Add ObjectScale to SSH mesh (admin bootstrap, root via keys)

ObjectScale blocks root SSH by default; only admin accepts login.
Bootstrap installs cluster key for admin and root; document in ssh-mesh.md.

scripts/setup/setup-ssh-mesh.sh

@@ -64,11 +64,14 @@ $(grep -v '^#' "$HOSTS_FILE" | grep -v '^$')
 HOSTS
 mkdir -p /root/.ssh/config.d
 cat > /root/.ssh/config.d/99-atc-lab.conf <<'CFG'
-Host atc-* *.dell-atc.lan pve01 proxmox
-  User root
+Host atc-* *.dell-atc.lan pve01 proxmox objectscale
   IdentityFile ~/.ssh/atc_cluster
   StrictHostKeyChecking accept-new
   ConnectTimeout 5
+Host atc-objectscale objectscale 10.0.20.111
+  User admin
+Host atc-* pve01 proxmox
+  User root
 CFG
 grep -q 'config.d' /root/.ssh/config 2>/dev/null || \
   printf '%s\n' 'Include config.d/*.conf' > /root/.ssh/config
@@ -95,4 +98,11 @@ ssh "${SSH_OPTS[@]}" -i "$TMPDIR/atc_cluster" root@10.0.21.45 '
   echo "OK=${ok} FAIL=${fail}"
 '
 
+echo ""
+echo "==> ObjectScale (admin bootstrap)"
+if [[ -x "${REPO_ROOT}/scripts/setup/setup-objectscale-ssh.sh" ]]; then
+  OBJECTSCALE_PASSWORD="${OBJECTSCALE_PASSWORD:-}" "${REPO_ROOT}/scripts/setup/setup-objectscale-ssh.sh" || \
+    echo "  ObjectScale skipped (set OBJECTSCALE_PASSWORD if needed)"
+fi
+
 echo "Done. See docs/ssh-mesh.md"