forked from hashicorp/terraform
/
resource_exchange.go
189 lines (148 loc) · 4.25 KB
/
resource_exchange.go
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package rabbitmq
import (
"fmt"
"log"
"strings"
"github.com/michaelklishin/rabbit-hole"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceExchange() *schema.Resource {
return &schema.Resource{
Create: CreateExchange,
Read: ReadExchange,
Delete: DeleteExchange,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"vhost": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "/",
ForceNew: true,
},
"settings": &schema.Schema{
Type: schema.TypeList,
Required: true,
ForceNew: true,
MaxItems: 1,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"type": &schema.Schema{
Type: schema.TypeString,
Required: true,
},
"durable": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"auto_delete": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Default: false,
},
"arguments": &schema.Schema{
Type: schema.TypeMap,
Optional: true,
},
},
},
},
},
}
}
func CreateExchange(d *schema.ResourceData, meta interface{}) error {
rmqc := meta.(*rabbithole.Client)
name := d.Get("name").(string)
vhost := d.Get("vhost").(string)
settingsList := d.Get("settings").([]interface{})
settingsMap, ok := settingsList[0].(map[string]interface{})
if !ok {
return fmt.Errorf("Unable to parse settings")
}
if err := declareExchange(rmqc, vhost, name, settingsMap); err != nil {
return err
}
id := fmt.Sprintf("%s@%s", name, vhost)
d.SetId(id)
return ReadExchange(d, meta)
}
func ReadExchange(d *schema.ResourceData, meta interface{}) error {
rmqc := meta.(*rabbithole.Client)
exchangeId := strings.Split(d.Id(), "@")
if len(exchangeId) < 2 {
return fmt.Errorf("Unable to determine exchange ID")
}
name := exchangeId[0]
vhost := exchangeId[1]
exchangeSettings, err := rmqc.GetExchange(vhost, name)
if err != nil {
return checkDeleted(d, err)
}
log.Printf("[DEBUG] RabbitMQ: Exchange retrieved %s: %#v", d.Id(), exchangeSettings)
d.Set("name", exchangeSettings.Name)
d.Set("vhost", exchangeSettings.Vhost)
exchange := make([]map[string]interface{}, 1)
e := make(map[string]interface{})
e["type"] = exchangeSettings.Type
e["durable"] = exchangeSettings.Durable
e["auto_delete"] = exchangeSettings.AutoDelete
e["arguments"] = exchangeSettings.Arguments
exchange[0] = e
d.Set("settings", exchange)
return nil
}
func DeleteExchange(d *schema.ResourceData, meta interface{}) error {
rmqc := meta.(*rabbithole.Client)
exchangeId := strings.Split(d.Id(), "@")
if len(exchangeId) < 2 {
return fmt.Errorf("Unable to determine exchange ID")
}
name := exchangeId[0]
vhost := exchangeId[1]
log.Printf("[DEBUG] RabbitMQ: Attempting to delete exchange %s", d.Id())
resp, err := rmqc.DeleteExchange(vhost, name)
log.Printf("[DEBUG] RabbitMQ: Exchange delete response: %#v", resp)
if err != nil {
return err
}
if resp.StatusCode == 404 {
// The exchange was automatically deleted
return nil
}
if resp.StatusCode >= 400 {
return fmt.Errorf("Error deleting RabbitMQ exchange: %s", resp.Status)
}
return nil
}
func declareExchange(rmqc *rabbithole.Client, vhost string, name string, settingsMap map[string]interface{}) error {
exchangeSettings := rabbithole.ExchangeSettings{}
if v, ok := settingsMap["type"].(string); ok {
exchangeSettings.Type = v
}
if v, ok := settingsMap["durable"].(bool); ok {
exchangeSettings.Durable = v
}
if v, ok := settingsMap["auto_delete"].(bool); ok {
exchangeSettings.AutoDelete = v
}
if v, ok := settingsMap["arguments"].(map[string]interface{}); ok {
exchangeSettings.Arguments = v
}
log.Printf("[DEBUG] RabbitMQ: Attempting to declare exchange %s@%s: %#v", name, vhost, exchangeSettings)
resp, err := rmqc.DeclareExchange(vhost, name, exchangeSettings)
log.Printf("[DEBUG] RabbitMQ: Exchange declare response: %#v", resp)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("Error declaring RabbitMQ exchange: %s", resp.Status)
}
return nil
}