main.go

Documentation: github.com/openshift/client-go/examples/build

     1  package main
     2  
     3  import (
     4  	"context"
     5  	"flag"
     6  	"fmt"
     7  	"os"
     8  	"path/filepath"
     9  
    10  	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
    11  	"k8s.io/client-go/tools/clientcmd"
    12  
    13  	v1 "github.com/openshift/api/build/v1"
    14  	buildv1 "github.com/openshift/client-go/build/clientset/versioned/typed/build/v1"
    15  )
    16  
    17  func main() {
    18  	err := start()
    19  	if err != nil {
    20  		fmt.Fprintf(os.Stderr, "error: %v", err)
    21  		os.Exit(1)
    22  	}
    23  }
    24  
    25  func start() error {
    26  	var kubeconfig *string
    27  	if home := homeDir(); home != "" {
    28  		kubeconfig = flag.String("kubeconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file")
    29  	} else {
    30  		kubeconfig = flag.String("kubeconfig", "", "absolute path to the kubeconfig file")
    31  	}
    32  	flag.Parse()
    33  
    34  	// use the current context in kubeconfig
    35  	config, err := clientcmd.BuildConfigFromFlags("", *kubeconfig)
    36  	if err != nil {
    37  		return err
    38  	}
    39  
    40  	buildV1Client, err := buildv1.NewForConfig(config)
    41  	if err != nil {
    42  		return err
    43  	}
    44  
    45  	namespace := "testproject"
    46  	// get all builds
    47  	builds, err := buildV1Client.Builds(namespace).List(context.TODO(), metav1.ListOptions{})
    48  	if err != nil {
    49  		return err
    50  	}
    51  	fmt.Printf("There are %d builds in project %s\n", len(builds.Items), namespace)
    52  	// List names of all builds
    53  	for i, build := range builds.Items {
    54  		fmt.Printf("index %d: Name of the build: %s", i, build.Name)
    55  	}
    56  
    57  	// get a specific build
    58  	build := "cakephp-ex-1"
    59  	myBuild, err := buildV1Client.Builds(namespace).Get(context.TODO(), build, metav1.GetOptions{})
    60  	if err != nil {
    61  		return err
    62  	}
    63  	fmt.Printf("Found build %s in namespace %s\n", build, namespace)
    64  	fmt.Printf("Raw printout of the build %+v\n", myBuild)
    65  	// get details of the build
    66  	fmt.Printf("name %s, start time %s, duration (in sec) %.0f, and phase %s\n",
    67  		myBuild.Name, myBuild.Status.StartTimestamp.String(),
    68  		myBuild.Status.Duration.Seconds(), myBuild.Status.Phase)
    69  
    70  	// trigger a build
    71  	buildConfig := "cakephp-ex"
    72  	myBuildConfig, err := buildV1Client.BuildConfigs(namespace).Get(context.TODO(), buildConfig, metav1.GetOptions{})
    73  	if err != nil {
    74  		return err
    75  	}
    76  	fmt.Printf("Found BuildConfig %s in namespace %s\n", myBuildConfig.Name, namespace)
    77  	buildRequest := v1.BuildRequest{}
    78  	buildRequest.Kind = "BuildRequest"
    79  	buildRequest.APIVersion = "build.openshift.io/v1"
    80  	objectMeta := metav1.ObjectMeta{}
    81  	objectMeta.Name = "cakephp-ex"
    82  	buildRequest.ObjectMeta = objectMeta
    83  	buildTriggerCause := v1.BuildTriggerCause{}
    84  	buildTriggerCause.Message = "Manually triggered"
    85  	buildRequest.TriggeredBy = []v1.BuildTriggerCause{buildTriggerCause}
    86  	myBuild, err = buildV1Client.BuildConfigs(namespace).Instantiate(context.TODO(), objectMeta.Name, &buildRequest, metav1.CreateOptions{})
    87  
    88  	if err != nil {
    89  		return err
    90  	}
    91  	fmt.Printf("Name of the triggered build %s\n", myBuild.Name)
    92  	return nil
    93  }
    94  
    95  func homeDir() string {
    96  	if h := os.Getenv("HOME"); h != "" {
    97  		return h
    98  	}
    99  	return os.Getenv("USERPROFILE") // windows
   100  }
   101
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