146 lines
3.7 KiB
Go
146 lines
3.7 KiB
Go
// Copyright 2019 the Kilo authors
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package k8s
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import (
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"net"
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"testing"
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"github.com/kylelemons/godebug/pretty"
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"k8s.io/api/core/v1"
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"github.com/squat/kilo/pkg/mesh"
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)
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func TestTranslateNode(t *testing.T) {
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for _, tc := range []struct {
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name string
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annotations map[string]string
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labels map[string]string
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out *mesh.Node
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subnet string
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}{
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{
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name: "empty",
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annotations: nil,
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out: &mesh.Node{},
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},
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{
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name: "invalid ip",
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annotations: map[string]string{
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externalIPAnnotationKey: "10.0.0.1",
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internalIPAnnotationKey: "10.0.0.1",
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},
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out: &mesh.Node{},
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},
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{
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name: "valid ip",
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annotations: map[string]string{
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externalIPAnnotationKey: "10.0.0.1/24",
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internalIPAnnotationKey: "10.0.0.2/32",
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},
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out: &mesh.Node{
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ExternalIP: &net.IPNet{IP: net.ParseIP("10.0.0.1"), Mask: net.CIDRMask(24, 32)},
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InternalIP: &net.IPNet{IP: net.ParseIP("10.0.0.2"), Mask: net.CIDRMask(32, 32)},
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},
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},
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{
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name: "invalid subnet",
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annotations: map[string]string{},
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out: &mesh.Node{},
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subnet: "foo",
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},
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{
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name: "normalize subnet",
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annotations: map[string]string{},
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out: &mesh.Node{
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Subnet: &net.IPNet{IP: net.ParseIP("10.2.0.0"), Mask: net.CIDRMask(24, 32)},
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},
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subnet: "10.2.0.1/24",
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},
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{
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name: "valid subnet",
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annotations: map[string]string{},
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out: &mesh.Node{
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Subnet: &net.IPNet{IP: net.ParseIP("10.2.1.0"), Mask: net.CIDRMask(24, 32)},
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},
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subnet: "10.2.1.0/24",
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},
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{
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name: "region",
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labels: map[string]string{
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regionLabelKey: "a",
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},
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out: &mesh.Node{
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Location: "a",
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},
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},
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{
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name: "region override",
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annotations: map[string]string{
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locationAnnotationKey: "b",
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},
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labels: map[string]string{
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regionLabelKey: "a",
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},
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out: &mesh.Node{
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Location: "b",
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},
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},
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{
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name: "external IP override",
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annotations: map[string]string{
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externalIPAnnotationKey: "10.0.0.1/24",
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forceExternalIPAnnotationKey: "10.0.0.2/24",
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},
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out: &mesh.Node{
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ExternalIP: &net.IPNet{IP: net.ParseIP("10.0.0.2"), Mask: net.CIDRMask(24, 32)},
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},
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},
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{
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name: "complete",
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annotations: map[string]string{
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externalIPAnnotationKey: "10.0.0.1/24",
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forceExternalIPAnnotationKey: "10.0.0.2/24",
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internalIPAnnotationKey: "10.0.0.2/32",
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keyAnnotationKey: "foo",
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leaderAnnotationKey: "",
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locationAnnotationKey: "b",
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},
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labels: map[string]string{
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regionLabelKey: "a",
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},
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out: &mesh.Node{
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ExternalIP: &net.IPNet{IP: net.ParseIP("10.0.0.2"), Mask: net.CIDRMask(24, 32)},
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InternalIP: &net.IPNet{IP: net.ParseIP("10.0.0.2"), Mask: net.CIDRMask(32, 32)},
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Key: []byte("foo"),
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Leader: true,
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Location: "b",
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Subnet: &net.IPNet{IP: net.ParseIP("10.2.1.0"), Mask: net.CIDRMask(24, 32)},
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},
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subnet: "10.2.1.0/24",
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},
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} {
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n := &v1.Node{}
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n.ObjectMeta.Annotations = tc.annotations
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n.ObjectMeta.Labels = tc.labels
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n.Spec.PodCIDR = tc.subnet
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node := translateNode(n)
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if diff := pretty.Compare(node, tc.out); diff != "" {
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t.Errorf("test case %q: got diff: %v", tc.name, diff)
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}
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}
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}
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