72 lines
1.4 KiB
Go
72 lines
1.4 KiB
Go
package runner
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import (
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"encoding/json"
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"sync"
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)
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type Status string
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const (
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StatusReady Status = "ready"
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StatusRunning Status = "running"
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StatusTimeout Status = "timeout"
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StatusFinished Status = "finished"
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)
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type Runner interface {
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SetStatus(Status)
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Status() Status
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Id() string
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}
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// ExerciseRunner is an abstraction to communicate with Nomad allocations
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type ExerciseRunner struct {
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sync.Mutex
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id string
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status Status
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ch chan bool
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}
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// NewExerciseRunner creates a new exercise runner with the provided id
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// As default value the status is ready
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func NewExerciseRunner(id string) *ExerciseRunner {
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return &ExerciseRunner{
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id: id,
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status: StatusReady,
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Mutex: sync.Mutex{},
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ch: make(chan bool),
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}
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}
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// MarshalJSON implements json.Marshaler interface
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// This exports also private attributes like the id
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func (r *ExerciseRunner) MarshalJSON() ([]byte, error) {
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return json.Marshal(struct {
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Id string `json:"runnerId"`
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Status Status `json:"status"`
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}{
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Id: r.Id(),
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Status: r.Status(),
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})
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}
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// SetStatus sets the status thread-safe
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func (r *ExerciseRunner) SetStatus(status Status) {
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r.Lock()
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defer r.Unlock()
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r.status = status
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}
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// Status returns the status thread-safe
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func (r *ExerciseRunner) Status() Status {
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r.Lock()
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defer r.Unlock()
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return r.status
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}
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// Id returns the id of the runner
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func (r *ExerciseRunner) Id() string {
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return r.id
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}
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