "localhost"},
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},
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},
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{
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existing: []NodeAddress{},
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toAdd: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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},
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expected: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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},
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},
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{
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existing: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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{Type: NodeInternalIP, Address: "10.1.1.1"},
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},
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toAdd: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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{Type: NodeHostName, Address: "localhost"},
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},
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expected: []NodeAddress{
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{Type: NodeExternalIP, Address: "1.1.1.1"},
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{Type: NodeInternalIP, Address: "10.1.1.1"},
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{Type: NodeHostName, Address: "localhost"},
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},
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},
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}
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for i, tc := range testCases {
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AddToNodeAddresses(&tc.existing, tc.toAdd...)
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if !apiequality.Semantic.DeepEqual(tc.expected, tc.existing) {
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t.Errorf("case[%d], expected: %v, got: %v", i, tc.expected, tc.existing)
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}
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}
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}
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func TestGetAccessModesFromString(t *testing.T) {
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modes := GetAccessModesFromString("ROX")
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if !containsAccessMode(modes, ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", ReadOnlyMany, modes)
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}
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modes = GetAccessModesFromString("ROX,RWX")
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if !containsAccessMode(modes, ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", ReadOnlyMany, modes)
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}
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if !containsAccessMode(modes, ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", ReadWriteMany, modes)
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}
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modes = GetAccessModesFromString("RWO,ROX,RWX")
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if !containsAccessMode(modes, ReadOnlyMany) {
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t.Errorf("Expected mode %s, but got %+v", ReadOnlyMany, modes)
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}
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if !containsAccessMode(modes, ReadWriteMany) {
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t.Errorf("Expected mode %s, but got %+v", ReadWriteMany, modes)
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}
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}
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func TestRemoveDuplicateAccessModes(t *testing.T) {
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modes := []PersistentVolumeAccessMode{
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ReadWriteOnce, ReadOnlyMany, ReadOnlyMany, ReadOnlyMany,
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}
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modes = removeDuplicateAccessModes(modes)
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if len(modes) != 2 {
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t.Errorf("Expected 2 distinct modes in set but found %v", len(modes))
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}
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}
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func TestNodeSelectorRequirementsAsSelector(t *testing.T) {
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matchExpressions := []NodeSelectorRequirement{{
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Key: "foo",
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Operator: NodeSelectorOpIn,
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Values: []string{"bar", "baz"},
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}}
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mustParse := func(s string) labels.Selector {
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out, e := labels.Parse(s)
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if e != nil {
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panic(e)
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}
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return out
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}
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tc := []struct {
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in []NodeSelectorRequirement
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out labels.Selector
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expectErr bool
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}{
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{in: nil, out: labels.Nothing()},
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{in: []NodeSelectorRequirement{}, out: labels.Nothing()},
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{
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in: matchExpressions,
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out: mustParse("foo in (baz,bar)"),
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},
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{
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in: []NodeSelectorRequirement{{
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Key: "foo",
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Operator: NodeSelectorOpExists,
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Values: []string{"bar", "baz"},
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}},
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expectErr: true,
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},
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{
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in: []NodeSelectorRequirement{{
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Key: "foo",
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Operator: NodeSelectorOpGt,
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Values: []string{"1"},
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}},
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out: mustParse("foo>1"),
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},
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{
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in: []NodeSelectorRequirement{{
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Key: "bar",
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Operator: NodeSelectorOpLt,
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Values: []string{"7"},
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}},
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out: mustParse("bar<7"),
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},
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}
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for i, tc := range tc {
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out, err := NodeSelectorRequirementsAsSelector(tc.in)
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if err == nil && tc.expectErr {
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t.Errorf("[%v]expected error but got none.", i)
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}
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if err != nil && !tc.expectErr {
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t.Errorf("[%v]did not expect error but got: %v", i, err)
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}
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if !reflect.DeepEqual(out, tc.out) {
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t.Errorf("[%v]expected:\n\t%+v\nbut got:\n\t%+v", i, tc.out, out)
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}
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}
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}
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func TestTaintToString(t *testing.T) {
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testCases := []struct {
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taint *Taint
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expectedString string
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}{
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{
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taint: &Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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expectedString: "foo=bar:NoSchedule",
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},
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{
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taint: &Taint{
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Key: "foo",
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Effect: TaintEffectNoSchedule,
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},
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expectedString: "foo:NoSchedule",
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},
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}
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for i, tc := range testCases {
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if tc.expectedString != tc.taint.ToString() {
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t.Errorf("[%v] expected taint %v converted to %s, got %s", i, tc.taint, tc.expectedString, tc.taint.ToString())
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}
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}
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}
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func TestMatchTaint(t *testing.T) {
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testCases := []struct {
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description string
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taint *Taint
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taintToMatch Taint
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expectMatch bool
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}{
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{
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description: "two taints with the same key,value,effect should match",
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taint: &Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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taintToMatch: Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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expectMatch: true,
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},
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{
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description: "two taints with the same key,effect but different value should match",
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taint: &Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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taintToMatch: Taint{
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Key: "foo",
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Value: "different-value",
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Effect: TaintEffectNoSchedule,
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},
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expectMatch: true,
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},
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{
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description: "two taints with the different key cannot match",
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taint: &Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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taintToMatch: Taint{
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Key: "different-key",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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expectMatch: false,
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},
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{
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description: "two taints with the different effect cannot match",
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taint: &Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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taintToMatch: Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectPreferNoSchedule,
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},
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expectMatch: false,
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},
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}
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for _, tc := range testCases {
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if tc.expectMatch != tc.taint.MatchTaint(&tc.taintToMatch) {
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t.Errorf("[%s] expect taint %s match taint %s", tc.description, tc.taint.ToString(), tc.taintToMatch.ToString())
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}
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}
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}
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func TestTolerationToleratesTaint(t *testing.T) {
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testCases := []struct {
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description string
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toleration Toleration
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taint Taint
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expectTolerated bool
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}{
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{
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description: "toleration and taint have the same key and effect, and operator is Exists, and taint has no value, expect tolerated",
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toleration: Toleration{
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Key: "foo",
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Operator: TolerationOpExists,
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Effect: TaintEffectNoSchedule,
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},
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taint: Taint{
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Key: "foo",
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Effect: TaintEffectNoSchedule,
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},
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expectTolerated: true,
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},
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{
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description: "toleration and taint have the same key and effect, and operator is Exists, and taint has some value, expect tolerated",
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toleration: Toleration{
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Key: "foo",
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Operator: TolerationOpExists,
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Effect: TaintEffectNoSchedule,
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},
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taint: Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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expectTolerated: true,
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},
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{
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description: "toleration and taint have the same effect, toleration has empty key and operator is Exists, means match all taints, expect tolerated",
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toleration: Toleration{
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Key: "",
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Operator: TolerationOpExists,
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Effect: TaintEffectNoSchedule,
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},
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taint: Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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expectTolerated: true,
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},
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{
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description: "toleration and taint have the same key, effect and value, and operator is Equal, expect tolerated",
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toleration: Toleration{
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Key: "foo",
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Operator: TolerationOpEqual,
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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taint: Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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expectTolerated: true,
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},
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{
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description: "toleration and taint have the same key and effect, but different values, and operator is Equal, expect not tolerated",
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toleration: Toleration{
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Key: "foo",
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Operator: TolerationOpEqual,
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Value: "value1",
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Effect: TaintEffectNoSchedule,
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},
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taint: Taint{
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Key: "foo",
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Value: "value2",
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Effect: TaintEffectNoSchedule,
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},
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expectTolerated: false,
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},
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{
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description: "toleration and taint have the same key and value, but different effects, and operator is Equal, expect not tolerated",
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toleration: Toleration{
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Key: "foo",
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Operator: TolerationOpEqual,
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Value: "bar",
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Effect: TaintEffectNoSchedule,
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},
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taint: Taint{
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Key: "foo",
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Value: "bar",
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Effect: TaintEffectNoExecute,
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},
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expectTolerated: false,
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},
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}
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for _, tc := range testCases {
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if tolerated := tc.toleration.ToleratesTaint(&tc.taint); tc.expectTolerated != tolerated {
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t.Errorf("[%s] expect %v, got %v: toleration %+v, taint %s", tc.description, tc.expectTolerated, tolerated, tc.toleration, tc.taint.ToString())
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}
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}
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}
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func TestTolerationsTolerateTaintsWithFilter(t *testing.T) {
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testCases := []struct {
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description string
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tolerations []Toleration
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taints []Taint
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applyFilter taintsFilterFunc
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expectTolerated bool
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}{
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{
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description: "empty tolerations tolerate empty taints",
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tolerations: []Toleration{},
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taints: []Taint{},
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applyFilter: func(t *Taint) bool { return true },
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expectTolerated: true,
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},
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{
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description: "non-empty tolerations tolerate empty taints",
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tolerations: []Toleration{
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{
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Key: "foo",
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Operator: "Exists",
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Effect: TaintEffectNoSchedule,
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},
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},
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taints: []Taint{},
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applyFilter: func(t *Taint) bool { return true },
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expectTolerated: true,
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},
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{
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description: "tolerations match all taints, expect tolerated",
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tolerations: []Toleration{
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{
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Key: "foo",
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Operator: "Exists",
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Effect: TaintEffectNoSchedule,
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},
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},
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taints: []Taint{
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{
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Key: "foo",
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Effect: TaintEffectNoSchedule,
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},
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},
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applyFilter: func(t *Taint) bool { return true },
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expectTolerated: true,
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},
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{
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description: "tolerations don't match taints, but no taints apply to the filter, expect tolerated",
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tolerations: []Toleration{
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{
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Key: "foo",
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Operator: "Exists",
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Effect: TaintEffectNoSchedule,
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},
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},
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taints: []Taint{
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{
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Key: "bar",
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Effect: TaintEffectNoSchedule,
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},
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},
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applyFilter: func(t *Taint) bool { return false },
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expectTolerated: true,
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},
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{
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description: "no filterFunc indicated, means all taints apply to the filter, tolerations don't match taints, expect untolerated",
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tolerations: []Toleration{
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{
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Key: "foo",
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Operator: "Exists",
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Effect: TaintEffectNoSchedule,
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},
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},
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taints: []Taint{
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{
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Key: "bar",
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Effect: TaintEffectNoSchedule,
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},
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},
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applyFilter: nil,
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expectTolerated: false,
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},
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{
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description: "tolerations match taints, expect tolerated",
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tolerations: []Toleration{
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{
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Key: "foo",
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Operator: "Exists",
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Effect: TaintEffectNoExecute,
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},
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},
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taints: []Taint{
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{
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Key: "foo",
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Effect: TaintEffectNoExecute,
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},
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{
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Key: "bar",
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Effect: TaintEffectNoSchedule,
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},
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},
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applyFilter: func(t *Taint) bool { return t.Effect == TaintEffectNoExecute },
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expectTolerated: true,
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},
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}
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for _, tc := range testCases {
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if tc.expectTolerated != TolerationsTolerateTaintsWithFilter(tc.tolerations, tc.taints, tc.applyFilter) {
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filteredTaints := []Taint{}
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for _, taint := range tc.taints {
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if tc.applyFilter != nil && !tc.applyFilter(&taint) {
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continue
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}
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filteredTaints = append(filteredTaints, taint)
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}
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t.Errorf("[%s] expect tolerations %+v tolerate filtered taints %+v in taints %+v", tc.description, tc.tolerations, filteredTaints, tc.taints)
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}
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}
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}
|
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|
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func TestGetAvoidPodsFromNode(t *testing.T) {
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controllerFlag := true
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testCases := []struct {
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node *Node
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expectValue AvoidPods
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expectErr bool
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}{
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{
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node: &Node{},
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expectValue: AvoidPods{},
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expectErr: false,
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},
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{
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node: &Node{
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ObjectMeta: metav1.ObjectMeta{
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Annotations: map[string]string{
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PreferAvoidPodsAnnotationKey: `
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{
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"preferAvoidPods": [
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{
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"podSignature": {
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"podController": {
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"apiVersion": "v1",
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"kind": "ReplicationController",
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"name": "foo",
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"uid": "abcdef123456",
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"controller": true
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}
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},
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"reason": "some reason",
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"message": "some message"
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}
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]
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}`,
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},
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},
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},
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expectValue: AvoidPods{
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PreferAvoidPods: []PreferAvoidPodsEntry{
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{
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PodSignature: PodSignature{
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PodController: &metav1.OwnerReference{
|
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APIVersion: "v1",
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Kind: "ReplicationController",
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Name: "foo",
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UID: "abcdef123456",
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Controller: &controllerFlag,
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},
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},
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Reason: "some reason",
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Message: "some message",
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},
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},
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},
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expectErr: false,
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},
|
|
{
|
|
node: &Node{
|
|
// Missing end symbol of "podController" and "podSignature"
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Annotations: map[string]string{
|
|
PreferAvoidPodsAnnotationKey: `
|
|
{
|
|
"preferAvoidPods": [
|
|
{
|
|
"podSignature": {
|
|
"podController": {
|
|
"kind": "ReplicationController",
|
|
"apiVersion": "v1"
|
|
"reason": "some reason",
|
|
"message": "some message"
|
|
}
|
|
]
|
|
}`,
|
|
},
|
|
},
|
|
},
|
|
expectValue: AvoidPods{},
|
|
expectErr: true,
|
|
},
|
|
}
|
|
|
|
for i, tc := range testCases {
|
|
v, err := GetAvoidPodsFromNodeAnnotations(tc.node.Annotations)
|
|
if err == nil && tc.expectErr {
|
|
t.Errorf("[%v]expected error but got none.", i)
|
|
}
|
|
if err != nil && !tc.expectErr {
|
|
t.Errorf("[%v]did not expect error but got: %v", i, err)
|
|
}
|
|
if !reflect.DeepEqual(tc.expectValue, v) {
|
|
t.Errorf("[%v]expect value %v but got %v with %v", i, tc.expectValue, v, v.PreferAvoidPods[0].PodSignature.PodController.Controller)
|
|
}
|
|
}
|
|
}
|
|
|
|
func TestSysctlsFromPodAnnotation(t *testing.T) {
|
|
type Test struct {
|
|
annotation string
|
|
expectValue []Sysctl
|
|
expectErr bool
|
|
}
|
|
for i, test := range []Test{
|
|
{
|
|
annotation: "",
|
|
expectValue: nil,
|
|
},
|
|
{
|
|
annotation: "foo.bar",
|
|
expectErr: true,
|
|
},
|
|
{
|
|
annotation: "=123",
|
|
expectErr: true,
|
|
},
|
|
{
|
|
annotation: "foo.bar=",
|
|
expectValue: []Sysctl{{Name: "foo.bar", Value: ""}},
|
|
},
|
|
{
|
|
annotation: "foo.bar=42",
|
|
expectValue: []Sysctl{{Name: "foo.bar", Value: "42"}},
|
|
},
|
|
{
|
|
annotation: "foo.bar=42,",
|
|
expectErr: true,
|
|
},
|
|
{
|
|
annotation: "foo.bar=42,abc.def=1",
|
|
expectValue: []Sysctl{{Name: "foo.bar", Value: "42"}, {Name: "abc.def", Value: "1"}},
|
|
},
|
|
} {
|
|
sysctls, err := SysctlsFromPodAnnotation(test.annotation)
|
|
if test.expectErr && err == nil {
|
|
t.Errorf("[%v]expected error but got none", i)
|
|
} else if !test.expectErr && err != nil {
|
|
t.Errorf("[%v]did not expect error but got: %v", i, err)
|
|
} else if !reflect.DeepEqual(sysctls, test.expectValue) {
|
|
t.Errorf("[%v]expect value %v but got %v", i, test.expectValue, sysctls)
|
|
}
|
|
}
|
|
}
|
|
|
|
// TODO: remove when alpha support for affinity is removed
|
|
func TestGetAffinityFromPodAnnotations(t *testing.T) {
|
|
testCases := []struct {
|
|
pod *Pod
|
|
expectErr bool
|
|
}{
|
|
{
|
|
pod: &Pod{},
|
|
expectErr: false,
|
|
},
|
|
{
|
|
pod: &Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Annotations: map[string]string{
|
|
AffinityAnnotationKey: `
|
|
{"nodeAffinity": { "requiredDuringSchedulingIgnoredDuringExecution": {
|
|
"nodeSelectorTerms": [{
|
|
"matchExpressions": [{
|
|
"key": "foo",
|
|
"operator": "In",
|
|
"values": ["value1", "value2"]
|
|
}]
|
|
}]
|
|
}}}`,
|
|
},
|
|
},
|
|
},
|
|
expectErr: false,
|
|
},
|
|
{
|
|
pod: &Pod{
|
|
ObjectMeta: metav1.ObjectMeta{
|
|
Annotations: map[string]string{
|
|
AffinityAnnotationKey: `
|
|
{"nodeAffinity": { "requiredDuringSchedulingIgnoredDuringExecution": {
|
|
"nodeSelectorTerms": [{
|
|
"matchExpressions": [{
|
|
"key": "foo",
|
|
`,
|
|
},
|
|
},
|
|
},
|
|
expectErr: true,
|
|
},
|
|
}
|
|
|
|
for i, tc := range testCases {
|
|
_, err := GetAffinityFromPodAnnotations(tc.pod.Annotations)
|
|
if err == nil && tc.expectErr {
|
|
t.Errorf("[%v]expected error but got none.", i)
|
|
}
|
|
if err != nil && !tc.expectErr {
|
|
t.Errorf("[%v]did not expect error but got: %v", i, err)
|
|
}
|
|
}
|
|
}
|