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Code Issues Releases Wiki Activity

Plugin lxc: use functions for top-level activities

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This clarifies the flow of control and allows to use
MUNIN_CAP_DIRTYCONFIG later.
This commit is contained in:
Lars Kruse 2019-08-12 01:49:48 +02:00
parent 4356a024a7
commit f00f28cf6f
1 changed files with 75 additions and 59 deletions
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134
plugins/lxc/lxc-multigraph
View file

@ -178,13 +178,7 @@ title_case() {
} }
# --- BASIC DEFINES do_autoconf() {
active_guests=$(get_active_guests "$exclude")
# --- AUTOCONF
if [ "$1" = "autoconf" ]; then
if [ ! -r /proc/net/dev ]; then if [ ! -r /proc/net/dev ]; then
echo "no (/proc/net/dev cannot be read)" echo "no (/proc/net/dev cannot be read)"
elif [ ! -e "$lxcpath" ]; then elif [ ! -e "$lxcpath" ]; then
@ -192,12 +186,13 @@ if [ "$1" = "autoconf" ]; then
else else
echo yes echo yes
fi fi
exit 0 }
fi
# --- CONFIG OUTPUT
if [ "$1" = "config" ]; then do_config() {
local active_guests guest_name draw_style
active_guests=$(get_active_guests "$exclude")
cat <<EOF cat <<EOF
multigraph lxc_cpu multigraph lxc_cpu
graph_title CPU Usage graph_title CPU Usage
@ -335,64 +330,85 @@ $(clean_fieldname "mem_inactive__${guest_name}").label ${guest_name}: Inactive
$(clean_fieldname "mem_inactive__${guest_name}").type GAUGE $(clean_fieldname "mem_inactive__${guest_name}").type GAUGE
EOF EOF
done done
}
exit 0
fi
# --- DATA OUTPUT do_fetch() {
local active_guests cpu_usage device value_up value_down
active_guests=$(get_active_guests "$exclude")
echo "multigraph lxc_cpu" echo "multigraph lxc_cpu"
for guest_name in $active_guests for guest_name in $active_guests
do
for cpu_usage in user system
do do
echo "$(clean_fieldname "cpu_${cpu_usage}__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "cpuacct.stat" | grep "$cpu_usage" | awk '{ print $2; }')" for cpu_usage in user system
do
echo "$(clean_fieldname "cpu_${cpu_usage}__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "cpuacct.stat" | grep "$cpu_usage" | awk '{ print $2; }')"
done
done done
done
echo "multigraph lxc_cpu_time" echo "multigraph lxc_cpu_time"
for guest_name in $active_guests for guest_name in $active_guests
do do
echo "$(clean_fieldname "cpu_time__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "cpuacct.usage")" echo "$(clean_fieldname "cpu_time__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "cpuacct.usage")"
done done
echo "multigraph lxc_logins" echo "multigraph lxc_logins"
for guest_name in $active_guests for guest_name in $active_guests
do do
echo "$(clean_fieldname "logins__${guest_name}").value $(lxc-attach -n "$guest_name" users | wc -w)" echo "$(clean_fieldname "logins__${guest_name}").value $(lxc-attach -n "$guest_name" users | wc -w)"
done done
echo "multigraph lxc_net" echo "multigraph lxc_net"
for guest_name in $active_guests for guest_name in $active_guests
do do
device=$(lxc_netdev "$guest_name") device=$(lxc_netdev "$guest_name")
if [ -z "$device" ]; then if [ -z "$device" ]; then
value_up="U" value_up="U"
value_down="U" value_down="U"
else else
value_up=$(grep -E "^ *${device}:" /proc/net/dev | awk '{print $10;}') value_up=$(grep -E "^ *${device}:" /proc/net/dev | awk '{print $10;}')
value_down=$(grep -E "^ *${device}:" /proc/net/dev | awk '{print $2;}') value_down=$(grep -E "^ *${device}:" /proc/net/dev | awk '{print $2;}')
fi fi
cat <<EOF cat <<EOF
$(clean_fieldname "net__${guest_name}_up").value $value_up $(clean_fieldname "net__${guest_name}_up").value $value_up
$(clean_fieldname "net__${guest_name}_down").value $value_down $(clean_fieldname "net__${guest_name}_down").value $value_down
EOF EOF
done done
echo "multigraph lxc_proc" echo "multigraph lxc_proc"
for guest_name in $active_guests for guest_name in $active_guests
do do
echo "$(clean_fieldname "lxc_proc__${guest_name}").value $(lxc_count_processes "$guest_name")" echo "$(clean_fieldname "lxc_proc__${guest_name}").value $(lxc_count_processes "$guest_name")"
done done
echo "multigraph lxc_ram" echo "multigraph lxc_ram"
for guest_name in $active_guests for guest_name in $active_guests
do do
cat <<EOF cat <<EOF
$(clean_fieldname "mem_usage__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.usage_in_bytes") $(clean_fieldname "mem_usage__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.usage_in_bytes")
$(clean_fieldname "mem_cache__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.stat" | grep total_cache | awk '{print $2;}') $(clean_fieldname "mem_cache__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.stat" | grep total_cache | awk '{print $2;}')
$(clean_fieldname "mem_active__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.stat" | grep total_active_anon | awk '{print $2;}') $(clean_fieldname "mem_active__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.stat" | grep total_active_anon | awk '{print $2;}')
$(clean_fieldname "mem_inactive__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.stat" | grep total_inactive_anon | awk '{print $2;}') $(clean_fieldname "mem_inactive__${guest_name}").value $(get_lxc_cgroup_info "$guest_name" "memory.stat" | grep total_inactive_anon | awk '{print $2;}')
EOF EOF
done done
}
case "${1:-}" in
autoconf)
do_autoconf
exit 0
;;
config)
do_config
exit 0
;;
"")
do_fetch
exit 0
;;
*)
echo >&2 "Invalid action requested (none of: autoconf / config / '')"
exit 1
esac