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block_fastly_service_v1_blobstoragelogging.go
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block_fastly_service_v1_blobstoragelogging.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 BlobStorageLoggingServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceBlobStorageLogging(sa ServiceMetadata) ServiceAttributeDefinition {
return &BlobStorageLoggingServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "blobstoragelogging",
serviceMetadata: sa,
},
}
}
func (h *BlobStorageLoggingServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
obsl, nbsl := d.GetChange(h.GetKey())
if obsl == nil {
obsl = new(schema.Set)
}
if nbsl == nil {
nbsl = new(schema.Set)
}
oldSet := obsl.(*schema.Set)
newSet := nbsl.(*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.DeleteBlobStorageInput{
ServiceID: d.Id(),
ServiceVersion: latestVersion,
Name: resource["name"].(string),
}
log.Printf("[DEBUG] Blob Storage logging removal opts: %#v", opts)
err := conn.DeleteBlobStorage(&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("blobstoragelogging")` in this case.
if v, ok := resource["name"]; !ok || v.(string) == "" {
continue
}
var vla = h.getVCLLoggingAttributes(resource)
opts := gofastly.CreateBlobStorageInput{
ServiceID: d.Id(),
ServiceVersion: latestVersion,
Name: resource["name"].(string),
Path: resource["path"].(string),
AccountName: resource["account_name"].(string),
Container: resource["container"].(string),
SASToken: resource["sas_token"].(string),
Period: uint(resource["period"].(int)),
TimestampFormat: resource["timestamp_format"].(string),
GzipLevel: uint(resource["gzip_level"].(int)),
PublicKey: resource["public_key"].(string),
MessageType: resource["message_type"].(string),
Format: vla.format,
FormatVersion: uintOrDefault(vla.formatVersion),
Placement: vla.placement,
ResponseCondition: vla.responseCondition,
FileMaxBytes: uint(resource["file_max_bytes"].(int)),
CompressionCodec: resource["compression_codec"].(string),
}
log.Printf("[DEBUG] Blob Storage logging create opts: %#v", opts)
_, err := conn.CreateBlobStorage(&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.UpdateBlobStorageInput{
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["path"]; ok {
opts.Path = gofastly.String(v.(string))
}
if v, ok := modified["account_name"]; ok {
opts.AccountName = gofastly.String(v.(string))
}
if v, ok := modified["container"]; ok {
opts.Container = gofastly.String(v.(string))
}
if v, ok := modified["sas_token"]; ok {
opts.SASToken = gofastly.String(v.(string))
}
if v, ok := modified["period"]; ok {
opts.Period = gofastly.Uint(uint(v.(int)))
}
if v, ok := modified["timestamp_format"]; ok {
opts.TimestampFormat = gofastly.String(v.(string))
}
if v, ok := modified["compression_codec"]; ok {
opts.CompressionCodec = gofastly.String(v.(string))
}
if v, ok := modified["gzip_level"]; ok {
opts.GzipLevel = gofastly.Uint(uint(v.(int)))
}
if v, ok := modified["public_key"]; ok {
opts.PublicKey = 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["message_type"]; ok {
opts.MessageType = gofastly.String(v.(string))
}
if v, ok := modified["placement"]; ok {
opts.Placement = gofastly.String(v.(string))
}
if v, ok := modified["response_condition"]; ok {
opts.ResponseCondition = gofastly.String(v.(string))
}
if v, ok := modified["file_max_bytes"]; ok {
opts.FileMaxBytes = gofastly.Uint(uint(v.(int)))
}
log.Printf("[DEBUG] Update Blob Storage Opts: %#v", opts)
_, err := conn.UpdateBlobStorage(&opts)
if err != nil {
return err
}
}
return nil
}
func (h *BlobStorageLoggingServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
log.Printf("[DEBUG] Refreshing Blob Storages for (%s)", d.Id())
blobStorageList, err := conn.ListBlobStorages(&gofastly.ListBlobStoragesInput{
ServiceID: d.Id(),
ServiceVersion: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up Blob Storages for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
bsl := flattenBlobStorages(blobStorageList)
for _, element := range bsl {
element = h.pruneVCLLoggingAttributes(element)
}
if err := d.Set(h.GetKey(), bsl); err != nil {
log.Printf("[WARN] Error setting Blob Storages for (%s): %s", d.Id(), err)
}
return nil
}
func (h *BlobStorageLoggingServiceAttributeHandler) 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 the Azure Blob Storage endpoint. It is important to note that changing this attribute will delete and recreate the resource",
},
"account_name": {
Type: schema.TypeString,
Required: true,
Description: "The unique Azure Blob Storage namespace in which your data objects are stored",
},
"container": {
Type: schema.TypeString,
Required: true,
Description: "The name of the Azure Blob Storage container in which to store logs",
},
"sas_token": {
Type: schema.TypeString,
Required: true,
DefaultFunc: schema.EnvDefaultFunc("FASTLY_AZURE_SHARED_ACCESS_SIGNATURE", ""),
Description: "The Azure shared access signature providing write access to the blob service objects. Be sure to update your token before it expires or the logging functionality will not work",
Sensitive: true,
},
// Optional fields
"path": {
Type: schema.TypeString,
Optional: true,
Description: "The path to upload logs to. Must end with a trailing slash. If this field is left empty, the files will be saved in the container's root path",
},
"period": {
Type: schema.TypeInt,
Optional: true,
Default: 3600,
Description: "How frequently the logs should be transferred in seconds. Default `3600`",
},
"timestamp_format": {
Type: schema.TypeString,
Optional: true,
Default: "%Y-%m-%dT%H:%M:%S.000",
Description: "`strftime` specified timestamp formatting. Default `%Y-%m-%dT%H:%M:%S.000`",
},
"gzip_level": {
Type: schema.TypeInt,
Optional: true,
Default: 0,
Description: "Level of Gzip compression from `0-9`. `0` means no compression. `1` is the fastest and the least compressed version, `9` is the slowest and the most compressed version. Default `0`",
},
"public_key": {
Type: schema.TypeString,
Optional: true,
Description: "A 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,
},
"message_type": {
Type: schema.TypeString,
Optional: true,
Default: "classic",
Description: "How the message should be formatted. Can be either `classic`, `loggly`, `logplex` or `blank`. Default `classic`",
ValidateDiagFunc: validateLoggingMessageType(),
},
"file_max_bytes": {
Type: schema.TypeInt,
Optional: true,
Description: "Maximum size of an uploaded log file, if non-zero.",
},
"compression_codec": {
Type: schema.TypeString,
Optional: true,
Description: `The codec used for compression of your logs. Valid values are zstd, snappy, and gzip. If the specified codec is "gzip", gzip_level will default to 3. To specify a different level, leave compression_codec blank and explicitly set the level using gzip_level. Specifying both compression_codec and gzip_level in the same API request will result in an error.`,
ValidateDiagFunc: validateLoggingCompressionCodec(),
},
}
if h.GetServiceMetadata().serviceType == ServiceTypeVCL {
blockAttributes["format"] = &schema.Schema{
Type: schema.TypeString,
Optional: true,
Default: "%h %l %u %t \"%r\" %>s %b",
Description: "Apache-style string or VCL variables to use for log formatting (default: `%h %l %u %t \"%r\" %>s %b`)",
}
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
}
func flattenBlobStorages(blobStorageList []*gofastly.BlobStorage) []map[string]interface{} {
var bsl []map[string]interface{}
for _, bs := range blobStorageList {
// Convert Blob Storages to a map for saving to state.
nbs := map[string]interface{}{
"name": bs.Name,
"path": bs.Path,
"account_name": bs.AccountName,
"container": bs.Container,
"sas_token": bs.SASToken,
"period": bs.Period,
"timestamp_format": bs.TimestampFormat,
"gzip_level": bs.GzipLevel,
"public_key": bs.PublicKey,
"format": bs.Format,
"format_version": bs.FormatVersion,
"message_type": bs.MessageType,
"placement": bs.Placement,
"response_condition": bs.ResponseCondition,
"file_max_bytes": bs.FileMaxBytes,
"compression_codec": bs.CompressionCodec,
}
// prune any empty values that come from the default string value in structs
for k, v := range nbs {
if v == "" {
delete(nbs, k)
}
}
bsl = append(bsl, nbs)
}
return bsl
}