[23151] | 1 | #! /bin/sh |
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[23080] | 2 | ### BEGIN INIT INFO |
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[23151] | 3 | # Provides: debathena-pyhesiodfs |
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| 4 | # Required-Start: openafs-client |
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| 5 | # Required-Stop: openafs-client |
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| 6 | # Should-Start: $local_fs $network |
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| 7 | # Default-Start: 2 3 4 5 |
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| 8 | # Default-Stop: 0 1 6 |
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| 9 | # Short-Description: Hesiod automounter for Athena lockers |
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| 10 | # Description: Auto-create symlinks from /mit/LOCKER to AFS using Hesiod lookups. |
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[23080] | 11 | ### END INIT INFO |
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| 12 | |
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[23151] | 13 | # Author: Evan Broder <broder@mit.edu>, Geoffrey Thomas <geofft@mit.edu> |
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| 14 | |
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| 15 | # Do NOT "set -e" |
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| 16 | |
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| 17 | # PATH should only include /usr/* if it runs after the mountnfs.sh script |
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| 18 | PATH=/sbin:/usr/sbin:/bin:/usr/bin |
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| 19 | DESC="Debathena /mit automounter" |
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[23080] | 20 | NAME=debathena-pyhesiodfs |
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[23151] | 21 | DAEMON=/usr/bin/pyhesiodfs |
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[23080] | 22 | pyhesiodfs_dir="/mit" |
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[24219] | 23 | DAEMON_ARGS="-f $pyhesiodfs_dir -o nonempty" |
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[23151] | 24 | PIDFILE=/var/run/$NAME.pid |
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| 25 | SCRIPTNAME=/etc/init.d/$NAME |
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[24948] | 26 | oom_adj=-17 |
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[23080] | 27 | |
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[23151] | 28 | # Exit if the package is not installed |
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| 29 | [ -x "$DAEMON" ] || exit 0 |
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[23080] | 30 | |
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[23151] | 31 | # Read configuration variable file if it is present |
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| 32 | [ -r /etc/default/$NAME ] && . /etc/default/$NAME |
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[23080] | 33 | |
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[24948] | 34 | |
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| 35 | # Are we in a virtual environment that doesn't support modifying |
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| 36 | # /proc/self/oom_adj? |
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| 37 | if grep -q 'envID:.*[1-9]' /proc/self/status; then |
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| 38 | unset oom_adj |
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| 39 | fi |
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| 40 | |
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[23151] | 41 | # Load the VERBOSE setting and other rcS variables |
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[23235] | 42 | : ${VERBOSE:=yes} |
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[23237] | 43 | if [ -f /lib/init/vars.sh ]; then |
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[23235] | 44 | . /lib/init/vars.sh |
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| 45 | elif [ -f /etc/default/rcS ]; then |
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| 46 | . /etc/default/rcS |
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| 47 | fi |
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[23151] | 48 | |
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| 49 | # Define LSB log_* functions. |
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| 50 | # Depend on lsb-base (>= 3.0-6) to ensure that this file is present. |
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| 51 | . /lib/lsb/init-functions |
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| 52 | |
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| 53 | # |
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| 54 | # Function that starts the daemon/service |
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| 55 | # |
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| 56 | do_start() |
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| 57 | { |
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| 58 | # Return |
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| 59 | # 0 if daemon has been started |
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| 60 | # 1 if daemon was already running |
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| 61 | # 2 if daemon could not be started |
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| 62 | |
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| 63 | # Try to make sure fuse is setup |
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| 64 | [ -e /dev/fuse ] || modprobe fuse || return 2 |
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| 65 | |
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| 66 | if cat /proc/mounts | grep " $pyhesiodfs_dir " >/dev/null 2>&1; then |
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| 67 | return 1 |
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| 68 | fi |
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| 69 | |
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| 70 | mkdir -p "$pyhesiodfs_dir" |
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| 71 | chown root:pyhesiodfs "$pyhesiodfs_dir" |
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| 72 | chmod 770 "$pyhesiodfs_dir" |
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| 73 | |
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| 74 | start-stop-daemon --start --quiet --pidfile $PIDFILE \ |
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| 75 | --chuid pyhesiodfs:pyhesiodfs --background \ |
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| 76 | --make-pidfile \ |
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| 77 | --exec $DAEMON -- \ |
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| 78 | $DAEMON_ARGS \ |
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| 79 | || return 2 |
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[24948] | 80 | |
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| 81 | if [ -n "$oom_adj" ] && [ -w /proc/"$(cat "$PIDFILE")"/oom_adj ]; then |
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| 82 | echo "$oom_adj" > /proc/"$(cat "$PIDFILE")"/oom_adj |
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| 83 | fi |
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[23151] | 84 | } |
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| 85 | |
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| 86 | # |
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| 87 | # Function that stops the daemon/service |
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| 88 | # |
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| 89 | do_stop() |
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| 90 | { |
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| 91 | # Return |
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| 92 | # 0 if daemon has been stopped |
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| 93 | # 1 if daemon was already stopped |
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| 94 | # 2 if daemon could not be stopped |
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| 95 | # other if a failure occurred |
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| 96 | |
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| 97 | if cat /proc/mounts | grep " $pyhesiodfs_dir " >/dev/null 2>&1; then |
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| 98 | umount -l "$pyhesiodfs_dir" || return 2 |
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| 99 | # Many daemons don't delete their pidfiles when they exit. |
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| 100 | rm -f "$PIDFILE" |
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| 101 | else |
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| 102 | return 1 |
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| 103 | fi |
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| 104 | } |
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| 105 | |
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[23080] | 106 | case "$1" in |
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[23151] | 107 | start) |
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| 108 | [ "$VERBOSE" != no ] && log_daemon_msg "Starting $DESC" "$NAME" |
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| 109 | do_start |
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| 110 | case "$?" in |
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| 111 | 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; |
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| 112 | 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; |
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| 113 | esac |
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| 114 | ;; |
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| 115 | stop) |
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| 116 | [ "$VERBOSE" != no ] && log_daemon_msg "Stopping $DESC" "$NAME" |
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| 117 | do_stop |
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| 118 | case "$?" in |
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| 119 | 0|1) [ "$VERBOSE" != no ] && log_end_msg 0 ;; |
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| 120 | 2) [ "$VERBOSE" != no ] && log_end_msg 1 ;; |
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| 121 | esac |
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| 122 | ;; |
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| 123 | restart|force-reload) |
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| 124 | log_daemon_msg "Restarting $DESC" "$NAME" |
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| 125 | do_stop |
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| 126 | case "$?" in |
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| 127 | 0|1) |
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| 128 | do_start |
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| 129 | case "$?" in |
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| 130 | 0) log_end_msg 0 ;; |
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| 131 | 1) log_end_msg 1 ;; # Old process is still running |
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| 132 | *) log_end_msg 1 ;; # Failed to start |
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| 133 | esac |
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| 134 | ;; |
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| 135 | *) |
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| 136 | # Failed to stop |
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| 137 | log_end_msg 1 |
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| 138 | ;; |
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| 139 | esac |
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| 140 | ;; |
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| 141 | *) |
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| 142 | echo "Usage: $SCRIPTNAME {start|stop|restart|force-reload}" >&2 |
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| 143 | exit 3 |
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| 144 | ;; |
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[23080] | 145 | esac |
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| 146 | |
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[23151] | 147 | : |
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