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common_spotinst_resource.go
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common_spotinst_resource.go
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package commons
import (
"encoding/json"
"log"
"math/rand"
"time"
"github.com/hashicorp/terraform-plugin-sdk/v2/helper/schema"
)
func init() {
rand.Seed(time.Now().UnixNano())
// Remove timestamp from provider logger, use the timestamp from the Terraform logger.
log.SetFlags(log.Flags() &^ (log.Ldate | log.Ltime))
}
type (
hasFieldChange func(resourceData *schema.ResourceData, meta interface{}) bool
onFieldRead func(resourceObject interface{}, resourceData *schema.ResourceData, meta interface{}) error
onFieldCreate func(resourceObject interface{}, resourceData *schema.ResourceData, meta interface{}) error
onFieldUpdate func(resourceObject interface{}, resourceData *schema.ResourceData, meta interface{}) error
)
type GenericResource struct {
fields *GenericFields
resourceName ResourceName
}
type GenericField struct {
resourceAffinity ResourceAffinity
fieldNameStr string
fieldName FieldName
schema *schema.Schema
onRead onFieldRead
onCreate onFieldCreate
onUpdate onFieldUpdate
hasChangeCustom hasFieldChange
}
type GenericFields struct {
fieldsMap map[FieldName]*GenericField
schemaMap map[string]*schema.Schema
}
func NewGenericField(
resourceAffinity ResourceAffinity,
fieldName FieldName,
schema *schema.Schema,
onRead onFieldRead,
onCreate onFieldCreate,
onUpdate onFieldUpdate,
hasChangeCustom hasFieldChange,
) *GenericField {
return &GenericField{
resourceAffinity: resourceAffinity,
fieldNameStr: string(fieldName),
fieldName: fieldName,
schema: schema,
onRead: onRead,
onCreate: onCreate,
onUpdate: onUpdate,
hasChangeCustom: hasChangeCustom,
}
}
func NewGenericFields(fieldsMap map[FieldName]*GenericField) *GenericFields {
var schemaMap = make(map[string]*schema.Schema)
for _, field := range fieldsMap {
schemaMap[field.fieldNameStr] = field.schema
}
return &GenericFields{
fieldsMap: fieldsMap,
schemaMap: schemaMap,
}
}
func (field *GenericField) GetSchema() *schema.Schema {
return field.schema
}
func (field *GenericField) hasFieldChange(resourceData *schema.ResourceData, meta interface{}) bool {
if field.hasChangeCustom != nil {
return field.hasChangeCustom(resourceData, meta)
}
return resourceData.HasChange(field.fieldNameStr)
}
func (res *GenericResource) GetField(fieldName FieldName) *GenericField {
if res.fields != nil && res.fields.fieldsMap != nil {
return res.fields.fieldsMap[fieldName]
}
return nil
}
func (res *GenericResource) GetSchemaMap() map[string]*schema.Schema {
if res.fields == nil || res.fields.schemaMap == nil || len(res.fields.schemaMap) == 0 {
log.Printf("[ERROR] Resource schema is nil or empty")
return nil
}
return res.fields.schemaMap
}
func (res *GenericResource) GetName() string {
return string(res.resourceName)
}
func ToJson(object interface{}) (string, error) {
if bytes, err := json.MarshalIndent(object, "", " "); err != nil {
return "", err
} else {
return string(bytes), nil
}
}