improvement: precise wording

crossover

@@ -39,6 +39,8 @@ declare -A -g dvmids
 
 declare -g scluster
 declare -g dcluster
+declare -g scephversion
+declare -g dcephversion
 
 # global integers
 declare -g -i perf_freeze_ok=0
@@ -65,6 +67,7 @@ declare opt_destination
 declare opt_vm_ids=''
 declare opt_snapshot_prefix='mirror-'
 declare opt_rewrite=''
+declare opt_pool='rbd'
 declare -i opt_prefix_id
 declare opt_exclude_vmids=''
 declare -i opt_debug=0
@@ -76,6 +79,7 @@ declare -i opt_keepdlock=0
 declare -i opt_overwrite=0
 declare -i opt_online=0
 declare -i opt_migrate=0
+declare -i opt_noconfirm=0
 declare opt_keep_local='0s'
 declare opt_keep_remote='0s'
 
@@ -118,7 +122,7 @@ Options:
     --prefixid           Prefix for VMID's on target System [optional]
     --excludevmids       Exclusde VM IDs when using --vmid==all
     --destination        Target PVE Host in target pool. e.g. --destination=pve04
-    --pool               Ceph pool name in target pool. e.g. --pool=data
+    --pool               Ceph pool name in target pool. e.g. --pool=data [default=rbd]
     --keeplocal          How many additional Snapshots to keep locally. e.g. --keeplocal=2d
     --keepremote         How many additional Snapshots to keep remote. e.g. --keepremote=7d
     --rewrite            PCRE Regex to rewrite the Config Files (eg. --rewrite='s/(net0:)(.*)tag=([0-9]+)/\1\2tag=1/g' would
@@ -135,6 +139,7 @@ Switches:
     --keep-slock         Keep source VM locked on Transfer
     --keep-dlock         Keep VM locked after transfer on Destination
     --overwrite          Overwrite Destination
+    --noconfirm          Don't ask for confirmation before starting --migrate mode (use with care!)
     --debug              Show Debug Output
 
 Report bugs to <mephisto@mephis.to>
@@ -149,7 +154,7 @@ function parse_opts(){
     local args
     args=$(getopt \
            --options '' \
-           --longoptions=vmid:,prefixid:,excludevmids:,destination:,pool:,keeplocal:,keepremote:,rewrite:,influxurl:,influxorg:,influxtoken:,influxbucket:,jobname:,mail:,online,migrate,nolock,keep-slock,keep-dlock,overwrite,dry-run,debug,syslog \
+           --longoptions=vmid:,prefixid:,excludevmids:,destination:,pool:,keeplocal:,keepremote:,rewrite:,influxurl:,influxorg:,influxtoken:,influxbucket:,jobname:,mail:,online,migrate,nolock,keep-slock,keep-dlock,overwrite,dry-run,noconfirm,debug,syslog \
            --name "$PROGNAME" \
            -- "$@") \
            || end_process 128
@@ -175,6 +180,7 @@ function parse_opts(){
         --online) opt_online=1; shift ;;
         --migrate) opt_migrate=1; shift ;;
         --dry-run) opt_dry_run=1; shift;;
+        --noconfirm) opt_noconfirm=1; shift;;
         --debug) opt_debug=1; shift;;
         --nolock) opt_lock=0; shift;;
         --keep-slock) opt_keepslock=1; shift;;
@@ -325,7 +331,7 @@ function get_disks_from_config(){
                 [[ "$line" == "" ]] && break
                 echo "$line" 
             done < "$file_config" | \
-            grep -P '^(?:((?:virtio|ide|scsi|sata|mp)\d+)|rootfs): ' | \
+            grep -P '^(?:((?:efidisk|virtio|ide|scsi|sata|mp)\d+)|rootfs): ' | \
             grep -v -P 'cdrom|none' | \
             grep -v -P 'backup=0' | \
             awk '{ split($0,a,","); split(a[1],b," "); print b[2]}')
@@ -408,6 +414,7 @@ function mirror() {
     local -i diskcount=0
     local -i startdowntime
     local -i enddowntime
+    local -i ga_ping
 
     local disp_perf_freeze_failed
     local disp_perf_ss_failed
@@ -418,6 +425,9 @@ function mirror() {
     log info "Start mirror $(date "+%F %T")"
     startjob=$(date +%s)
 
+    get_ceph_version
+    log info "Local Ceph Version: $scephversion, Remote Ceph Version: $dcephversion"
+
     #create pid file
     local pid_file="/var/run/$PROGNAME.pid"
     if [[ -e "$pid_file" ]]; then
@@ -435,6 +445,20 @@ function mirror() {
     scluster=$(grep cluster_name /etc/pve/corosync.conf | cut -d " " -f 4)
     dcluster=$(ssh "$opt_destination" grep cluster_name /etc/pve/corosync.conf | cut -d " " -f 4)
 
+    if [ $opt_migrate -eq 1 ] && [ $opt_noconfirm -eq 0 ]; then
+        echo "VM(s) $opt_vm_ids will subsequently be shutdown on [$scluster] and started on [$dcluster]"
+        read -p "Do you want to proceed? (yes/no) " yn
+        case $yn in 
+            yes ) echo ok, we will proceed;;
+            no ) echo exiting...;
+                exit;;
+            * ) echo invalid response;
+                exit 1;;
+        esac
+    fi
+
+
+
     map_source_to_destination_vmid
     map_vmids_to_host
     map_vmids_to_dsthost "$opt_destination"
@@ -450,6 +474,12 @@ function mirror() {
             log error "VM $vm_id - Preflight check: VM $vm_id does not exist on source cluster [$scluster] - skipping to next VM."
             continue
         fi
+        ga_ping=$(gaping "$vm_id")
+        log debug "ga_ping: $ga_ping"
+        if [ "$ga_ping" -eq 255 ] ; then    #vm running but no qemu-guest-agent answering
+            log error "VM $vm_id - Preflight check: VM $vm_id on source cluster [$scluster] has no qemu-guest-agent running - skipping to next VM."
+            continue
+        fi
         (( vmcount++ ))
         local disk=''
         dvmid=${dvmids[$vm_id]}
@@ -482,7 +512,7 @@ function mirror() {
                 log error "Source VM genid ($srcvmgenid) doesn't match destination VM genid ($dstvmgenid). This should not happen. Bailing out.."
                 end_process 255
             fi
-            log info "VM $vm_id - Transmitting Config for to destination $opt_destination VMID $dvmid"
+            log info "VM $vm_id - Transmitting Config for VM $vm_id to destination $opt_destination VMID $dvmid"
             rewriteconfig $PVE_NODES/"${pvnode[$vm_id]}"/$QEMU/"$vm_id".conf $opt_destination "$opt_pool" $PVE_NODES/"$opt_destination"/$QEMU/"$dvmid".conf "$dvmid"
             map_vmids_to_dsthost "$opt_destination"
         fi
@@ -505,8 +535,8 @@ function mirror() {
             do_run "ssh root@""${dstpvnode[$dvmid]}"" qm set ""$dvmid"" --lock backup" >/dev/null
             log info "VM $dvmid - locked $dvmid [rc:$?] on destination"
         fi
-        #Freeze fs only if no migration running
+        #Freeze fs only if no migration running and qemu-guest-agent okay.
-        if [ $opt_migrate -eq 0 ]; then
+        if [ $opt_migrate -eq 0 ] && [ $ga_ping -eq 0 ]; then
             vm_freeze "$vm_id" "${pvnode[$vm_id]}" >/dev/null
             freezerc=$?
             if [ $freezerc -gt 0 ]; then
@@ -709,6 +739,15 @@ function do_housekeeping(){
     done
 }
 
+function gaping() {
+    local vmid=$1
+    local rc
+    cmd="ssh root@${pvnode[$vmid]} qm guest cmd $vmid ping >/dev/null 2>&1"
+    eval "$cmd"
+    rc=$?
+    echo $rc
+}
+
 function create_snapshot(){
     local snap="$1"
     log info "VM $vm_id - Creating snapshot $snap"
@@ -765,7 +804,7 @@ function rewriteconfig(){
     else
         sedcmd='sed -e /^$/,$d'
     fi
-    cat "$oldconfig" | sed -r -e "s/^(virtio|ide|scsi|sata|mp)([0-9]+):\s([a-zA-Z0-9]+):(.*)-([0-9]+)-disk-([0-9]+).*,(.*)$/\1\2: $newpool:\4-$newvmid-disk-\6-\3,\7/g" | $sedcmd | sed -e '/^$/,$d' | sed -e '/ide[0-9]:.*-cloudinit,media=cdrom.*/d' | grep -v "^parent:\s.*$" | ssh "$dst" "cat - >$newconfig"
+    cat "$oldconfig" | sed -r -e "s/^(efidisk|virtio|ide|scsi|sata|mp)([0-9]+):\s([a-zA-Z0-9]+):(.*)-([0-9]+)-disk-([0-9]+).*,(.*)$/\1\2: $newpool:\4-$newvmid-disk-\6-\3,\7/g" | $sedcmd | sed -e '/^$/,$d' | sed -e '/ide[0-9]:.*-cloudinit,media=cdrom.*/d' | grep -v "^parent:\s.*$" | ssh "$dst" "cat - >$newconfig"
 }
 
 function checkvmid(){
@@ -849,6 +888,11 @@ function check_pool_exist() {
     echo $exists
 }
 
+function get_ceph_version() {
+    scephversion=$(ceph -v | cut -d " " -f 3)
+    dcephversion=$(ssh $opt_destination ceph -v | cut -d " " -f 3)
+}
+
 function main(){    
     [ $# = 0 ] && usage;