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resource_azure_storage_container.go
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resource_azure_storage_container.go
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package azure
import (
"fmt"
"log"
"github.com/Azure/azure-sdk-for-go/storage"
"github.com/hashicorp/terraform/helper/schema"
)
// resourceAzureStorageContainer returns the *schema.Resource associated
// to a storage container on Azure.
func resourceAzureStorageContainer() *schema.Resource {
return &schema.Resource{
Create: resourceAzureStorageContainerCreate,
Read: resourceAzureStorageContainerRead,
Exists: resourceAzureStorageContainerExists,
Delete: resourceAzureStorageContainerDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: parameterDescriptions["name"],
},
"storage_service_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: parameterDescriptions["storage_service_name"],
},
"container_access_type": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
Description: parameterDescriptions["container_access_type"],
},
"properties": &schema.Schema{
Type: schema.TypeMap,
Computed: true,
Elem: schema.TypeString,
Description: parameterDescriptions["properties"],
},
},
}
}
// resourceAzureStorageContainerCreate does all the necessary API calls to
// create the storage container on Azure.
func resourceAzureStorageContainerCreate(d *schema.ResourceData, meta interface{}) error {
azureClient := meta.(*Client)
storName := d.Get("storage_service_name").(string)
blobClient, err := azureClient.getStorageServiceBlobClient(storName)
if err != nil {
return err
}
log.Println("[INFO] Creating storage container on Azure.")
name := d.Get("name").(string)
accessType := storage.ContainerAccessType(d.Get("container_access_type").(string))
err = blobClient.CreateContainer(name, accessType)
if err != nil {
return fmt.Errorf("Failed to create storage container on Azure: %s", err)
}
d.SetId(name)
return resourceAzureStorageContainerRead(d, meta)
}
// resourceAzureStorageContainerRead does all the necessary API calls to
// read the status of the storage container off Azure.
func resourceAzureStorageContainerRead(d *schema.ResourceData, meta interface{}) error {
azureClient := meta.(*Client)
storName := d.Get("storage_service_name").(string)
blobClient, err := azureClient.getStorageServiceBlobClient(storName)
if err != nil {
return err
}
log.Println("[INFO] Querying Azure for storage containers.")
name := d.Get("name").(string)
containers, err := blobClient.ListContainers(storage.ListContainersParameters{
Prefix: name,
Timeout: 90,
})
if err != nil {
return fmt.Errorf("Failed to query Azure for its storage containers: %s", err)
}
// search for our storage container and update its stats:
var found bool
// loop just to make sure we got the right container:
for _, cont := range containers.Containers {
if cont.Name == name {
found = true
props := make(map[string]interface{})
props["last_modified"] = cont.Properties.LastModified
props["lease_status"] = cont.Properties.LeaseStatus
props["lease_state"] = cont.Properties.LeaseState
props["lease_duration"] = cont.Properties.LeaseDuration
d.Set("properties", props)
}
}
// if not found; it means the resource has been deleted
// in the meantime; so we must untrack it:
if !found {
d.SetId("")
}
return nil
}
// resourceAzureStorageContainerExists does all the necessary API calls to
// check if the storage container already exists on Azure.
func resourceAzureStorageContainerExists(d *schema.ResourceData, meta interface{}) (bool, error) {
azureClient := meta.(*Client)
storName := d.Get("storage_service_name").(string)
blobClient, err := azureClient.getStorageServiceBlobClient(storName)
if err != nil {
return false, err
}
log.Println("[INFO] Checking existence of storage container on Azure.")
name := d.Get("name").(string)
exists, err := blobClient.ContainerExists(name)
if err != nil {
return false, fmt.Errorf("Failed to query for Azure storage container existence: %s", err)
}
// if it does not exist; untrack the resource:
if !exists {
d.SetId("")
}
return exists, nil
}
// resourceAzureStorageContainerDelete does all the necessary API calls to
// delete a storage container off Azure.
func resourceAzureStorageContainerDelete(d *schema.ResourceData, meta interface{}) error {
azureClient := meta.(*Client)
storName := d.Get("storage_service_name").(string)
blobClient, err := azureClient.getStorageServiceBlobClient(storName)
if err != nil {
return err
}
log.Println("[INFO] Issuing Azure storage container deletion call.")
name := d.Get("name").(string)
if _, err := blobClient.DeleteContainerIfExists(name); err != nil {
return fmt.Errorf("Failed deleting storage container off Azure: %s", err)
}
d.SetId("")
return nil
}