terraform/command/jsonprovider/provider.go

76 lines
1.7 KiB
Go

package jsonprovider
import (
"encoding/json"
"github.com/hashicorp/terraform/terraform"
)
// FormatVersion represents the version of the json format and will be
// incremented for any change to this format that requires changes to a
// consuming parser.
const FormatVersion = "0.1"
// providers is the top-level object returned when exporting provider schemas
type providers struct {
FormatVersion string `json:"format_version"`
Schemas map[string]Provider `json:"provider_schemas"`
}
type Provider struct {
Provider *schema `json:"provider,omitempty"`
ResourceSchemas map[string]*schema `json:"resource_schemas,omitempty"`
DataSourceSchemas map[string]*schema `json:"data_source_schemas,omitempty"`
}
func newProviders() *providers {
schemas := make(map[string]Provider)
return &providers{
FormatVersion: FormatVersion,
Schemas: schemas,
}
}
func Marshal(s *terraform.Schemas) ([]byte, error) {
if len(s.Providers) == 0 {
return nil, nil
}
providers := newProviders()
for k, v := range s.Providers {
providers.Schemas[k] = marshalProvider(v)
}
// add some polish for the human consumers
ret, err := json.MarshalIndent(providers, "", " ")
return ret, err
}
func marshalProvider(tps *terraform.ProviderSchema) Provider {
if tps == nil {
return Provider{}
}
var ps *schema
var rs, ds map[string]*schema
if tps.Provider != nil {
ps = marshalSchema(tps.Provider)
}
if tps.ResourceTypes != nil {
rs = marshalSchemas(tps.ResourceTypes, tps.ResourceTypeSchemaVersions)
}
if tps.DataSources != nil {
ds = marshalSchemas(tps.DataSources, tps.ResourceTypeSchemaVersions)
}
return Provider{
Provider: ps,
ResourceSchemas: rs,
DataSourceSchemas: ds,
}
}