operwrt: add script for viwib2 firmware upgrade

openwrt/viwib2-1-firmware-upgrade.sh

@@ -0,0 +1,69 @@
+#!/bin/sh
+# 2020-06-13, Nico Schottelius
+# See https://ungleich.ch/u/products/viirb-ipv6-box/
+
+if [ $# -ne 1 ]; then
+    echo "$0 address"
+    echo "    address: connect to this address (default: 192.168.8.1)"
+    exit 1
+fi
+
+set -x
+
+viwib_ip=$1; shift
+
+# openwrt
+version=21.02.3
+filename=openwrt-${version}-ath79-nand-glinet_gl-ar300m-nor-squashfs-sysupgrade.bin
+url=https://downloads.openwrt.org/releases/${version}/targets/ath79/nand
+
+# don't care about other/old known_host entries
+ssh-keygen  -R ${viwib_ip}
+
+while ! ping -c1 ${viwib_ip}; do
+    echo "Cannot ping $viwib_ip yet - waiting"
+    sleep 1
+done
+
+cat ~/.ssh/id_rsa.pub | ssh root@${viwib_ip} "cat > /etc/dropbear/authorized_keys"
+
+
+# Don't re-download if we already have it
+wget -c ${url}/${filename}
+
+if echo $viwib_ip | grep -q :; then
+    scp_ip="[$viwib_ip]"
+else
+    scp_ip="$viwib_ip"
+fi
+
+scp ${filename} root@${scp_ip}:/tmp
+ssh root@${viwib_ip} "sysupgrade -n /tmp/*.bin"
+
+# It still pings for some time - wait for the reboot to happen
+echo "Waiting for viwib to really disappear"
+sleep 15
+
+wait=0
+found=""
+
+while [ $wait -lt 180 ]; do
+    ping -c1 ${viwib_ip} >/dev/null
+
+    if [ $? -eq 0 ]; then
+        found=yes
+        # wait for ssh to come up
+        sleep 10
+        break
+    fi
+
+    sleep 1
+    wait=$((wait+1))
+    done
+
+if [ ! "$found" ]; then
+    echo "Did not find updated viwib - debug / restart it"
+    exit 1
+fi
+
+echo "viwib successfully updated to ${version}"