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block_fastly_service_v1_logging_googlepubsub.go
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block_fastly_service_v1_logging_googlepubsub.go
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package fastly
import (
"fmt"
"log"
"github.com/fastly/go-fastly/v2/fastly"
gofastly "github.com/fastly/go-fastly/v2/fastly"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
)
type GooglePubSubServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceLoggingGooglePubSub(sa ServiceMetadata) ServiceAttributeDefinition {
return &GooglePubSubServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "logging_googlepubsub",
serviceMetadata: sa,
},
}
}
func (h *GooglePubSubServiceAttributeHandler) Register(s *schema.Resource) error {
var blockAttributes = map[string]*schema.Schema{
// Required fields
"name": {
Type: schema.TypeString,
Required: true,
Description: "The unique name of the Google Cloud Pub/Sub logging endpoint.",
},
"user": {
Type: schema.TypeString,
Required: true,
Description: "Your Google Cloud Platform service account email address. The client_email field in your service account authentication JSON. ",
},
"secret_key": {
Type: schema.TypeString,
Required: true,
Description: "Your Google Cloud Platform account secret key. The private_key field in your service account authentication JSON.",
},
"project_id": {
Type: schema.TypeString,
Required: true,
Description: "The ID of your Google Cloud Platform project.",
},
"topic": {
Type: schema.TypeString,
Required: true,
Description: "The Google Cloud Pub/Sub topic to which logs will be published.",
},
}
if h.GetServiceMetadata().serviceType == ServiceTypeVCL {
blockAttributes["format"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Apache style log formatting.",
}
blockAttributes["format_version"] = &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Default: 2,
Description: "The version of the custom logging format used for the configured endpoint. Can be either 1 or 2. (default: 2).",
ValidateFunc: validateLoggingFormatVersion(),
}
blockAttributes["placement"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Where in the generated VCL the logging call should be placed.",
ValidateFunc: validateLoggingPlacement(),
}
blockAttributes["response_condition"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "The name of an existing condition in the configured endpoint, or leave blank to always execute.",
}
}
s.Schema[h.GetKey()] = &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: blockAttributes,
},
}
return nil
}
func (h *GooglePubSubServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
serviceID := d.Id()
oldLogCfg, newLogCfg := d.GetChange(h.GetKey())
if oldLogCfg == nil {
oldLogCfg = new(schema.Set)
}
if newLogCfg == nil {
newLogCfg = new(schema.Set)
}
oldLogSet := oldLogCfg.(*schema.Set)
newLogSet := newLogCfg.(*schema.Set)
removeGooglePubSubLogging := oldLogSet.Difference(newLogSet).List()
addGooglePubSubLogging := newLogSet.Difference(oldLogSet).List()
// DELETE old Google Cloud Pub/Sub logging endpoints.
for _, oRaw := range removeGooglePubSubLogging {
of := oRaw.(map[string]interface{})
opts := h.buildDelete(of, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly Google Cloud Pub/Sub logging endpoint removal opts: %#v", opts)
if err := deleteGooglePubSub(conn, opts); err != nil {
return err
}
}
// POST new/updated Google Cloud Pub/Sub logging endponts.
for _, nRaw := range addGooglePubSubLogging {
cfg := nRaw.(map[string]interface{})
opts := h.buildCreate(cfg, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly Google Cloud Pub/Sub logging addition opts: %#v", opts)
if err := createGooglePubSub(conn, opts); err != nil {
return err
}
}
return nil
}
func (h *GooglePubSubServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
// Refresh Google Cloud Pub/Sub logging endpoints.
log.Printf("[DEBUG] Refreshing Google Cloud Pub/Sub logging endpoints for (%s)", d.Id())
googlepubsubList, err := conn.ListPubsubs(&gofastly.ListPubsubsInput{
Service: d.Id(),
Version: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up Google Cloud Pub/Sub logging endpoints for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
googlepubsubLogList := flattenGooglePubSub(googlepubsubList)
if err := d.Set(h.GetKey(), googlepubsubLogList); err != nil {
log.Printf("[WARN] Error setting Google Cloud Pub/Sublogging endpoints for (%s): %s", d.Id(), err)
}
return nil
}
func createGooglePubSub(conn *gofastly.Client, i *gofastly.CreatePubsubInput) error {
_, err := conn.CreatePubsub(i)
return err
}
func deleteGooglePubSub(conn *gofastly.Client, i *gofastly.DeletePubsubInput) error {
err := conn.DeletePubsub(i)
errRes, ok := err.(*gofastly.HTTPError)
if !ok {
return err
}
// 404 response codes don't result in an error propagating because a 404 could
// indicate that a resource was deleted elsewhere.
if !errRes.IsNotFound() {
return err
}
return nil
}
func flattenGooglePubSub(googlepubsubList []*gofastly.Pubsub) []map[string]interface{} {
var flattened []map[string]interface{}
for _, s := range googlepubsubList {
// Convert logging to a map for saving to state.
flatGooglePubSub := map[string]interface{}{
"name": s.Name,
"user": s.User,
"secret_key": s.SecretKey,
"project_id": s.ProjectID,
"topic": s.Topic,
"format": s.Format,
"format_version": s.FormatVersion,
"placement": s.Placement,
"response_condition": s.ResponseCondition,
}
// Prune any empty values that come from the default string value in structs.
for k, v := range flatGooglePubSub {
if v == "" {
delete(flatGooglePubSub, k)
}
}
flattened = append(flattened, flatGooglePubSub)
}
return flattened
}
func (h *GooglePubSubServiceAttributeHandler) buildCreate(googlepubsubMap interface{}, serviceID string, serviceVersion int) *gofastly.CreatePubsubInput {
df := googlepubsubMap.(map[string]interface{})
var vla = h.getVCLLoggingAttributes(df)
return &gofastly.CreatePubsubInput{
Service: serviceID,
Version: serviceVersion,
Name: fastly.NullString(df["name"].(string)),
User: fastly.NullString(df["user"].(string)),
SecretKey: fastly.NullString(df["secret_key"].(string)),
ProjectID: fastly.NullString(df["project_id"].(string)),
Topic: fastly.NullString(df["topic"].(string)),
Format: gofastly.NullString(vla.format),
FormatVersion: vla.formatVersion,
Placement: gofastly.NullString(vla.placement),
ResponseCondition: gofastly.NullString(vla.responseCondition),
}
}
func (h *GooglePubSubServiceAttributeHandler) buildDelete(googlepubsubMap interface{}, serviceID string, serviceVersion int) *gofastly.DeletePubsubInput {
df := googlepubsubMap.(map[string]interface{})
return &gofastly.DeletePubsubInput{
Service: serviceID,
Version: serviceVersion,
Name: df["name"].(string),
}
}