fix: reuse same connection

Signed-off-by: Valentin Lab <valentin.lab@kalysto.org>

.drone.d/update-pre-build.d/ensure-git-0k-access.sh

@@ -17,7 +17,25 @@ chmod 600 /root/.ssh/known_hosts
 cat <<EOF > /root/.ssh/config
 
 Host git.0k.io
+    ## We'll leverage persistent connection to speed things up
+    ControlMaster auto
+    ControlPath ~/.ssh/control/%r@%h:%p
+    ControlPersist 1m
+    ServerAliveInterval 20
+    HostKeyAlgorithms +ssh-dss
     User vm-user
     Port 10022
 
 EOF
+
+mkdir -p /root/.ssh/control
+
+cat <<EOF > /opt/odoo/common/build.d/050-open-ssh
+#!/bin/bash
+
+echo "Checking and opening connection to git.0k.io:" >&2
+ssh -v git.0k.io -- true
+
+EOF
+
+chmod +x /opt/odoo/common/build.d/050-open-ssh