mirror of https://github.com/rancher/turtles.git
122 lines
3.3 KiB
Go
122 lines
3.3 KiB
Go
/*
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Copyright © 2023 - 2024 SUSE LLC
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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 framework
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import (
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"bytes"
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"context"
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"errors"
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"fmt"
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"os"
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"os/exec"
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"strings"
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. "github.com/onsi/gomega"
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"sigs.k8s.io/cluster-api/test/framework"
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capiexec "sigs.k8s.io/cluster-api/test/framework/exec"
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"sigs.k8s.io/controller-runtime/pkg/log"
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)
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// Apply wraps `kubectl apply ...` and prints the output so we can see what gets applied to the cluster.
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func Apply(ctx context.Context, p framework.ClusterProxy, resources []byte, args ...string) error {
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Expect(ctx).NotTo(BeNil(), "ctx is required for Apply")
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Expect(resources).NotTo(BeNil(), "resources is required for Apply")
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if err := KubectlApply(ctx, p.GetKubeconfigPath(), resources, args...); err != nil {
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var exitErr *exec.ExitError
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if errors.As(err, &exitErr) {
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return fmt.Errorf("%s: stderr: %s", err.Error(), exitErr.Stderr)
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}
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return err
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}
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return nil
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}
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// KubectlApply shells out to kubectl apply.
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//
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// TODO: Remove this usage of kubectl and replace with a function from apply.go using the controller-runtime client.
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func KubectlApply(ctx context.Context, kubeconfigPath string, resources []byte, args ...string) error {
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log := log.FromContext(ctx)
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aargs := append([]string{"apply", "--kubeconfig", kubeconfigPath, "-f", "-"}, args...)
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rbytes := bytes.NewReader(resources)
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applyCmd := capiexec.NewCommand(
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capiexec.WithCommand(kubectlPath()),
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capiexec.WithArgs(aargs...),
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capiexec.WithStdin(rbytes),
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)
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log.Info("Running kubectl", "command", strings.Join(aargs, " "))
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stdout, stderr, err := applyCmd.Run(ctx)
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if len(stderr) > 0 {
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log.Info("Stderr:", "stderr", string(stderr))
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}
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if len(stdout) > 0 {
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log.Info("Stdout:", "stdout", string(stdout))
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}
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if err != nil {
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if strings.Contains(string(stderr), "Error from server (AlreadyExists)") {
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log.Info("Ignoring AlreadyExists error")
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return nil
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}
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return err
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}
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return err
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}
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// CreateNamespace creates a namespace.
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func CreateNamespace(ctx context.Context, p framework.ClusterProxy, namespace string) error {
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log := log.FromContext(ctx)
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args := []string{"--kubeconfig", p.GetKubeconfigPath(), "create", "namespace", namespace}
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createCmd := capiexec.NewCommand(
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capiexec.WithCommand(kubectlPath()),
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capiexec.WithArgs(args...),
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)
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log.Info("Running kubectl", "command", strings.Join(args, " "))
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stdout, stderr, err := createCmd.Run(ctx)
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if len(stderr) > 0 {
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log.Info("Stderr:", "stderr", string(stderr))
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}
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if len(stdout) > 0 {
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log.Info("Stdout:", "stdout", string(stdout))
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}
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if err != nil {
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if strings.Contains(string(stderr), "Error from server (AlreadyExists)") {
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log.Info("Ignoring AlreadyExists error")
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return nil
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}
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return err
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}
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return err
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}
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func kubectlPath() string {
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if kubectlPath, ok := os.LookupEnv("CAPI_KUBECTL_PATH"); ok {
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return kubectlPath
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}
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return "kubectl"
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}
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