terraform/builtin/providers/rabbitmq/resource_queue.go

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package rabbitmq
import (
"fmt"
"log"
"strings"
"github.com/michaelklishin/rabbit-hole"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceQueue() *schema.Resource {
return &schema.Resource{
Create: CreateQueue,
Read: ReadQueue,
Delete: DeleteQueue,
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{
"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 CreateQueue(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 := declareQueue(rmqc, vhost, name, settingsMap); err != nil {
return err
}
id := fmt.Sprintf("%s@%s", name, vhost)
d.SetId(id)
return ReadQueue(d, meta)
}
func ReadQueue(d *schema.ResourceData, meta interface{}) error {
rmqc := meta.(*rabbithole.Client)
queueId := strings.Split(d.Id(), "@")
if len(queueId) < 2 {
return fmt.Errorf("Unable to determine Queue ID")
}
user := queueId[0]
vhost := queueId[1]
queueSettings, err := rmqc.GetQueue(vhost, user)
if err != nil {
return checkDeleted(d, err)
}
log.Printf("[DEBUG] RabbitMQ: Queue retrieved for %s: %#v", d.Id(), queueSettings)
d.Set("name", queueSettings.Name)
d.Set("vhost", queueSettings.Vhost)
queue := make([]map[string]interface{}, 1)
e := make(map[string]interface{})
e["durable"] = queueSettings.Durable
e["auto_delete"] = queueSettings.AutoDelete
e["arguments"] = queueSettings.Arguments
queue[0] = e
d.Set("settings", queue)
return nil
}
func DeleteQueue(d *schema.ResourceData, meta interface{}) error {
rmqc := meta.(*rabbithole.Client)
queueId := strings.Split(d.Id(), "@")
if len(queueId) < 2 {
return fmt.Errorf("Unable to determine Queue ID")
}
user := queueId[0]
vhost := queueId[1]
log.Printf("[DEBUG] RabbitMQ: Attempting to delete queue for %s", d.Id())
resp, err := rmqc.DeleteQueue(vhost, user)
log.Printf("[DEBUG] RabbitMQ: Queue delete response: %#v", resp)
if err != nil {
return err
}
if resp.StatusCode == 404 {
// the queue was automatically deleted
return nil
}
if resp.StatusCode >= 400 {
return fmt.Errorf("Error deleting RabbitMQ queue: %s", resp.Status)
}
return nil
}
func declareQueue(rmqc *rabbithole.Client, vhost string, name string, settingsMap map[string]interface{}) error {
queueSettings := rabbithole.QueueSettings{}
if v, ok := settingsMap["durable"].(bool); ok {
queueSettings.Durable = v
}
if v, ok := settingsMap["auto_delete"].(bool); ok {
queueSettings.AutoDelete = v
}
if v, ok := settingsMap["arguments"].(map[string]interface{}); ok {
queueSettings.Arguments = v
}
log.Printf("[DEBUG] RabbitMQ: Attempting to declare queue for %s@%s: %#v", name, vhost, queueSettings)
resp, err := rmqc.DeclareQueue(vhost, name, queueSettings)
log.Printf("[DEBUG] RabbitMQ: Queue declare response: %#v", resp)
if err != nil {
return err
}
if resp.StatusCode >= 400 {
return fmt.Errorf("Error declaring RabbitMQ queue: %s", resp.Status)
}
return nil
}