From 39711cf6c2ec5a3b4480dcb4800cc3802bda5bf2 Mon Sep 17 00:00:00 2001
From: Lukasz Kasprzak <lukasz.kasprzak@pm.me>
Date: Fri, 20 Mar 2026 19:16:32 +0100
Subject: feat: first fully successful run e2e on straper

---
 .../public/network/etc-network/if-down.d/postfix   |  3 +++
 .../public/network/etc-network/if-down.d/resolved  | 26 ++++++++++++++++++++++
 2 files changed, 29 insertions(+)
 create mode 100755 straper/db/public/network/etc-network/if-down.d/postfix
 create mode 100755 straper/db/public/network/etc-network/if-down.d/resolved

(limited to 'straper/db/public/network/etc-network/if-down.d')

diff --git a/straper/db/public/network/etc-network/if-down.d/postfix b/straper/db/public/network/etc-network/if-down.d/postfix
new file mode 100755
index 0000000..9db2b8b
--- /dev/null
+++ b/straper/db/public/network/etc-network/if-down.d/postfix
@@ -0,0 +1,3 @@
+#! /bin/sh
+# update postfix copy of resolv.conf (picked up automatically); only default instance is handled
+[ lo != "$IFACE" ] && cp -pLu /etc/resolv.conf /var/spool/postfix/etc/resolv.conf 2>/dev/null || :
diff --git a/straper/db/public/network/etc-network/if-down.d/resolved b/straper/db/public/network/etc-network/if-down.d/resolved
new file mode 100755
index 0000000..5c603d8
--- /dev/null
+++ b/straper/db/public/network/etc-network/if-down.d/resolved
@@ -0,0 +1,26 @@
+#!/bin/sh
+#
+# Script fragment to make ifupdown supply DNS information to resolved
+#
+
+case "$ADDRFAM" in
+    inet|inet6) : ;;
+    *) exit 0 ;;
+esac
+
+if systemctl is-enabled systemd-resolved > /dev/null 2>&1; then
+    interface=$IFACE
+    if [ ! "$interface" ]; then
+        return
+    fi
+    ifindex=$(cat "/sys/class/net/$interface/ifindex")
+    if [ ! "$ifindex" ]; then
+        return
+    fi
+    mystatedir=/run/network
+    statedir=/run/systemd/resolve/netif
+    rm -f "$mystatedir/isc-dhcp-v4-$interface" "$mystatedir/isc-dhcp-v6-$interface" "$mystatedir/ifupdown-inet-$interface" "$mystatedir/ifupdown-inet6-$interface" "$statedir/$ifindex"
+    if systemctl --quiet is-active systemd-resolved; then
+        resolvectl revert "$ifindex" || true
+    fi
+fi
-- 
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