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block_fastly_service_v1_httpslogging.go
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block_fastly_service_v1_httpslogging.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"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
)
type HTTPSLoggingServiceAttributeHandler struct {
*DefaultServiceAttributeHandler
}
func NewServiceHTTPSLogging(sa ServiceMetadata) ServiceAttributeDefinition {
return &HTTPSLoggingServiceAttributeHandler{
&DefaultServiceAttributeHandler{
key: "httpslogging",
serviceMetadata: sa,
},
}
}
func (h *HTTPSLoggingServiceAttributeHandler) Process(d *schema.ResourceData, latestVersion int, conn *gofastly.Client) error {
serviceID := d.Id()
oh, nh := d.GetChange(h.GetKey())
if oh == nil {
oh = new(schema.Set)
}
if nh == nil {
nh = new(schema.Set)
}
oldSet := oh.(*schema.Set)
newSet := nh.(*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 HTTPS logging endpoint removal opts: %#v", opts)
if err := deleteHTTPS(conn, opts); err != nil {
return err
}
}
// CREATE new resources
for _, nRaw := range diffResult.Added {
hf := nRaw.(map[string]interface{})
opts := h.buildCreate(hf, serviceID, latestVersion)
log.Printf("[DEBUG] Fastly HTTPS logging addition opts: %#v", opts)
if err := createHTTPS(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.UpdateHTTPSInput{
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["response_condition"]; ok {
opts.ResponseCondition = gofastly.String(v.(string))
}
if v, ok := modified["format"]; ok {
opts.Format = gofastly.String(v.(string))
}
if v, ok := modified["url"]; ok {
opts.URL = gofastly.String(v.(string))
}
if v, ok := modified["request_max_entries"]; ok {
opts.RequestMaxEntries = gofastly.Uint(uint(v.(int)))
}
if v, ok := modified["request_max_bytes"]; ok {
opts.RequestMaxBytes = gofastly.Uint(uint(v.(int)))
}
if v, ok := modified["content_type"]; ok {
opts.ContentType = gofastly.String(v.(string))
}
if v, ok := modified["header_name"]; ok {
opts.HeaderName = gofastly.String(v.(string))
}
if v, ok := modified["header_value"]; ok {
opts.HeaderValue = gofastly.String(v.(string))
}
if v, ok := modified["method"]; ok {
opts.Method = gofastly.String(v.(string))
}
if v, ok := modified["json_format"]; ok {
opts.JSONFormat = gofastly.String(v.(string))
}
if v, ok := modified["placement"]; ok {
opts.Placement = gofastly.String(v.(string))
}
if v, ok := modified["tls_ca_cert"]; ok {
opts.TLSCACert = gofastly.String(v.(string))
}
if v, ok := modified["tls_client_cert"]; ok {
opts.TLSClientCert = gofastly.String(v.(string))
}
if v, ok := modified["tls_client_key"]; ok {
opts.TLSClientKey = gofastly.String(v.(string))
}
if v, ok := modified["tls_hostname"]; ok {
opts.TLSHostname = gofastly.String(v.(string))
}
if v, ok := modified["message_type"]; ok {
opts.MessageType = gofastly.String(v.(string))
}
if v, ok := modified["format_version"]; ok {
opts.FormatVersion = gofastly.Uint(uint(v.(int)))
}
log.Printf("[DEBUG] Update HTTPS Opts: %#v", opts)
_, err := conn.UpdateHTTPS(&opts)
if err != nil {
return err
}
}
return nil
}
func (h *HTTPSLoggingServiceAttributeHandler) Read(d *schema.ResourceData, s *gofastly.ServiceDetail, conn *gofastly.Client) error {
// refresh HTTPS
log.Printf("[DEBUG] Refreshing HTTPS logging endpoints for (%s)", d.Id())
httpsList, err := conn.ListHTTPS(&gofastly.ListHTTPSInput{
ServiceID: d.Id(),
ServiceVersion: s.ActiveVersion.Number,
})
if err != nil {
return fmt.Errorf("[ERR] Error looking up HTTPS logging endpoints for (%s), version (%v): %s", d.Id(), s.ActiveVersion.Number, err)
}
hll := flattenHTTPS(httpsList)
for _, element := range hll {
element = h.pruneVCLLoggingAttributes(element)
}
if err := d.Set(h.GetKey(), hll); err != nil {
log.Printf("[WARN] Error setting HTTPS logging endpoints for (%s): %s", d.Id(), err)
}
return nil
}
func (h *HTTPSLoggingServiceAttributeHandler) 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 HTTPS logging endpoint. It is important to note that changing this attribute will delete and recreate the resource",
},
"url": {
Type: schema.TypeString,
Required: true,
Description: "URL that log data will be sent to. Must use the https protocol",
ValidateFunc: validation.IsURLWithHTTPS,
},
// Optional fields
"request_max_entries": {
Type: schema.TypeInt,
Optional: true,
Description: "The maximum number of logs sent in one request",
},
"request_max_bytes": {
Type: schema.TypeInt,
Optional: true,
Description: "The maximum number of bytes sent in one request",
},
"content_type": {
Type: schema.TypeString,
Optional: true,
Description: "Value of the `Content-Type` header sent with the request",
},
"header_name": {
Type: schema.TypeString,
Optional: true,
Description: "Custom header sent with the request",
},
"header_value": {
Type: schema.TypeString,
Optional: true,
Description: "Value of the custom header sent with the request",
},
"method": {
Type: schema.TypeString,
Optional: true,
Default: "POST",
Description: "HTTP method used for request. Can be either `POST` or `PUT`. Default `POST`",
ValidateFunc: validation.StringInSlice([]string{"POST", "PUT"}, false),
},
// NOTE: The `json_format` field's documented type is string, but it should likely be an integer.
"json_format": {
Type: schema.TypeString,
Optional: true,
Default: "0",
Description: "Formats log entries as JSON. Can be either disabled (`0`), array of json (`1`), or newline delimited json (`2`)",
ValidateFunc: validation.StringInSlice([]string{"0", "1", "2"}, false),
},
"tls_ca_cert": {
Type: schema.TypeString,
Optional: true,
Description: "A secure certificate to authenticate the server with. Must be in PEM format",
Sensitive: true,
// Related issue for weird behavior - https://github.com/hashicorp/terraform-plugin-sdk/issues/160
StateFunc: trimSpaceStateFunc,
},
"tls_client_cert": {
Type: schema.TypeString,
Optional: true,
Description: "The client certificate used to make authenticated requests. Must be in PEM format",
Sensitive: true,
// Related issue for weird behavior - https://github.com/hashicorp/terraform-plugin-sdk/issues/160
StateFunc: trimSpaceStateFunc,
},
"tls_client_key": {
Type: schema.TypeString,
Optional: true,
Description: "The client private key used to make authenticated requests. Must be in PEM format",
Sensitive: true,
// Related issue for weird behavior - https://github.com/hashicorp/terraform-plugin-sdk/issues/160
StateFunc: trimSpaceStateFunc,
},
"tls_hostname": {
Type: schema.TypeString,
Optional: true,
Description: "Used during the TLS handshake to validate the certificate",
},
"message_type": {
Type: schema.TypeString,
Optional: true,
Default: "blank",
Description: "How the message should be formatted; one of: `classic`, `loggly`, `logplex` or `blank`. Default `blank`",
ValidateDiagFunc: 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)",
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 createHTTPS(conn *gofastly.Client, i *gofastly.CreateHTTPSInput) error {
_, err := conn.CreateHTTPS(i)
if err != nil {
return err
}
return nil
}
func deleteHTTPS(conn *gofastly.Client, i *gofastly.DeleteHTTPSInput) error {
err := conn.DeleteHTTPS(i)
if errRes, ok := err.(*gofastly.HTTPError); ok {
if errRes.StatusCode != 404 {
return err
}
} else if err != nil {
return err
}
return nil
}
func flattenHTTPS(httpsList []*gofastly.HTTPS) []map[string]interface{} {
var hsl []map[string]interface{}
for _, hl := range httpsList {
// Convert HTTP logging to a map for saving to state.
nhl := map[string]interface{}{
"name": hl.Name,
"response_condition": hl.ResponseCondition,
"format": hl.Format,
"url": hl.URL,
"request_max_entries": hl.RequestMaxEntries,
"request_max_bytes": hl.RequestMaxBytes,
"content_type": hl.ContentType,
"header_name": hl.HeaderName,
"header_value": hl.HeaderValue,
"method": hl.Method,
"json_format": hl.JSONFormat,
"placement": hl.Placement,
"tls_ca_cert": hl.TLSCACert,
"tls_client_cert": hl.TLSClientCert,
"tls_client_key": hl.TLSClientKey,
"tls_hostname": hl.TLSHostname,
"message_type": hl.MessageType,
"format_version": hl.FormatVersion,
}
// prune any empty values that come from the default string value in structs
for k, v := range nhl {
if v == "" {
delete(nhl, k)
}
}
hsl = append(hsl, nhl)
}
return hsl
}
func (h *HTTPSLoggingServiceAttributeHandler) buildCreate(httpsMap interface{}, serviceID string, serviceVersion int) *gofastly.CreateHTTPSInput {
df := httpsMap.(map[string]interface{})
var vla = h.getVCLLoggingAttributes(df)
opts := gofastly.CreateHTTPSInput{
ServiceID: serviceID,
ServiceVersion: serviceVersion,
Name: df["name"].(string),
URL: df["url"].(string),
RequestMaxEntries: uint(df["request_max_entries"].(int)),
RequestMaxBytes: uint(df["request_max_bytes"].(int)),
ContentType: df["content_type"].(string),
HeaderName: df["header_name"].(string),
HeaderValue: df["header_value"].(string),
Method: df["method"].(string),
JSONFormat: df["json_format"].(string),
TLSCACert: df["tls_ca_cert"].(string),
TLSClientCert: df["tls_client_cert"].(string),
TLSClientKey: df["tls_client_key"].(string),
TLSHostname: df["tls_hostname"].(string),
MessageType: df["message_type"].(string),
Format: vla.format,
FormatVersion: uintOrDefault(vla.formatVersion),
ResponseCondition: vla.responseCondition,
Placement: vla.placement,
}
return &opts
}
func (h *HTTPSLoggingServiceAttributeHandler) buildDelete(httpsMap interface{}, serviceID string, serviceVersion int) *gofastly.DeleteHTTPSInput {
df := httpsMap.(map[string]interface{})
opts := gofastly.DeleteHTTPSInput{
ServiceID: serviceID,
ServiceVersion: serviceVersion,
Name: df["name"].(string),
}
return &opts
}