terraform/builtin/providers/terraform/provider.go

141 lines
5.1 KiB
Go

package terraform
import (
"fmt"
"log"
"github.com/hashicorp/terraform/providers"
)
// Provider is an implementation of providers.Interface
type Provider struct {
// Provider is the schema for the provider itself.
Schema providers.Schema
// DataSources maps the data source name to that data source's schema.
DataSources map[string]providers.Schema
}
// NewProvider returns a new terraform provider
func NewProvider() *Provider {
return &Provider{}
}
// GetSchema returns the complete schema for the provider.
func (p *Provider) GetSchema() providers.GetSchemaResponse {
return providers.GetSchemaResponse{
DataSources: map[string]providers.Schema{
"terraform_remote_state": dataSourceRemoteStateGetSchema(),
},
}
}
// ValidateProviderConfig is used to validate the configuration values.
func (p *Provider) PrepareProviderConfig(req providers.PrepareProviderConfigRequest) providers.PrepareProviderConfigResponse {
// At this moment there is nothing to configure for the terraform provider,
// so we will happily return without taking any action
var res providers.PrepareProviderConfigResponse
res.PreparedConfig = req.Config
return res
}
// ValidateDataSourceConfig is used to validate the data source configuration values.
func (p *Provider) ValidateDataSourceConfig(req providers.ValidateDataSourceConfigRequest) providers.ValidateDataSourceConfigResponse {
// FIXME: move the backend configuration validate call that's currently
// inside the read method into here so that we can catch provider configuration
// errors in terraform validate as well as during terraform plan.
var res providers.ValidateDataSourceConfigResponse
// This should not happen
if req.TypeName != "terraform_remote_state" {
res.Diagnostics.Append(fmt.Errorf("Error: unsupported data source %s", req.TypeName))
return res
}
diags := dataSourceRemoteStateValidate(req.Config)
res.Diagnostics = diags
return res
}
// Configure configures and initializes the provider.
func (p *Provider) Configure(providers.ConfigureRequest) providers.ConfigureResponse {
// At this moment there is nothing to configure for the terraform provider,
// so we will happily return without taking any action
var res providers.ConfigureResponse
return res
}
// ReadDataSource returns the data source's current state.
func (p *Provider) ReadDataSource(req providers.ReadDataSourceRequest) providers.ReadDataSourceResponse {
// call function
var res providers.ReadDataSourceResponse
// This should not happen
if req.TypeName != "terraform_remote_state" {
res.Diagnostics.Append(fmt.Errorf("Error: unsupported data source %s", req.TypeName))
return res
}
newState, diags := dataSourceRemoteStateRead(req.Config)
res.State = newState
res.Diagnostics = diags
return res
}
// Stop is called when the provider should halt any in-flight actions.
func (p *Provider) Stop() error {
log.Println("[DEBUG] terraform provider cannot Stop")
return nil
}
// All the Resource-specific functions are below.
// The terraform provider supplies a single data source, `terraform_remote_state`
// and no resources.
// UpgradeResourceState is called when the state loader encounters an
// instance state whose schema version is less than the one reported by the
// currently-used version of the corresponding provider, and the upgraded
// result is used for any further processing.
func (p *Provider) UpgradeResourceState(providers.UpgradeResourceStateRequest) providers.UpgradeResourceStateResponse {
panic("unimplemented - terraform_remote_state has no resources")
}
// ReadResource refreshes a resource and returns its current state.
func (p *Provider) ReadResource(providers.ReadResourceRequest) providers.ReadResourceResponse {
panic("unimplemented - terraform_remote_state has no resources")
}
// PlanResourceChange takes the current state and proposed state of a
// resource, and returns the planned final state.
func (p *Provider) PlanResourceChange(providers.PlanResourceChangeRequest) providers.PlanResourceChangeResponse {
panic("unimplemented - terraform_remote_state has no resources")
}
// ApplyResourceChange takes the planned state for a resource, which may
// yet contain unknown computed values, and applies the changes returning
// the final state.
func (p *Provider) ApplyResourceChange(providers.ApplyResourceChangeRequest) providers.ApplyResourceChangeResponse {
panic("unimplemented - terraform_remote_state has no resources")
}
// ImportResourceState requests that the given resource be imported.
func (p *Provider) ImportResourceState(providers.ImportResourceStateRequest) providers.ImportResourceStateResponse {
panic("unimplemented - terraform_remote_state has no resources")
}
// ValidateResourceTypeConfig is used to to validate the resource configuration values.
func (p *Provider) ValidateResourceTypeConfig(providers.ValidateResourceTypeConfigRequest) providers.ValidateResourceTypeConfigResponse {
// At this moment there is nothing to configure for the terraform provider,
// so we will happily return without taking any action
var res providers.ValidateResourceTypeConfigResponse
return res
}
// Close is a noop for this provider, since it's run in-process.
func (p *Provider) Close() error {
return nil
}