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#!/usr/bin/env bash
# SPDX-FileCopyrightText: 2023 Patrick Spek <p.spek@tyil.nl>
#
# SPDX-License-Identifier: AGPL-3.0-or-later
subcommand()
{
local results
local widths
declare -A results
declare -A widths=(
[node]=0
[memory]=0
[load]=0
[uptime]=0
)
if [[ ! -d "$BASHTARD_ETCDIR/hosts.d" ]]
then
crit "$BASHTARD_NAME/ssh" "Could not find hosts file at $BASHTARD_ETCDIR/hosts.d"
return 3
fi
chgdir "$BASHTARD_ETCDIR/hosts.d"
for node in *
do
local user
local host
user="$(config_for "$node" "bashtard.ssh.user" "$USER")"
host="$(config_for "$node" "bashtard.ssh.host")"
if [[ -z "$host" ]]
then
crit "$BASHTARD_NAME/ssh" "bashtard.ssh.host is not configured for $node"
continue
fi
if [[ "$node" == "${BASHTARD_PLATFORM[fqdn]}" ]]
then
results+=(["$node"]="$("$BASHTARD_BIN" sysinfo)")
else
debug "$BASHTARD_NAME/ssh" "$user@$node ($host) > bashtard sysinfo"
# shellcheck disable=SC2029
results+=(["$node"]="$(ssh "$user@$host" "bashtard sysinfo")")
fi
unset user
unset host
done
# Check widths
for node in "${!results[@]}"
do
node_load="$(grep '^load' <<< "${results["$node"]}" | sed 's/[^ ]* *//')"
node_memory="$(grep '^memory' <<< "${results["$node"]}" | sed 's/[^ ]* *//')"
node_uptime="$(grep '^uptime' <<< "${results["$node"]}" | sed 's/[^ ]* *//')"
width_load="$(wc -c <<< "$node_load")"
width_memory="$(wc -c <<< "$node_memory")"
width_node="$(wc -c <<< "$node")"
width_uptime="$(wc -c <<< "$node_uptime")"
if (( widths[load] < width_load ))
then
widths[load]=$width_load
fi
if (( widths[memory] < width_memory ))
then
widths[memory]=$width_memory
fi
if (( widths[node] < width_node ))
then
widths[node]=$width_node
fi
if (( widths[uptime] < width_uptime ))
then
widths[uptime]=$width_uptime
fi
done
printstr="%-${widths[node]}s %${widths[load]}s %${widths[memory]}s %${widths[uptime]}s\n"
# Print results
printf "$printstr" \
"Node" \
"Load" \
"Memory" \
"Uptime"
for node in "${!results[@]}"
do
printf "$printstr" \
"$node" \
"$(grep '^load' <<< "${results["$node"]}" | sed 's/[^ ]* *//')" \
"$(grep '^memory' <<< "${results["$node"]}" | sed 's/[^ ]* *//')" \
"$(grep '^uptime' <<< "${results["$node"]}" | sed 's/[^ ]* *//')"
done
}
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