driftctl/pkg/resource/schemas.go

112 lines
2.9 KiB
Go

package resource
import (
"strings"
"github.com/hashicorp/terraform/configs/configschema"
"github.com/hashicorp/terraform/providers"
"github.com/sirupsen/logrus"
)
type AttributeSchema struct {
ConfigSchema configschema.Attribute
JsonString bool
}
type Schema struct {
Attributes map[string]AttributeSchema
NormalizeFunc func(val *Attributes)
}
func (s *Schema) IsComputedField(path []string) bool {
metadata, exist := s.Attributes[strings.Join(path, ".")]
if !exist {
return false
}
return metadata.ConfigSchema.Computed
}
func (s *Schema) IsJsonStringField(path []string) bool {
metadata, exist := s.Attributes[strings.Join(path, ".")]
if !exist {
return false
}
return metadata.JsonString
}
type SchemaRepositoryInterface interface {
GetSchema(resourceType string) (*Schema, bool)
UpdateSchema(typ string, schemasMutators map[string]func(attributeSchema *AttributeSchema))
SetNormalizeFunc(typ string, normalizeFunc func(val *Attributes))
}
type SchemaRepository struct {
schemas map[string]*Schema
}
func NewSchemaRepository() *SchemaRepository {
return &SchemaRepository{
schemas: make(map[string]*Schema),
}
}
func (r *SchemaRepository) GetSchema(resourceType string) (*Schema, bool) {
schema, exist := r.schemas[resourceType]
return schema, exist
}
func (r *SchemaRepository) fetchNestedBlocks(root string, metadata map[string]AttributeSchema, block map[string]*configschema.NestedBlock) {
for s, nestedBlock := range block {
path := s
if root != "" {
path = strings.Join([]string{root, s}, ".")
}
for s2, attr := range nestedBlock.Attributes {
nestedPath := strings.Join([]string{path, s2}, ".")
metadata[nestedPath] = AttributeSchema{
ConfigSchema: *attr,
}
}
r.fetchNestedBlocks(path, metadata, nestedBlock.BlockTypes)
}
}
func (r *SchemaRepository) Init(schema map[string]providers.Schema) {
for typ, sch := range schema {
attributeMetas := map[string]AttributeSchema{}
for s, attribute := range sch.Block.Attributes {
attributeMetas[s] = AttributeSchema{
ConfigSchema: *attribute,
}
}
r.fetchNestedBlocks("", attributeMetas, sch.Block.BlockTypes)
r.schemas[typ] = &Schema{
Attributes: attributeMetas,
}
}
}
func (r *SchemaRepository) UpdateSchema(typ string, schemasMutators map[string]func(attributeSchema *AttributeSchema)) {
for s, f := range schemasMutators {
metadata, exist := r.GetSchema(typ)
if !exist {
logrus.WithFields(logrus.Fields{"type": typ}).Warning("Unable to set metadata, no schema found")
return
}
m := (*metadata).Attributes[s]
f(&m)
(*metadata).Attributes[s] = m
}
}
func (r *SchemaRepository) SetNormalizeFunc(typ string, normalizeFunc func(val *Attributes)) {
metadata, exist := r.GetSchema(typ)
if !exist {
logrus.WithFields(logrus.Fields{"type": typ}).Warning("Unable to set normalize func, no schema found")
return
}
(*metadata).NormalizeFunc = normalizeFunc
}