Exemplo n.º 1
0
func NewOpenStack(config io.Reader) (*OpenStack, error) {
	var cfg Config
	err := gcfg.ReadInto(&cfg, config)
	if err != nil {
		glog.Warning("Failed to parse openstack configure file: %v", err)
		return nil, err
	}

	provider, err := openstack.AuthenticatedClient(cfg.toAuthOptions())
	if err != nil {
		glog.Warning("Failed to auth openstack: %v", err)
		return nil, err
	}

	identity, err := openstack.NewIdentityV2(provider, gophercloud.EndpointOpts{
		Availability: gophercloud.AvailabilityAdmin,
	})
	if err != nil {
		glog.Warning("Failed to find identity endpoint")
		return nil, err
	}

	network, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
		Region: cfg.Global.Region,
	})
	if err != nil {
		glog.Warning("Failed to find neutron endpoint: %v", err)
		return nil, err
	}

	os := OpenStack{
		identity:   identity,
		network:    network,
		provider:   provider,
		region:     cfg.Global.Region,
		lbOpts:     cfg.LoadBalancer,
		pluginOpts: cfg.Plugin,
		ExtNetID:   cfg.Global.ExtNetID,
	}

	// init plugin
	if cfg.Plugin.PluginName != "" {
		integrationBriage := "br-int"
		if cfg.Plugin.IntegrationBridge != "" {
			integrationBriage = cfg.Plugin.IntegrationBridge
		}

		plugin, _ := plugins.GetNetworkPlugin(cfg.Plugin.PluginName)
		if plugin != nil {
			plugin.Init(integrationBriage)
			os.Plugin = plugin
		}
	}

	return &os, nil
}
Exemplo n.º 2
0
// NewNetworkV2Client returns a *ServiceClient for making calls to the
// OpenStack Networking v2 API. An error will be returned if authentication
// or client creation was not possible.
func NewNetworkV2Client() (*gophercloud.ServiceClient, error) {
	ao, err := openstack.AuthOptionsFromEnv()
	if err != nil {
		return nil, err
	}

	client, err := openstack.AuthenticatedClient(ao)
	if err != nil {
		return nil, err
	}

	return openstack.NewNetworkV2(client, gophercloud.EndpointOpts{
		Region: os.Getenv("OS_REGION_NAME"),
	})
}
Exemplo n.º 3
0
func NewNeutronMapper(g *graph.Graph, wsClient *shttp.WSAsyncClient, authURL, username, password, tenantName, regionName, domainName string, availability gophercloud.Availability) (*NeutronMapper, error) {
	mapper := &NeutronMapper{graph: g, wsClient: wsClient}

	opts := gophercloud.AuthOptions{
		IdentityEndpoint: authURL,
		Username:         username,
		Password:         password,
		TenantName:       tenantName,
		DomainName:       domainName,
		AllowReauth:      true,
	}

	provider, err := openstack.AuthenticatedClient(opts)
	if err != nil {
		return nil, err
	}

	client, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
		Name:         "neutron",
		Region:       regionName,
		Availability: availability,
	})
	if err != nil {
		return nil, err
	}
	mapper.client = client

	// Create a cache with a default expiration time of 5 minutes, and which
	// purges expired items every 30 seconds
	expire := config.GetConfig().GetInt("cache.expire")
	cleanup := config.GetConfig().GetInt("cache.cleanup")
	mapper.cache = cache.New(time.Duration(expire)*time.Second, time.Duration(cleanup)*time.Second)
	mapper.nodeUpdaterChan = make(chan graph.Identifier, 500)

	g.AddEventListener(mapper)

	return mapper, nil
}
Exemplo n.º 4
0
// initialize uses our required environment variables to authenticate with
// OpenStack and create some clients we will use in the other methods
func (p *openstackp) initialize() (err error) {
	// authenticate
	opts, err := openstack.AuthOptionsFromEnv()
	if err != nil {
		return
	}
	provider, err := openstack.AuthenticatedClient(opts)
	if err != nil {
		return
	}

	// make a compute client
	p.computeClient, err = openstack.NewComputeV2(provider, gophercloud.EndpointOpts{
		Region: os.Getenv("OS_REGION_NAME"),
	})
	if err != nil {
		return
	}

	// make a network client
	p.networkClient, err = openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
		//Name:   "neutron", //*** "services can have the same Type but a different Name, which is why [...] Name [is] sometimes needed... but how do I see the available names?
		Region: os.Getenv("OS_REGION_NAME"),
	})
	if err != nil {
		return
	}

	// we need to know the network pool name *** does this have to be a user
	// input/config option? Or can it be discovered?
	p.poolName = os.Getenv("OS_POOL_NAME") // I made this one up, so we'll default to nova
	if p.poolName == "" {
		p.poolName = "nova"
	}
	p.externalNetworkID, err = networks.IDFromName(p.networkClient, p.poolName)
	if err != nil {
		return
	}

	// get the details of all the possible server flavors
	p.fmap = make(map[string]Flavor)
	pager := flavors.ListDetail(p.computeClient, flavors.ListOpts{})
	err = pager.EachPage(func(page pagination.Page) (bool, error) {
		flavorList, err := flavors.ExtractFlavors(page)
		if err != nil {
			return false, err
		}

		for _, f := range flavorList {
			p.fmap[f.ID] = Flavor{
				ID:    f.ID,
				Name:  f.Name,
				Cores: f.VCPUs,
				RAM:   f.RAM,
				Disk:  f.Disk,
			}
		}
		return true, nil
	})

	return
}
Exemplo n.º 5
0
func (c *Config) networkingV2Client(region string) (*gophercloud.ServiceClient, error) {
	return openstack.NewNetworkV2(c.osClient, gophercloud.EndpointOpts{
		Region:       region,
		Availability: c.getEndpointType(),
	})
}
Exemplo n.º 6
0
func TestNeutron(t *testing.T) {
	authUrl := os.Getenv("OS_AUTH_URL")
	username := os.Getenv("OS_USERNAME")
	password := os.Getenv("OS_PASSWORD")
	tenantName := os.Getenv("OS_TENANT_NAME")
	regionName := os.Getenv("OS_REGION_NAME")

	opts := gophercloud.AuthOptions{
		IdentityEndpoint: authUrl,
		Username:         username,
		Password:         password,
		TenantName:       tenantName,
	}

	provider, err := openstack.AuthenticatedClient(opts)
	if err != nil {
		t.Fatal(err.Error())
	}

	client, err := openstack.NewNetworkV2(provider, gophercloud.EndpointOpts{
		Name:         "neutron",
		Region:       regionName,
		Availability: gophercloud.AvailabilityPublic,
	})
	if err != nil {
		t.Fatalf("Failed to create neutron client: %s", err.Error())
	}

	netResult := networks.Create(client, networks.CreateOpts{Name: "skydive-test-network"})
	if netResult.Err != nil {
		t.Fatalf("Failed to create neutron network: %s", netResult.Err.Error())
	}

	network, err := netResult.Extract()
	if err != nil {
		t.Fatalf("Failed to create neutron network: %s", err.Error())
	}

	subResult := subnets.Create(client, subnets.CreateOpts{Name: "skydive-test-subnet", NetworkID: network.ID, CIDR: "192.168.1.0/24", IPVersion: 4})
	if subResult.Err != nil {
		t.Fatalf("Failed to create neutron subnet: %s", subResult.Err.Error())
	}

	subnet, err := subResult.Extract()
	if err != nil {
		t.Fatalf("Failed to create neutron subnet: %s", err.Error())
	}

	portResult := ports.Create(client, ports.CreateOpts{NetworkID: network.ID, DeviceID: "skydive-123", DeviceOwner: "skydive-test"})
	if portResult.Err != nil {
		t.Fatalf("Failed to create neutron port: %s", subResult.Err.Error())
	}

	port, err := portResult.Extract()
	if err != nil {
		t.Fatalf("Failed to create neutron port: %s", err.Error())
	}

	defer ports.Delete(client, port.ID)
	defer subnets.Delete(client, subnet.ID)
	defer networks.Delete(client, network.ID)

	authOptions := &shttp.AuthenticationOpts{
		Username: username,
		Password: password,
	}

	subID := port.ID[0:11]
	dev := fmt.Sprintf("tap%s", subID)

	ovsctl := `ovs-vsctl add-port br-int %s -- set Interface %s external-ids:iface-id=%s`
	ovsctl += ` external-ids:iface-status=active external-ids:attached-mac=%s external-ids:vm-uuid=skydive-vm type=internal`

	setupCmds := []helper.Cmd{
		{fmt.Sprintf(ovsctl, dev, dev, port.ID, port.MACAddress), true},
		{"sleep 1", true},
		{fmt.Sprintf("ip link set %s up", dev), true},
	}

	tearDownCmds := []helper.Cmd{
		{fmt.Sprintf("ovs-vsctl del-port %s", dev), true},
	}
	helper.ExecCmds(t, setupCmds...)
	defer helper.ExecCmds(t, tearDownCmds...)

	gh := helper.NewGremlinQueryHelper(authOptions)

	// let neutron update the port
	time.Sleep(5 * time.Second)

	nodes := gh.GetNodesFromGremlinReply(t, `g.V().Has("Manager", "neutron", "ExtID/vm-uuid", "skydive-vm", "Name", "`+dev+`", "Neutron/PortID", "`+port.ID+`")`)
	if len(nodes) != 1 {
		t.Errorf("Should find the neutron port in the topology: %v", gh.GetNodesFromGremlinReply(t, `g.V()`))
	}
}