package cloudstack import ( "fmt" "log" "net" "strings" "github.com/hashicorp/terraform/helper/schema" "github.com/xanzy/go-cloudstack/cloudstack" ) func resourceCloudStackNetwork() *schema.Resource { return &schema.Resource{ Create: resourceCloudStackNetworkCreate, Read: resourceCloudStackNetworkRead, Update: resourceCloudStackNetworkUpdate, Delete: resourceCloudStackNetworkDelete, Schema: map[string]*schema.Schema{ "name": &schema.Schema{ Type: schema.TypeString, Required: true, }, "display_text": &schema.Schema{ Type: schema.TypeString, Optional: true, Computed: true, }, "cidr": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, }, "network_offering": &schema.Schema{ Type: schema.TypeString, Required: true, }, "vpc": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, }, "aclid": &schema.Schema{ Type: schema.TypeString, Optional: true, ForceNew: true, }, "zone": &schema.Schema{ Type: schema.TypeString, Required: true, ForceNew: true, }, }, } } func resourceCloudStackNetworkCreate(d *schema.ResourceData, meta interface{}) error { cs := meta.(*cloudstack.CloudStackClient) name := d.Get("name").(string) // Retrieve the network_offering UUID networkofferingid, e := retrieveUUID(cs, "network_offering", d.Get("network_offering").(string)) if e != nil { return e.Error() } // Retrieve the zone UUID zoneid, e := retrieveUUID(cs, "zone", d.Get("zone").(string)) if e != nil { return e.Error() } // Compute/set the display text displaytext, ok := d.GetOk("display_text") if !ok { displaytext = name } // Create a new parameter struct p := cs.Network.NewCreateNetworkParams(displaytext.(string), name, networkofferingid, zoneid) // Get the network details from the CIDR m, err := parseCIDR(d.Get("cidr").(string)) if err != nil { return err } // Set the needed IP config p.SetStartip(m["start"]) p.SetGateway(m["gateway"]) p.SetEndip(m["end"]) p.SetNetmask(m["netmask"]) // Check is this network needs to be created in a VPC vpc := d.Get("vpc").(string) if vpc != "" { // Retrieve the vpc UUID vpcid, e := retrieveUUID(cs, "vpc", vpc) if e != nil { return e.Error() } // Set the vpc UUID p.SetVpcid(vpcid) // Since we're in a VPC, check if we want to assiciate an ACL list aclid := d.Get("aclid").(string) if aclid != "" { // Set the acl UUID p.SetAclid(aclid) } } // Create the new network r, err := cs.Network.CreateNetwork(p) if err != nil { return fmt.Errorf("Error creating network %s: %s", name, err) } d.SetId(r.Id) return resourceCloudStackNetworkRead(d, meta) } func resourceCloudStackNetworkRead(d *schema.ResourceData, meta interface{}) error { cs := meta.(*cloudstack.CloudStackClient) // Get the virtual machine details n, count, err := cs.Network.GetNetworkByID(d.Id()) if err != nil { if count == 0 { log.Printf( "[DEBUG] Network %s does no longer exist", d.Get("name").(string)) d.SetId("") return nil } return err } d.Set("name", n.Name) d.Set("display_text", n.Displaytext) d.Set("cidr", n.Cidr) setValueOrUUID(d, "network_offering", n.Networkofferingname, n.Networkofferingid) setValueOrUUID(d, "zone", n.Zonename, n.Zoneid) return nil } func resourceCloudStackNetworkUpdate(d *schema.ResourceData, meta interface{}) error { cs := meta.(*cloudstack.CloudStackClient) name := d.Get("name").(string) // Create a new parameter struct p := cs.Network.NewUpdateNetworkParams(d.Id()) // Check if the name or display text is changed if d.HasChange("name") || d.HasChange("display_text") { p.SetName(name) // Compute/set the display text displaytext := d.Get("display_text").(string) if displaytext == "" { displaytext = name } p.SetDisplaytext(displaytext) } // Check if the cidr is changed if d.HasChange("cidr") { p.SetGuestvmcidr(d.Get("cidr").(string)) } // Check if the network offering is changed if d.HasChange("network_offering") { // Retrieve the network_offering UUID networkofferingid, e := retrieveUUID(cs, "network_offering", d.Get("network_offering").(string)) if e != nil { return e.Error() } // Set the new network offering p.SetNetworkofferingid(networkofferingid) } // Update the network _, err := cs.Network.UpdateNetwork(p) if err != nil { return fmt.Errorf( "Error updating network %s: %s", name, err) } return resourceCloudStackNetworkRead(d, meta) } func resourceCloudStackNetworkDelete(d *schema.ResourceData, meta interface{}) error { cs := meta.(*cloudstack.CloudStackClient) // Create a new parameter struct p := cs.Network.NewDeleteNetworkParams(d.Id()) // Delete the network _, err := cs.Network.DeleteNetwork(p) if err != nil { // This is a very poor way to be told the UUID does no longer exist :( if strings.Contains(err.Error(), fmt.Sprintf( "Invalid parameter id value=%s due to incorrect long value format, "+ "or entity does not exist", d.Id())) { return nil } return fmt.Errorf("Error deleting network %s: %s", d.Get("name").(string), err) } return nil } func parseCIDR(cidr string) (map[string]string, error) { m := make(map[string]string, 4) ip, ipnet, err := net.ParseCIDR(cidr) if err != nil { return nil, fmt.Errorf("Unable to parse cidr %s: %s", cidr, err) } msk := ipnet.Mask sub := ip.Mask(msk) m["netmask"] = fmt.Sprintf("%d.%d.%d.%d", msk[0], msk[1], msk[2], msk[3]) m["gateway"] = fmt.Sprintf("%d.%d.%d.%d", sub[0], sub[1], sub[2], sub[3]+1) m["start"] = fmt.Sprintf("%d.%d.%d.%d", sub[0], sub[1], sub[2], sub[3]+2) m["end"] = fmt.Sprintf("%d.%d.%d.%d", sub[0]+(0xff-msk[0]), sub[1]+(0xff-msk[1]), sub[2]+(0xff-msk[2]), sub[3]+(0xff-msk[3]-1)) return m, nil }