Example #1
0
func TestImagesList(t *testing.T) {
	client, err := clients.NewComputeV2Client()
	if err != nil {
		t.Fatalf("Unable to create a compute: client: %v", err)
	}

	allPages, err := images.ListDetail(client, nil).AllPages()
	if err != nil {
		t.Fatalf("Unable to retrieve images: %v", err)
	}

	allImages, err := images.ExtractImages(allPages)
	if err != nil {
		t.Fatalf("Unable to extract image results: %v", err)
	}

	for _, image := range allImages {
		PrintImage(t, image)
	}
}
Example #2
0
// spawn achieves the aims of Spawn()
func (p *openstackp) spawn(resources *Resources, osPrefix string, flavorID string, externalIP bool, postCreationScript []byte) (serverID string, serverIP string, adminPass string, err error) {
	// get available images, pick the one that matches desired OS
	// *** rackspace API lets you filter on eg. os_distro=ubuntu and os_version=12.04; can we do the same here?
	pager := images.ListDetail(p.computeClient, images.ListOpts{Status: "ACTIVE"})
	var imageID string
	err = pager.EachPage(func(page pagination.Page) (bool, error) {
		imageList, err := images.ExtractImages(page)
		if err != nil {
			return false, err
		}

		for _, i := range imageList {
			if i.Progress == 100 && strings.HasPrefix(i.Name, osPrefix) {
				imageID = i.ID
				return false, nil
			}
		}

		return true, nil
	})
	if err != nil {
		return
	}

	// create the server with a unique name
	server, err := servers.Create(p.computeClient, keypairs.CreateOptsExt{
		CreateOptsBuilder: servers.CreateOpts{
			Name:           uniqueResourceName(resources.ResourceName),
			FlavorRef:      flavorID,
			ImageRef:       imageID,
			SecurityGroups: []string{p.securityGroup},
			Networks:       []servers.Network{{UUID: p.networkUUID}},
			UserData:       postCreationScript,
			// Metadata map[string]string
		},
		KeyName: resources.ResourceName,
	}).Extract()
	if err != nil {
		return
	}

	// wait for it to come up; servers.WaitForStatus has a timeout, but it
	// doesn't always work, so we roll our own
	waitForActive := make(chan error)
	go func() {
		timeout := time.After(60 * time.Second)
		ticker := time.NewTicker(1 * time.Second)
		for {
			select {
			case <-ticker.C:
				current, err := servers.Get(p.computeClient, server.ID).Extract()
				if err != nil {
					ticker.Stop()
					waitForActive <- err
					return
				}
				if current.Status == "ACTIVE" {
					ticker.Stop()
					waitForActive <- nil
					return
				}
				if current.Status == "ERROR" {
					ticker.Stop()
					waitForActive <- errors.New("there was an error in bringing up the new server")
					return
				}
				continue
			case <-timeout:
				ticker.Stop()
				waitForActive <- errors.New("timed out waiting for server to become ACTIVE")
				return
			}
		}
	}()
	err = <-waitForActive
	if err != nil {
		// since we're going to return an error that we failed to spawn, try and
		// delete the bad server in case it is still there
		servers.Delete(p.computeClient, server.ID)
		return
	}
	// *** NB. it can still take some number of seconds before I can ssh to it

	serverID = server.ID
	adminPass = server.AdminPass

	// get the servers IP; if we error for any reason we'll delete the server
	// first, because without an IP it's useless

	if externalIP {
		// give it a floating ip
		var floatingIP string
		floatingIP, err = p.getAvailableFloatingIP()
		if err != nil {
			p.destroyServer(serverID)
			return
		}

		// associate floating ip with server *** we have a race condition
		// between finding/creating free floating IP above, and using it here
		err = floatingips.AssociateInstance(p.computeClient, serverID, floatingips.AssociateOpts{
			FloatingIP: floatingIP,
		}).ExtractErr()
		if err != nil {
			p.destroyServer(serverID)
			return
		}

		serverIP = floatingIP
	} else {
		// find its auto-assigned internal ip *** there must be a better way of
		// doing this...
		allNetworkAddressPages, serr := servers.ListAddressesByNetwork(p.computeClient, serverID, p.networkName).AllPages()
		if serr != nil {
			p.destroyServer(serverID)
			err = serr
			return
		}
		allNetworkAddresses, serr := servers.ExtractNetworkAddresses(allNetworkAddressPages)
		if serr != nil {
			p.destroyServer(serverID)
			err = serr
			return
		}
		for _, address := range allNetworkAddresses {
			if address.Version == 4 && strings.HasPrefix(address.Address, "192.168") {
				serverIP = address.Address
				break
			}
		}
	}

	return
}
Example #3
0
func TestListImages(t *testing.T) {
	th.SetupHTTP()
	defer th.TeardownHTTP()

	th.Mux.HandleFunc("/images/detail", func(w http.ResponseWriter, r *http.Request) {
		th.TestMethod(t, r, "GET")
		th.TestHeader(t, r, "X-Auth-Token", fake.TokenID)

		w.Header().Add("Content-Type", "application/json")
		r.ParseForm()
		marker := r.Form.Get("marker")
		switch marker {
		case "":
			fmt.Fprintf(w, `
				{
					"images": [
						{
							"status": "ACTIVE",
							"updated": "2014-09-23T12:54:56Z",
							"id": "f3e4a95d-1f4f-4989-97ce-f3a1fb8c04d7",
							"OS-EXT-IMG-SIZE:size": 476704768,
							"name": "F17-x86_64-cfntools",
							"created": "2014-09-23T12:54:52Z",
							"minDisk": 0,
							"progress": 100,
							"minRam": 0
						},
						{
							"status": "ACTIVE",
							"updated": "2014-09-23T12:51:43Z",
							"id": "f90f6034-2570-4974-8351-6b49732ef2eb",
							"OS-EXT-IMG-SIZE:size": 13167616,
							"name": "cirros-0.3.2-x86_64-disk",
							"created": "2014-09-23T12:51:42Z",
							"minDisk": 0,
							"progress": 100,
							"minRam": 0
						}
					]
				}
			`)
		case "2":
			fmt.Fprintf(w, `{ "images": [] }`)
		default:
			t.Fatalf("Unexpected marker: [%s]", marker)
		}
	})

	pages := 0
	options := &images.ListOpts{Limit: 2}
	err := images.ListDetail(fake.ServiceClient(), options).EachPage(func(page pagination.Page) (bool, error) {
		pages++

		actual, err := images.ExtractImages(page)
		if err != nil {
			return false, err
		}

		expected := []images.Image{
			{
				ID:       "f3e4a95d-1f4f-4989-97ce-f3a1fb8c04d7",
				Name:     "F17-x86_64-cfntools",
				Created:  "2014-09-23T12:54:52Z",
				Updated:  "2014-09-23T12:54:56Z",
				MinDisk:  0,
				MinRAM:   0,
				Progress: 100,
				Status:   "ACTIVE",
			},
			{
				ID:       "f90f6034-2570-4974-8351-6b49732ef2eb",
				Name:     "cirros-0.3.2-x86_64-disk",
				Created:  "2014-09-23T12:51:42Z",
				Updated:  "2014-09-23T12:51:43Z",
				MinDisk:  0,
				MinRAM:   0,
				Progress: 100,
				Status:   "ACTIVE",
			},
		}

		if !reflect.DeepEqual(expected, actual) {
			t.Errorf("Unexpected page contents: expected %#v, got %#v", expected, actual)
		}

		return false, nil
	})

	if err != nil {
		t.Fatalf("EachPage error: %v", err)
	}
	if pages != 1 {
		t.Errorf("Expected one page, got %d", pages)
	}
}