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data_source_ibm_is_vpc_address_prefix.go
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data_source_ibm_is_vpc_address_prefix.go
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// Copyright IBM Corp. 2021 All Rights Reserved.
// Licensed under the Mozilla Public License v2.0
package vpc
import (
"context"
"fmt"
"log"
"github.com/IBM-Cloud/terraform-provider-ibm/ibm/conns"
"github.com/IBM-Cloud/terraform-provider-ibm/ibm/flex"
"github.com/hashicorp/terraform-plugin-sdk/v2/diag"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
"github.com/IBM/vpc-go-sdk/vpcv1"
)
func DataSourceIBMIsVPCAddressPrefix() *schema.Resource {
return &schema.Resource{
ReadContext: dataSourceIBMIsVPCAddressPrefixRead,
Schema: map[string]*schema.Schema{
"vpc": {
Type: schema.TypeString,
Optional: true,
ExactlyOneOf: []string{"vpc", "vpc_name"},
Description: "The VPC identifier.",
},
"vpc_name": {
Type: schema.TypeString,
Optional: true,
ExactlyOneOf: []string{"vpc", "vpc_name"},
Description: "The VPC name.",
},
"address_prefix": {
Type: schema.TypeString,
Optional: true,
ExactlyOneOf: []string{"address_prefix", "address_prefix_name"},
Description: "The address prefix identifier.",
},
"address_prefix_name": {
Type: schema.TypeString,
Optional: true,
ExactlyOneOf: []string{"address_prefix", "address_prefix_name"},
Description: "The address prefix name.",
},
"cidr": {
Type: schema.TypeString,
Computed: true,
Description: "The CIDR block for this prefix.",
},
"created_at": {
Type: schema.TypeString,
Computed: true,
Description: "The date and time that the prefix was created.",
},
"has_subnets": {
Type: schema.TypeBool,
Computed: true,
Description: "Indicates whether subnets exist with addresses from this prefix.",
},
"href": {
Type: schema.TypeString,
Computed: true,
Description: "The URL for this address prefix.",
},
"is_default": {
Type: schema.TypeBool,
Computed: true,
Description: "Indicates whether this is the default prefix for this zone in this VPC. If a default prefix was automatically created when the VPC was created, the prefix is automatically named using a hyphenated list of randomly-selected words, but may be updated with a user-specified name.",
},
"name": {
Type: schema.TypeString,
Computed: true,
Description: "The user-defined name for this address prefix. Names must be unique within the VPC the address prefix resides in.",
},
"zone": {
Type: schema.TypeList,
Computed: true,
Description: "The zone this address prefix resides in.",
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"href": {
Type: schema.TypeString,
Computed: true,
Description: "The URL for this zone.",
},
"name": {
Type: schema.TypeString,
Computed: true,
Description: "The globally unique name for this zone.",
},
},
},
},
},
}
}
func dataSourceIBMIsVPCAddressPrefixRead(context context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
vpcClient, err := meta.(conns.ClientSession).VpcV1API()
if err != nil {
return diag.FromErr(err)
}
vpc_id := d.Get("vpc").(string)
address_prefix_id := d.Get("address_prefix").(string)
address_prefix_name := d.Get("address_prefix_name").(string)
vpc_name := d.Get("vpc_name").(string)
var addressPrefix *vpcv1.AddressPrefix
if vpc_id == "" {
start := ""
allrecs := []vpcv1.VPC{}
for {
listVpcsOptions := &vpcv1.ListVpcsOptions{}
if start != "" {
listVpcsOptions.Start = &start
}
vpcs, response, err := vpcClient.ListVpcs(listVpcsOptions)
if err != nil {
return diag.FromErr(fmt.Errorf("Error Fetching vpcs %s\n%s", err, response))
}
start = flex.GetNext(vpcs.Next)
allrecs = append(allrecs, vpcs.Vpcs...)
if start == "" {
break
}
}
vpc_found := false
for _, vpc := range allrecs {
if *vpc.Name == vpc_name {
vpc_id = *vpc.ID
vpc_found = true
break
}
}
if !vpc_found {
log.Printf("[DEBUG] VPC with given name not found %s\n", vpc_name)
return diag.FromErr(fmt.Errorf("VPC with given name not found %s\n", vpc_name))
}
}
if address_prefix_id != "" {
getVPCAddressPrefixOptions := &vpcv1.GetVPCAddressPrefixOptions{}
getVPCAddressPrefixOptions.SetVPCID(vpc_id)
getVPCAddressPrefixOptions.SetID(address_prefix_id)
addressPrefix1, response, err := vpcClient.GetVPCAddressPrefixWithContext(context, getVPCAddressPrefixOptions)
if err != nil {
log.Printf("[DEBUG] GetVPCAddressPrefixWithContext failed %s\n%s", err, response)
return diag.FromErr(fmt.Errorf("GetVPCAddressPrefixWithContext failed %s\n%s", err, response))
}
addressPrefix = addressPrefix1
} else {
start := ""
allrecs := []vpcv1.AddressPrefix{}
listVpcAddressPrefixesOptions := &vpcv1.ListVPCAddressPrefixesOptions{}
listVpcAddressPrefixesOptions.SetVPCID(vpc_id)
for {
if start != "" {
listVpcAddressPrefixesOptions.Start = &start
}
addressPrefixCollection, response, err := vpcClient.ListVPCAddressPrefixesWithContext(context, listVpcAddressPrefixesOptions)
if err != nil {
log.Printf("[DEBUG] ListVpcAddressPrefixesWithContext failed %s\n%s", err, response)
return diag.FromErr(fmt.Errorf("ListVpcAddressPrefixesWithContext failed %s\n%s", err, response))
}
start = flex.GetNext(addressPrefixCollection.Next)
allrecs = append(allrecs, addressPrefixCollection.AddressPrefixes...)
if start == "" {
break
}
}
address_prefix_found := false
for _, addressPrefixItem := range allrecs {
if *addressPrefixItem.Name == address_prefix_name {
addressPrefix = &addressPrefixItem
address_prefix_found = true
break
}
}
if !address_prefix_found {
log.Printf("[DEBUG] Address Prefix with given name not found %s\n", address_prefix_name)
return diag.FromErr(fmt.Errorf("Address Prefix with given name not found %s\n", address_prefix_name))
}
}
d.SetId(*addressPrefix.ID)
if err = d.Set("cidr", addressPrefix.CIDR); err != nil {
return diag.FromErr(fmt.Errorf("Error setting cidr: %s", err))
}
if err = d.Set("created_at", flex.DateTimeToString(addressPrefix.CreatedAt)); err != nil {
return diag.FromErr(fmt.Errorf("Error setting created_at: %s", err))
}
if err = d.Set("has_subnets", addressPrefix.HasSubnets); err != nil {
return diag.FromErr(fmt.Errorf("Error setting has_subnets: %s", err))
}
if err = d.Set("href", addressPrefix.Href); err != nil {
return diag.FromErr(fmt.Errorf("Error setting href: %s", err))
}
if err = d.Set("is_default", addressPrefix.IsDefault); err != nil {
return diag.FromErr(fmt.Errorf("Error setting is_default: %s", err))
}
if err = d.Set("name", addressPrefix.Name); err != nil {
return diag.FromErr(fmt.Errorf("Error setting name: %s", err))
}
zone := []map[string]interface{}{}
if addressPrefix.Zone != nil {
modelMap, err := dataSourceIBMIsVPCAddressPrefixZoneReferenceToMap(addressPrefix.Zone)
if err != nil {
return diag.FromErr(err)
}
zone = append(zone, modelMap)
}
if err = d.Set("zone", zone); err != nil {
return diag.FromErr(fmt.Errorf("Error setting zone %s", err))
}
return nil
}
func dataSourceIBMIsVPCAddressPrefixZoneReferenceToMap(model *vpcv1.ZoneReference) (map[string]interface{}, error) {
modelMap := make(map[string]interface{})
if model.Href != nil {
modelMap["href"] = model.Href
}
if model.Name != nil {
modelMap["name"] = model.Name
}
return modelMap, nil
}