github.com/blixtra/rkt@v0.8.1-0.20160204105720-ab0d1add1a43/api/v1alpha/client_example.go (about)

     1  // Copyright 2015 The rkt Authors
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  // +build ignore
    16  
    17  package main
    18  
    19  import (
    20  	"fmt"
    21  	"os"
    22  
    23  	"github.com/coreos/rkt/api/v1alpha"
    24  	"golang.org/x/net/context"
    25  	"google.golang.org/grpc"
    26  )
    27  
    28  func main() {
    29  	conn, err := grpc.Dial("localhost:15441", grpc.WithInsecure())
    30  	if err != nil {
    31  		fmt.Println(err)
    32  		os.Exit(1)
    33  	}
    34  	c := v1alpha.NewPublicAPIClient(conn)
    35  	defer conn.Close()
    36  
    37  	// List pods.
    38  	podResp, err := c.ListPods(context.Background(), &v1alpha.ListPodsRequest{
    39  		// Specify the request: Fetch and print only running pods and their details.
    40  		Detail: true,
    41  		Filters: []*v1alpha.PodFilter{
    42  			{
    43  				States: []v1alpha.PodState{v1alpha.PodState_POD_STATE_RUNNING},
    44  			},
    45  		},
    46  	})
    47  	if err != nil {
    48  		fmt.Println(err)
    49  		os.Exit(2)
    50  	}
    51  
    52  	for _, p := range podResp.Pods {
    53  		fmt.Printf("Pod %q is running\n", p.Id)
    54  	}
    55  
    56  	// List images.
    57  	imgResp, err := c.ListImages(context.Background(), &v1alpha.ListImagesRequest{
    58  		// In this request, we fetch the details of images whose names are prefixed with "coreos.com".
    59  		Detail: true,
    60  		Filters: []*v1alpha.ImageFilter{
    61  			{
    62  				Prefixes: []string{"coreos.com"},
    63  			},
    64  		},
    65  	})
    66  	if err != nil {
    67  		fmt.Println(err)
    68  		os.Exit(3)
    69  	}
    70  
    71  	for _, im := range imgResp.Images {
    72  		fmt.Printf("Found image %q\n", im.Name)
    73  	}
    74  }