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Scaffold Azure RM Route Table resource
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stack72 committed Jan 10, 2016
1 parent c2d16cd commit c1fa839
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Showing 6 changed files with 530 additions and 0 deletions.
7 changes: 7 additions & 0 deletions builtin/providers/azurerm/config.go
Original file line number Diff line number Diff line change
Expand Up @@ -37,6 +37,7 @@ type ArmClient struct {
vnetGatewayConnectionsClient network.VirtualNetworkGatewayConnectionsClient
vnetGatewayClient network.VirtualNetworkGatewaysClient
vnetClient network.VirtualNetworksClient
routeTablesClient network.RouteTablesClient

providers resources.ProvidersClient
resourceGroupClient resources.GroupsClient
Expand Down Expand Up @@ -186,6 +187,12 @@ func (c *Config) getArmClient() (*ArmClient, error) {
vnc.Sender = autorest.CreateSender(withRequestLogging())
client.vnetClient = vnc

rtc := network.NewRouteTablesClient(c.SubscriptionID)
setUserAgent(&rtc.Client)
rtc.Authorizer = spt
rtc.Sender = autorest.CreateSender(withRequestLogging())
client.routeTablesClient = rtc

rgc := resources.NewGroupsClient(c.SubscriptionID)
setUserAgent(&rgc.Client)
rgc.Authorizer = spt
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1 change: 1 addition & 0 deletions builtin/providers/azurerm/provider.go
Original file line number Diff line number Diff line change
Expand Up @@ -49,6 +49,7 @@ func Provider() terraform.ResourceProvider {
"azurerm_public_ip": resourceArmPublicIp(),
"azurerm_subnet": resourceArmSubnet(),
"azurerm_network_interface": resourceArmNetworkInterface(),
"azurerm_route_table": resourceArmRouteTable(),
},
ConfigureFunc: providerConfigure,
}
Expand Down
252 changes: 252 additions & 0 deletions builtin/providers/azurerm/resource_arm_route_table.go
Original file line number Diff line number Diff line change
@@ -0,0 +1,252 @@
package azurerm

import (
"bytes"
"fmt"
"log"
"net/http"
"strings"
"time"

"github.com/Azure/azure-sdk-for-go/arm/network"
"github.com/hashicorp/terraform/helper/hashcode"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)

func resourceArmRouteTable() *schema.Resource {
return &schema.Resource{
Create: resourceArmRouteTableCreate,
Read: resourceArmRouteTableRead,
Update: resourceArmRouteTableCreate,
Delete: resourceArmRouteTableDelete,

Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},

"location": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
StateFunc: azureRMNormalizeLocation,
},

"resource_group_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},

"route": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
},

"address_prefix": &schema.Schema{
Type: schema.TypeString,
Required: true,
},

"next_hop_type": &schema.Schema{
Type: schema.TypeString,
Required: true,
ValidateFunc: validateRouteTableNextHopType,
},

"next_hop_in_ip_address": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
},
},
},
Set: resourceArmRouteTableRouteHash,
},

"subnets": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Computed: true,
Elem: &schema.Schema{Type: schema.TypeString},
Set: schema.HashString,
},
},
}
}

func resourceArmRouteTableCreate(d *schema.ResourceData, meta interface{}) error {
client := meta.(*ArmClient)
routeTablesClient := client.routeTablesClient

log.Printf("[INFO] preparing arguments for Azure ARM Route Table creation.")

name := d.Get("name").(string)
location := d.Get("location").(string)
resGroup := d.Get("resource_group_name").(string)

routeSet := network.RouteTable{
Name: &name,
Location: &location,
}

if _, ok := d.GetOk("route"); ok {
properties := network.RouteTablePropertiesFormat{}
routes, routeErr := expandAzureRmRouteTableRoutes(d)
if routeErr != nil {
return fmt.Errorf("Error Building list of Route Table Routes: %s", routeErr)
}
if len(routes) > 0 {
routeSet.Properties = &properties
}

}

resp, err := routeTablesClient.CreateOrUpdate(resGroup, name, routeSet)
if err != nil {
return err
}

d.SetId(*resp.ID)

log.Printf("[DEBUG] Waiting for Route Table (%s) to become available", name)
stateConf := &resource.StateChangeConf{
Pending: []string{"Accepted", "Updating"},
Target: "Succeeded",
Refresh: routeTableStateRefreshFunc(client, resGroup, name),
Timeout: 10 * time.Minute,
}
if _, err := stateConf.WaitForState(); err != nil {
return fmt.Errorf("Error waiting forRoute Table (%s) to become available: %s", name, err)
}

return resourceArmRouteTableRead(d, meta)
}

func resourceArmRouteTableRead(d *schema.ResourceData, meta interface{}) error {
routeTablesClient := meta.(*ArmClient).routeTablesClient

id, err := parseAzureResourceID(d.Id())
if err != nil {
return err
}
resGroup := id.ResourceGroup
name := id.Path["routeTables"]

resp, err := routeTablesClient.Get(resGroup, name, "")
if resp.StatusCode == http.StatusNotFound {
d.SetId("")
return nil
}
if err != nil {
return fmt.Errorf("Error making Read request on Azure Route Table %s: %s", name, err)
}

if resp.Properties.Subnets != nil {
if len(*resp.Properties.Subnets) > 0 {
subnets := make([]string, 0, len(*resp.Properties.Subnets))
for _, subnet := range *resp.Properties.Subnets {
id := subnet.ID
subnets = append(subnets, *id)
}

if err := d.Set("subnets", subnets); err != nil {
return err
}
}
}

return nil
}

func resourceArmRouteTableDelete(d *schema.ResourceData, meta interface{}) error {
routeTablesClient := meta.(*ArmClient).routeTablesClient

id, err := parseAzureResourceID(d.Id())
if err != nil {
return err
}
resGroup := id.ResourceGroup
name := id.Path["routeTables"]

_, err = routeTablesClient.Delete(resGroup, name)

return err
}

func expandAzureRmRouteTableRoutes(d *schema.ResourceData) ([]network.Route, error) {
configs := d.Get("route").(*schema.Set).List()
routes := make([]network.Route, 0, len(configs))

for _, configRaw := range configs {
data := configRaw.(map[string]interface{})

address_prefix := data["address_prefix"].(string)
next_hop_type := data["next_hop_type"].(string)

properties := network.RoutePropertiesFormat{
AddressPrefix: &address_prefix,
NextHopType: network.RouteNextHopType(next_hop_type),
}

if v := data["next_hop_in_ip_address"].(string); v != "" {
properties.NextHopIPAddress = &v
}

name := data["name"].(string)
route := network.Route{
Name: &name,
Properties: &properties,
}

routes = append(routes, route)
}

return routes, nil
}

func routeTableStateRefreshFunc(client *ArmClient, resourceGroupName string, routeTableName string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
res, err := client.routeTablesClient.Get(resourceGroupName, routeTableName, "")
if err != nil {
return nil, "", fmt.Errorf("Error issuing read request in routeTableStateRefreshFunc to Azure ARM for route table '%s' (RG: '%s'): %s", routeTableName, resourceGroupName, err)
}

return res, *res.Properties.ProvisioningState, nil
}
}

func resourceArmRouteTableRouteHash(v interface{}) int {
var buf bytes.Buffer
m := v.(map[string]interface{})
buf.WriteString(fmt.Sprintf("%s-", m["name"].(string)))
buf.WriteString(fmt.Sprintf("%s-", m["address_prefix"].(string)))
buf.WriteString(fmt.Sprintf("%s-", m["next_hop_type"].(string)))

return hashcode.String(buf.String())
}

func validateRouteTableNextHopType(v interface{}, k string) (ws []string, errors []error) {
value := strings.ToLower(v.(string))
hopTypes := map[string]bool{
"virtualnetworkgateway": true,
"vnetlocal": true,
"internet": true,
"virtualappliance": true,
"null": true,
}

if !hopTypes[value] {
errors = append(errors, fmt.Errorf("Route Table NextHopType Protocol can only be VirtualNetworkGateway, VnetLocal, Internet or VirtualAppliance"))
}
return
}
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