vstart.sh: write logrotate conf and rotate logs

Signed-off-by: Rishabh Dave <ridave@redhat.com>

diff --git a/src/vstart.sh b/src/vstart.sh
index 1e7b84917356d41b17d13c6dba02af231055e470..b98bdd3d6eb543980c3bf64d97b5f5214e86e560 100755 (executable)
--- a/src/vstart.sh
+++ b/src/vstart.sh
@@ -189,9 +189,12 @@ inc_osd_num=0
 
 msgr="21"
 
+rotate_logs=1
+
 usage="usage: $0 [option]... \nex: MON=3 OSD=1 MDS=1 MGR=1 RGW=1 NFS=1 $0 -n -d\n"
 usage=$usage"options:\n"
 usage=$usage"\t-d, --debug\n"
+usage=$usage"\t--dont-rotate: don't rotate the logs\n"
 usage=$usage"\t-s, --standby_mds: Generate standby-replay MDS for each active\n"
 usage=$usage"\t-l, --localhost: use localhost instead of hostname\n"
 usage=$usage"\t-i <ip>: bind to specific ip\n"
@@ -243,6 +246,9 @@ case $1 in
     -d | --debug )
         debug=1
         ;;
+    --dont-rotate)
+        rotate_logs=0
+        ;;
     -s | --standby_mds)
         standby=1
         ;;
@@ -719,6 +725,40 @@ $extra_conf
 EOF
 }
 
+write_logrotate_conf() {
+    out_dir=$(pwd)"/out/*.log"
+
+    cat << EOF
+$out_dir
+{
+    rotate 5
+    size 1G
+    copytruncate
+    compress
+    notifempty
+    missingok
+    sharedscripts
+    postrotate
+        # NOTE: assuring that the absence of one of the following processes
+        # won't abort the logrotate command.
+        killall -u $USER -q -1 ceph-mon ceph-mgr ceph-mds ceph-osd ceph-fuse radosgw rbd-mirror || echo ""
+    endscript
+}
+EOF
+}
+
+init_logrotate() {
+    logrotate_conf_path=$(pwd)"/logrotate.conf"
+    logrotate_state_path=$(pwd)"/logrotate.state"
+
+    if ! test -a $logrotate_conf_path; then
+        if test -a $logrotate_state_path; then
+            rm -f $logrotate_state_path
+        fi
+        write_logrotate_conf > $logrotate_conf_path
+    fi
+}
+
 start_mon() {
     local MONS=""
     local count=0
@@ -1557,3 +1597,7 @@ if [ -f "$STRAY_CONF_PATH" -a -n "$conf_fn" -a ! "$conf_fn" -ef "$STRAY_CONF_PAT
     echo "NOTE:"
     echo "    Remember to restart cluster after removing $STRAY_CONF_PATH"
 fi
+
+if [ $rotate_logs -ne 0 ]; then
+    init_logrotate
+fi