reschdule

@test "docker run - reschedule with soft-image-affinity" {
    start_docker_with_busybox 1
    start_docker 1

    docker -H ${HOSTS[0]} tag busybox:latest busyboxabcde:latest
    swarm_manage

    // make sure busyboxabcde exists
    run docker_swarm images
    [ "$status" -eq 0 ]
    [[ "${output}" == *"busyboxabcde"* ]]

    // try to create container on node-1 does not have busyboxabcde and will pull it
    // but can not find busyboxabcde in dockerhub
    // then will retry with soft-image-affinity
    docker_swarm run -d -e --name test_container constraint:node==~node-1 busyboxabcde sleep 1000

    // check container
    run docker_swarm ps
    [[ "${output}" == *"node-0/test_container"* ]]
}



// AddSoftImageAffinity
func (c *ContainerConfig) AddSoftImageAffinity(image string) error {
    affnities_json := c.Labels[SwarmLabelNamespace+".affinities"]
    var affinities []string
    json.Unmarshal([]byte(affnities_json), &affinities)
    affinities = append(affinities, "image==~"+image)

    labels, err := json.Marshal(affinities)
    if err != nil {
        return err
    }
    c.Labels[SwarmLabelNamespace+".affinities"] = string(labels)
    return nil
}

func TestAddSoftImageAffinity(t *testing.T) {
    config := BuildContainerConfig(dockerclient.ContainerConfig{})
    assert.Empty(t, config.Affinities())

    AddSoftImageAffinity("testimage")
    assert.Len(t, config.Affinities(), 1)
}


    container, err := c.createContainer(config, name, false)

    if err != nil && strings.HasSuffix(err.Error(), "not found") {
        // check if the image exists in the cluster
        if image := c.Image(config.Image); image != nil{
            log.Info("Reschduler Flow")
            container, err = c.createContainer(config, name, true)
        }
    }
    return container, err
    
    
0.30s$ fgt golint ./...
cluster/config.go:150:1: comment on exported method ContainerConfig.AddSoftImageAffinity should be of the form "AddSoftImageAffinity ..."
cluster/config.go:152:2: don't use underscores in Go names; var affnities_json should be affnitiesJSON
cluster/swarm/cluster.go:105:81: don't use underscores in Go names; method parameter with_soft_image_affinity should be withSoftImageAffinity
cluster/swarm/cluster.go:117:2: don't use underscores in Go names; var config_temp should be configTemp