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// Package datasource has the packages and logic that Vagrant uses
// for sourcing data for remote runs.
package datasource
import (
"context"
"reflect"
"github.com/hashicorp/go-hclog"
"github.com/hashicorp/hcl/v2"
"github.com/hashicorp/vagrant-plugin-sdk/terminal"
"github.com/hashicorp/vagrant/internal/server/proto/vagrant_server"
)
// Sourcer is implemented by all data sourcers and is responsible for
// sourcing data, configuring projects, determining the default values
// for operations, and more.
type Sourcer interface {
// ProjectSource translates the configuration into a default data
// source for the project. This should also perform any validation
// on the configuration.
ProjectSource(hcl.Body, *hcl.EvalContext) (*vagrant_server.Job_DataSource, error)
// Override reconfigures the given data source with the given overrides.
Override(*vagrant_server.Job_DataSource, map[string]string) error
// Get downloads the sourced data and returns the directory where
// the data is stored, a cleanup function, and any errors that occurred.
// The cleanup function may be nil.
Get(
ctx context.Context,
log hclog.Logger,
ui terminal.UI,
source *vagrant_server.Job_DataSource,
baseDir string,
) (string, func() error, error)
}
var (
// FromString maps a string key to a source implementation.
FromString = map[string]func() Sourcer{
"git": newGitSource,
"local": newLocalSource,
}
// FromType maps a server DataSource type to a source implementation.
FromType = map[reflect.Type]func() Sourcer{
reflect.TypeOf((*vagrant_server.Job_DataSource_Git)(nil)): newGitSource,
reflect.TypeOf((*vagrant_server.Job_DataSource_Local)(nil)): newLocalSource,
}
)
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