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block_fastly_service_v1_logging_newrelic.go
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block_fastly_service_v1_logging_newrelic.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 NewRelicServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceLoggingNewRelic(sa ServiceMetadata) ServiceAttributeDefinition {
return &NewRelicServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "logging_newrelic",
serviceMetadata: sa,
},
}
}
func (h *NewRelicServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
serviceID := d.Id()
od, nd := d.GetChange(h.GetKey())
if od == nil {
od = new(schema.Set)
}
if nd == nil {
nd = new(schema.Set)
}
oldSet := od.(*schema.Set)
newSet := nd.(*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 := h.buildDelete(resource, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly New Relic logging endpoint removal opts: %#v", opts)
if err := deleteNewRelic(conn, opts); err != nil {
return err
}
}
// CREATE new resources
for _, resource := range diffResult.Added {
resource := resource.(map[string]interface{})
opts := h.buildCreate(resource, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly New Relic logging addition opts: %#v", opts)
if err := createNewRelic(conn, opts); 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.UpdateNewRelicInput{
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["token"]; ok {
opts.Token = gofastly.String(v.(string))
}
if v, ok := modified["format"]; ok {
opts.Format = gofastly.String(v.(string))
}
if v, ok := modified["format_version"]; ok {
opts.FormatVersion = gofastly.Uint(uint(v.(int)))
}
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))
}
log.Printf("[DEBUG] Update New Relic Opts: %#v", opts)
_, err := conn.UpdateNewRelic(&opts)
if err != nil {
return err
}
}
return nil
}
func (h *NewRelicServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
// Refresh NewRelic.
log.Printf("[DEBUG] Refreshing New Relic logging endpoints for (%s)", d.Id())
newrelicList, err := conn.ListNewRelic(&gofastly.ListNewRelicInput{
ServiceID: d.Id(),
ServiceVersion: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up New Relic logging endpoints for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
dll := flattenNewRelic(newrelicList)
for _, element := range dll {
element = h.pruneVCLLoggingAttributes(element)
}
if err := d.Set(h.GetKey(), dll); err != nil {
log.Printf("[WARN] Error setting New Relic logging endpoints for (%s): %s", d.Id(), err)
}
return nil
}
func createNewRelic(conn *gofastly.Client, i *gofastly.CreateNewRelicInput) error {
_, err := conn.CreateNewRelic(i)
return err
}
func deleteNewRelic(conn *gofastly.Client, i *gofastly.DeleteNewRelicInput) error {
err := conn.DeleteNewRelic(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 flattenNewRelic(newrelicList []*gofastly.NewRelic) []map[string]interface{} {
var dsl []map[string]interface{}
for _, dl := range newrelicList {
// Convert NewRelic logging to a map for saving to state.
ndl := map[string]interface{}{
"name": dl.Name,
"token": dl.Token,
"format": dl.Format,
"format_version": dl.FormatVersion,
"placement": dl.Placement,
"response_condition": dl.ResponseCondition,
}
// Prune any empty values that come from the default string value in structs.
for k, v := range ndl {
if v == "" {
delete(ndl, k)
}
}
dsl = append(dsl, ndl)
}
return dsl
}
func (h *NewRelicServiceAttributeHandler) buildCreate(newrelicMap interface{}, serviceID string, serviceVersion int) *gofastly.CreateNewRelicInput {
df := newrelicMap.(map[string]interface{})
var vla = h.getVCLLoggingAttributes(df)
return &gofastly.CreateNewRelicInput{
ServiceID: serviceID,
ServiceVersion: serviceVersion,
Name: df["name"].(string),
Token: df["token"].(string),
Format: vla.format,
FormatVersion: uintOrDefault(vla.formatVersion),
Placement: vla.placement,
ResponseCondition: vla.responseCondition,
}
}
func (h *NewRelicServiceAttributeHandler) buildDelete(newrelicMap interface{}, serviceID string, serviceVersion int) *gofastly.DeleteNewRelicInput {
df := newrelicMap.(map[string]interface{})
return &gofastly.DeleteNewRelicInput{
ServiceID: serviceID,
ServiceVersion: serviceVersion,
Name: df["name"].(string),
}
}
func (h *NewRelicServiceAttributeHandler) 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 New Relic logging endpoint. It is important to note that changing this attribute will delete and recreate the resource",
},
"token": {
Type: schema.TypeString,
Required: true,
Sensitive: true,
Description: "The Insert API key from the Account page of your New Relic account",
},
}
if h.GetServiceMetadata().serviceType == ServiceTypeVCL {
blockAttributes["format"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Apache style log formatting. Your log must produce valid JSON that New Relic Logs can ingest.",
}
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`).",
ValidateDiagFunc: validateLoggingFormatVersion(),
}
blockAttributes["placement"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Where in the generated VCL the logging call should be placed.",
ValidateDiagFunc: validateLoggingPlacement(),
}
blockAttributes["response_condition"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "The name of the condition to apply.",
}
}
s.Schema[h.GetKey()] = &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: blockAttributes,
},
}
return nil
}