ctdb-scripts: Reformat using shfmt -w -p -i 0 -fn

About to modify this file, so reformat first as per recent Samba
convention.

Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

diff --git a/ctdb/config/events/legacy/05.system.script b/ctdb/config/events/legacy/05.system.script
index 56920f74f38fab491274e2ac623f459c488970ba..8940c7b0e61b780031f9016dbe253673e8d8abae 100755 (executable)
--- a/ctdb/config/events/legacy/05.system.script
+++ b/ctdb/config/events/legacy/05.system.script
@@ -1,7 +1,7 @@
 #!/bin/sh
 # ctdb event script for checking local file system utilization
 
-[ -n "$CTDB_BASE" ] || \
+[ -n "$CTDB_BASE" ] ||
        CTDB_BASE=$(d=$(dirname "$0") && cd -P "$d" && dirname "$PWD")
 
 . "${CTDB_BASE}/functions"
@@ -10,133 +10,136 @@ load_script_options
 
 ctdb_setup_state_dir "service" "system-monitoring"
 
-validate_percentage ()
+validate_percentage()
 {
-    case "$1" in
-       "") return 1 ;;  # A failure that doesn't need a warning
-       [0-9]|[0-9][0-9]|100) return 0 ;;
-       *) echo "WARNING: ${1} is an invalid percentage${2:+ in \"}${2}${2:+\"} check"
-          return 1
-    esac
+       case "$1" in
+       "") return 1 ;; # A failure that doesn't need a warning
+       [0-9] | [0-9][0-9] | 100) return 0 ;;
+       *)
+               echo "WARNING: ${1} is an invalid percentage${2:+ in \"}${2}${2:+\"} check"
+               return 1
+               ;;
+       esac
 }
 
-check_thresholds ()
+check_thresholds()
 {
-    _thing="$1"
-    _thresholds="$2"
-    _usage="$3"
-    _unhealthy_callout="$4"
+       _thing="$1"
+       _thresholds="$2"
+       _usage="$3"
+       _unhealthy_callout="$4"
 
-    case "$_thresholds" in
+       case "$_thresholds" in
        *:*)
-           _warn_threshold="${_thresholds%:*}"
-           _unhealthy_threshold="${_thresholds#*:}"
-           ;;
+               _warn_threshold="${_thresholds%:*}"
+               _unhealthy_threshold="${_thresholds#*:}"
+               ;;
        *)
-           _warn_threshold="$_thresholds"
-           _unhealthy_threshold=""
-    esac
-
-    _t=$(echo "$_thing" | sed -e 's@/@SLASH_@g' -e 's@ @_@g')
-    # script_state_dir set by ctdb_setup_state_dir()
-    # shellcheck disable=SC2154
-    _cache="${script_state_dir}/cache_${_t}"
-    if validate_percentage "$_unhealthy_threshold" "$_thing" ; then
-        if [ "$_usage" -ge "$_unhealthy_threshold" ] ; then
-           echo "ERROR: ${_thing} utilization ${_usage}% >= threshold ${_unhealthy_threshold}%"
-           eval "$_unhealthy_callout"
-           echo "$_usage" >"$_cache"
-           exit 1
-        fi
-    fi
-
-    if validate_percentage "$_warn_threshold" "$_thing" ; then
-        if [ "$_usage" -ge "$_warn_threshold" ] ; then
-           if [ -r "$_cache" ] ; then
-               read _prev <"$_cache"
-           else
-               _prev=""
-           fi
-           if [ "$_usage" != "$_prev" ] ; then
-               echo "WARNING: ${_thing} utilization ${_usage}% >= threshold ${_warn_threshold}%"
-               echo "$_usage" >"$_cache"
-           fi
-       else
-           if [ -r "$_cache" ] ; then
-               echo "NOTICE: ${_thing} utilization ${_usage}% < threshold ${_warn_threshold}%"
-           fi
-           rm -f "$_cache"
-        fi
-    fi
+               _warn_threshold="$_thresholds"
+               _unhealthy_threshold=""
+               ;;
+       esac
+
+       _t=$(echo "$_thing" | sed -e 's@/@SLASH_@g' -e 's@ @_@g')
+       # script_state_dir set by ctdb_setup_state_dir()
+       # shellcheck disable=SC2154
+       _cache="${script_state_dir}/cache_${_t}"
+       if validate_percentage "$_unhealthy_threshold" "$_thing"; then
+               if [ "$_usage" -ge "$_unhealthy_threshold" ]; then
+                       echo "ERROR: ${_thing} utilization ${_usage}% >= threshold ${_unhealthy_threshold}%"
+                       eval "$_unhealthy_callout"
+                       echo "$_usage" >"$_cache"
+                       exit 1
+               fi
+       fi
+
+       if validate_percentage "$_warn_threshold" "$_thing"; then
+               if [ "$_usage" -ge "$_warn_threshold" ]; then
+                       if [ -r "$_cache" ]; then
+                               read _prev <"$_cache"
+                       else
+                               _prev=""
+                       fi
+                       if [ "$_usage" != "$_prev" ]; then
+                               echo "WARNING: ${_thing} utilization ${_usage}% >= threshold ${_warn_threshold}%"
+                               echo "$_usage" >"$_cache"
+                       fi
+               else
+                       if [ -r "$_cache" ]; then
+                               echo "NOTICE: ${_thing} utilization ${_usage}% < threshold ${_warn_threshold}%"
+                       fi
+                       rm -f "$_cache"
+               fi
+       fi
 }
 
-set_monitor_filsystem_usage_defaults ()
+set_monitor_filsystem_usage_defaults()
 {
-    _fs_defaults_cache="${script_state_dir}/cache_filsystem_usage_defaults"
-
-    if [ ! -r "$_fs_defaults_cache" ] ; then
-       # Determine filesystem for each database directory, generate
-       # an entry to warn at 90%, de-duplicate entries, put all items
-       # on 1 line (so the read below gets everything)
-       for _t in "${CTDB_DBDIR:-${CTDB_VARDIR}}" \
-                     "${CTDB_DBDIR_PERSISTENT:-${CTDB_VARDIR}/persistent}" \
-                     "${CTDB_DBDIR_STATE:-${CTDB_VARDIR}/state}" ; do
-           df -kP "$_t" | awk 'NR == 2 { printf "%s:90\n", $6 }'
-       done | sort -u | xargs >"$_fs_defaults_cache"
-    fi
-
-    read CTDB_MONITOR_FILESYSTEM_USAGE <"$_fs_defaults_cache"
+       _fs_defaults_cache="${script_state_dir}/cache_filsystem_usage_defaults"
+
+       if [ ! -r "$_fs_defaults_cache" ]; then
+               # Determine filesystem for each database directory, generate
+               # an entry to warn at 90%, de-duplicate entries, put all items
+               # on 1 line (so the read below gets everything)
+               for _t in "${CTDB_DBDIR:-${CTDB_VARDIR}}" \
+                       "${CTDB_DBDIR_PERSISTENT:-${CTDB_VARDIR}/persistent}" \
+                       "${CTDB_DBDIR_STATE:-${CTDB_VARDIR}/state}"; do
+                       df -kP "$_t" | awk 'NR == 2 { printf "%s:90\n", $6 }'
+               done | sort -u | xargs >"$_fs_defaults_cache"
+       fi
+
+       read CTDB_MONITOR_FILESYSTEM_USAGE <"$_fs_defaults_cache"
 }
 
-monitor_filesystem_usage ()
+monitor_filesystem_usage()
 {
-    if [ -z "$CTDB_MONITOR_FILESYSTEM_USAGE" ] ; then
-       set_monitor_filsystem_usage_defaults
-    fi
-
-    # Check each specified filesystem, specified in format
-    # <fs_mount>:<fs_warn_threshold>[:fs_unhealthy_threshold]
-    for _fs in $CTDB_MONITOR_FILESYSTEM_USAGE ; do
-       _fs_mount="${_fs%%:*}"
-       _fs_thresholds="${_fs#*:}"
-
-        if [ ! -d "$_fs_mount" ]; then
-            echo "WARNING: Directory ${_fs_mount} does not exist"
-           continue
-        fi
-
-        # Get current utilization
-        _fs_usage=$(df -kP "$_fs_mount" | \
-                          sed -n -e 's@.*[[:space:]]\([[:digit:]]*\)%.*@\1@p')
-        if [ -z "$_fs_usage" ] ; then
-            echo "WARNING: Unable to get FS utilization for ${_fs_mount}"
-           continue
-        fi
-
-       check_thresholds "Filesystem ${_fs_mount}" \
-                        "$_fs_thresholds" \
-                        "$_fs_usage"
-    done
+       if [ -z "$CTDB_MONITOR_FILESYSTEM_USAGE" ]; then
+               set_monitor_filsystem_usage_defaults
+       fi
+
+       # Check each specified filesystem, specified in format
+       # <fs_mount>:<fs_warn_threshold>[:fs_unhealthy_threshold]
+       for _fs in $CTDB_MONITOR_FILESYSTEM_USAGE; do
+               _fs_mount="${_fs%%:*}"
+               _fs_thresholds="${_fs#*:}"
+
+               if [ ! -d "$_fs_mount" ]; then
+                       echo "WARNING: Directory ${_fs_mount} does not exist"
+                       continue
+               fi
+
+               # Get current utilization
+               _fs_usage=$(df -kP "$_fs_mount" |
+                       sed -n -e 's@.*[[:space:]]\([[:digit:]]*\)%.*@\1@p')
+               if [ -z "$_fs_usage" ]; then
+                       echo "WARNING: Unable to get FS utilization for ${_fs_mount}"
+                       continue
+               fi
+
+               check_thresholds "Filesystem ${_fs_mount}" \
+                       "$_fs_thresholds" \
+                       "$_fs_usage"
+       done
 }
 
-dump_memory_info ()
+dump_memory_info()
 {
-    get_proc "meminfo"
-    ps auxfww
-    set_proc "sysrq-trigger" "m"
+       get_proc "meminfo"
+       ps auxfww
+       set_proc "sysrq-trigger" "m"
 }
 
-monitor_memory_usage ()
+monitor_memory_usage()
 {
-    # Defaults
-    if [ -z "$CTDB_MONITOR_MEMORY_USAGE" ] ; then
-       CTDB_MONITOR_MEMORY_USAGE=80
-    fi
-
-    _meminfo=$(get_proc "meminfo")
-    # Intentional word splitting here
-    # shellcheck disable=SC2046
-    set -- $(echo "$_meminfo" | awk '
+       # Defaults
+       if [ -z "$CTDB_MONITOR_MEMORY_USAGE" ]; then
+               CTDB_MONITOR_MEMORY_USAGE=80
+       fi
+
+       _meminfo=$(get_proc "meminfo")
+       # Intentional word splitting here
+       # shellcheck disable=SC2046
+       set -- $(echo "$_meminfo" | awk '
 $1 == "MemAvailable:" { memavail += $2 }
 $1 == "MemFree:"      { memfree  += $2 }
 $1 == "Cached:"       { memfree  += $2 }
@@ -153,15 +156,14 @@ END {
        print 0
     }
 }')
-    _mem_usage="$1"
+       _mem_usage="$1"
 
-    check_thresholds "System memory" \
-                    "$CTDB_MONITOR_MEMORY_USAGE" \
-                    "$_mem_usage" \
-                    dump_memory_info
+       check_thresholds "System memory" \
+               "$CTDB_MONITOR_MEMORY_USAGE" \
+               "$_mem_usage" \
+               dump_memory_info
 }
 
-
 case "$1" in
 monitor)
        # Load/cache database options from configuration file