124 lines
3.4 KiB
Go
124 lines
3.4 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors All rights reserved.
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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 localkube
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import (
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"io/ioutil"
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"net"
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"os"
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"path/filepath"
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"testing"
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"k8s.io/minikube/pkg/minikube/tests"
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)
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var testIPs = []net.IP{net.ParseIP("1.2.3.4")}
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func TestGenerateCerts(t *testing.T) {
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tempDir := tests.MakeTempDir()
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defer os.RemoveAll(tempDir)
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os.Mkdir(filepath.Join(tempDir, "certs"), 0777)
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_, ipRange, _ := net.ParseCIDR("10.0.0.0/24")
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lk := LocalkubeServer{
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LocalkubeDirectory: tempDir,
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ServiceClusterIPRange: *ipRange,
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}
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if err := lk.GenerateCerts(); err != nil {
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t.Fatalf("Unexpected error generating certs: %s", err)
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}
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for _, f := range []string{"apiserver.crt", "apiserver.key"} {
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p := filepath.Join(tempDir, "certs", f)
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_, err := os.Stat(p)
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if os.IsNotExist(err) {
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t.Fatalf("Certificate not created: %s", p)
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}
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}
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_, err := lk.loadCert(filepath.Join(tempDir, "certs", "apiserver.crt"))
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if err != nil {
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t.Fatalf("Error parsing cert: %s", err)
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}
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}
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func TestShouldGenerateCertsNoFiles(t *testing.T) {
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lk := LocalkubeServer{LocalkubeDirectory: "baddir"}
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if !lk.shouldGenerateCerts(testIPs) {
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t.Fatalf("No certs exist, we should generate.")
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}
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}
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func TestShouldGenerateCertsOneFile(t *testing.T) {
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tempDir := tests.MakeTempDir()
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defer os.RemoveAll(tempDir)
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os.Mkdir(filepath.Join(tempDir, "certs"), 0777)
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ioutil.WriteFile(filepath.Join(tempDir, "certs", "apiserver.crt"), []byte(""), 0644)
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lk := LocalkubeServer{LocalkubeDirectory: tempDir}
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if !lk.shouldGenerateCerts(testIPs) {
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t.Fatalf("Not all certs exist, we should generate.")
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}
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}
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func TestShouldGenerateCertsBadFiles(t *testing.T) {
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tempDir := tests.MakeTempDir()
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defer os.RemoveAll(tempDir)
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os.Mkdir(filepath.Join(tempDir, "certs"), 0777)
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for _, f := range []string{"apiserver.crt", "apiserver.key"} {
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ioutil.WriteFile(filepath.Join(tempDir, "certs", f), []byte(""), 0644)
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}
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lk := LocalkubeServer{LocalkubeDirectory: tempDir}
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if !lk.shouldGenerateCerts(testIPs) {
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t.Fatalf("Certs are badly formatted, we should generate.")
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}
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}
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func TestShouldGenerateCertsMismatchedIP(t *testing.T) {
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tempDir := tests.MakeTempDir()
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defer os.RemoveAll(tempDir)
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os.Mkdir(filepath.Join(tempDir, "certs"), 0777)
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_, ipRange, _ := net.ParseCIDR("10.0.0.0/24")
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lk := LocalkubeServer{
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LocalkubeDirectory: tempDir,
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ServiceClusterIPRange: *ipRange,
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}
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lk.GenerateCerts()
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if !lk.shouldGenerateCerts([]net.IP{net.ParseIP("4.3.2.1")}) {
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t.Fatalf("IPs don't match, we should generate.")
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}
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}
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func TestShouldNotGenerateCerts(t *testing.T) {
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tempDir := tests.MakeTempDir()
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defer os.RemoveAll(tempDir)
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os.Mkdir(filepath.Join(tempDir, "certs"), 0777)
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_, ipRange, _ := net.ParseCIDR("10.0.0.0/24")
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lk := LocalkubeServer{
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LocalkubeDirectory: tempDir,
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ServiceClusterIPRange: *ipRange,
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}
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lk.GenerateCerts()
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ips, _ := lk.getAllIPs()
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if lk.shouldGenerateCerts(ips) {
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t.Fatalf("IPs match, we should not generate.")
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}
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}
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