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fbcode/fair_infra/gcm/shelper (#134) #134

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36 changes: 0 additions & 36 deletions shelper/squeue.go
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Original file line number Diff line number Diff line change
@@ -1,39 +1,3 @@
// Copyright (c) Meta Platforms, Inc. and affiliates.
// All rights reserved.
package shelper

import (
"bytes"
"fmt"
"os/exec"
)

// GetSlurmJobIDsSqueue queries slurmctld for the job ids of all jobs running on this host, it returns a comma separated string of job ids.
func GetSlurmJobIDsSqueue() ([]string, error) {
hostname, err := GetHostname()
jobIDs := []string{}

if err != nil {
return jobIDs, err
}
// -h: remove slurm headers from output
// -w <hostname>: only get jobs running on the given host
// -o <field>: output only the given field
// %i: job id
cmd := exec.Command("squeue", "-h", "-w", hostname, "-o", "%i")

var out bytes.Buffer
cmd.Stdout = &out

var stderr bytes.Buffer
cmd.Stderr = &stderr

cmdErr := cmd.Run()
if cmdErr != nil {
err = fmt.Errorf("%w: %v", cmdErr, stderr.String())
return jobIDs, err
}

jobIDs = parseNewLineToList(out.String())
return jobIDs, nil
}
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