/
resource_redis.go
267 lines (233 loc) · 9.2 KB
/
resource_redis.go
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package database
import (
"context"
"encoding/json"
"fmt"
"net/http"
"github.com/hashicorp/terraform-plugin-framework-validators/setvalidator"
"github.com/hashicorp/terraform-plugin-framework/diag"
"github.com/hashicorp/terraform-plugin-framework/resource/schema"
"github.com/hashicorp/terraform-plugin-framework/schema/validator"
"github.com/hashicorp/terraform-plugin-framework/types"
"github.com/hashicorp/terraform-plugin-log/tflog"
"github.com/exoscale/egoscale/v2/oapi"
"github.com/exoscale/terraform-provider-exoscale/pkg/validators"
)
type ResourceRedisModel struct {
IpFilter types.Set `tfsdk:"ip_filter"`
Settings types.String `tfsdk:"redis_settings"`
}
var ResourceRedisSchema = schema.SingleNestedBlock{
MarkdownDescription: "*redis* database service type specific arguments. Structure is documented below.",
Attributes: map[string]schema.Attribute{
"ip_filter": schema.SetAttribute{
ElementType: types.StringType,
MarkdownDescription: "A list of CIDR blocks to allow incoming connections from.",
Optional: true,
Computed: true,
Validators: []validator.Set{
setvalidator.ValueStringsAre(validators.IsCIDRNetworkValidator{Min: 0, Max: 128}),
},
},
"redis_settings": schema.StringAttribute{
MarkdownDescription: "Redis configuration settings in JSON format (`exo dbaas type show redis --settings=redis` for reference).",
Optional: true,
Computed: true,
},
},
}
// createRedis function handles Redis specific part of database resource creation logic.
func (r *Resource) createRedis(ctx context.Context, data *ResourceModel, diagnostics *diag.Diagnostics) {
service := oapi.CreateDbaasServiceRedisJSONRequestBody{
Plan: data.Plan.ValueString(),
TerminationProtection: data.TerminationProtection.ValueBoolPointer(),
}
if !data.MaintenanceDOW.IsUnknown() && !data.MaintenanceTime.IsUnknown() {
service.Maintenance = &struct {
Dow oapi.CreateDbaasServiceRedisJSONBodyMaintenanceDow `json:"dow"`
Time string `json:"time"`
}{
Dow: oapi.CreateDbaasServiceRedisJSONBodyMaintenanceDow(data.MaintenanceDOW.ValueString()),
Time: data.MaintenanceTime.ValueString(),
}
}
if data.Redis != nil {
if !data.Redis.IpFilter.IsUnknown() {
obj := []string{}
if len(data.Redis.IpFilter.Elements()) > 0 {
dg := data.Redis.IpFilter.ElementsAs(ctx, &obj, false)
if dg.HasError() {
diagnostics.Append(dg...)
return
}
}
service.IpFilter = &obj
}
if !data.Redis.Settings.IsUnknown() {
settingsSchema, err := r.client.GetDbaasSettingsRedisWithResponse(ctx)
if err != nil {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read database settings schema, got error: %s", err))
return
}
if settingsSchema.StatusCode() != http.StatusOK {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read database settings schema, unexpected status: %s", settingsSchema.Status()))
return
}
obj, err := validateSettings(data.Redis.Settings.ValueString(), settingsSchema.JSON200.Settings.Redis)
if err != nil {
diagnostics.AddError("Validation error", fmt.Sprintf("invalid settings: %s", err))
return
}
service.RedisSettings = &obj
}
}
res, err := r.client.CreateDbaasServiceRedisWithResponse(
ctx,
oapi.DbaasServiceName(data.Name.ValueString()),
service,
)
if err != nil {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to create database service redis, got error: %s", err))
return
}
if res.StatusCode() != http.StatusOK {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to create database service redis, unexpected status: %s", res.Status()))
return
}
r.readRedis(ctx, data, diagnostics)
}
// readRedis function handles Redis specific part of database resource Read logic.
// It is used in the dedicated Read action but also as a finishing step of Create, Update and Import.
func (r *Resource) readRedis(ctx context.Context, data *ResourceModel, diagnostics *diag.Diagnostics) {
caCert, err := r.client.GetDatabaseCACertificate(ctx, data.Zone.ValueString())
if err != nil {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to get CA Certificate: %s", err))
return
}
data.CA = types.StringValue(caCert)
res, err := r.client.GetDbaasServiceRedisWithResponse(ctx, oapi.DbaasServiceName(data.Id.ValueString()))
if err != nil {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read database service redis, got error: %s", err))
return
}
if res.StatusCode() != http.StatusOK {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read database service redis, unexpected status: %s", res.Status()))
return
}
apiService := res.JSON200
data.CreatedAt = types.StringValue(apiService.CreatedAt.String())
data.DiskSize = types.Int64PointerValue(apiService.DiskSize)
data.NodeCPUs = types.Int64PointerValue(apiService.NodeCpuCount)
data.NodeMemory = types.Int64PointerValue(apiService.NodeMemory)
data.Nodes = types.Int64PointerValue(apiService.NodeCount)
data.State = types.StringPointerValue((*string)(apiService.State))
data.TerminationProtection = types.BoolPointerValue(apiService.TerminationProtection)
data.UpdatedAt = types.StringValue(apiService.UpdatedAt.String())
data.MaintenanceDOW = types.StringNull()
data.MaintenanceTime = types.StringNull()
if apiService.Maintenance != nil {
data.MaintenanceDOW = types.StringValue(string(apiService.Maintenance.Dow))
data.MaintenanceTime = types.StringValue(apiService.Maintenance.Time)
}
// Database block is required but it may be nil during import.
if data.Redis == nil {
data.Redis = &ResourceRedisModel{}
}
data.Redis.IpFilter = types.SetNull(types.StringType)
if apiService.IpFilter != nil {
v, dg := types.SetValueFrom(ctx, types.StringType, *apiService.IpFilter)
if dg.HasError() {
diagnostics.Append(dg...)
return
}
data.Redis.IpFilter = v
}
data.Redis.Settings = types.StringNull()
if apiService.RedisSettings != nil {
settings, err := json.Marshal(*apiService.RedisSettings)
if err != nil {
diagnostics.AddError("Validation error", fmt.Sprintf("invalid settings: %s", err))
return
}
data.Redis.Settings = types.StringValue(string(settings))
}
}
// updateRedis function handles Redis specific part of database resource Update logic.
func (r *Resource) updateRedis(ctx context.Context, stateData *ResourceModel, planData *ResourceModel, diagnostics *diag.Diagnostics) {
var updated bool
service := oapi.UpdateDbaasServiceRedisJSONRequestBody{}
if (!planData.MaintenanceDOW.Equal(stateData.MaintenanceDOW) && !planData.MaintenanceDOW.IsUnknown()) ||
(!planData.MaintenanceTime.Equal(stateData.MaintenanceTime) && !planData.MaintenanceTime.IsUnknown()) {
service.Maintenance = &struct {
Dow oapi.UpdateDbaasServiceRedisJSONBodyMaintenanceDow `json:"dow"`
Time string `json:"time"`
}{
Dow: oapi.UpdateDbaasServiceRedisJSONBodyMaintenanceDow(planData.MaintenanceDOW.ValueString()),
Time: planData.MaintenanceTime.ValueString(),
}
updated = true
}
if !planData.Plan.Equal(stateData.Plan) {
service.Plan = planData.Plan.ValueStringPointer()
updated = true
}
if !planData.TerminationProtection.Equal(stateData.TerminationProtection) {
service.TerminationProtection = planData.TerminationProtection.ValueBoolPointer()
updated = true
}
if planData.Redis != nil {
if stateData.Redis == nil {
stateData.Redis = &ResourceRedisModel{}
}
if !planData.Redis.IpFilter.Equal(stateData.Redis.IpFilter) {
obj := []string{}
if len(planData.Redis.IpFilter.Elements()) > 0 {
dg := planData.Redis.IpFilter.ElementsAs(ctx, &obj, false)
if dg.HasError() {
diagnostics.Append(dg...)
return
}
}
service.IpFilter = &obj
updated = true
}
if !planData.Redis.Settings.Equal(stateData.Redis.Settings) {
settingsSchema, err := r.client.GetDbaasSettingsRedisWithResponse(ctx)
if err != nil {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read database settings schema, got error: %s", err))
return
}
if settingsSchema.StatusCode() != http.StatusOK {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to read database settings schema, unexpected status: %s", settingsSchema.Status()))
return
}
if planData.Redis.Settings.ValueString() != "" {
obj, err := validateSettings(planData.Redis.Settings.ValueString(), settingsSchema.JSON200.Settings.Redis)
if err != nil {
diagnostics.AddError("Validation error", fmt.Sprintf("invalid Redis settings: %s", err))
return
}
service.RedisSettings = &obj
}
updated = true
}
}
if !updated {
tflog.Info(ctx, "no updates detected", map[string]interface{}{})
} else {
res, err := r.client.UpdateDbaasServiceRedisWithResponse(
ctx,
oapi.DbaasServiceName(planData.Id.ValueString()),
service,
)
if err != nil {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to create database service redis, got error: %s", err))
return
}
if res.StatusCode() != http.StatusOK {
diagnostics.AddError("Client Error", fmt.Sprintf("Unable to create database service redis, unexpected status: %s", res.Status()))
return
}
}
r.readRedis(ctx, planData, diagnostics)
}