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block_fastly_service_v1_bigquerylogging.go
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block_fastly_service_v1_bigquerylogging.go
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package fastly
import (
"fmt"
"log"
gofastly "github.com/fastly/go-fastly/v3/fastly"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
type BigQueryLoggingServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceBigQueryLogging(sa ServiceMetadata) ServiceAttributeDefinition {
return &BigQueryLoggingServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "bigquerylogging",
serviceMetadata: sa,
},
}
}
func (h *BigQueryLoggingServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
os, ns := d.GetChange(h.GetKey())
if os == nil {
os = new(schema.Set)
}
if ns == nil {
ns = new(schema.Set)
}
oldSet := os.(*schema.Set)
newSet := ns.(*schema.Set)
setDiff := NewSetDiff(func(resource interface{}) (interface{}, error) {
t, ok := resource.(map[string]interface{})
if !ok {
return nil, fmt.Errorf("resource failed to be type asserted: %+v", resource)
}
return t["name"], nil
})
diffResult, err := setDiff.Diff(oldSet, newSet)
if err != nil {
return err
}
// DELETE removed resources
for _, resource := range diffResult.Deleted {
resource := resource.(map[string]interface{})
opts := gofastly.DeleteBigQueryInput{
ServiceID: d.Id(),
ServiceVersion: latestVersion,
Name: resource["name"].(string),
}
log.Printf("[DEBUG] Fastly bigquerylogging removal opts: %#v", opts)
err := conn.DeleteBigQuery(&opts)
if errRes, ok := err.(*gofastly.HTTPError); ok {
if errRes.StatusCode != 404 {
return err
}
} else if err != nil {
return err
}
}
// CREATE new resources
for _, resource := range diffResult.Added {
resource := resource.(map[string]interface{})
// @HACK for a TF SDK Issue.
//
// This ensures that the required, `name`, field is present.
//
// If we have made it this far and `name` is not present, it is most-likely due
// to a defunct diff as noted here - https://github.com/hashicorp/terraform-plugin-sdk/issues/160#issuecomment-522935697.
//
// This is caused by using a StateFunc in a nested TypeSet. While the StateFunc
// properly handles setting state with the StateFunc, it returns extra entries
// during state Gets, specifically `GetChange("bigquerylogging")` in this case.
if v, ok := resource["name"]; !ok || v.(string) == "" {
continue
}
var vla = h.getVCLLoggingAttributes(resource)
opts := gofastly.CreateBigQueryInput{
ServiceID: d.Id(),
ServiceVersion: latestVersion,
Name: resource["name"].(string),
ProjectID: resource["project_id"].(string),
Dataset: resource["dataset"].(string),
Table: resource["table"].(string),
User: resource["email"].(string),
SecretKey: resource["secret_key"].(string),
Template: resource["template"].(string),
ResponseCondition: vla.responseCondition,
Placement: vla.placement,
}
if vla.format != "" {
opts.Format = vla.format
}
log.Printf("[DEBUG] Create bigquerylogging opts: %#v", opts)
_, err := conn.CreateBigQuery(&opts)
if err != nil {
return err
}
}
// UPDATE modified resources
//
// NOTE: although the go-fastly API client enables updating of a resource by
// its 'name' attribute, this isn't possible within terraform due to
// constraints in the data model/schema of the resources not having a uid.
for _, resource := range diffResult.Modified {
resource := resource.(map[string]interface{})
opts := gofastly.UpdateBigQueryInput{
ServiceID: d.Id(),
ServiceVersion: latestVersion,
Name: resource["name"].(string),
}
// only attempt to update attributes that have changed
modified := setDiff.Filter(resource, oldSet)
// NOTE: where we transition between interface{} we lose the ability to
// infer the underlying type being either a uint vs an int. This
// materializes as a panic (yay) and so it's only at runtime we discover
// this and so we've updated the below code to convert the type asserted
// int into a uint before passing the value to gofastly.Uint().
if v, ok := modified["project_id"]; ok {
opts.ProjectID = gofastly.String(v.(string))
}
if v, ok := modified["dataset"]; ok {
opts.Dataset = gofastly.String(v.(string))
}
if v, ok := modified["table"]; ok {
opts.Table = gofastly.String(v.(string))
}
if v, ok := modified["template_suffix"]; ok {
opts.Template = gofastly.String(v.(string))
}
if v, ok := modified["user"]; ok {
opts.User = gofastly.String(v.(string))
}
if v, ok := modified["secret_key"]; ok {
opts.SecretKey = gofastly.String(v.(string))
}
if v, ok := modified["format"]; ok {
opts.Format = gofastly.String(v.(string))
}
if v, ok := modified["response_condition"]; ok {
opts.ResponseCondition = gofastly.String(v.(string))
}
if v, ok := modified["placement"]; ok {
opts.Placement = gofastly.String(v.(string))
}
if v, ok := modified["format_version"]; ok {
opts.FormatVersion = gofastly.Uint(uint(v.(int)))
}
log.Printf("[DEBUG] Update BigQuery Opts: %#v", opts)
_, err := conn.UpdateBigQuery(&opts)
if err != nil {
return err
}
}
return nil
}
func (h *BigQueryLoggingServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
log.Printf("[DEBUG] Refreshing BigQuery for (%s)", d.Id())
BQList, err := conn.ListBigQueries(&gofastly.ListBigQueriesInput{
ServiceID: d.Id(),
ServiceVersion: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up BigQuery logging for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
bql := flattenBigQuery(BQList)
for _, element := range bql {
element = h.pruneVCLLoggingAttributes(element)
}
if err := d.Set(h.GetKey(), bql); err != nil {
log.Printf("[WARN] Error setting bigquerylogging for (%s): %s", d.Id(), err)
}
return nil
}
func (h *BigQueryLoggingServiceAttributeHandler) Register(s *schema.Resource) error {
var blockAttributes = map[string]*schema.Schema{
// Required fields
"name": {
Type: schema.TypeString,
Required: true,
Description: "A unique name to identify this BigQuery logging endpoint. It is important to note that changing this attribute will delete and recreate the resource",
},
"project_id": {
Type: schema.TypeString,
Required: true,
Description: "The ID of your GCP project",
},
"dataset": {
Type: schema.TypeString,
Required: true,
Description: "The ID of your BigQuery dataset",
},
"table": {
Type: schema.TypeString,
Required: true,
Description: "The ID of your BigQuery table",
},
"email": {
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("FASTLY_BQ_EMAIL", ""),
Description: "The email for the service account with write access to your BigQuery dataset. If not provided, this will be pulled from a `FASTLY_BQ_EMAIL` environment variable",
Sensitive: true,
},
"secret_key": {
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("FASTLY_BQ_SECRET_KEY", ""),
Description: "The secret key associated with the service account that has write access to your BigQuery table. If not provided, this will be pulled from the `FASTLY_BQ_SECRET_KEY` environment variable. Typical format for this is a private key in a string with newlines",
Sensitive: true,
// Related issue for weird behavior - https://github.com/hashicorp/terraform-plugin-sdk/issues/160
StateFunc: trimSpaceStateFunc,
},
// Optional fields
"template": {
Type: schema.TypeString,
Optional: true,
Default: "",
Description: "BigQuery table name suffix template",
},
}
if h.GetServiceMetadata().serviceType == ServiceTypeVCL {
blockAttributes["format"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "The logging format desired.",
Default: "%h %l %u %t \"%r\" %>s %b",
}
blockAttributes["response_condition"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "",
Description: "Name of a condition to apply this logging.",
}
blockAttributes["placement"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Where in the generated VCL the logging call should be placed.",
ValidateDiagFunc: validateLoggingPlacement(),
}
}
s.Schema[h.GetKey()] = &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: blockAttributes,
},
}
return nil
}
func flattenBigQuery(bqList []*gofastly.BigQuery) []map[string]interface{} {
var BQList []map[string]interface{}
for _, currentBQ := range bqList {
// Convert gcs to a map for saving to state.
BQMapString := map[string]interface{}{
"name": currentBQ.Name,
"format": currentBQ.Format,
"email": currentBQ.User,
"secret_key": currentBQ.SecretKey,
"project_id": currentBQ.ProjectID,
"dataset": currentBQ.Dataset,
"table": currentBQ.Table,
"response_condition": currentBQ.ResponseCondition,
"template": currentBQ.Template,
"placement": currentBQ.Placement,
}
// prune any empty values that come from the default string value in structs
for k, v := range BQMapString {
if v == "" {
delete(BQMapString, k)
}
}
BQList = append(BQList, BQMapString)
}
return BQList
}