71 lines
3.0 KiB
Go
71 lines
3.0 KiB
Go
package terraform
|
|
|
|
import (
|
|
"github.com/hashicorp/terraform/configs/configschema"
|
|
"github.com/hashicorp/terraform/provisioners"
|
|
)
|
|
|
|
// ResourceProvisioner is an interface that must be implemented by any
|
|
// resource provisioner: the thing that initializes resources in
|
|
// a Terraform configuration.
|
|
type ResourceProvisioner interface {
|
|
// GetConfigSchema returns the schema for the provisioner type's main
|
|
// configuration block. This is called prior to Validate to enable some
|
|
// basic structural validation to be performed automatically and to allow
|
|
// the configuration to be properly extracted from potentially-ambiguous
|
|
// configuration file formats.
|
|
GetConfigSchema() (*configschema.Block, error)
|
|
|
|
// Validate is called once at the beginning with the raw
|
|
// configuration (no interpolation done) and can return a list of warnings
|
|
// and/or errors.
|
|
//
|
|
// This is called once per resource.
|
|
//
|
|
// This should not assume any of the values in the resource configuration
|
|
// are valid since it is possible they have to be interpolated still.
|
|
// The primary use case of this call is to check that the required keys
|
|
// are set and that the general structure is correct.
|
|
Validate(*ResourceConfig) ([]string, []error)
|
|
|
|
// Apply runs the provisioner on a specific resource and returns the new
|
|
// resource state along with an error. Instead of a diff, the ResourceConfig
|
|
// is provided since provisioners only run after a resource has been
|
|
// newly created.
|
|
Apply(UIOutput, *InstanceState, *ResourceConfig) error
|
|
|
|
// Stop is called when the provisioner should halt any in-flight actions.
|
|
//
|
|
// This can be used to make a nicer Ctrl-C experience for Terraform.
|
|
// Even if this isn't implemented to do anything (just returns nil),
|
|
// Terraform will still cleanly stop after the currently executing
|
|
// graph node is complete. However, this API can be used to make more
|
|
// efficient halts.
|
|
//
|
|
// Stop doesn't have to and shouldn't block waiting for in-flight actions
|
|
// to complete. It should take any action it wants and return immediately
|
|
// acknowledging it has received the stop request. Terraform core will
|
|
// automatically not make any further API calls to the provider soon
|
|
// after Stop is called (technically exactly once the currently executing
|
|
// graph nodes are complete).
|
|
//
|
|
// The error returned, if non-nil, is assumed to mean that signaling the
|
|
// stop somehow failed and that the user should expect potentially waiting
|
|
// a longer period of time.
|
|
Stop() error
|
|
}
|
|
|
|
// ResourceProvisionerCloser is an interface that provisioners that can close
|
|
// connections that aren't needed anymore must implement.
|
|
type ResourceProvisionerCloser interface {
|
|
Close() error
|
|
}
|
|
|
|
// ResourceProvisionerFactory is a function type that creates a new instance
|
|
// of a resource provisioner.
|
|
type ResourceProvisionerFactory func() (ResourceProvisioner, error)
|
|
|
|
// ProvisionerFactory is a function type that creates a new instance
|
|
// of a provisioners.Interface.
|
|
type ProvisionerFactory = provisioners.Factory
|