/
pool_resource.go
457 lines (379 loc) · 13.8 KB
/
pool_resource.go
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// Package alb provides a Terraform resource.
package alb
import (
"context"
"errors"
"fmt"
"strings"
"github.com/vmware/go-vcloud-director/v2/govcd"
govcdtypes "github.com/vmware/go-vcloud-director/v2/types/v56"
"github.com/hashicorp/terraform-plugin-framework/diag"
"github.com/hashicorp/terraform-plugin-framework/path"
"github.com/hashicorp/terraform-plugin-framework/types"
"github.com/hashicorp/terraform-plugin-framework/types/basetypes"
"github.com/hashicorp/terraform-plugin-framework/resource"
"github.com/orange-cloudavenue/terraform-provider-cloudavenue/internal/client"
"github.com/orange-cloudavenue/terraform-provider-cloudavenue/internal/metrics"
"github.com/orange-cloudavenue/terraform-provider-cloudavenue/internal/provider/common/edgegw"
"github.com/orange-cloudavenue/terraform-provider-cloudavenue/internal/provider/common/org"
"github.com/orange-cloudavenue/terraform-provider-cloudavenue/pkg/utils"
)
// Ensure the implementation satisfies the expected interfaces.
var (
_ resource.Resource = &albPoolResource{}
_ resource.ResourceWithConfigure = &albPoolResource{}
_ resource.ResourceWithImportState = &albPoolResource{}
_ albPool = &albPoolResource{}
)
// NewAlbPoolResource is a helper function to simplify the provider implementation.
func NewAlbPoolResource() resource.Resource {
return &albPoolResource{}
}
// albPoolResource is the resource implementation.
type albPoolResource struct {
client *client.CloudAvenue
org org.Org
edgegw edgegw.BaseEdgeGW
albPool base
}
// Metadata returns the resource type name.
func (r *albPoolResource) Metadata(_ context.Context, req resource.MetadataRequest, resp *resource.MetadataResponse) {
resp.TypeName = req.ProviderTypeName + "_" + categoryName + "_pool"
}
// Schema defines the schema for the resource.
func (r *albPoolResource) Schema(ctx context.Context, _ resource.SchemaRequest, resp *resource.SchemaResponse) {
resp.Schema = albPoolSchema().GetResource(ctx)
}
func (r *albPoolResource) Init(ctx context.Context, rm *albPoolModel) (diags diag.Diagnostics) {
r.albPool = base{
name: rm.Name.ValueString(),
id: rm.ID.ValueString(),
}
r.edgegw = edgegw.BaseEdgeGW{
ID: rm.EdgeGatewayID,
Name: rm.EdgeGatewayName,
}
r.org, diags = org.Init(r.client)
return
}
func (r *albPoolResource) Configure(ctx context.Context, req resource.ConfigureRequest, resp *resource.ConfigureResponse) {
// Prevent panic if the provider has not been configured.
if req.ProviderData == nil {
return
}
client, ok := req.ProviderData.(*client.CloudAvenue)
if !ok {
resp.Diagnostics.AddError(
"Unexpected Resource Configure Type",
fmt.Sprintf("Expected *client.CloudAvenue, got: %T. Please report this issue to the provider developers.", req.ProviderData),
)
return
}
r.client = client
}
// Create creates the resource and sets the initial Terraform state.
func (r *albPoolResource) Create(ctx context.Context, req resource.CreateRequest, resp *resource.CreateResponse) {
defer metrics.New("cloudavenue_alb_pool", r.client.GetOrgName(), metrics.Create)()
// Retrieve values from plan
var (
plan *albPoolModel
)
resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
if resp.Diagnostics.HasError() {
return
}
// Init
resp.Diagnostics.Append(r.Init(ctx, plan)...)
if resp.Diagnostics.HasError() {
return
}
// Prepare config.
albPoolConfig, err := r.getAlbPoolConfig(ctx, plan)
if err != nil {
resp.Diagnostics.AddError("Unable to prepare ALB Pool Config", err.Error())
return
}
// Lock EdgeGW
edgeGW, err := r.org.GetEdgeGateway(r.edgegw)
if err != nil {
resp.Diagnostics.AddError("Unable to get Edge Gateway", err.Error())
return
}
edgeGW.Lock(ctx)
defer edgeGW.Unlock(ctx)
// Create ALB Pool
createdAlbPool, err := r.client.Vmware.CreateNsxtAlbPool(albPoolConfig)
if err != nil {
resp.Diagnostics.AddError("Unable to create ALB Pool", err.Error())
return
}
// Store ID
plan.ID = utils.StringValueOrNull(createdAlbPool.NsxtAlbPool.ID)
// Set state to fully populated data
resp.Diagnostics.Append(resp.State.Set(ctx, &plan)...)
}
// Read refreshes the Terraform state with the latest data.
func (r *albPoolResource) Read(ctx context.Context, req resource.ReadRequest, resp *resource.ReadResponse) {
defer metrics.New("cloudavenue_alb_pool", r.client.GetOrgName(), metrics.Read)()
var (
state *albPoolModel
diags diag.Diagnostics
)
// Get current state
resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
if resp.Diagnostics.HasError() {
return
}
resp.Diagnostics.Append(r.Init(ctx, state)...)
if resp.Diagnostics.HasError() {
return
}
// Get albPool.
albPool, err := r.GetAlbPool()
if err != nil {
if govcd.ContainsNotFound(err) {
resp.State.RemoveResource(ctx)
return
}
resp.Diagnostics.AddError("Unable to find ALB Pool", err.Error())
return
}
// Set data
plan := &albPoolModel{
ID: utils.StringValueOrNull(albPool.NsxtAlbPool.ID),
Name: state.Name,
Description: utils.StringValueOrNull(albPool.NsxtAlbPool.Description),
EdgeGatewayID: state.EdgeGatewayID,
EdgeGatewayName: state.EdgeGatewayName,
Enabled: types.BoolValue(*albPool.NsxtAlbPool.Enabled),
Algorithm: utils.StringValueOrNull(albPool.NsxtAlbPool.Algorithm),
DefaultPort: types.Int64Value(int64(*albPool.NsxtAlbPool.DefaultPort)),
GracefulTimeoutPeriod: types.Int64Value(int64(*albPool.NsxtAlbPool.GracefulTimeoutPeriod)),
PassiveMonitoringEnabled: types.BoolValue(*albPool.NsxtAlbPool.PassiveMonitoringEnabled),
Members: types.SetNull(types.ObjectType{AttrTypes: memberAttrTypes}),
HealthMonitors: types.SetNull(types.StringType),
PersistenceProfile: types.ObjectNull(persistenceProfileAttrTypes),
}
// Set members
if members := processMembers(albPool.NsxtAlbPool.Members); len(members) > 0 {
plan.Members, diags = types.SetValueFrom(ctx, types.ObjectType{AttrTypes: memberAttrTypes}, members)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
}
// Set health monitors.
healthMonitors := processHealthMonitors(albPool.NsxtAlbPool.HealthMonitors)
if len(healthMonitors) > 0 {
plan.HealthMonitors, diags = types.SetValueFrom(ctx, types.StringType, healthMonitors)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
}
// Set persistence profile
p := processPersistenceProfile(albPool.NsxtAlbPool.PersistenceProfile)
if p != (persistenceProfile{}) {
plan.PersistenceProfile, diags = types.ObjectValueFrom(ctx, persistenceProfileAttrTypes, p)
resp.Diagnostics.Append(diags...)
if resp.Diagnostics.HasError() {
return
}
}
// Set refreshed state
resp.Diagnostics.Append(resp.State.Set(ctx, &plan)...)
}
// Update updates the resource and sets the updated Terraform state on success.
func (r *albPoolResource) Update(ctx context.Context, req resource.UpdateRequest, resp *resource.UpdateResponse) {
defer metrics.New("cloudavenue_alb_pool", r.client.GetOrgName(), metrics.Update)()
var plan *albPoolModel
// Get current state
resp.Diagnostics.Append(req.Plan.Get(ctx, &plan)...)
if resp.Diagnostics.HasError() {
return
}
// Init
resp.Diagnostics.Append(r.Init(ctx, plan)...)
if resp.Diagnostics.HasError() {
return
}
// Get albPool
albPool, err := r.GetAlbPool()
if err != nil {
resp.Diagnostics.AddError("Unable to find ALB Pool", err.Error())
return
}
// Prepare config.
albPoolConfig, err := r.getAlbPoolConfig(ctx, plan)
if err != nil {
resp.Diagnostics.AddError("Unable to prepare ALB Pool Config", err.Error())
return
}
// Lock EdgeGW
edgeGW, err := r.org.GetEdgeGateway(r.edgegw)
if err != nil {
resp.Diagnostics.AddError("Unable to get Edge Gateway", err.Error())
return
}
edgeGW.Lock(ctx)
defer edgeGW.Unlock(ctx)
// Update ALB Pool.
_, err = albPool.Update(albPoolConfig)
if err != nil {
resp.Diagnostics.AddError("Unable to update ALB Pool", err.Error())
return
}
// Set state to fully populated data
resp.Diagnostics.Append(resp.State.Set(ctx, &plan)...)
}
// Delete deletes the resource and removes the Terraform state on success.
func (r *albPoolResource) Delete(ctx context.Context, req resource.DeleteRequest, resp *resource.DeleteResponse) {
defer metrics.New("cloudavenue_alb_pool", r.client.GetOrgName(), metrics.Delete)()
var state *albPoolModel
// Get current state
resp.Diagnostics.Append(req.State.Get(ctx, &state)...)
if resp.Diagnostics.HasError() {
return
}
// Init
resp.Diagnostics.Append(r.Init(ctx, state)...)
if resp.Diagnostics.HasError() {
return
}
// Lock EdgeGW
edgeGW, err := r.org.GetEdgeGateway(r.edgegw)
if err != nil {
resp.Diagnostics.AddError("Unable to get Edge Gateway", err.Error())
return
}
edgeGW.Lock(ctx)
defer edgeGW.Unlock(ctx)
// Get albPool
albPool, err := r.GetAlbPool()
if err != nil {
resp.Diagnostics.AddError("Unable to find ALB Pool", err.Error())
return
}
err = albPool.Delete()
if err != nil {
resp.Diagnostics.AddError("Unable to delete ALB Pool", err.Error())
return
}
}
func (r *albPoolResource) ImportState(ctx context.Context, req resource.ImportStateRequest, resp *resource.ImportStateResponse) {
defer metrics.New("cloudavenue_alb_pool", r.client.GetOrgName(), metrics.Import)()
idParts := strings.Split(req.ID, ".")
if len(idParts) != 2 {
resp.Diagnostics.AddError(
"Unexpected Import Identifier",
fmt.Sprintf("Expected import identifier with format: edge_gateway_name.alb_pool_name. Got: %q", req.ID),
)
return
}
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("edge_gateway_name"), idParts[0])...)
resp.Diagnostics.Append(resp.State.SetAttribute(ctx, path.Root("name"), idParts[1])...)
}
// GetID returns the ID of the albPool.
func (r *albPoolResource) GetID() string {
return r.albPool.id
}
// GetName returns the name of the albPool.
func (r *albPoolResource) GetName() string {
return r.albPool.name
}
// GetAlbPool returns the govcd.NsxtAlbPool.
func (r *albPoolResource) GetAlbPool() (*govcd.NsxtAlbPool, error) {
if r.GetID() != "" {
return r.client.Vmware.GetAlbPoolById(r.GetID())
}
nsxtEdge, err := r.org.GetEdgeGateway(r.edgegw)
if err != nil {
return nil, fmt.Errorf("could not retrieve Edge gateway '%s'", r.edgegw.GetIDOrName())
}
return r.client.Vmware.GetAlbPoolByName(nsxtEdge.EdgeGateway.ID, r.GetName())
}
// getAlbPoolConfig is the main function for getting *govcdtypes.NsxtAlbPool for API request. It nests multiple smaller
// functions for smaller types.
func (r *albPoolResource) getAlbPoolConfig(ctx context.Context, d *albPoolModel) (*govcdtypes.NsxtAlbPool, error) {
edge, err := r.org.GetEdgeGateway(r.edgegw)
if err != nil {
return nil, err
}
albPoolConfig := &govcdtypes.NsxtAlbPool{
ID: r.GetID(),
Name: d.Name.ValueString(),
Description: d.Description.ValueString(),
Enabled: d.Enabled.ValueBoolPointer(),
GatewayRef: govcdtypes.OpenApiReference{
ID: edge.GetID(),
},
Algorithm: d.Algorithm.ValueString(),
DefaultPort: utils.TakeIntPointer(int(d.DefaultPort.ValueInt64())),
GracefulTimeoutPeriod: utils.TakeIntPointer(int(d.GracefulTimeoutPeriod.ValueInt64())),
PassiveMonitoringEnabled: d.PassiveMonitoringEnabled.ValueBoolPointer(),
}
poolMembers, err := r.getAlbPoolMembersType(ctx, d)
if err != nil {
return nil, fmt.Errorf("error defining pool members: %w", err)
}
albPoolConfig.Members = poolMembers
persistenceProfile, err := r.getAlbPoolPersistenceProfileType(ctx, d)
if err != nil && !errors.Is(err, ErrPersistenceProfileIsEmpty) {
return nil, fmt.Errorf("error defining persistence profile: %w", err)
}
albPoolConfig.PersistenceProfile = persistenceProfile
healthMonitors, err := r.getAlbPoolHealthMonitorType(ctx, d)
if err != nil {
return nil, fmt.Errorf("error defining health monitors: %w", err)
}
albPoolConfig.HealthMonitors = healthMonitors
return albPoolConfig, nil
}
// getAlbPoolMembersType.
func (r *albPoolResource) getAlbPoolMembersType(ctx context.Context, d *albPoolModel) ([]govcdtypes.NsxtAlbPoolMember, error) {
var members []member
diags := d.Members.ElementsAs(ctx, &members, true)
if diags.HasError() {
return nil, errors.New(diags[0].Detail())
}
memberSlice := make([]govcdtypes.NsxtAlbPoolMember, 0)
for _, memberDefinition := range members {
memberSlice = append(memberSlice, govcdtypes.NsxtAlbPoolMember{
Enabled: memberDefinition.Enabled.ValueBool(),
IpAddress: memberDefinition.IPAddress.ValueString(),
Ratio: utils.TakeIntPointer(int(memberDefinition.Ratio.ValueInt64())),
Port: int(memberDefinition.Port.ValueInt64()),
})
}
return memberSlice, nil
}
// getAlbPoolPersistenceProfileType.
func (r *albPoolResource) getAlbPoolPersistenceProfileType(ctx context.Context, d *albPoolModel) (*govcdtypes.NsxtAlbPoolPersistenceProfile, error) {
if d.PersistenceProfile.IsNull() {
return nil, ErrPersistenceProfileIsEmpty
}
p := &persistenceProfile{}
if diags := d.PersistenceProfile.As(ctx, p, basetypes.ObjectAsOptions{
UnhandledNullAsEmpty: false,
UnhandledUnknownAsEmpty: false,
}); diags.HasError() {
return nil, errors.New(diags[0].Detail())
}
return &govcdtypes.NsxtAlbPoolPersistenceProfile{
Type: p.Type.ValueString(),
Value: p.Value.ValueString(),
}, nil
}
// getAlbPoolHealthMonitorType.
func (r *albPoolResource) getAlbPoolHealthMonitorType(ctx context.Context, d *albPoolModel) (healthMonitors []govcdtypes.NsxtAlbPoolHealthMonitor, err error) {
var healthMonitorsSlice []string
if diags := d.HealthMonitors.ElementsAs(ctx, &healthMonitorsSlice, true); diags.HasError() {
return nil, errors.New(diags[0].Detail())
}
for _, healthMonitor := range healthMonitorsSlice {
healthMonitors = append(healthMonitors, govcdtypes.NsxtAlbPoolHealthMonitor{
Type: healthMonitor,
})
}
return
}