auth: add data source

Signed-off-by: Arthur Outhenin-Chalandre <arthur.outhenin-chalandre@cern.ch>

ceph/data_source_auth.go

@@ -0,0 +1,77 @@
+package ceph
+
+import (
+	"context"
+	"encoding/json"
+
+	"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
+	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
+)
+
+func dataSourceAuth() *schema.Resource {
+	return &schema.Resource{
+		ReadContext: dataSourceAuthRead,
+
+		Schema: map[string]*schema.Schema{
+			"entity": {
+				Type:        schema.TypeString,
+				Required:    true,
+				ForceNew:    true,
+				Description: "The entity name (i.e.: client.admin)",
+			},
+
+			"caps": {
+				Type: schema.TypeMap,
+				Elem: &schema.Schema{
+					Type: schema.TypeString,
+				},
+				Computed:    true,
+				Description: "The caps of the entity",
+			},
+
+			"keyring": {
+				Type: schema.TypeString,
+
+				Computed:    true,
+				Description: "The cephx keyring of the entity",
+			},
+
+			"key": {
+				Type:        schema.TypeString,
+				Computed:    true,
+				Description: "The cephx key of the entity",
+			},
+		},
+	}
+}
+
+func dataSourceAuthRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
+	conn, err := meta.(*Config).GetCephConnection()
+	if err != nil {
+		return diag.Errorf("Unable to connect to Ceph: %s", err)
+	}
+	entity := d.Get("entity").(string)
+
+	command, err := json.Marshal(map[string]interface{}{
+		"prefix": "auth get",
+		"format": "json",
+		"entity": entity,
+	})
+	if err != nil {
+		return diag.Errorf("Error data_source_auth unable to create get JSON command: %s", err)
+	}
+
+	buf, _, err := conn.MonCommand(command)
+	if err != nil {
+		return diag.Errorf("Error data_source_auth on get command: %s", err)
+	}
+
+	var authResponses []authResponse
+	err = json.Unmarshal(buf, &authResponses)
+	if err != nil {
+		return diag.Errorf("Error data_source auth unmarshal on response: %s", err)
+	}
+
+	d.SetId(entity)
+	return setAuthResourceData(d, authResponses)
+}

ceph/provider.go

@@ -39,7 +39,9 @@ func Provider() *schema.Provider {
 				Description: "List of mon to connect to Ceph.",
 			},
 		},
-		DataSourcesMap: map[string]*schema.Resource{},
+		DataSourcesMap: map[string]*schema.Resource{
+			"ceph_auth": dataSourceAuth(),
+		},
 		ResourcesMap: map[string]*schema.Resource{
 			"ceph_wait_online": resourceWaitOnline(),
 			"ceph_auth":        resourceAuth(),

ceph/resource_auth.go

@@ -39,7 +39,7 @@ func resourceAuth() *schema.Resource {
 					Type: schema.TypeString,
 				},
 				Optional:    true,
-				Description: "The caps wanted for the entity",
+				Description: "The caps of the entity",
 			},
 
 			"keyring": {
@@ -61,7 +61,7 @@ func resourceAuth() *schema.Resource {
 const clientKeyringFormat = `[%s]
 %s`
 
-func setResourceData(d *schema.ResourceData, authResponses []authResponse) diag.Diagnostics {
+func setAuthResourceData(d *schema.ResourceData, authResponses []authResponse) diag.Diagnostics {
 	if len(authResponses) == 0 {
 		return diag.Errorf("No data returned by ceph auth command")
 	}
@@ -105,7 +105,7 @@ func resourceAuthCreate(ctx context.Context, d *schema.ResourceData, meta interf
 		"caps":   toCapsArray(d.Get("caps").(map[string]interface{})),
 	})
 	if err != nil {
-		return diag.Errorf("Unable resource_auth unable to create get-or-create JSON command: %s", err)
+		return diag.Errorf("Error resource_auth unable to create get-or-create JSON command: %s", err)
 	}
 
 	buf, _, err := conn.MonCommand(command)
@@ -116,11 +116,11 @@ func resourceAuthCreate(ctx context.Context, d *schema.ResourceData, meta interf
 	var authResponses []authResponse
 	err = json.Unmarshal(buf, &authResponses)
 	if err != nil {
-		return diag.Errorf("Error unmarshal on get-or-create response: %s", err)
+		return diag.Errorf("Error resource_auth unmarshal on get-or-create response: %s", err)
 	}
 
 	d.SetId(entity)
-	return setResourceData(d, authResponses)
+	return setAuthResourceData(d, authResponses)
 }
 
 func resourceAuthRead(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
@@ -136,7 +136,7 @@ func resourceAuthRead(ctx context.Context, d *schema.ResourceData, meta interfac
 		"entity": entity,
 	})
 	if err != nil {
-		return diag.Errorf("Unable resource_auth unable to create get JSON command: %s", err)
+		return diag.Errorf("Error resource_auth unable to create get JSON command: %s", err)
 	}
 
 	buf, _, err := conn.MonCommand(command)
@@ -147,10 +147,10 @@ func resourceAuthRead(ctx context.Context, d *schema.ResourceData, meta interfac
 	var authResponses []authResponse
 	err = json.Unmarshal(buf, &authResponses)
 	if err != nil {
-		return diag.Errorf("Error unmarshal on get response: %s", err)
+		return diag.Errorf("Error resource_auth unmarshal on get response: %s", err)
 	}
 
-	return setResourceData(d, authResponses)
+	return setAuthResourceData(d, authResponses)
 }
 
 func resourceAuthUpdate(ctx context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
@@ -167,7 +167,7 @@ func resourceAuthUpdate(ctx context.Context, d *schema.ResourceData, meta interf
 		"caps":   toCapsArray(d.Get("caps").(map[string]interface{})),
 	})
 	if err != nil {
-		return diag.Errorf("Unable resource_auth unable to create caps JSON command: %s", err)
+		return diag.Errorf("Error resource_auth unable to create caps JSON command: %s", err)
 	}
 
 	_, _, err = conn.MonCommand(command)

docs/data-sources/auth.md

@@ -0,0 +1,29 @@
+---
+# generated by https://github.com/hashicorp/terraform-plugin-docs
+page_title: "ceph_auth Data Source - terraform-provider-ceph"
+subcategory: ""
+description: |-
+  
+---
+
+# ceph_auth (Data Source)
+
+
+
+
+
+<!-- schema generated by tfplugindocs -->
+## Schema
+
+### Required
+
+- `entity` (String) The entity name (i.e.: client.admin)
+
+### Read-Only
+
+- `caps` (Map of String) The caps of the entity
+- `id` (String) The ID of this resource.
+- `key` (String) The cephx key of the entity
+- `keyring` (String) The cephx keyring of the entity
+
+

docs/resources/auth.md

@@ -21,7 +21,7 @@ description: |-
 
 ### Optional
 
-- `caps` (Map of String) The caps wanted for the entity
+- `caps` (Map of String) The caps of the entity
 
 ### Read-Only
 

examples/simple/main.tf

@@ -27,3 +27,10 @@ resource "ceph_auth" "test" {
         ceph_wait_online.test
     ]
 }
+
+data "ceph_auth" "test-data" {
+    entity = "client.test"
+    depends_on = [
+        ceph_auth.test
+    ]
+}