gh-87: added initial cicd for service sharding

cicd/k3s-sharding/EPconfig.txt

@@ -0,0 +1,34 @@
+{
+   "Attr":[
+      {
+         "hostName":"192.168.80.10",
+         "name":"192.168.80.10_tcp_6443",
+         "inactiveReTries":2,
+         "probeType":"tcp",
+         "probeReq":"",
+         "probeResp":"",
+         "probeDuration":10,
+         "probePort":6443
+      },
+      {
+         "hostName":"192.168.80.11",
+         "name":"192.168.80.11_tcp_6443",
+         "inactiveReTries":2,
+         "probeType":"tcp",
+         "probeReq":"",
+         "probeResp":"",
+         "probeDuration":10,
+         "probePort":6443
+      },
+      {
+         "hostName":"192.168.80.12",
+         "name":"192.168.80.12_tcp_6443",
+         "inactiveReTries":2,
+         "probeType":"tcp",
+         "probeReq":"",
+         "probeResp":"",
+         "probeDuration":10,
+         "probePort":6443
+      }
+   ]
+}

cicd/k3s-sharding/Vagrantfile

@@ -0,0 +1,72 @@
+# -*- mode: ruby -*-
+# vi: set ft=ruby :
+
+workers = (ENV['WORKERS'] || "2").to_i
+box_name = (ENV['VAGRANT_BOX'] || "sysnet4admin/Ubuntu-k8s")
+box_version = "0.7.1"
+Vagrant.configure("2") do |config|
+  config.vm.box = "#{box_name}"
+  config.vm.box_version = "#{box_version}"
+
+  if Vagrant.has_plugin?("vagrant-vbguest")
+    config.vbguest.auto_update = false
+  end
+
+  config.vm.define "host" do |host|
+    host.vm.hostname = 'host1'
+    host.vm.network :private_network, ip: "192.168.80.9", :netmask => "255.255.255.0"
+    host.vm.network :private_network, ip: "192.168.90.9", :netmask => "255.255.255.0"
+    host.vm.provision :shell, :path => "host.sh"
+    host.vm.provider :virtualbox do |vbox|
+        vbox.customize ["modifyvm", :id, "--memory", 2048]
+        vbox.customize ["modifyvm", :id, "--cpus", 1]
+    end
+  end
+
+  config.vm.define "master1" do |master|
+    master.vm.hostname = 'master1'
+    master.vm.network :private_network, ip: "192.168.90.10", :netmask => "255.255.255.0"
+    master.vm.network :private_network, ip: "192.168.80.10", :netmask => "255.255.255.0"
+    master.vm.provision :shell, :path => "master1.sh"
+    master.vm.provider :virtualbox do |vbox|
+        vbox.customize ["modifyvm", :id, "--memory", 8192]
+        vbox.customize ["modifyvm", :id, "--cpus", 4]
+    end
+  end
+
+  config.vm.define "master2" do |master|
+    master.vm.hostname = 'master2'
+    master.vm.network :private_network, ip: "192.168.90.11", :netmask => "255.255.255.0"
+    master.vm.network :private_network, ip: "192.168.80.11", :netmask => "255.255.255.0"
+    master.vm.provision :shell, :path => "master2.sh"
+    master.vm.provider :virtualbox do |vbox|
+        vbox.customize ["modifyvm", :id, "--memory", 8192]
+        vbox.customize ["modifyvm", :id, "--cpus", 4]
+    end
+  end
+
+  config.vm.define "master3" do |master|
+    master.vm.hostname = 'master3'
+    master.vm.network :private_network, ip: "192.168.90.12", :netmask => "255.255.255.0"
+    master.vm.network :private_network, ip: "192.168.80.12", :netmask => "255.255.255.0"
+    master.vm.provision :shell, :path => "master3.sh"
+    master.vm.provider :virtualbox do |vbox|
+        vbox.customize ["modifyvm", :id, "--memory", 8192]
+        vbox.customize ["modifyvm", :id, "--cpus", 4]
+    end
+  end
+
+
+  (1..workers).each do |node_number|
+    config.vm.define "worker#{node_number}" do |worker|
+      worker.vm.hostname = "worker#{node_number}"
+      ip = node_number + 100
+      worker.vm.network :private_network, ip: "192.168.80.#{ip}", :netmask => "255.255.255.0"
+      worker.vm.provision :shell, :path => "worker.sh"
+      worker.vm.provider :virtualbox do |vbox|
+          vbox.customize ["modifyvm", :id, "--memory", 4096]
+          vbox.customize ["modifyvm", :id, "--cpus", 2]
+      end
+    end
+  end
+end

cicd/k3s-sharding/config.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+vagrant global-status  | grep -i virtualbox | cut -f 1 -d ' ' | xargs -L 1 vagrant destroy -f
+vagrant up
+#sudo ip route add 123.123.123.1 via 192.168.90.10 || true
+vagrant ssh master1 -c 'sudo kubectl create -f /vagrant/tcp-onearm-ds.yml'
+vagrant ssh master1 -c 'sudo kubectl create -f /vagrant/udp-onearm-ds.yml'
+vagrant ssh master1 -c 'sudo kubectl create -f /vagrant/sctp-onearm-ds.yml'

cicd/k3s-sharding/host.sh

@@ -0,0 +1,6 @@
+sudo apt-get install -y lksctp-tools
+sudo ip route add 123.123.123.0/24 via 192.168.90.10
+sysctl net.ipv4.conf.eth1.arp_accept=1
+sysctl net.ipv4.conf.eth2.arp_accept=1
+sysctl net.ipv4.conf.default.arp_accept=1
+echo "Host is up"

cicd/k3s-sharding/host_validation.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+extIP=$(cat /vagrant/extIP)
+extIP1=$(cat /vagrant/extIP1)
+extIP2=$(cat /vagrant/extIP2)
+
+mode="onearm"
+tcp_port=55001
+udp_port=55002
+sctp_port=55003
+
+code=0
+echo TCP Service IP: $extIP
+
+ip route list match $extIP | grep $extIP -A 2
+
+echo -e "\n*********************************************"
+echo "Testing Service"
+echo "*********************************************"
+for((i=0;i<20;i++))
+do
+
+out=$(curl -s --connect-timeout 10 http://$extIP:$tcp_port)
+if [[ ${out} == *"Welcome to nginx"* ]]; then
+  echo -e "K3s-sharding TCP\t($mode)\t[OK]"
+else
+  echo -e "K3s-sharding TCP\t($mode)\t[FAILED]"
+  code=1
+fi
+
+echo UDP Service IP: $extIP1
+
+out=$(timeout 5 /vagrant/udp_client $extIP1 $udp_port)
+if [[ ${out} == *"Client"* ]]; then
+  echo -e "K3s-sharding UDP\t($mode)\t[OK]"
+else
+  echo -e "K3s-sharding UDP\t($mode)\t[FAILED]"
+  code=1
+fi
+
+echo SCTP Service IP: $extIP2
+
+sctp_darn -H 192.168.80.9 -h $extIP2 -p $sctp_port -s < /vagrant/input > output
+#sleep 2
+exp="New connection, peer addresses
+192.168.80.202:55003"
+
+res=`cat output | grep -A 1 "New connection, peer addresses"`
+sudo rm -rf output
+if [[ "$res" == "$exp" ]]; then
+    #echo $res
+    echo -e "K3s-sharding SCTP\t($mode)\t[OK]"
+else
+    echo -e "K3s-sharding SCTP\t($mode)\t[FAILED]"
+    code=1
+fi
+
+
+done
+exit $code

cicd/k3s-sharding/input

@@ -0,0 +1,6 @@
+
+
+
+
+
+

cicd/k3s-sharding/kube-loxilb.yml

@@ -0,0 +1,148 @@
+---
+apiVersion: v1
+kind: ServiceAccount
+metadata:
+  name: kube-loxilb
+  namespace: kube-system
+---
+kind: ClusterRole
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: kube-loxilb
+rules:
+  - apiGroups:
+      - ""
+    resources:
+      - nodes
+    verbs:
+      - get
+      - watch
+      - list
+      - patch
+  - apiGroups:
+      - ""
+    resources:
+      - pods
+    verbs:
+      - get
+      - watch
+      - list
+      - patch
+  - apiGroups:
+      - ""
+    resources:
+      - endpoints
+      - services
+      - namespaces
+      - services/status
+    verbs:
+      - get
+      - watch
+      - list
+      - patch
+      - update
+  - apiGroups:
+      - discovery.k8s.io
+    resources:
+      - endpointslices
+    verbs:
+      - get
+      - watch
+      - list
+  - apiGroups:
+      - authentication.k8s.io
+    resources:
+      - tokenreviews
+    verbs:
+      - create
+  - apiGroups:
+      - authorization.k8s.io
+    resources:
+      - subjectaccessreviews
+    verbs:
+      - create
+---
+kind: ClusterRoleBinding
+apiVersion: rbac.authorization.k8s.io/v1
+metadata:
+  name: kube-loxilb
+roleRef:
+  apiGroup: rbac.authorization.k8s.io
+  kind: ClusterRole
+  name: kube-loxilb
+subjects:
+  - kind: ServiceAccount
+    name: kube-loxilb
+    namespace: kube-system
+---
+apiVersion: apps/v1
+kind: Deployment
+metadata:
+  name: kube-loxilb
+  namespace: kube-system
+  labels:
+    app: loxilb
+spec:
+  replicas: 1
+  selector:
+    matchLabels:
+      app: loxilb
+  template:
+    metadata:
+      labels:
+        app: loxilb
+    spec:
+      hostNetwork: true
+      dnsPolicy: ClusterFirstWithHostNet
+      tolerations:
+        - effect: NoSchedule
+          operator: Exists
+        # Mark the pod as a critical add-on for rescheduling.
+        - key: CriticalAddonsOnly
+          operator: Exists
+        - effect: NoExecute
+          operator: Exists
+        - key: "node-role.kubernetes.io/master"
+          operator: Exists
+        - key: "node-role.kubernetes.io/control-plane"
+          operator: Exists
+      affinity:
+        nodeAffinity:
+          requiredDuringSchedulingIgnoredDuringExecution:
+            nodeSelectorTerms:
+            - matchExpressions:
+              - key: "node-role.kubernetes.io/master"
+                operator: Exists
+              - key: "node-role.kubernetes.io/control-plane"
+                operator: Exists
+      priorityClassName: system-node-critical
+      serviceAccountName: kube-loxilb
+      terminationGracePeriodSeconds: 0
+      containers:
+      - name: kube-loxilb
+        image: ghcr.io/loxilb-io/kube-loxilb:latest
+        imagePullPolicy: Always
+        command:
+        - /bin/kube-loxilb
+        args:
+        #- --loxiURL=http://192.168.80.10:11111
+        - --cidrPools=defaultPool=192.168.80.200/24
+        #- --setBGP=64512
+        - --setRoles=0.0.0.0
+        - --setUniqueIP
+        - --numZoneInstances=3
+        #- --monitor
+        #- --setBGP
+        #- --setLBMode=1
+        #- --config=/opt/loxilb/agent/kube-loxilb.conf
+        resources:
+          requests:
+            cpu: "100m"
+            memory: "50Mi"
+          limits:
+            cpu: "100m"
+            memory: "50Mi"
+        securityContext:
+          privileged: true
+          capabilities:
+            add: ["NET_ADMIN", "NET_RAW"]

cicd/k3s-sharding/lbconfig.txt

@@ -0,0 +1,41 @@
+{
+   "lbAttr":[
+      {
+         "serviceArguments":{
+            "externalIP":"192.168.80.80",
+            "port":6443,
+            "protocol":"tcp",
+            "sel":0,
+            "mode":2,
+            "BGP":false,
+            "Monitor":true,
+            "inactiveTimeOut":240,
+            "block":0
+         },
+         "secondaryIPs":null,
+         "endpoints":[
+            {
+               "endpointIP":"192.168.80.10",
+               "targetPort":6443,
+               "weight":1,
+               "state":"active",
+               "counter":""
+            },
+            {
+               "endpointIP":"192.168.80.11",
+               "targetPort":6443,
+               "weight":1,
+               "state":"active",
+               "counter":""
+            },
+            {
+               "endpointIP":"192.168.80.12",
+               "targetPort":6443,
+               "weight":1,
+               "state":"active",
+               "counter":""
+            }
+         ]
+      }
+   ]
+}