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resource_role.go
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resource_role.go
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package chef
import (
"encoding/json"
"fmt"
"github.com/hashicorp/terraform/helper/schema"
chefc "github.com/go-chef/chef"
)
func resourceChefRole() *schema.Resource {
return &schema.Resource{
Create: CreateRole,
Update: UpdateRole,
Read: ReadRole,
Delete: DeleteRole,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"description": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "Managed by Terraform",
},
"default_attributes_json": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "{}",
StateFunc: jsonStateFunc,
},
"override_attributes_json": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "{}",
StateFunc: jsonStateFunc,
},
"run_list": &schema.Schema{
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{
Type: schema.TypeString,
StateFunc: runListEntryStateFunc,
},
},
},
}
}
func CreateRole(d *schema.ResourceData, meta interface{}) error {
client := meta.(*chefc.Client)
role, err := roleFromResourceData(d)
if err != nil {
return err
}
_, err = client.Roles.Create(role)
if err != nil {
return err
}
d.SetId(role.Name)
return ReadRole(d, meta)
}
func UpdateRole(d *schema.ResourceData, meta interface{}) error {
client := meta.(*chefc.Client)
role, err := roleFromResourceData(d)
if err != nil {
return err
}
_, err = client.Roles.Put(role)
if err != nil {
return err
}
d.SetId(role.Name)
return ReadRole(d, meta)
}
func ReadRole(d *schema.ResourceData, meta interface{}) error {
client := meta.(*chefc.Client)
name := d.Id()
role, err := client.Roles.Get(name)
if err != nil {
if errRes, ok := err.(*chefc.ErrorResponse); ok {
if errRes.Response.StatusCode == 404 {
d.SetId("")
return nil
}
} else {
return err
}
}
d.Set("name", role.Name)
d.Set("description", role.Description)
defaultAttrJson, err := json.Marshal(role.DefaultAttributes)
if err != nil {
return err
}
d.Set("default_attributes_json", defaultAttrJson)
overrideAttrJson, err := json.Marshal(role.OverrideAttributes)
if err != nil {
return err
}
d.Set("override_attributes_json", overrideAttrJson)
runListI := make([]interface{}, len(role.RunList))
for i, v := range role.RunList {
runListI[i] = v
}
d.Set("run_list", runListI)
return nil
}
func DeleteRole(d *schema.ResourceData, meta interface{}) error {
client := meta.(*chefc.Client)
name := d.Id()
// For some reason Roles.Delete is not exposed by the
// underlying client library, so we have to do this manually.
path := fmt.Sprintf("roles/%s", name)
httpReq, err := client.NewRequest("DELETE", path, nil)
if err != nil {
return err
}
_, err = client.Do(httpReq, nil)
if err == nil {
d.SetId("")
}
return err
}
func roleFromResourceData(d *schema.ResourceData) (*chefc.Role, error) {
role := &chefc.Role{
Name: d.Get("name").(string),
Description: d.Get("description").(string),
ChefType: "role",
}
var err error
err = json.Unmarshal(
[]byte(d.Get("default_attributes_json").(string)),
&role.DefaultAttributes,
)
if err != nil {
return nil, fmt.Errorf("default_attributes_json: %s", err)
}
err = json.Unmarshal(
[]byte(d.Get("override_attributes_json").(string)),
&role.OverrideAttributes,
)
if err != nil {
return nil, fmt.Errorf("override_attributes_json: %s", err)
}
runListI := d.Get("run_list").([]interface{})
role.RunList = make([]string, len(runListI))
for i, vI := range runListI {
role.RunList[i] = vI.(string)
}
return role, nil
}