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add catching of error code on ssh

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Younes Ichiche 2021-11-27 09:42:40 +01:00 • committed by Lars Kruse
parent 8654230bb2
commit ee4f4ce22f
1 changed files with 41 additions and 1 deletions
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42
plugins/router/mikrotik_system
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@ -45,6 +45,23 @@ ssh_password=${ssh_password:-password}
ssh_host=${ssh_host:-192.168.2.1}
c=0 # zähler; wird für verschiedene Schleifen benötigt
# Function to get stderr from command
# USAGE: catch STDOUT STDERR cmd args..
catch()
{
eval "$({
__2="$(
{ __1="$("${@:3}")"; } 2>&1;
ret=$?;
printf '%q=%q\n' "$1" "$__1" >&2;
exit $ret
)";
ret="$?";
printf '%s=%q\n' "$2" "$__2" >&2;
printf '( exit %q )' "$ret" >&2;
} 2>&1 )";
}
# Funktionen
function get_name {
while read -r line; do
@ -71,9 +88,31 @@ function get_cpu_count {
fi
done <<< "$data"
}
catch()
{
eval "$({
__2="$(
{ __1="$("${@:3}")"; } 2>&1;
ret=$?;
printf '%q=%q\n' "$1" "$__1" >&2;
exit $ret
)";
ret="$?";
printf '%s=%q\n' "$2" "$__2" >&2;
printf '( exit %q )' "$ret" >&2;
} 2>&1 )";
}
function get_data {
# hole daten per ssh
data=$(sshpass -p "$ssh_password" ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$ssh_user"@"$ssh_host" -q ':delay 6s; /system health print; /system resource print; /system resource cpu print; /system identity print')
catch data stderr sshpass -p "$ssh_password" ssh -o UserKnownHostsFile=/dev/null -o StrictHostKeyChecking=no "$ssh_user"@"$ssh_host" ':delay 6s; /system health print; /system resource print; /system resource cpu print; /system identity print'
data_ret=$?
}
function validate_data {
if [ $data_ret -ne 0 ]; then
echo "SSH returned errorcode = $data_ret:"
echo "$stderr"
exit $data_ret
fi
}
function get_mem_total {
mem_total=$(
@ -368,6 +407,7 @@ function get_disk_value {
# rufe funktionen auf, reihenfolge ist wichtig
get_data
validate_data
get_name
get_cpu_count
# munin-Logik