open-nomad/e2e/e2eutil/job.go

96 lines
2.5 KiB
Go

package e2eutil
import (
"fmt"
"io"
"io/ioutil"
"os/exec"
"regexp"
"strings"
)
// Register registers a jobspec from a file but with a unique ID.
// The caller is responsible for recording that ID for later cleanup.
func Register(jobID, jobFilePath string) error {
cmd := exec.Command("nomad", "job", "run", "-")
stdin, err := cmd.StdinPipe()
if err != nil {
return fmt.Errorf("could not open stdin?: %w", err)
}
content, err := ioutil.ReadFile(jobFilePath)
if err != nil {
return fmt.Errorf("could not open job file: %w", err)
}
// hack off the first line to replace with our unique ID
var re = regexp.MustCompile(`(?m)^job ".*" \{`)
jobspec := re.ReplaceAllString(string(content),
fmt.Sprintf("job \"%s\" {", jobID))
go func() {
defer stdin.Close()
io.WriteString(stdin, jobspec)
}()
out, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("could not register job: %w\n%v", err, string(out))
}
return nil
}
// PeriodicForce forces a periodic job to dispatch, returning the child job ID
// or an error
func PeriodicForce(jobID string) error {
// nomad job periodic force
cmd := exec.Command("nomad", "job", "periodic", "force", jobID)
out, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("could not register job: %w\n%v", err, string(out))
}
return nil
}
// JobInspectTemplate runs nomad job inspect and formats the output
// using the specified go template
func JobInspectTemplate(jobID, template string) (string, error) {
cmd := exec.Command("nomad", "job", "inspect", "-t", template, jobID)
out, err := cmd.CombinedOutput()
if err != nil {
return "", fmt.Errorf("could not inspect job: %w\n%v", err, string(out))
}
outStr := string(out)
outStr = strings.TrimSuffix(outStr, "\n")
return outStr, nil
}
// Register registers a jobspec from a string, also with a unique ID.
// The caller is responsible for recording that ID for later cleanup.
func RegisterFromJobspec(jobID, jobspec string) error {
cmd := exec.Command("nomad", "job", "run", "-")
stdin, err := cmd.StdinPipe()
if err != nil {
return fmt.Errorf("could not open stdin?: %w", err)
}
// hack off the first line to replace with our unique ID
var re = regexp.MustCompile(`^job "\w+" \{`)
jobspec = re.ReplaceAllString(jobspec,
fmt.Sprintf("job \"%s\" {", jobID))
go func() {
defer stdin.Close()
io.WriteString(stdin, jobspec)
}()
out, err := cmd.CombinedOutput()
if err != nil {
return fmt.Errorf("could not register job: %w\n%v", err, string(out))
}
return nil
}