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/*
Recipe Action
This action includes the recipe at the given path, and can optionally
override or set template variables.
To ensure compatibility, both the parent recipe and all included recipes have
to be for the same architecture. For convenience the parent architecture is
passed in the "architecture" template variable.
Limitations of combined recipes are equivalent to limitations within a
single recipe (e.g. there can only be one image partition action).
Yaml syntax:
- action: recipe
recipe: path to recipe
variables:
key: value
Mandatory properties:
- recipe -- includes the recipe actions at the given path.
Optional properties:
- variables -- overrides or adds new template variables.
*/
package actions
import (
"errors"
"fmt"
"os"
"path/filepath"
"github.com/go-debos/debos"
"github.com/go-debos/fakemachine"
)
type RecipeAction struct {
debos.BaseAction `yaml:",inline"`
Recipe string
Variables map[string]string
Actions Recipe `yaml:"-"`
templateVars map[string]string
context debos.DebosContext
}
func (recipe *RecipeAction) Verify(context *debos.DebosContext) error {
if len(recipe.Recipe) == 0 {
return errors.New("'recipe' property can't be empty")
}
recipe.context = *context
file := recipe.Recipe
if !filepath.IsAbs(file) {
file = filepath.Clean(context.RecipeDir + "/" + recipe.Recipe)
}
recipe.context.RecipeDir = filepath.Dir(file)
if _, err := os.Stat(file); os.IsNotExist(err) {
return err
}
// Initialise template vars
recipe.templateVars = make(map[string]string)
recipe.templateVars["architecture"] = context.Architecture
// Add Variables to template vars
for k, v := range recipe.Variables {
recipe.templateVars[k] = v
}
if err := recipe.Actions.Parse(file, context.PrintRecipe, context.Verbose, recipe.templateVars); err != nil {
return err
}
if recipe.context.Architecture != recipe.Actions.Architecture {
return fmt.Errorf("Expect architecture '%s' but got '%s'", context.Architecture, recipe.Actions.Architecture)
}
for _, a := range recipe.Actions.Actions {
if err := a.Verify(&recipe.context); err != nil {
return err
}
}
return nil
}
func (recipe *RecipeAction) PreMachine(context *debos.DebosContext, m *fakemachine.Machine, args *[]string) error {
// TODO: check args?
m.AddVolume(recipe.context.RecipeDir)
for _, a := range recipe.Actions.Actions {
if err := a.PreMachine(&recipe.context, m, args); err != nil {
return err
}
}
return nil
}
func (recipe *RecipeAction) PreNoMachine(context *debos.DebosContext) error {
for _, a := range recipe.Actions.Actions {
if err := a.PreNoMachine(&recipe.context); err != nil {
return err
}
}
return nil
}
func (recipe *RecipeAction) Run(context *debos.DebosContext) error {
recipe.LogStart()
for _, a := range recipe.Actions.Actions {
if err := a.Run(&recipe.context); err != nil {
return err
}
}
return nil
}
func (recipe *RecipeAction) Cleanup(context *debos.DebosContext) error {
for _, a := range recipe.Actions.Actions {
if err := a.Cleanup(&recipe.context); err != nil {
return err
}
}
return nil
}
func (recipe *RecipeAction) PostMachine(context *debos.DebosContext) error {
for _, a := range recipe.Actions.Actions {
if err := a.PostMachine(&recipe.context); err != nil {
return err
}
}
return nil
}
func (recipe *RecipeAction) PostMachineCleanup(context *debos.DebosContext) error {
for _, a := range recipe.Actions.Actions {
if err := a.PostMachineCleanup(&recipe.context); err != nil {
return err
}
}
return nil
}
|
