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package main
import (
"fmt"
"os/exec"
"strings"
)
// executes uptime and responds with a []byte{}
// TODO: account for uptimes <1d and >1d
func uptimeQuery(format string) ([]byte, error) {
out, err := exec.Command("/usr/bin/uptime").Output()
if err != nil {
return nil, fmt.Errorf("Could not execute /usr/bin/uptime: %w", err)
}
split := strings.Split(string(out), ",")
if format == "plain" {
cut := fmt.Sprintf("%s,%s,%s,%s", split[0], split[1], split[3], split[4])
return []byte(cut), nil
}
timeup := strings.Split(string(split[0]), " ")
time := timeup[0]
up := fmt.Sprintf("%s,%s", timeup[1:], split[1])
loadcomb := strings.Split(string(split[3]), " ")
loads := fmt.Sprintf("%s,%s,%s", loadcomb[1], split[3], split[4])
json := fmt.Sprintf(`{
"time": "%s",
"up": "%s",
"load": "%s"
}
`, time, up, loads)
return []byte(json), nil
}
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