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block_fastly_service_v1_dictionary.go
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block_fastly_service_v1_dictionary.go
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package fastly
import (
"context"
"fmt"
"log"
gofastly "github.com/fastly/go-fastly/v5/fastly"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
type DictionaryServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceDictionary(sa ServiceMetadata) ServiceAttributeDefinition {
return ToServiceAttributeDefinition(&DictionaryServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "dictionary",
serviceMetadata: sa,
},
})
}
func (h *DictionaryServiceAttributeHandler) Key() string { return h.key }
func (h *DictionaryServiceAttributeHandler) GetSchema() *schema.Schema {
return &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
// Required fields
"name": {
Type: schema.TypeString,
Required: true,
Description: "A unique name to identify this dictionary. It is important to note that changing this attribute will delete and recreate the dictionary, and discard the current items in the dictionary",
},
// Optional fields
"dictionary_id": {
Type: schema.TypeString,
Computed: true,
Description: "The ID of the dictionary",
},
"write_only": {
Type: schema.TypeBool,
Optional: true,
Default: false,
Description: "If `true`, the dictionary is a [private dictionary](https://docs.fastly.com/en/guides/private-dictionaries). Default is `false`. Please note that changing this attribute will delete and recreate the dictionary, and discard the current items in the dictionary. `fastly_service_v1` resource will only manage the dictionary object itself, and items under private dictionaries can not be managed using [`fastly_service_dictionary_items_v1`](https://registry.terraform.io/providers/fastly/fastly/latest/docs/resources/service_dictionary_items_v1#limitations) resource. Therefore, using a write-only/private dictionary should only be done if the items are managed outside of Terraform",
},
"force_destroy": {
Type: schema.TypeBool,
Default: false,
Optional: true,
Description: "Allow the dictionary to be deleted, even if it contains entries. Defaults to false.",
},
},
},
}
}
func (h *DictionaryServiceAttributeHandler) Create(_ context.Context, d *schema.ResourceData, resource map[string]interface {
}, serviceVersion int, conn *gofastly.Client) error {
opts, err := buildDictionary(resource)
if err != nil {
log.Printf("[DEBUG] Error building Dicitionary: %s", err)
return err
}
opts.ServiceID = d.Id()
opts.ServiceVersion = serviceVersion
log.Printf("[DEBUG] Fastly Dictionary Addition opts: %#v", opts)
_, err = conn.CreateDictionary(opts)
if err != nil {
return err
}
return nil
}
func (h *DictionaryServiceAttributeHandler) Read(_ context.Context, d *schema.ResourceData, _ map[string]interface{}, serviceVersion int, conn *gofastly.Client) error {
log.Printf("[DEBUG] Refreshing Dictionaries for (%s)", d.Id())
dictList, err := conn.ListDictionaries(&gofastly.ListDictionariesInput{
ServiceID: d.Id(),
ServiceVersion: serviceVersion,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up Dictionaries for (%s), version (%v): %s", d.Id(), serviceVersion, err)
}
dictionaries := flattenDictionaries(dictList)
// Match up force_destroy on each ACL from schema.ResourceData to avoid d.Set overwriting it with null
stateDicts := d.Get(h.GetKey()).(*schema.Set).List()
for _, dictionary := range dictionaries {
for _, sd := range stateDicts {
stateDict := sd.(map[string]interface{})
if dictionary["name"] == stateDict["name"] {
dictionary["force_destroy"] = stateDict["force_destroy"]
break
}
}
}
if err := d.Set(h.GetKey(), dictionaries); err != nil {
log.Printf("[WARN] Error setting Dictionary for (%s): %s", d.Id(), err)
}
return nil
}
func (h *DictionaryServiceAttributeHandler) Update(_ context.Context, _ *schema.ResourceData, _, _ map[string]interface {
}, _ int, _ *gofastly.Client) error {
return nil
}
func (h *DictionaryServiceAttributeHandler) Delete(_ context.Context, d *schema.ResourceData, resource map[string]interface {
}, serviceVersion int, conn *gofastly.Client) error {
if !resource["force_destroy"].(bool) {
mayDelete, err := isDictionaryEmpty(d.Id(), resource["dictionary_id"].(string), conn)
if err != nil {
return err
}
if !mayDelete {
return fmt.Errorf("Cannot delete dictionary (%s), it is not empty. Either delete the items first, or set force_destroy to true and apply it before making this change.", resource["dictionary_id"].(string))
}
}
opts := gofastly.DeleteDictionaryInput{
ServiceID: d.Id(),
ServiceVersion: serviceVersion,
Name: resource["name"].(string),
}
log.Printf("[DEBUG] Fastly Dictionary Removal opts: %#v", opts)
err := conn.DeleteDictionary(&opts)
if errRes, ok := err.(*gofastly.HTTPError); ok {
if errRes.StatusCode != 404 {
return err
}
} else if err != nil {
return err
}
return nil
}
func flattenDictionaries(dictList []*gofastly.Dictionary) []map[string]interface{} {
var dl []map[string]interface{}
for _, currentDict := range dictList {
dictMapString := map[string]interface{}{
"dictionary_id": currentDict.ID,
"name": currentDict.Name,
"write_only": currentDict.WriteOnly,
}
// prune any empty values that come from the default string value in structs
for k, v := range dictMapString {
if v == "" {
delete(dictMapString, k)
}
}
dl = append(dl, dictMapString)
}
return dl
}
func buildDictionary(dictMap interface{}) (*gofastly.CreateDictionaryInput, error) {
df := dictMap.(map[string]interface{})
opts := gofastly.CreateDictionaryInput{
Name: df["name"].(string),
WriteOnly: gofastly.Compatibool(df["write_only"].(bool)),
}
return &opts, nil
}
func isDictionaryEmpty(serviceID, dictID string, conn *gofastly.Client) (bool, error) {
items, err := conn.ListDictionaryItems(&gofastly.ListDictionaryItemsInput{
ServiceID: serviceID,
DictionaryID: dictID,
})
if err != nil {
return false, err
}
return len(items) == 0, nil
}