debian-forge-composer/cmd/osbuild-worker/main.go
Lars Karlitski cfe89eaed5 Add simple osbuild-worker
It doesn't actually build anything yet, but talks to the queue API.
2019-09-26 23:58:03 +02:00

117 lines
2.2 KiB
Go

package main
import (
"bytes"
"context"
"encoding/json"
"errors"
"fmt"
"net"
"net/http"
"time"
"github.com/google/uuid"
"osbuild-composer/internal/pipeline"
"osbuild-composer/internal/target"
)
type ComposerClient struct {
client *http.Client
}
type Job struct {
ID uuid.UUID
Pipeline pipeline.Pipeline
Target target.Target
}
func NewClient() *ComposerClient {
client := &http.Client{
Transport: &http.Transport{
DialContext: func(context context.Context, network, addr string) (net.Conn, error) {
return net.Dial("unix", "/run/osbuild-composer/job.socket")
},
},
}
return &ComposerClient{client}
}
func (c *ComposerClient) AddJob() (*Job, error) {
type request struct {
ID string `json:"id"`
}
type reply struct {
Pipeline *pipeline.Pipeline `json:"pipeline"`
Target *target.Target `json:"target"`
}
job := &Job{
ID: uuid.New(),
}
var b bytes.Buffer
json.NewEncoder(&b).Encode(request{job.ID.String()})
response, err := c.client.Post("http://localhost/job-queue/v1/jobs", "application/json", &b)
if err != nil {
return nil, err
}
defer response.Body.Close()
if response.StatusCode != http.StatusCreated {
return nil, errors.New("couldn't create job")
}
err = json.NewDecoder(response.Body).Decode(&reply{
Pipeline: &job.Pipeline,
Target: &job.Target,
})
if err != nil {
return nil, err
}
return job, nil
}
func (c *ComposerClient) UpdateJob(job *Job, status string) error {
type request struct {
Status string `json:"status"`
}
var b bytes.Buffer
json.NewEncoder(&b).Encode(&request{status})
req, err:= http.NewRequest("PATCH", "http://localhost/job-queue/v1/jobs/" + job.ID.String(), &b)
if err != nil {
return err
}
req.Header.Set("Content-Type", "application/json")
response, err := c.client.Do(req)
if err != nil {
return err
}
defer response.Body.Close()
if response.StatusCode != http.StatusOK {
return errors.New("error setting job status")
}
return nil
}
func main() {
client := NewClient()
for {
fmt.Println("Waiting for a new job...")
job, err := client.AddJob()
if err != nil {
panic(err)
}
fmt.Printf("Running job %s\n", job.ID.String())
time.Sleep(15 * time.Second)
client.UpdateJob(job, "finished")
}
}