/
generic.go
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/
generic.go
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/**
* @license
* Copyright 2020 Dynatrace LLC
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package resources
import (
"context"
"encoding/json"
"errors"
"os"
"strings"
"github.com/dynatrace-oss/terraform-provider-dynatrace/dynatrace/rest"
"github.com/dynatrace-oss/terraform-provider-dynatrace/dynatrace/settings"
"github.com/dynatrace-oss/terraform-provider-dynatrace/provider/config"
"github.com/dynatrace-oss/terraform-provider-dynatrace/provider/logging"
"github.com/dynatrace-oss/terraform-provider-dynatrace/terraform/hcl"
"github.com/dynatrace-oss/terraform-provider-dynatrace/dynatrace/export"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
func NewGeneric(resourceType export.ResourceType) *Generic {
descriptor := export.AllResources[resourceType]
return &Generic{Type: resourceType, Descriptor: descriptor}
}
type Computer interface {
IsComputer() bool
}
type Generic struct {
Type export.ResourceType
Descriptor export.ResourceDescriptor
}
func (me *Generic) Resource() *schema.Resource {
stngs := me.Descriptor.NewSettings()
sch := stngs.Schema()
// implicitUpate := false
// stnt := reflect.ValueOf(stngs).Elem().Type()
// for idx := 0; idx < stnt.NumField(); idx++ {
// field := stnt.Field(idx)
// if field.Type == implicitUpdateType {
// implicitUpate = true
// break
// }
// }
// if implicitUpate {
// sch["replaced_value"] = &schema.Schema{
// Type: schema.TypeString,
// Description: "for internal use only",
// Optional: true,
// Computed: true,
// }
// }
return &schema.Resource{
Schema: sch,
CreateContext: logging.Enable(me.Create),
UpdateContext: logging.Enable(me.Update),
ReadContext: logging.Enable(me.Read),
DeleteContext: logging.Enable(me.Delete),
Importer: &schema.ResourceImporter{StateContext: schema.ImportStatePassthroughContext},
}
}
func (me *Generic) createCredentials(m any) *settings.Credentials {
conf := m.(*config.ProviderConfiguration)
return &settings.Credentials{
Token: conf.APIToken,
URL: conf.EnvironmentURL,
IAM: conf.IAM,
}
}
func (me *Generic) Settings() settings.Settings {
return me.Descriptor.NewSettings()
}
func (me *Generic) Service(m any) settings.CRUDService[settings.Settings] {
return me.Descriptor.Service(me.createCredentials(m))
}
func (me *Generic) Create(ctx context.Context, d *schema.ResourceData, m any) diag.Diagnostics {
sttngs := me.Settings()
if err := hcl.UnmarshalHCL(sttngs, hcl.DecoderFrom(d)); err != nil {
return diag.FromErr(err)
}
stub, err := me.Service(m).Create(sttngs)
if err != nil {
if restError, ok := err.(rest.Error); ok {
vm := restError.ViolationMessage()
if len(vm) > 0 {
return diag.FromErr(errors.New(vm))
}
return diag.FromErr(errors.New(restError.Message))
}
return diag.FromErr(err)
}
if stub == nil {
return diag.FromErr(errors.New("stub was nil"))
}
// If the stub returned by the Service contains a value
// and that value also contains information about how to restore
// that setting to the original state we persist it right away
restore := settings.GetRestoreOnDelete(stub.Value)
if restore != nil {
d.Set("_restore_", *restore)
}
d.SetId(stub.ID)
// if settings.SupportsFlawedReasons(sttngs) {
// flawedReasons := settings.GetFlawedReasons(sttngs)
// if len(flawedReasons) > 0 {
// d.Set("flawed_reasons", flawedReasons)
// } else {
// d.Set("flawed_reasons", []string{})
// }
// }
if _, ok := sttngs.(Computer); ok {
return me.ReadForSettings(ctx, d, m, sttngs)
}
return me.Read(ctx, d, m)
}
func (me *Generic) Update(ctx context.Context, d *schema.ResourceData, m any) diag.Diagnostics {
sttngs := me.Settings()
if strings.HasSuffix(d.Id(), "---flawed----") {
return me.Create(ctx, d, m)
}
if err := hcl.UnmarshalHCL(sttngs, hcl.DecoderFrom(d)); err != nil {
return diag.FromErr(err)
}
if err := me.Service(m).Update(d.Id(), sttngs); err != nil {
if restError, ok := err.(rest.Error); ok {
vm := restError.ViolationMessage()
if len(vm) > 0 {
return diag.FromErr(errors.New(vm))
}
return diag.FromErr(errors.New(restError.Message))
}
return diag.FromErr(err)
}
if _, ok := sttngs.(Computer); ok {
return me.ReadForSettings(ctx, d, m, sttngs)
}
return me.Read(ctx, d, m)
}
func (me *Generic) ReadForSettings(ctx context.Context, d *schema.ResourceData, m any, sttngs settings.Settings) diag.Diagnostics {
var err error
if preparer, ok := sttngs.(MarshalPreparer); ok {
preparer.PrepareMarshalHCL(hcl.DecoderFrom(d))
}
if os.Getenv("DT_TERRAFORM_IMPORT") == "true" {
if demoSettings, ok := sttngs.(settings.DemoSettings); ok {
demoSettings.FillDemoValues()
}
}
marshalled := hcl.Properties{}
err = sttngs.MarshalHCL(marshalled)
if os.Getenv("DT_TERRAFORM_IMPORT") != "true" {
attributes := Attributes{}
attributes.collect("", map[string]any(marshalled))
stateAttributes := NewAttributes(d.State().Attributes)
for key, value := range attributes {
if value == "${state.secret_value}" {
stored := false
matches := stateAttributes.MatchingKeys(key)
siblings := attributes.Siblings(key)
for _, m := range matches {
sibs := stateAttributes.Siblings(m)
if sibs.Contains(siblings...) {
stored = true
store(marshalled, key, stateAttributes[m])
break
}
}
if !stored {
remove(marshalled, key)
}
}
}
}
// if settings.SupportsFlawedReasons(sttngs) {
// flawedReasons := settings.GetFlawedReasons(sttngs)
// if len(flawedReasons) > 0 {
// d.Set("flawed_reasons", flawedReasons)
// } else {
// d.Set("flawed_reasons", []string{})
// delete(marshalled, "flawed_reasons")
// }
// }
if err != nil {
return diag.FromErr(err)
}
for k, v := range marshalled {
d.Set(k, v)
}
return diag.Diagnostics{}
}
func (me *Generic) Read(ctx context.Context, d *schema.ResourceData, m any) diag.Diagnostics {
if strings.HasSuffix(d.Id(), "---flawed----") {
return diag.Diagnostics{}
}
sttngs := me.Settings()
// if os.Getenv("CACHE_OFFLINE_MODE") != "true" {
// if _, ok := settings.(*vault.Credentials); ok {
// return diag.Diagnostics{}
// }
// if _, ok := settings.(*notifications.Notification); ok {
// return diag.Diagnostics{}
// }
// }
service := me.Service(m)
if err := service.Get(d.Id(), sttngs); err != nil {
if restError, ok := err.(rest.Error); ok {
if restError.Code == 404 {
d.SetId("")
return diag.Diagnostics{}
}
}
return diag.FromErr(err)
}
return me.ReadForSettings(ctx, d, m, sttngs)
}
func (me *Generic) Delete(ctx context.Context, d *schema.ResourceData, m any) diag.Diagnostics {
if strings.HasSuffix(d.Id(), "---flawed----") {
d.SetId("")
return diag.Diagnostics{}
}
// if the state offers an attribute _restore_ deletion essentially means
// to restore the settings persisted within that attribute.
// If the attribute doesn't contain usable data we're deleting as usual
restorev, ok := d.GetOk("_restore_")
if ok {
restore := restorev.(string)
if len(restore) > 0 {
sttngs := me.Settings()
if err := json.Unmarshal([]byte(restore), sttngs); err != nil {
return diag.FromErr(err)
}
if err := me.Service(m).Update(d.Id(), sttngs); err != nil {
return diag.FromErr(err)
}
d.SetId("")
return diag.Diagnostics{}
}
}
if err := me.Service(m).Delete(d.Id()); err != nil {
if restError, ok := err.(rest.Error); ok {
if restError.Code == 404 {
d.SetId("")
return diag.Diagnostics{}
}
}
return diag.FromErr(err)
}
return diag.Diagnostics{}
}
type MarshalPreparer interface {
PrepareMarshalHCL(hcl.Decoder) error
}