X-Git-Url: http://git.onelab.eu/?a=blobdiff_plain;ds=sidebyside;f=lbuild-initvm.sh;h=58030ccccdccfd24199d1c2e9c57b971805388f3;hb=9b43f7de695e9515fe7c80925bcb15b469c833e6;hp=59ba47ee9f09f45db84e094dcaeb48e008f0353a;hpb=57a816ab6f8b0ed57c577b2f7374fdc9f552a7ae;p=build.git

diff --git a/lbuild-initvm.sh b/lbuild-initvm.sh
index 59ba47ee..58030ccc 100755
--- a/lbuild-initvm.sh
+++ b/lbuild-initvm.sh
@@ -872,11 +872,11 @@ EOF
 # 1st version was relying on virsh net-dhcp-leases
 # however this was too fragile, would not work for fedora14 containers
 # WARNING: this code is duplicated in lbuild-nightly.sh
-function guest_ipv4() {
+function guest_ipv4_old() {
     lxc=$1; shift
 
     mac=$(virsh -c lxc:/// domiflist $lxc | grep -E 'network|bridge' | awk '{print $5;}')
-    [ -z "$mac" ] && { echo 1>&2 guest_ipv4 cannot find mac; return 1; }
+    [ -z "$mac" ] && { echo 1>&2 guest_ipv4_old cannot find mac; return 1; }
     ip=$(arp -en | grep "$mac" | awk '{print $1;}')
     # if not known: run a ping and try again
     if [ -z $ip ]; then
@@ -884,10 +884,28 @@ function guest_ipv4() {
 	    ping -c1 -w1 -W1 $lxc.pl.sophia.inria.fr >& /dev/null
 	    ip=$(arp -en | grep "$mac" | awk '{print $1;}')
     fi
-    [ -z "$ip" ] && { echo 1>&2 guest_ipv4 cannot find ip; return 1; }
+    [ -z "$ip" ] && { echo 1>&2 guest_ipv4_old cannot find ip; return 1; }
     echo $ip
 }
 
+function guest_ipv4() {
+    lxc=$1; shift
+
+    # this gives us the libvirt_lxc pid for the container
+    local lxc_pid=$(virsh -c lxc:/// dominfo $lxc | grep '^Id:' | awk '{print $2;}' | sed -e "s|-||g")
+    [[ -z "$lxc_pid" ]] && { echo 1>&2 guest_ipv4 cannot find lxc pid; return 1; }
+    # but we need the systemd (pid=1) instance for the container
+    local systemd_pid=$(pgrep -P $lxc_pid systemd)
+    [[ -z "$systemd_pid" ]] && { echo 1>&2 guest_ipv4 cannot systemd pid; return 1; }
+    # from there we can inspect the network interfaces
+    local domip=$(nsenter -t $systemd_pid -n ip -br addr show eth0 \
+                 | awk '{print $3}' \
+                 | cut -d/ -f1 \
+                 )
+    [ -z "$domip" ] && { echo 1>&2 guest_ipv4 cannot find ip; return 1; }
+    echo $domip
+}
+
 function wait_for_ssh () {
     set -x
     set -e
@@ -895,7 +913,8 @@ function wait_for_ssh () {
     local lxc=$1; shift
 
     # if run in public_ip mode, we know the IP of the guest and it is specified here
-    [ -n "$1" ] && { guest_ip=$1; shift; }
+    local specified_ip
+    [ -n "$1" ] && { specified_ip=$1; shift; }
 
     #wait max 2 min for sshd to start
     local success=""
@@ -904,14 +923,19 @@ function wait_for_ssh () {
 
     local counter=1
     while [ "$current_time" -lt "$stop_time" ] ; do
-        echo "$counter-th attempt to reach sshd in container $lxc ..."
-        [ -z "$guest_ip" ] && guest_ip=$(guest_ipv4 $lxc) || :
+        if [ -n "$specified_ip" ]; then
+            guest_ip="${specified_ip}"
+        else
+            guest_ip=$(guest_ipv4 $lxc) || :
+        fi
+        echo "$counter-th attempt to reach sshd in container $lxc on address $guest_ip ..."
         [ -n "$guest_ip" ] && ssh -o "StrictHostKeyChecking no" $guest_ip arch && {
             success=true; echo "SSHD in container $lxc is UP on IP $guest_ip"; break ; } || :
         # some of our boxes have gone through a long upgrade historically, and
         # so they don't end up with the same gid mapping for the ssh_keys
         # group as the ones in the guest that result from a fresh install
-        virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "chown root:ssh_keys /etc/ssh/*_key" || :
+        # 2024 : lxc-enter-namespace is broken anyways
+        # virsh -c lxc:/// lxc-enter-namespace $lxc /bin/bash -c "chown root:ssh_keys /etc/ssh/*_key" || :
         counter=$(($counter+1))
         sleep 10
         current_time=$(date +%s)