From f8e206c372027ca5b513545c880a23b63de8778a Mon Sep 17 00:00:00 2001
From: Magnus Andersson <mandersson@sunet.se>
Date: Wed, 23 Oct 2024 13:44:02 +0200
Subject: [PATCH] Add script to test connectivity between k8s nodes

---
 tools/k8sconnectivitytest.sh | 58 ++++++++++++++++++++++++++++++++++++
 1 file changed, 58 insertions(+)
 create mode 100755 tools/k8sconnectivitytest.sh

diff --git a/tools/k8sconnectivitytest.sh b/tools/k8sconnectivitytest.sh
new file mode 100755
index 0000000..d9c73a4
--- /dev/null
+++ b/tools/k8sconnectivitytest.sh
@@ -0,0 +1,58 @@
+#!/bin/bash
+
+declare -A portsw
+portsw['4789']='udp'
+portsw['10250']='tcp'
+portsw['10255']='tcp'
+portsw['10257']='tcp'
+portsw['10259']='tcp'
+portsw['12379']='tcp'
+portsw['16443']='tcp'
+portsw['25000']='tcp'
+portsw['51820']='udp'
+
+declare -A portsc
+portsc['4789']='udp'
+portsc['10250']='tcp'
+portsc['10255']='tcp'
+portsc['10257']='tcp'
+portsc['10259']='tcp'
+portsc['12379']='tcp'
+portsc['16443']='tcp'
+portsc['25000']='tcp'
+portsc['51820']='udp'
+
+
+
+declare -a hostsw
+hostsw+=('k8sw1.matrix.test.sunet.se')
+hostsw+=('k8sw2.matrix.test.sunet.se')
+hostsw+=('k8sw3.matrix.test.sunet.se')
+hostsw+=('k8sw4.matrix.test.sunet.se')
+hostsw+=('k8sw5.matrix.test.sunet.se')
+hostsw+=('k8sw6.matrix.test.sunet.se')
+
+declare -a hostsc
+hostsc+=('k8sc1.matrix.test.sunet.se')
+hostsc+=('k8sc2.matrix.test.sunet.se')
+hostsc+=('k8sc3.matrix.test.sunet.se')
+
+echo "*** Test k8s port conectivity to worker nodes ***\n"
+
+for h in ${hostsw[@]}; do
+    for po in ${!portsw[@]}; do
+	[[ "${portsw[$po]}" == "udp" ]] && pr="-u " || pr=""
+        timeout -k 2 1 nc -vz ${pr}${h} ${po} 2>/dev/null  && echo "${h} ${po}/${portsw[$po]^^} [SUCESS]" || echo "${h} ${po}/${portsw[$po]^^} [FAILURE]"
+    done
+    echo ""
+done
+
+echo -e "*** Test K8s port connectivity to control nodes ***\n"
+
+for h in ${hostsc[@]}; do
+    for po in ${!portsc[@]}; do
+        [[ "${portsc[$po]}" == "udp" ]] && pr="-u " || pr=""
+        timeout -k 2 1 nc -vz ${pr}${h} ${po} 2>/dev/null  && echo "${h} ${po}/${portsc[$po]^^} [SUCESS]" || echo "${h} ${po}/${portsc[$po]^^} [FAILURE]"
+    done
+    echo ""
+done