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lifecycle.go
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/
lifecycle.go
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package main
import (
"errors"
"fmt"
"io/ioutil"
"path/filepath"
tap "github.com/mndrix/tap-go"
rspec "github.com/opencontainers/runtime-spec/specs-go"
"github.com/opencontainers/runtime-tools/validation/util"
uuid "github.com/satori/go.uuid"
)
func main() {
t := tap.New()
t.Header(0)
g := util.GetDefaultGenerator()
var output string
config := util.LifecycleConfig{
Actions: util.LifecycleActionCreate | util.LifecycleActionStart | util.LifecycleActionDelete,
PreCreate: func(r *util.Runtime) error {
r.SetID(uuid.NewV4().String())
g := util.GetDefaultGenerator()
output = filepath.Join(r.BundleDir, g.Spec().Root.Path, "output")
prestart := rspec.Hook{
Path: fmt.Sprintf("%s/%s/bin/sh", r.BundleDir, g.Spec().Root.Path),
Args: []string{
"sh", "-c", fmt.Sprintf("echo 'pre-start called' >> %s", output),
},
}
poststart := rspec.Hook{
Path: fmt.Sprintf("%s/%s/bin/sh", r.BundleDir, g.Spec().Root.Path),
Args: []string{
"sh", "-c", fmt.Sprintf("echo 'post-start called' >> %s", output),
},
}
poststop := rspec.Hook{
Path: fmt.Sprintf("%s/%s/bin/sh", r.BundleDir, g.Spec().Root.Path),
Args: []string{
"sh", "-c", fmt.Sprintf("echo 'post-stop called' >> %s", output),
},
}
g.AddPreStartHook(prestart)
g.AddPostStartHook(poststart)
g.AddPostStopHook(poststop)
g.SetProcessArgs([]string{"sh", "-c", fmt.Sprintf("echo 'process called' >> %s", output)})
r.SetConfig(g)
return nil
},
PostCreate: func(r *util.Runtime) error {
outputData, err := ioutil.ReadFile(output)
if err != nil {
return err
}
if string(outputData) != "" {
return errors.New("Wrong call")
}
return nil
},
PreDelete: func(r *util.Runtime) error {
outputData, err := ioutil.ReadFile(output)
if err != nil {
return err
}
if string(outputData) != "pre-start called\nprocess called\npost-start called\n" {
return errors.New("Wrong call")
}
return nil
},
PostDelete: func(r *util.Runtime) error {
outputData, err := ioutil.ReadFile(output)
if err != nil {
return err
}
if string(outputData) != "pre-start called\nprocess called\npost-start called\npost-stop called\n" {
return errors.New("Wrong call")
}
return nil
},
}
err := util.RuntimeLifecycleValidate(g, config)
if err != nil {
util.Fatal(err)
}
t.AutoPlan()
}