/
database.go
177 lines (144 loc) · 5.04 KB
/
database.go
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package helper
import (
"context"
"fmt"
"time"
"github.com/hashicorp/terraform-plugin-framework/attr"
"github.com/hashicorp/terraform-plugin-framework/diag"
"github.com/hashicorp/terraform-plugin-framework/types"
"github.com/hashicorp/terraform-plugin-framework/types/basetypes"
"github.com/linode/linodego"
)
var ValidDatabaseTypes = []string{"postgresql", "mysql"}
var UpdateObjectType = types.ObjectType{
AttrTypes: map[string]attr.Type{
"day_of_week": types.StringType,
"duration": types.Int64Type,
"frequency": types.StringType,
"hour_of_day": types.Int64Type,
"week_of_month": types.Int64Type,
},
}
func ResolveValidDBEngine(
ctx context.Context, client linodego.Client, engine string,
) (*linodego.DatabaseEngine, error) {
filter := linodego.Filter{}
filter.AddField(linodego.Eq, "engine", engine)
filterBytes, err := filter.MarshalJSON()
if err != nil {
return nil, err
}
engines, err := client.ListDatabaseEngines(ctx, &linodego.ListOptions{
Filter: string(filterBytes),
})
if err != nil {
return nil, err
}
if len(engines) < 1 {
return nil, fmt.Errorf("no db engines were found")
}
return &engines[0], nil
}
var dayOfWeekStrToKey = map[string]linodego.DatabaseDayOfWeek{
"sunday": linodego.DatabaseMaintenanceDaySunday,
"monday": linodego.DatabaseMaintenanceDayMonday,
"tuesday": linodego.DatabaseMaintenanceDayTuesday,
"wednesday": linodego.DatabaseMaintenanceDayWednesday,
"thursday": linodego.DatabaseMaintenanceDayThursday,
"friday": linodego.DatabaseMaintenanceDayFriday,
"saturday": linodego.DatabaseMaintenanceDaySaturday,
}
var dayOfWeekKeyToStr = map[linodego.DatabaseDayOfWeek]string{
linodego.DatabaseMaintenanceDaySunday: "sunday",
linodego.DatabaseMaintenanceDayMonday: "monday",
linodego.DatabaseMaintenanceDayTuesday: "tuesday",
linodego.DatabaseMaintenanceDayWednesday: "wednesday",
linodego.DatabaseMaintenanceDayThursday: "thursday",
linodego.DatabaseMaintenanceDayFriday: "friday",
linodego.DatabaseMaintenanceDaySaturday: "saturday",
}
func ExpandDayOfWeek(day string) (linodego.DatabaseDayOfWeek, error) {
result, ok := dayOfWeekStrToKey[day]
if !ok {
return 0, fmt.Errorf("invalid day of week: %s", day)
}
return result, nil
}
func FlattenDayOfWeek(day linodego.DatabaseDayOfWeek) string {
return dayOfWeekKeyToStr[day]
}
func CreateDatabaseEngineSlug(engine, version string) string {
return fmt.Sprintf("%s/%s", engine, version)
}
func FlattenMaintenanceWindow(window linodego.MySQLDatabaseMaintenanceWindow) map[string]interface{} {
result := make(map[string]interface{})
result["day_of_week"] = FlattenDayOfWeek(window.DayOfWeek)
result["duration"] = window.Duration
result["frequency"] = string(window.Frequency)
result["hour_of_day"] = window.HourOfDay
// Nullable
if window.WeekOfMonth != nil {
result["week_of_month"] = window.WeekOfMonth
}
return result
}
func ExpandMaintenanceWindow(window map[string]interface{}) (linodego.DatabaseMaintenanceWindow, error) {
result := linodego.DatabaseMaintenanceWindow{
Duration: window["duration"].(int),
Frequency: linodego.DatabaseMaintenanceFrequency(window["frequency"].(string)),
HourOfDay: window["hour_of_day"].(int),
WeekOfMonth: nil,
}
dayOfWeek, err := ExpandDayOfWeek(window["day_of_week"].(string))
if err != nil {
return result, err
}
result.DayOfWeek = dayOfWeek
if val, ok := window["week_of_month"]; ok && val.(int) > 0 {
valInt := val.(int)
result.WeekOfMonth = &valInt
}
return result, nil
}
func WaitForDatabaseUpdated(ctx context.Context, client linodego.Client, dbID int,
dbType linodego.DatabaseEngineType, minStart *time.Time, timeoutSeconds int,
) error {
if minStart == nil {
return fmt.Errorf("nil minimum starting time")
}
_, err := client.WaitForEventFinished(ctx, dbID, linodego.EntityDatabase,
linodego.ActionDatabaseUpdate, *minStart, timeoutSeconds)
if err != nil {
return fmt.Errorf("failed to wait for database update: %s", err)
}
// Sometimes the event has finished but the status hasn't caught up
err = client.WaitForDatabaseStatus(ctx, dbID, dbType,
linodego.DatabaseStatusActive, timeoutSeconds)
if err != nil {
return fmt.Errorf("failed to wait for database active: %s", err)
}
return nil
}
func FlattenDatabaseMaintenanceWindow(ctx context.Context, maintenance linodego.DatabaseMaintenanceWindow) (
*basetypes.ListValue, diag.Diagnostics,
) {
result := make(map[string]attr.Value)
result["day_of_week"] = types.StringValue(FlattenDayOfWeek(maintenance.DayOfWeek))
result["duration"] = types.Int64Value(int64(maintenance.Duration))
result["frequency"] = types.StringValue(string(maintenance.Frequency))
result["hour_of_day"] = types.Int64Value(int64(maintenance.HourOfDay))
result["week_of_month"] = IntPointerValueWithDefault(maintenance.WeekOfMonth)
obj, diag := types.ObjectValue(UpdateObjectType.AttrTypes, result)
if diag.HasError() {
return nil, diag
}
objList := []attr.Value{obj}
resultList, diag := basetypes.NewListValue(
UpdateObjectType,
objList,
)
if diag.HasError() {
return nil, diag
}
return &resultList, nil
}