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resource_rancher2_global_dns.go
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resource_rancher2_global_dns.go
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package rancher2
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform-plugin-sdk/helper/resource"
"github.com/hashicorp/terraform-plugin-sdk/helper/schema"
managementClient "github.com/rancher/rancher/pkg/client/generated/management/v3"
)
func resourceRancher2GlobalDNS() *schema.Resource {
return &schema.Resource{
Create: resourceRancher2GlobalDNSCreate,
Read: resourceRancher2GlobalDNSRead,
Update: resourceRancher2GlobalDNSUpdate,
Delete: resourceRancher2GlobalDNSDelete,
Importer: &schema.ResourceImporter{
State: resourceRancher2GlobalDNSImport,
},
Schema: GlobalDNSFields(),
Timeouts: &schema.ResourceTimeout{
Create: schema.DefaultTimeout(5 * time.Minute),
Update: schema.DefaultTimeout(5 * time.Minute),
Delete: schema.DefaultTimeout(5 * time.Minute),
},
}
}
func resourceRancher2GlobalDNSCreate(d *schema.ResourceData, meta interface{}) error {
globalDNS, err := expandGlobalDNS(d)
if err != nil {
return err
}
client, err := meta.(*Config).ManagementClient()
if err != nil {
return err
}
log.Printf("[INFO] Creating Global DNS registry %s", globalDNS.FQDN)
newglobalDNS, err := client.GlobalDns.Create(globalDNS)
if err != nil {
return err
}
stateConf := &resource.StateChangeConf{
Pending: []string{"active"},
Target: []string{"active"},
Refresh: globalDNSStateRefreshFunc(client, newglobalDNS.ID),
Timeout: d.Timeout(schema.TimeoutCreate),
Delay: 1 * time.Second,
MinTimeout: 3 * time.Second,
}
_, waitErr := stateConf.WaitForState()
if waitErr != nil {
return fmt.Errorf(
"[ERROR] waiting for global DNS (%s) to be created: %s", newglobalDNS.ID, waitErr)
}
err = flattenGlobalDNS(d, newglobalDNS)
if err != nil {
return err
}
return resourceRancher2GlobalDNSRead(d, meta)
}
func resourceRancher2GlobalDNSRead(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Refreshing Global DNS ID %s", d.Id())
client, err := meta.(*Config).ManagementClient()
if err != nil {
return err
}
globalDNS, err := client.GlobalDns.ByID(d.Id())
if err != nil {
if IsNotFound(err) {
log.Printf("[INFO] Global DNS ID %s not found.", d.Id())
d.SetId("")
return nil
}
return err
}
err = flattenGlobalDNS(d, globalDNS)
if err != nil {
return err
}
return nil
}
func resourceRancher2GlobalDNSUpdate(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Updating Global DNS ID %s", d.Id())
client, err := meta.(*Config).ManagementClient()
if err != nil {
return err
}
globalDNS, err := client.GlobalDns.ByID(d.Id())
if err != nil {
return err
}
update := map[string]interface{}{
"providerId": d.Get("provider_id").(string),
"annotations": toMapString(d.Get("annotations").(map[string]interface{})),
"labels": toMapString(d.Get("labels").(map[string]interface{})),
}
if d.HasChange("multi_cluster_app_id") {
if v, ok := d.Get("multi_cluster_app_id").(string); ok && len(v) > 0 {
update["multiClusterAppId"] = v
}
}
newglobalDNS, err := client.GlobalDns.Update(globalDNS, update)
if err != nil {
return err
}
stateConf := &resource.StateChangeConf{
Pending: []string{"active"},
Target: []string{"active"},
Refresh: globalDNSStateRefreshFunc(client, newglobalDNS.ID),
Timeout: d.Timeout(schema.TimeoutUpdate),
Delay: 1 * time.Second,
MinTimeout: 3 * time.Second,
}
_, waitErr := stateConf.WaitForState()
if waitErr != nil {
return fmt.Errorf(
"[ERROR] waiting for global DNS (%s) to be updated: %s", newglobalDNS.ID, waitErr)
}
if d.HasChange("project_ids") {
if v, ok := d.Get("project_ids").([]interface{}); ok {
projectsIDS := toArrayString(v)
projectsToAdd := []string{}
projectsToRemove := []string{}
for i := range projectsIDS {
found := false
for j := range newglobalDNS.ProjectIDs {
if projectsIDS[i] == newglobalDNS.ProjectIDs[j] {
found = true
break
}
}
if !found {
projectsToAdd = append(projectsToAdd, projectsIDS[i])
}
}
for i := range newglobalDNS.ProjectIDs {
found := false
for j := range projectsIDS {
if projectsIDS[j] == newglobalDNS.ProjectIDs[i] {
found = true
break
}
}
if !found {
projectsToRemove = append(projectsToRemove, newglobalDNS.ProjectIDs[i])
}
}
if len(newglobalDNS.Actions["addProjects"]) > 0 && len(projectsToAdd) > 0 {
projectAdd := &managementClient.UpdateGlobalDNSTargetsInput{
ProjectIDs: projectsToAdd,
}
err = client.GlobalDns.ActionAddProjects(newglobalDNS, projectAdd)
if err != nil {
return err
}
}
if len(newglobalDNS.Actions["removeProjects"]) > 0 && len(projectsToRemove) > 0 {
projectRemove := &managementClient.UpdateGlobalDNSTargetsInput{
ProjectIDs: projectsToRemove,
}
err = client.GlobalDns.ActionRemoveProjects(newglobalDNS, projectRemove)
if err != nil {
return err
}
}
}
}
return resourceRancher2GlobalDNSRead(d, meta)
}
func resourceRancher2GlobalDNSDelete(d *schema.ResourceData, meta interface{}) error {
log.Printf("[INFO] Deleting Global DNS ID %s", d.Id())
id := d.Id()
client, err := meta.(*Config).ManagementClient()
if err != nil {
return err
}
globalDNS, err := client.GlobalDns.ByID(id)
if err != nil {
if IsNotFound(err) {
log.Printf("[INFO] Global DNS ID %s not found.", d.Id())
d.SetId("")
return nil
}
return err
}
err = client.GlobalDns.Delete(globalDNS)
if err != nil {
return fmt.Errorf("Error removing Global DNS: %s", err)
}
log.Printf("[DEBUG] Waiting for global DNS (%s) to be removed", id)
stateConf := &resource.StateChangeConf{
Pending: []string{"active"},
Target: []string{"removed"},
Refresh: globalDNSStateRefreshFunc(client, id),
Timeout: d.Timeout(schema.TimeoutDelete),
Delay: 1 * time.Second,
MinTimeout: 3 * time.Second,
}
_, waitErr := stateConf.WaitForState()
if waitErr != nil {
return fmt.Errorf(
"[ERROR] waiting for global DNS (%s) to be removed: %s", id, waitErr)
}
d.SetId("")
return nil
}
// globalDNSStateRefreshFunc returns a resource.StateRefreshFunc, used to watch a Rancher Global Role Binding.
func globalDNSStateRefreshFunc(client *managementClient.Client, globalDNSID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
obj, err := client.GlobalDns.ByID(globalDNSID)
if err != nil {
if IsNotFound(err) {
return obj, "removed", nil
}
return nil, "", err
}
if obj.Removed != "" {
return obj, "removed", nil
}
return obj, "active", nil
}
}