source: trunk/packages/invirt-xen-config/debian/invirt-xen-config.init @ 1457

Last change on this file since 1457 was 1457, checked in by broder, 15 years ago

Automatically startup sysvms if they're not running already

  • Property svn:executable set to *
File size: 2.0 KB
Line 
1#!/bin/bash
2### BEGIN INIT INFO
3# Provides:          invirt-xen-config
4# Required-Start:    $local_fs $remote_fs
5# Required-Stop:     $local_fs $remote_fs
6# Default-Start:     2 3 4 5
7# Default-Stop:      0 1 6
8# Short-Description: Startup script for the Invirt Xen host
9# Description:       
10### END INIT INFO
11
12PACKAGE=invirt-xen-config
13NAME="$PACKAGE"
14DESC="Invirt Xen host"
15PARENTPACKAGE=xend
16GEN_FILES=(/etc/xen/xend-config.sxp.invirt)
17SYSVMS=(s_master s_remote s_console)
18i=1
19for vm in "${SYSVMS[@]}"; do
20    GEN_FILES[$i] = "$vm"
21    i=$((i + 1)
22done
23
24dpkg -s "$PACKAGE" >/dev/null 2>/dev/null || exit 0
25
26. /lib/init/gen-files.sh
27. /lib/init/std-init.sh
28
29start_sysvm() {
30    # Attempt to start a sysvm, but only if it's not running already
31    # somewhere on the cluster
32   
33    VM="$1"
34    DISK="/dev/xenvg/${VM}_hda"
35   
36    # Don't bother trying to start the VM if it's already running
37    if xm list "$1" >/dev/null 2>&1; then
38        return 1
39    fi
40   
41    if lvchange -a n "$DISK" >/dev/null 2>&1 && lvchange -a ey "$DISK" >/dev/null 2>&1; then
42        # If we can lock on the VM's disk, then the VM isn't running
43        [ "$VERBOSE" != no ] && log_daemon_msg "Starting sysvm $VM"
44        xm create "sysvms/$VM" >/dev/null
45        [ "$VERBOSE" != no ] && log_end_msg $?
46        RET=0
47    else
48        RET=1
49    fi
50   
51    # Regardless of whether we could get the lock or not, the
52    # lvchange -a n probably disabled the LV somewhere; be sure we
53    # clean up
54    lvchange -a y "$DISK" >/dev/null 2>&1
55   
56    return $RET
57}
58
59do_startup() {
60    gen_files
61   
62    for vm in "${SYSVMS[@]}"; do
63        start_sysvm "$vm"
64    done
65   
66    echo 1 >/proc/sys/net/ipv4/ip_forward
67    for i in all default; do
68        echo 1 >/proc/sys/net/ipv4/conf/$i/rp_filter
69        echo 1 >/proc/sys/net/ipv4/conf/$i/proxy_arp
70    done
71   
72    invoke-rc.d "$PARENTPACKAGE" "$1"
73}
74
75do_start() {
76    do_startup "start"
77}
78
79do_reload() {
80    do_startup "reload"
81}
82
83do_stop() {
84    invoke-rc.d "$PARENTPACKAGE" stop
85}
86
87std_init "$1"
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