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Copy pathresource_cloudstack_network.go
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399 lines (327 loc) · 8.9 KB
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package cloudstack
import (
"fmt"
"log"
"net"
"strconv"
"strings"
"github.com/hashicorp/terraform/helper/schema"
"github.com/xanzy/go-cloudstack/cloudstack"
)
const none = "none"
func resourceCloudStackNetwork() *schema.Resource {
aclidSchema := &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: none,
ConflictsWith: []string{"aclid"},
}
aclidSchema.StateFunc = func(v interface{}) string {
value := v.(string)
if value == none {
aclidSchema.ForceNew = true
}
return value
}
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,
},
"gateway": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"startip": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"endip": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"network_offering": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"vlan": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
ForceNew: true,
},
"vpc_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"vpc": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
Deprecated: "Please use the `vpc_id` field instead",
},
"acl_id": aclidSchema,
"aclid": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Deprecated: "Please use the `acl_id` field instead",
},
"project": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"zone": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"tags": tagsSchema(),
},
}
}
func resourceCloudStackNetworkCreate(d *schema.ResourceData, meta interface{}) error {
cs := meta.(*cloudstack.CloudStackClient)
name := d.Get("name").(string)
// Retrieve the network_offering ID
networkofferingid, e := retrieveID(cs, "network_offering", d.Get("network_offering").(string))
if e != nil {
return e.Error()
}
// Retrieve the zone ID
zoneid, e := retrieveID(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)
m, err := parseCIDR(d)
if err != nil {
return err
}
// Set the needed IP config
p.SetStartip(m["startip"])
p.SetGateway(m["gateway"])
p.SetEndip(m["endip"])
p.SetNetmask(m["netmask"])
if vlan, ok := d.GetOk("vlan"); ok {
p.SetVlan(strconv.Itoa(vlan.(int)))
}
// Check is this network needs to be created in a VPC
vpc, ok := d.GetOk("vpc_id")
if !ok {
vpc, ok = d.GetOk("vpc")
}
if ok {
// Retrieve the vpc ID
vpcid, e := retrieveID(
cs,
"vpc",
vpc.(string),
cloudstack.WithProject(d.Get("project").(string)),
)
if e != nil {
return e.Error()
}
// Set the vpcid
p.SetVpcid(vpcid)
// Since we're in a VPC, check if we want to assiciate an ACL list
aclid, ok := d.GetOk("acl_id")
if !ok {
aclid, ok = d.GetOk("acl")
}
if ok && aclid != none {
// Set the acl ID
p.SetAclid(aclid.(string))
}
}
// If there is a project supplied, we retrieve and set the project id
if err := setProjectid(p, cs, d); err != nil {
return err
}
// 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)
err = setTags(cs, d, "network")
if err != nil {
return fmt.Errorf("Error setting tags: %s", err)
}
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(),
cloudstack.WithProject(d.Get("project").(string)),
)
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)
d.Set("gateway", n.Gateway)
_, vpcID := d.GetOk("vpc_id")
_, vpc := d.GetOk("vpc")
if vpcID || vpc {
d.Set("vpc_id", n.Vpcid)
// Since we're in a VPC, also update the ACL ID. If we don't
// have an ACL ID make sure we set the default value instead.
if n.Aclid == "" {
n.Aclid = none
}
d.Set("acl_id", n.Aclid)
}
// Read the tags and store them in a map
tags := make(map[string]interface{})
for item := range n.Tags {
tags[n.Tags[item].Key] = n.Tags[item].Value
}
d.Set("tags", tags)
setValueOrID(d, "network_offering", n.Networkofferingname, n.Networkofferingid)
setValueOrID(d, "project", n.Project, n.Projectid)
setValueOrID(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 ID
networkofferingid, e := retrieveID(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)
}
// Replace the ACL if the ID has changed
if d.HasChange("acl_id") || d.HasChange("acl") {
aclid, ok := d.GetOk("acl_id")
if !ok {
aclid, ok = d.GetOk("acl")
}
if !ok {
return fmt.Errorf("Replacing the ACL requires a valid ACL ID")
}
p := cs.NetworkACL.NewReplaceNetworkACLListParams(aclid.(string))
p.SetNetworkid(d.Id())
_, err := cs.NetworkACL.ReplaceNetworkACLList(p)
if err != nil {
return fmt.Errorf("Error replacing ACL: %s", err)
}
}
// Update tags if they have changed
if d.HasChange("tags") {
err = setTags(cs, d, "network")
if err != nil {
return fmt.Errorf("Error updating tags: %s", 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 ID 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(d *schema.ResourceData) (map[string]string, error) {
m := make(map[string]string, 4)
cidr := d.Get("cidr").(string)
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])
if gateway, ok := d.GetOk("gateway"); ok {
m["gateway"] = gateway.(string)
} else {
m["gateway"] = fmt.Sprintf("%d.%d.%d.%d", sub[0], sub[1], sub[2], sub[3]+1)
}
if startip, ok := d.GetOk("startip"); ok {
m["startip"] = startip.(string)
} else {
m["startip"] = fmt.Sprintf("%d.%d.%d.%d", sub[0], sub[1], sub[2], sub[3]+2)
}
if endip, ok := d.GetOk("endip"); ok {
m["endip"] = endip.(string)
} else {
m["endip"] = 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
}