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block_fastly_service_v1_logging_ftp.go
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block_fastly_service_v1_logging_ftp.go
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package fastly
import (
"fmt"
"log"
gofastly "github.com/fastly/go-fastly/fastly"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
)
type FTPServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceLoggingFTP(sa ServiceMetadata) ServiceAttributeDefinition {
return &FTPServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "logging_ftp",
serviceMetadata: sa,
},
}
}
func (h *FTPServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
serviceID := d.Id()
of, nf := d.GetChange(h.GetKey())
if of == nil {
of = new(schema.Set)
}
if nf == nil {
nf = new(schema.Set)
}
ofs := of.(*schema.Set)
nfs := nf.(*schema.Set)
removeFTPLogging := ofs.Difference(nfs).List()
addFTPLogging := nfs.Difference(ofs).List()
// DELETE old FTP logging endpoints.
for _, oRaw := range removeFTPLogging {
of := oRaw.(map[string]interface{})
opts := h.buildDelete(of, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly FTP logging endpoint removal opts: %#v", opts)
if err := deleteFTP(conn, opts); err != nil {
return err
}
}
// POST new/updated FTP logging endpoints.
for _, nRaw := range addFTPLogging {
ef := nRaw.(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("logging_ftp")` in this case.
if v, ok := ef["name"]; !ok || v.(string) == "" {
continue
}
opts := h.buildCreate(ef, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly FTP logging addition opts: %#v", opts)
if err := createFTP(conn, opts); err != nil {
return err
}
}
return nil
}
func (h *FTPServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
// Refresh FTP.
log.Printf("[DEBUG] Refreshing FTP logging endpoints for (%s)", d.Id())
ftpList, err := conn.ListFTPs(&gofastly.ListFTPsInput{
Service: d.Id(),
Version: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up FTP logging endpoints for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
ell := flattenFTP(ftpList)
if err := d.Set(h.GetKey(), ell); err != nil {
log.Printf("[WARN] Error setting FTP logging endpoints for (%s): %s", d.Id(), err)
}
return nil
}
func (h *FTPServiceAttributeHandler) 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 FTP logging endpoint.",
},
"address": {
Type: schema.TypeString,
Required: true,
Description: "The FTP URL to stream logs to.",
},
"user": {
Type: schema.TypeString,
Required: true,
Description: "The username for the server (can be anonymous).",
},
"password": {
Type: schema.TypeString,
Required: true,
Description: "The password for the server (for anonymous use an email address).",
Sensitive: true,
},
"path": {
Type: schema.TypeString,
Required: true,
Description: "The path to upload log files to. If the path ends in / then it is treated as blockAttributes directory.",
},
// Optional fields
"port": {
Type: schema.TypeInt,
Optional: true,
Default: 21,
Description: "The port number.",
},
"period": {
Type: schema.TypeInt,
Optional: true,
Default: 3600,
Description: "How frequently the logs should be transferred, in seconds (Default 3600).",
},
"public_key": {
Type: schema.TypeString,
Optional: true,
Description: "The PGP public key that Fastly will use to encrypt your log files before writing them to disk.",
// Related issue for weird behavior - https://github.com/hashicorp/terraform-plugin-sdk/issues/160
StateFunc: trimSpaceStateFunc,
},
"gzip_level": {
Type: schema.TypeInt,
Optional: true,
Default: 0,
Description: "Gzip Compression level.",
},
"timestamp_format": {
Type: schema.TypeString,
Optional: true,
Default: "%Y-%m-%dT%H:%M:%S.000",
Description: "specified timestamp formatting (default `%Y-%m-%dT%H:%M:%S.000`).",
},
"message_type": {
Type: schema.TypeString,
Optional: true,
Default: "classic",
Description: "How the message should be formatted (default: `classic`)",
ValidateFunc: validateLoggingMessageType(),
},
}
if h.GetServiceMetadata().serviceType == ServiceTypeVCL {
blockAttributes["format"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Description: "Apache-style string or VCL variables to use for 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 the condition to apply.",
}
}
s.Schema[h.GetKey()] = &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Elem: &schema.Resource{
Schema: blockAttributes,
},
}
return nil
}
func createFTP(conn *gofastly.Client, i *gofastly.CreateFTPInput) error {
_, err := conn.CreateFTP(i)
return err
}
func deleteFTP(conn *gofastly.Client, i *gofastly.DeleteFTPInput) error {
err := conn.DeleteFTP(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 flattenFTP(ftpList []*gofastly.FTP) []map[string]interface{} {
var fsl []map[string]interface{}
for _, fl := range ftpList {
// Convert FTP logging to a map for saving to state.
nfl := map[string]interface{}{
"name": fl.Name,
"address": fl.Address,
"user": fl.Username,
"password": fl.Password,
"path": fl.Path,
"port": fl.Port,
"period": fl.Period,
"public_key": fl.PublicKey,
"gzip_level": fl.GzipLevel,
"timestamp_format": fl.TimestampFormat,
"format": fl.Format,
"format_version": fl.FormatVersion,
"message_type": fl.MessageType,
"placement": fl.Placement,
"response_condition": fl.ResponseCondition,
}
// Prune any empty values that come from the default string value in structs.
for k, v := range nfl {
if v == "" {
delete(nfl, k)
}
}
fsl = append(fsl, nfl)
}
return fsl
}
func (h *FTPServiceAttributeHandler) buildCreate(ftpMap interface{}, serviceID string, serviceVersion int) *gofastly.CreateFTPInput {
df := ftpMap.(map[string]interface{})
var vla = h.getVCLLoggingAttributes(df)
return &gofastly.CreateFTPInput{
Service: serviceID,
Version: serviceVersion,
Name: df["name"].(string),
Address: df["address"].(string),
Username: df["user"].(string),
Password: df["password"].(string),
Path: df["path"].(string),
Port: uint(df["port"].(int)),
Period: uint(df["period"].(int)),
PublicKey: df["public_key"].(string),
GzipLevel: uint8(df["gzip_level"].(int)),
TimestampFormat: df["timestamp_format"].(string),
MessageType: df["message_type"].(string),
Format: vla.format,
FormatVersion: uintOrDefault(vla.formatVersion),
Placement: vla.placement,
ResponseCondition: vla.responseCondition,
}
}
func (h *FTPServiceAttributeHandler) buildDelete(ftpMap interface{}, serviceID string, serviceVersion int) *gofastly.DeleteFTPInput {
df := ftpMap.(map[string]interface{})
return &gofastly.DeleteFTPInput{
Service: serviceID,
Version: serviceVersion,
Name: df["name"].(string),
}
}