resource_vpc_access_connector.go

// ----------------------------------------------------------------------------
//
//     ***     AUTO GENERATED CODE    ***    Type: MMv1     ***
//
// ----------------------------------------------------------------------------
//
//     This file is automatically generated by Magic Modules and manual
//     changes will be clobbered when the file is regenerated.
//
//     Please read more about how to change this file in
//     .github/CONTRIBUTING.md.
//
// ----------------------------------------------------------------------------

package google

import (
	"fmt"
	"log"
	"reflect"
	"time"

	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
	"github.com/hashicorp/terraform-plugin-sdk/v2/helper/validation"
)

func resourceVPCAccessConnector() *schema.Resource {
	return &schema.Resource{
		Create: resourceVPCAccessConnectorCreate,
		Read:   resourceVPCAccessConnectorRead,
		Delete: resourceVPCAccessConnectorDelete,

		Importer: &schema.ResourceImporter{
			State: resourceVPCAccessConnectorImport,
		},

		Timeouts: &schema.ResourceTimeout{
			Create: schema.DefaultTimeout(20 * time.Minute),
			Delete: schema.DefaultTimeout(20 * time.Minute),
		},

		Schema: map[string]*schema.Schema{
			"name": {
				Type:        schema.TypeString,
				Required:    true,
				ForceNew:    true,
				Description: `The name of the resource (Max 25 characters).`,
			},
			"ip_cidr_range": {
				Type:         schema.TypeString,
				Optional:     true,
				ForceNew:     true,
				Description:  `The range of internal addresses that follows RFC 4632 notation. Example: '10.132.0.0/28'.`,
				RequiredWith: []string{"network"},
			},
			"machine_type": {
				Type:        schema.TypeString,
				Optional:    true,
				ForceNew:    true,
				Description: `Machine type of VM Instance underlying connector. Default is e2-micro`,
				Default:     "e2-micro",
			},
			"max_instances": {
				Type:        schema.TypeInt,
				Computed:    true,
				Optional:    true,
				ForceNew:    true,
				Description: `Maximum value of instances in autoscaling group underlying the connector.`,
			},
			"max_throughput": {
				Type:         schema.TypeInt,
				Optional:     true,
				ForceNew:     true,
				ValidateFunc: validation.IntBetween(200, 1000),
				Description:  `Maximum throughput of the connector in Mbps, must be greater than 'min_throughput'. Default is 300.`,
				Default:      300,
			},
			"min_instances": {
				Type:        schema.TypeInt,
				Computed:    true,
				Optional:    true,
				ForceNew:    true,
				Description: `Minimum value of instances in autoscaling group underlying the connector.`,
			},
			"min_throughput": {
				Type:         schema.TypeInt,
				Optional:     true,
				ForceNew:     true,
				ValidateFunc: validation.IntBetween(200, 1000),
				Description:  `Minimum throughput of the connector in Mbps. Default and min is 200.`,
				Default:      200,
			},
			"network": {
				Type:             schema.TypeString,
				Computed:         true,
				Optional:         true,
				ForceNew:         true,
				DiffSuppressFunc: compareResourceNames,
				Description:      `Name or self_link of the VPC network. Required if 'ip_cidr_range' is set.`,
				ExactlyOneOf:     []string{"network", "subnet.0.name"},
			},
			"region": {
				Type:        schema.TypeString,
				Computed:    true,
				Optional:    true,
				ForceNew:    true,
				Description: `Region where the VPC Access connector resides. If it is not provided, the provider region is used.`,
			},
			"subnet": {
				Type:        schema.TypeList,
				Optional:    true,
				ForceNew:    true,
				Description: `The subnet in which to house the connector`,
				MaxItems:    1,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"name": {
							Type:     schema.TypeString,
							Optional: true,
							ForceNew: true,
							Description: `Subnet name (relative, not fully qualified). E.g. if the full subnet selfLink is
https://compute.googleapis.com/compute/v1/projects/{project}/regions/{region}/subnetworks/{subnetName} the correct input for this field would be {subnetName}"`,
							ExactlyOneOf: []string{"network", "subnet.0.name"},
						},
						"project_id": {
							Type:        schema.TypeString,
							Computed:    true,
							Optional:    true,
							ForceNew:    true,
							Description: `Project in which the subnet exists. If not set, this project is assumed to be the project for which the connector create request was issued.`,
						},
					},
				},
			},
			"self_link": {
				Type:        schema.TypeString,
				Computed:    true,
				Description: `The fully qualified name of this VPC connector`,
			},
			"state": {
				Type:        schema.TypeString,
				Computed:    true,
				Description: `State of the VPC access connector.`,
			},
			"project": {
				Type:     schema.TypeString,
				Optional: true,
				Computed: true,
				ForceNew: true,
			},
		},
		UseJSONNumber: true,
	}
}

func resourceVPCAccessConnectorCreate(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	obj := make(map[string]interface{})
	nameProp, err := expandVPCAccessConnectorName(d.Get("name"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("name"); !isEmptyValue(reflect.ValueOf(nameProp)) && (ok || !reflect.DeepEqual(v, nameProp)) {
		obj["name"] = nameProp
	}
	networkProp, err := expandVPCAccessConnectorNetwork(d.Get("network"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("network"); !isEmptyValue(reflect.ValueOf(networkProp)) && (ok || !reflect.DeepEqual(v, networkProp)) {
		obj["network"] = networkProp
	}
	ipCidrRangeProp, err := expandVPCAccessConnectorIpCidrRange(d.Get("ip_cidr_range"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("ip_cidr_range"); !isEmptyValue(reflect.ValueOf(ipCidrRangeProp)) && (ok || !reflect.DeepEqual(v, ipCidrRangeProp)) {
		obj["ipCidrRange"] = ipCidrRangeProp
	}
	machineTypeProp, err := expandVPCAccessConnectorMachineType(d.Get("machine_type"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("machine_type"); !isEmptyValue(reflect.ValueOf(machineTypeProp)) && (ok || !reflect.DeepEqual(v, machineTypeProp)) {
		obj["machineType"] = machineTypeProp
	}
	minThroughputProp, err := expandVPCAccessConnectorMinThroughput(d.Get("min_throughput"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("min_throughput"); !isEmptyValue(reflect.ValueOf(minThroughputProp)) && (ok || !reflect.DeepEqual(v, minThroughputProp)) {
		obj["minThroughput"] = minThroughputProp
	}
	minInstancesProp, err := expandVPCAccessConnectorMinInstances(d.Get("min_instances"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("min_instances"); !isEmptyValue(reflect.ValueOf(minInstancesProp)) && (ok || !reflect.DeepEqual(v, minInstancesProp)) {
		obj["minInstances"] = minInstancesProp
	}
	maxInstancesProp, err := expandVPCAccessConnectorMaxInstances(d.Get("max_instances"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("max_instances"); !isEmptyValue(reflect.ValueOf(maxInstancesProp)) && (ok || !reflect.DeepEqual(v, maxInstancesProp)) {
		obj["maxInstances"] = maxInstancesProp
	}
	maxThroughputProp, err := expandVPCAccessConnectorMaxThroughput(d.Get("max_throughput"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("max_throughput"); !isEmptyValue(reflect.ValueOf(maxThroughputProp)) && (ok || !reflect.DeepEqual(v, maxThroughputProp)) {
		obj["maxThroughput"] = maxThroughputProp
	}
	subnetProp, err := expandVPCAccessConnectorSubnet(d.Get("subnet"), d, config)
	if err != nil {
		return err
	} else if v, ok := d.GetOkExists("subnet"); !isEmptyValue(reflect.ValueOf(subnetProp)) && (ok || !reflect.DeepEqual(v, subnetProp)) {
		obj["subnet"] = subnetProp
	}

	obj, err = resourceVPCAccessConnectorEncoder(d, meta, obj)
	if err != nil {
		return err
	}

	url, err := replaceVars(d, config, "{{VPCAccessBasePath}}projects/{{project}}/locations/{{region}}/connectors?connectorId={{name}}")
	if err != nil {
		return err
	}

	log.Printf("[DEBUG] Creating new Connector: %#v", obj)
	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for Connector: %s", err)
	}
	billingProject = project

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequestWithTimeout(config, "POST", billingProject, url, userAgent, obj, d.Timeout(schema.TimeoutCreate))
	if err != nil {
		return fmt.Errorf("Error creating Connector: %s", err)
	}

	// Store the ID now
	id, err := replaceVars(d, config, "projects/{{project}}/locations/{{region}}/connectors/{{name}}")
	if err != nil {
		return fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)

	// Use the resource in the operation response to populate
	// identity fields and d.Id() before read
	var opRes map[string]interface{}
	err = vpcAccessOperationWaitTimeWithResponse(
		config, res, &opRes, project, "Creating Connector", userAgent,
		d.Timeout(schema.TimeoutCreate))
	if err != nil {
		// The resource didn't actually create
		d.SetId("")
		return fmt.Errorf("Error waiting to create Connector: %s", err)
	}

	opRes, err = resourceVPCAccessConnectorDecoder(d, meta, opRes)
	if err != nil {
		return fmt.Errorf("Error decoding response from operation: %s", err)
	}
	if opRes == nil {
		return fmt.Errorf("Error decoding response from operation, could not find object")
	}

	if err := d.Set("name", flattenVPCAccessConnectorName(opRes["name"], d, config)); err != nil {
		return err
	}

	// This may have caused the ID to update - update it if so.
	id, err = replaceVars(d, config, "projects/{{project}}/locations/{{region}}/connectors/{{name}}")
	if err != nil {
		return fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)

	// This is useful if the resource in question doesn't have a perfectly consistent API
	// That is, the Operation for Create might return before the Get operation shows the
	// completed state of the resource.
	time.Sleep(5 * time.Second)

	log.Printf("[DEBUG] Finished creating Connector %q: %#v", d.Id(), res)

	return resourceVPCAccessConnectorRead(d, meta)
}

func resourceVPCAccessConnectorRead(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	url, err := replaceVars(d, config, "{{VPCAccessBasePath}}projects/{{project}}/locations/{{region}}/connectors/{{name}}")
	if err != nil {
		return err
	}

	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for Connector: %s", err)
	}
	billingProject = project

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequest(config, "GET", billingProject, url, userAgent, nil)
	if err != nil {
		return handleNotFoundError(err, d, fmt.Sprintf("VPCAccessConnector %q", d.Id()))
	}

	res, err = resourceVPCAccessConnectorDecoder(d, meta, res)
	if err != nil {
		return err
	}

	if res == nil {
		// Decoding the object has resulted in it being gone. It may be marked deleted
		log.Printf("[DEBUG] Removing VPCAccessConnector because it no longer exists.")
		d.SetId("")
		return nil
	}

	if err := d.Set("project", project); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}

	if err := d.Set("name", flattenVPCAccessConnectorName(res["name"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("network", flattenVPCAccessConnectorNetwork(res["network"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("ip_cidr_range", flattenVPCAccessConnectorIpCidrRange(res["ipCidrRange"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("state", flattenVPCAccessConnectorState(res["state"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("machine_type", flattenVPCAccessConnectorMachineType(res["machineType"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("min_throughput", flattenVPCAccessConnectorMinThroughput(res["minThroughput"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("min_instances", flattenVPCAccessConnectorMinInstances(res["minInstances"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("max_instances", flattenVPCAccessConnectorMaxInstances(res["maxInstances"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("max_throughput", flattenVPCAccessConnectorMaxThroughput(res["maxThroughput"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}
	if err := d.Set("subnet", flattenVPCAccessConnectorSubnet(res["subnet"], d, config)); err != nil {
		return fmt.Errorf("Error reading Connector: %s", err)
	}

	return nil
}

func resourceVPCAccessConnectorDelete(d *schema.ResourceData, meta interface{}) error {
	config := meta.(*Config)
	userAgent, err := generateUserAgentString(d, config.userAgent)
	if err != nil {
		return err
	}

	billingProject := ""

	project, err := getProject(d, config)
	if err != nil {
		return fmt.Errorf("Error fetching project for Connector: %s", err)
	}
	billingProject = project

	url, err := replaceVars(d, config, "{{VPCAccessBasePath}}projects/{{project}}/locations/{{region}}/connectors/{{name}}")
	if err != nil {
		return err
	}

	var obj map[string]interface{}
	log.Printf("[DEBUG] Deleting Connector %q", d.Id())

	// err == nil indicates that the billing_project value was found
	if bp, err := getBillingProject(d, config); err == nil {
		billingProject = bp
	}

	res, err := sendRequestWithTimeout(config, "DELETE", billingProject, url, userAgent, obj, d.Timeout(schema.TimeoutDelete))
	if err != nil {
		return handleNotFoundError(err, d, "Connector")
	}

	err = vpcAccessOperationWaitTime(
		config, res, project, "Deleting Connector", userAgent,
		d.Timeout(schema.TimeoutDelete))

	if err != nil {
		return err
	}

	log.Printf("[DEBUG] Finished deleting Connector %q: %#v", d.Id(), res)
	return nil
}

func resourceVPCAccessConnectorImport(d *schema.ResourceData, meta interface{}) ([]*schema.ResourceData, error) {
	config := meta.(*Config)
	if err := parseImportId([]string{
		"projects/(?P<project>[^/]+)/locations/(?P<region>[^/]+)/connectors/(?P<name>[^/]+)",
		"(?P<project>[^/]+)/(?P<region>[^/]+)/(?P<name>[^/]+)",
		"(?P<region>[^/]+)/(?P<name>[^/]+)",
		"(?P<name>[^/]+)",
	}, d, config); err != nil {
		return nil, err
	}

	// Replace import id for the resource id
	id, err := replaceVars(d, config, "projects/{{project}}/locations/{{region}}/connectors/{{name}}")
	if err != nil {
		return nil, fmt.Errorf("Error constructing id: %s", err)
	}
	d.SetId(id)

	return []*schema.ResourceData{d}, nil
}

func flattenVPCAccessConnectorName(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return v
	}
	return NameFromSelfLinkStateFunc(v)
}

func flattenVPCAccessConnectorNetwork(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return v
	}
	return NameFromSelfLinkStateFunc(v)
}

func flattenVPCAccessConnectorIpCidrRange(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenVPCAccessConnectorState(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenVPCAccessConnectorMachineType(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenVPCAccessConnectorMinThroughput(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	// Handles the string fixed64 format
	if strVal, ok := v.(string); ok {
		if intVal, err := stringToFixed64(strVal); err == nil {
			return intVal
		}
	}

	// number values are represented as float64
	if floatVal, ok := v.(float64); ok {
		intVal := int(floatVal)
		return intVal
	}

	return v // let terraform core handle it otherwise
}

func flattenVPCAccessConnectorMinInstances(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	// Handles the string fixed64 format
	if strVal, ok := v.(string); ok {
		if intVal, err := stringToFixed64(strVal); err == nil {
			return intVal
		}
	}

	// number values are represented as float64
	if floatVal, ok := v.(float64); ok {
		intVal := int(floatVal)
		return intVal
	}

	return v // let terraform core handle it otherwise
}

func flattenVPCAccessConnectorMaxInstances(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	// Handles the string fixed64 format
	if strVal, ok := v.(string); ok {
		if intVal, err := stringToFixed64(strVal); err == nil {
			return intVal
		}
	}

	// number values are represented as float64
	if floatVal, ok := v.(float64); ok {
		intVal := int(floatVal)
		return intVal
	}

	return v // let terraform core handle it otherwise
}

func flattenVPCAccessConnectorMaxThroughput(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	// Handles the string fixed64 format
	if strVal, ok := v.(string); ok {
		if intVal, err := stringToFixed64(strVal); err == nil {
			return intVal
		}
	}

	// number values are represented as float64
	if floatVal, ok := v.(float64); ok {
		intVal := int(floatVal)
		return intVal
	}

	return v // let terraform core handle it otherwise
}

func flattenVPCAccessConnectorSubnet(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	if v == nil {
		return nil
	}
	original := v.(map[string]interface{})
	if len(original) == 0 {
		return nil
	}
	transformed := make(map[string]interface{})
	transformed["name"] =
		flattenVPCAccessConnectorSubnetName(original["name"], d, config)
	transformed["project_id"] =
		flattenVPCAccessConnectorSubnetProjectId(original["projectId"], d, config)
	return []interface{}{transformed}
}
func flattenVPCAccessConnectorSubnetName(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func flattenVPCAccessConnectorSubnetProjectId(v interface{}, d *schema.ResourceData, config *Config) interface{} {
	return v
}

func expandVPCAccessConnectorName(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorNetwork(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return GetResourceNameFromSelfLink(v.(string)), nil
}

func expandVPCAccessConnectorIpCidrRange(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorMachineType(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorMinThroughput(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorMinInstances(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorMaxInstances(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorMaxThroughput(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorSubnet(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	l := v.([]interface{})
	if len(l) == 0 || l[0] == nil {
		return nil, nil
	}
	raw := l[0]
	original := raw.(map[string]interface{})
	transformed := make(map[string]interface{})

	transformedName, err := expandVPCAccessConnectorSubnetName(original["name"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedName); val.IsValid() && !isEmptyValue(val) {
		transformed["name"] = transformedName
	}

	transformedProjectId, err := expandVPCAccessConnectorSubnetProjectId(original["project_id"], d, config)
	if err != nil {
		return nil, err
	} else if val := reflect.ValueOf(transformedProjectId); val.IsValid() && !isEmptyValue(val) {
		transformed["projectId"] = transformedProjectId
	}

	return transformed, nil
}

func expandVPCAccessConnectorSubnetName(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func expandVPCAccessConnectorSubnetProjectId(v interface{}, d TerraformResourceData, config *Config) (interface{}, error) {
	return v, nil
}

func resourceVPCAccessConnectorEncoder(d *schema.ResourceData, meta interface{}, obj map[string]interface{}) (map[string]interface{}, error) {
	delete(obj, "name")
	return obj, nil
}

func resourceVPCAccessConnectorDecoder(d *schema.ResourceData, meta interface{}, res map[string]interface{}) (map[string]interface{}, error) {
	// Take the returned long form of the name and use it as `self_link`.
	// Then modify the name to be the user specified form.
	// We can't just ignore_read on `name` as the linter will
	// complain that the returned `res` is never used afterwards.
	// Some field needs to be actually set, and we chose `name`.
	if err := d.Set("self_link", res["name"].(string)); err != nil {
		return nil, fmt.Errorf("Error setting self_link: %s", err)
	}
	res["name"] = d.Get("name").(string)
	return res, nil
}