data_source_ibm_is_vpn_server_route.go

// Copyright IBM Corp. 2022 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/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 DataSourceIBMIsVPNServerRoute() *schema.Resource {
	return &schema.Resource{
		ReadContext: dataSourceIBMIsVPNServerRouteRead,

		Schema: map[string]*schema.Schema{
			"vpn_server": &schema.Schema{
				Type:        schema.TypeString,
				Required:    true,
				Description: "The VPN server identifier.",
			},

			"identifier": {
				Type:         schema.TypeString,
				Optional:     true,
				ExactlyOneOf: []string{"name", "identifier"},
				Description:  "The unique identifier for this VPN server route",
			},

			"name": {
				Type:         schema.TypeString,
				Computed:     true,
				Optional:     true,
				ExactlyOneOf: []string{"name", "identifier"},
				Description:  "The unique user-defined name for this VPN server route",
			},

			"action": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The action to perform with a packet matching the VPN route:- `translate`: translate the source IP address to one of the private IP addresses of the VPN server.- `deliver`: deliver the packet into the VPC.- `drop`: drop the packetThe enumerated values for this property are expected to expand in the future. When processing this property, check for and log unknown values. Optionally halt processing and surface the error, or bypass the VPN route on which the unexpected property value was encountered.",
			},
			"created_at": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The date and time that the VPN route was created.",
			},
			"destination": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The destination for this VPN route in the VPN server. If an incoming packet does not match any destination, it will be dropped.",
			},
			"href": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The URL for this VPN route.",
			},
			"health_state": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The health of this resource.- `ok`: Healthy- `degraded`: Suffering from compromised performance, capacity, or connectivity- `faulted`: Completely unreachable, inoperative, or otherwise entirely incapacitated- `inapplicable`: The health state does not apply because of the current lifecycle state. A resource with a lifecycle state of `failed` or `deleting` will have a health state of `inapplicable`. A `pending` resource may also have this state.",
			},
			"health_reasons": {
				Type:     schema.TypeList,
				Computed: true,
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"code": {
							Type:        schema.TypeString,
							Computed:    true,
							Description: "A snake case string succinctly identifying the reason for this health state.",
						},

						"message": {
							Type:        schema.TypeString,
							Computed:    true,
							Description: "An explanation of the reason for this health state.",
						},

						"more_info": {
							Type:        schema.TypeString,
							Computed:    true,
							Description: "Link to documentation about the reason for this health state.",
						},
					},
				},
			},
			"lifecycle_state": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The lifecycle state of the VPN route.",
			},
			"lifecycle_reasons": {
				Type:        schema.TypeList,
				Computed:    true,
				Description: "The reasons for the current lifecycle_state (if any).",
				Elem: &schema.Resource{
					Schema: map[string]*schema.Schema{
						"code": {
							Type:        schema.TypeString,
							Computed:    true,
							Description: "A snake case string succinctly identifying the reason for this lifecycle state.",
						},

						"message": {
							Type:        schema.TypeString,
							Computed:    true,
							Description: "An explanation of the reason for this lifecycle state.",
						},

						"more_info": {
							Type:        schema.TypeString,
							Computed:    true,
							Description: "Link to documentation about the reason for this lifecycle state.",
						},
					},
				},
			},
			"resource_type": &schema.Schema{
				Type:        schema.TypeString,
				Computed:    true,
				Description: "The resource type.",
			},
		},
	}
}

func dataSourceIBMIsVPNServerRouteRead(context context.Context, d *schema.ResourceData, meta interface{}) diag.Diagnostics {
	sess, err := vpcClient(meta)
	if err != nil {
		return diag.FromErr(err)
	}

	var vpnServerRoute *vpcv1.VPNServerRoute

	if v, ok := d.GetOk("identifier"); ok {

		getVPNServerRouteOptions := &vpcv1.GetVPNServerRouteOptions{}

		getVPNServerRouteOptions.SetVPNServerID(d.Get("vpn_server").(string))
		getVPNServerRouteOptions.SetID(v.(string))

		vpnServerRouteInfo, response, err := sess.GetVPNServerRouteWithContext(context, getVPNServerRouteOptions)
		if err != nil {
			log.Printf("[DEBUG] GetVPNServerRouteWithContext failed %s\n%s", err, response)
			return diag.FromErr(fmt.Errorf("[ERROR] GetVPNServerRouteWithContext failed %s\n%s", err, response))
		}
		vpnServerRoute = vpnServerRouteInfo
	} else if v, ok := d.GetOk("name"); ok {
		name := v.(string)

		start := ""
		allrecs := []vpcv1.VPNServerRoute{}

		for {
			listVPNServerRoutesOptions := &vpcv1.ListVPNServerRoutesOptions{}
			listVPNServerRoutesOptions.SetVPNServerID(d.Get("vpn_server").(string))

			if start != "" {
				listVPNServerRoutesOptions.Start = &start
			}
			vpnServerRouteCollection, response, err := sess.ListVPNServerRoutesWithContext(context, listVPNServerRoutesOptions)
			if err != nil {
				log.Printf("[DEBUG] ListVPNServerRoutesWithContext failed %s\n%s", err, response)
				return diag.FromErr(fmt.Errorf("[ERROR] ListVPNServerRoutesWithContext failed %s\n%s", err, response))
			}
			start = flex.GetNext(vpnServerRouteCollection.Next)
			allrecs = append(allrecs, vpnServerRouteCollection.Routes...)
			if start == "" {
				break
			}
		}

		for _, vpnServerRouteInfo := range allrecs {
			if *vpnServerRouteInfo.Name == name {
				vpnServerRoute = &vpnServerRouteInfo
				break
			}
		}
		if vpnServerRoute == nil {
			log.Printf("[DEBUG] No vpnServer route found with name %s", name)
			return diag.FromErr(fmt.Errorf("[ERROR] No vpn server route found with name %s", name))
		}
	}

	d.SetId(fmt.Sprintf("%s/%s", d.Get("vpn_server").(string), *vpnServerRoute.ID))

	if err = d.Set("vpn_server", d.Get("vpn_server").(string)); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting vpn_server: %s", err))
	}

	if err = d.Set("identifier", *vpnServerRoute.ID); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting identifier: %s", err))
	}
	if err = d.Set("action", vpnServerRoute.Action); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting action: %s", err))
	}
	if err = d.Set("created_at", flex.DateTimeToString(vpnServerRoute.CreatedAt)); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting created_at: %s", err))
	}
	if err = d.Set("destination", vpnServerRoute.Destination); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting destination: %s", err))
	}
	if err = d.Set("href", vpnServerRoute.Href); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting href: %s", err))
	}
	if err = d.Set("health_state", vpnServerRoute.HealthState); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting health_state: %s", err))
	}
	if vpnServerRoute.HealthReasons != nil {
		if err := d.Set("health_reasons", resourceVPNServerRouteFlattenHealthReasons(vpnServerRoute.HealthReasons)); err != nil {
			return diag.FromErr(fmt.Errorf("[ERROR] Error setting health_reasons: %s", err))
		}
	}
	if err = d.Set("lifecycle_state", vpnServerRoute.LifecycleState); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting lifecycle_state: %s", err))
	}
	if vpnServerRoute.LifecycleReasons != nil {
		if err := d.Set("lifecycle_reasons", resourceVPNServerRouteFlattenLifecycleReasons(vpnServerRoute.LifecycleReasons)); err != nil {
			return diag.FromErr(fmt.Errorf("[ERROR] Error setting lifecycle_reasons: %s", err))
		}
	}
	if err = d.Set("name", vpnServerRoute.Name); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting name: %s", err))
	}
	if err = d.Set("resource_type", vpnServerRoute.ResourceType); err != nil {
		return diag.FromErr(fmt.Errorf("[ERROR] Error setting resource_type: %s", err))
	}

	return nil
}