#!/bin/sh
# a script to test the basic setup of a CTDB/Samba install
# tridge@samba.org September 2007
+# martin@meltin.net August 2010
+
+usage ()
+{
+ cat >&2 <<EOF
+Usage: ctdb_diagnostics [OPTION] ...
+ options:
+ -n <nodes> Comma separated list of nodes to operate on
+ -c Ignore comment lines (starting with '#') in file comparisons
+ -w Ignore whitespace in file comparisons
+ --no-ads Do not use commands that assume an Active Directory Server
+EOF
+ exit 1
+
+}
+
+nodes=$(ctdb listnodes -Y | cut -d: -f2)
+diff_opts=
+no_ads=false
+
+parse_options ()
+{
+ temp=$(getopt -n "ctdb_diagnostics" -o "n:cwh" -l no-ads,help -- "$@")
+
+ [ $? != 0 ] && usage
+
+ eval set -- "$temp"
+
+ while true ; do
+ case "$1" in
+ -n) nodes=$(echo "$2" | sed -e 's@,@ @g') ; shift 2 ;;
+ -c) diff_opts="${diff_opts} -I ^#.*" ; shift ;;
+ -w) diff_opts="${diff_opts} -w" ; shift ;;
+ --no-ads) no_ads=true ; shift ;;
+ --) shift ; break ;;
+ -h|--help|*) usage ;;
+ esac
+ done
+
+ [ $# -ne 0 ] && usage
+}
+
+parse_options "$@"
+
+nodes_comma=$(echo $nodes | sed -e 's@[[:space:]]@,@g')
PATH="$PATH:/sbin:/usr/sbin:/usr/lpp/mmfs/bin"
# list of config files that must exist and that we check are the same
-# on all nodes
+# on the nodes
CONFIG_FILES_MUST="/etc/krb5.conf /etc/hosts /etc/ctdb/nodes /etc/sysconfig/ctdb /etc/resolv.conf /etc/nsswitch.conf /etc/sysctl.conf /etc/samba/smb.conf /etc/fstab /etc/multipath.conf /etc/pam.d/system-auth /etc/sysconfig/nfs /etc/exports /etc/vsftpd/vsftpd.conf"
# list of config files that may exist and should be checked that they
-# are the same on all nodes
+# are the same on the nodes
CONFIG_FILES_MAY="/etc/ctdb/public_addresses /etc/ctdb/static-routes"
2>&1
}
show_all() {
- echo "running $1 on all nodes"
- onnode all "hostname; date; $1 2>&1 | sed 's/^/ /'"
+ echo "running $1 on nodes $nodes_comma"
+ onnode $nodes_comma "hostname; date; $1 2>&1 | sed 's/^/ /'" 2>&1
+}
+
+show_and_compare_files () {
+
+ fmt="$1" ; shift
+
+ for f ; do
+
+ first=true
+
+ for n in $nodes ; do
+
+ if $first ; then
+ onnode $n [ -r "$f" ] || {
+ msg=$(printf "$fmt" "$f" $n)
+ error "$msg"
+ continue 2;
+ }
+
+ fstf=/tmp/`basename $f`.node$n
+ onnode $n cat $f > $fstf 2>&1
+
+ echo " ================================"
+ echo " File (on node $n): $f"
+ echo " `onnode $n ls -l $f 2>&1`"
+ cat "$fstf" | sed 's/^/ /'
+ echo " ================================"
+ first=false
+ else
+ echo "Testing for same config file $f on node $n"
+ tmpf=/tmp/`basename $f`.node$n
+ onnode $n cat $f > $tmpf 2>&1
+ diff $diff_opts $fstf $tmpf >/dev/null 2>&1 || {
+ error "File $f is different on node $n"
+ diff -u $diff_opts $fstf $tmpf
+ }
+ rm -f $tmpf
+ fi
+ done
+
+ rm -f $fstf
+ done
}
ERRORS="/tmp/diag_err.$$"
-NUM_NODES=`wc -l < /etc/ctdb/nodes`
-MAX_NODE=`expr $NUM_NODES - 1`
NUM_ERRORS=0
+
cat <<EOF
-Diagnosis started on a $NUM_NODES node cluster. The following node list will be used:
+Diagnosis started on these nodes:
+$nodes_comma
+
+For reference, here is the nodes file on the current node...
EOF
show_file /etc/ctdb/nodes
cat <<EOF
--------------------------------------------------------------------
-Comping critical config files on all nodes
+Comping critical config files on nodes $nodes_comma
EOF
-for f in $CONFIG_FILES_MUST; do
- [ -r "$f" ] || {
- error "$f is missing on this node"
- continue;
- }
- show_file $f
- for i in `seq 0 $MAX_NODE`; do
- echo "Testing for same config file $f on node $i"
- tmpf=/tmp/`basename $f`.node$i
- onnode $i cat $f > $tmpf 2>&1
- cmp $f $tmpf 2>&1 || {
- error "File $f is different on node $i"
- diff -u $f $tmpf
- }
- rm -f $tmpf
- done
-done
+show_and_compare_files \
+ "%s is missing on node %d" \
+ $CONFIG_FILES_MUST
-for f in $CONFIG_FILES_MAY; do
- [ -r "$f" ] || {
- echo "Optional file $f is not present on local node"
- continue;
- }
- show_file $f
- for i in `seq 0 $MAX_NODE`; do
- echo "Testing for same config file $f on node $i"
- tmpf=/tmp/`basename $f`.node$i
- onnode $i cat $f > $tmpf 2>&1
- cmp $f $tmpf 2>&1 || {
- error "File $f is different on node $i"
- diff -u $f $tmpf
- }
- rm -f $tmpf
- done
-done
+show_and_compare_files \
+ "Optional file %s is not present on node %d" \
+ $CONFIG_FILES_MAY
cat <<EOF
--------------------------------------------------------------------
Checking for clock drift
EOF
t=`date +%s`
-for i in `seq 0 $MAX_NODE`; do
+for i in $nodes; do
t2=`onnode $i date +%s`
d=`expr $t2 - $t`
if [ $d -gt 30 -o $d -lt -30 ]; then
Showing Samba status
EOF
show_all "smbstatus -n -B"
-show_all "net ads testjoin"
+if $no_ads ; then
+ echo
+ echo "Skipping \"net ads testjoin\" as requested"
+ echo
+else
+ show_all "net ads testjoin"
+fi
show_all "net conf list"
show_all "lsof -n | grep smbd"
show_all "lsof -n | grep ctdbd"
show_all "netstat -tan"
-show_all "net ads info"
+if $no_ads ; then
+ echo
+ echo "Skipping \"net ads info\" as requested"
+ echo
+else
+ show_all "net ads info"
+fi
show_all "date"
show_all "smbclient -U% -L 127.0.0.1"
WORKGROUP=`testparm -s --parameter-name=WORKGROUP 2> /dev/null`