From cc9a8110b1c841b706fcbf36a633f0c8176dc832 Mon Sep 17 00:00:00 2001 From: Trekkie Coder Date: Mon, 29 Apr 2024 20:06:38 +0900 Subject: [PATCH] cicd: added k3s-multi-master scenario with service LB and proxy support --- .../EPconfig.txt | 34 ++++ cicd/k3s-multi-master-service-proxy/README | 7 + .../Vagrantfile | 85 ++++++++++ cicd/k3s-multi-master-service-proxy/config.sh | 6 + cicd/k3s-multi-master-service-proxy/host.sh | 3 + .../host_validation.sh | 53 +++++++ cicd/k3s-multi-master-service-proxy/input | 6 + .../iperf-onearm-ds.yml | 47 ++++++ cicd/k3s-multi-master-service-proxy/k3s.yaml | 19 +++ .../kube-loxilb.yml | 145 ++++++++++++++++++ .../lbconfig.txt | 41 +++++ .../k3s-multi-master-service-proxy/loxilb.yml | 73 +++++++++ .../k3s-multi-master-service-proxy/master1.sh | 19 +++ .../k3s-multi-master-service-proxy/master2.sh | 13 ++ .../k3s-multi-master-service-proxy/master3.sh | 14 ++ .../rmconfig.sh | 8 + .../sctp-onearm-ds.yml | 39 +++++ .../tcp-onearm-ds.yml | 37 +++++ .../tcp-onearm.yml | 29 ++++ .../tcp_host_validation.sh | 29 ++++ .../udp-onearm-ds.yml | 38 +++++ .../udp-onearm.yml | 30 ++++ .../k3s-multi-master-service-proxy/udp_client | Bin 0 -> 17192 bytes .../validation.sh | 34 ++++ .../wait_ready.sh | 37 +++++ cicd/k3s-multi-master-service-proxy/worker.sh | 10 ++ 26 files changed, 856 insertions(+) create mode 100644 cicd/k3s-multi-master-service-proxy/EPconfig.txt create mode 100644 cicd/k3s-multi-master-service-proxy/README create mode 100644 cicd/k3s-multi-master-service-proxy/Vagrantfile create mode 100755 cicd/k3s-multi-master-service-proxy/config.sh create mode 100755 cicd/k3s-multi-master-service-proxy/host.sh create mode 100755 cicd/k3s-multi-master-service-proxy/host_validation.sh create mode 100644 cicd/k3s-multi-master-service-proxy/input create mode 100644 cicd/k3s-multi-master-service-proxy/iperf-onearm-ds.yml create mode 100644 cicd/k3s-multi-master-service-proxy/k3s.yaml create mode 100644 cicd/k3s-multi-master-service-proxy/kube-loxilb.yml create mode 100644 cicd/k3s-multi-master-service-proxy/lbconfig.txt create mode 100644 cicd/k3s-multi-master-service-proxy/loxilb.yml create mode 100755 cicd/k3s-multi-master-service-proxy/master1.sh create mode 100755 cicd/k3s-multi-master-service-proxy/master2.sh create mode 100755 cicd/k3s-multi-master-service-proxy/master3.sh create mode 100755 cicd/k3s-multi-master-service-proxy/rmconfig.sh create mode 100644 cicd/k3s-multi-master-service-proxy/sctp-onearm-ds.yml create mode 100644 cicd/k3s-multi-master-service-proxy/tcp-onearm-ds.yml create mode 100644 cicd/k3s-multi-master-service-proxy/tcp-onearm.yml create mode 100755 cicd/k3s-multi-master-service-proxy/tcp_host_validation.sh create mode 100644 cicd/k3s-multi-master-service-proxy/udp-onearm-ds.yml create mode 100644 cicd/k3s-multi-master-service-proxy/udp-onearm.yml create mode 100755 cicd/k3s-multi-master-service-proxy/udp_client create mode 100755 cicd/k3s-multi-master-service-proxy/validation.sh create mode 100755 cicd/k3s-multi-master-service-proxy/wait_ready.sh create mode 100644 cicd/k3s-multi-master-service-proxy/worker.sh diff --git a/cicd/k3s-multi-master-service-proxy/EPconfig.txt b/cicd/k3s-multi-master-service-proxy/EPconfig.txt new file mode 100644 index 000000000..6d35a4bb1 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/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":5, + "probePort":6443 + }, + { + "hostName":"192.168.80.11", + "name":"192.168.80.11_tcp_6443", + "inactiveReTries":2, + "probeType":"tcp", + "probeReq":"", + "probeResp":"", + "probeDuration":5, + "probePort":6443 + }, + { + "hostName":"192.168.80.12", + "name":"192.168.80.12_tcp_6443", + "inactiveReTries":2, + "probeType":"tcp", + "probeReq":"", + "probeResp":"", + "probeDuration":5, + "probePort":6443 + } + ] +} diff --git a/cicd/k3s-multi-master-service-proxy/README b/cicd/k3s-multi-master-service-proxy/README new file mode 100644 index 000000000..ff714ec1e --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/README @@ -0,0 +1,7 @@ +## Test Case Description + +This scenario will have K3s(2 Master Nodes & 2 Worker Nodes) cluster with flannel CNI. LoxiLB will be running in the in-cluster Active-Backup High Availabity mode(in both the master nodes) but without State Syncronization. Workloads will be spawned in all the cluster nodes. + +Client will be connected directly to the cluster with L2 network. Service CIDR will also be a Virtual IP from the K3s cluster network. + +In in-cluster scenarios, it is advised to create LB services in either one-arm or fullnat mode for ease of connectivity. diff --git a/cicd/k3s-multi-master-service-proxy/Vagrantfile b/cicd/k3s-multi-master-service-proxy/Vagrantfile new file mode 100644 index 000000000..edd2b4f73 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/Vagrantfile @@ -0,0 +1,85 @@ +# -*- 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.memory = "2048" + vbox.cpus = "2" + vbox.default_nic_type = "virtio" + vbox.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"] + vbox.customize ["modifyvm", :id, "--nicpromisc3", "allow-all"] + 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.memory = "8192" + vbox.cpus = "3" + vbox.default_nic_type = "virtio" + vbox.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"] + vbox.customize ["modifyvm", :id, "--nicpromisc3", "allow-all"] + 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.memory = "8192" + vbox.cpus = "3" + vbox.default_nic_type = "virtio" + vbox.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"] + vbox.customize ["modifyvm", :id, "--nicpromisc3", "allow-all"] + 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.memory = "8192" + vbox.cpus = "3" + vbox.default_nic_type = "virtio" + vbox.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"] + vbox.customize ["modifyvm", :id, "--nicpromisc3", "allow-all"] + 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.memory = "4096" + vbox.cpus = "3" + vbox.default_nic_type = "virtio" + vbox.customize ["modifyvm", :id, "--nicpromisc2", "allow-all"] + end + end + end +end diff --git a/cicd/k3s-multi-master-service-proxy/config.sh b/cicd/k3s-multi-master-service-proxy/config.sh new file mode 100755 index 000000000..208e5881e --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/config.sh @@ -0,0 +1,6 @@ +#!/bin/bash +vagrant global-status | grep -i virtualbox | cut -f 1 -d ' ' | xargs -L 1 vagrant destroy -f +vagrant up +#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' diff --git a/cicd/k3s-multi-master-service-proxy/host.sh b/cicd/k3s-multi-master-service-proxy/host.sh new file mode 100755 index 000000000..e1d8731ee --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/host.sh @@ -0,0 +1,3 @@ +sudo apt-get install -y lksctp-tools iperf iperf3 +sysctl net.core.netdev_max_backlog=10000 +echo "Host is up" diff --git a/cicd/k3s-multi-master-service-proxy/host_validation.sh b/cicd/k3s-multi-master-service-proxy/host_validation.sh new file mode 100755 index 000000000..56b4fb193 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/host_validation.sh @@ -0,0 +1,53 @@ +#!/bin/bash +extIP=$(cat /vagrant/extIP) + +mode="onearm" +tcp_port=55001 +udp_port=55002 +sctp_port=55003 + +code=0 +echo 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 [[ ${out} == *"Welcome to nginx"* ]]; then + echo -e "K3s-flannel-incluster-l2 TCP\t($mode)\t[OK]" +else + echo -e "K3s-flannel-incluster-l2 TCP\t($mode)\t[FAILED]" + code=1 +fi + +out=$(timeout 5 /vagrant/udp_client $extIP $udp_port) +if [[ ${out} == *"Client"* ]]; then + echo -e "K3s-flannel-incluster-l2 UDP\t($mode)\t[OK]" +else + echo -e "K3s-flannel-incluster-l2 UDP\t($mode)\t[FAILED]" + code=1 +fi + +sctp_darn -H 192.168.80.9 -h $extIP -p $sctp_port -s < /vagrant/input > output +#sleep 2 +exp="New connection, peer addresses +192.168.80.200:55003" + +res=`cat output | grep -A 1 "New connection, peer addresses"` +sudo rm -rf output +if [[ "$res" == "$exp" ]]; then + #echo $res + echo -e "K3s-flannel-incluster-l2 SCTP\t($mode)\t[OK]" +else + echo -e "K3s-flannel-incluster-l2 SCTP\t($mode)\t[FAILED]" + code=1 +fi + + +done +exit $code diff --git a/cicd/k3s-multi-master-service-proxy/input b/cicd/k3s-multi-master-service-proxy/input new file mode 100644 index 000000000..6fb66a5e2 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/input @@ -0,0 +1,6 @@ + + + + + + diff --git a/cicd/k3s-multi-master-service-proxy/iperf-onearm-ds.yml b/cicd/k3s-multi-master-service-proxy/iperf-onearm-ds.yml new file mode 100644 index 000000000..52ee91d65 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/iperf-onearm-ds.yml @@ -0,0 +1,47 @@ +apiVersion: v1 +kind: Service +metadata: + name: iperf-service + annotations: + loxilb.io/lbmode: "onearm" +spec: + externalTrafficPolicy: Local + loadBalancerClass: loxilb.io/loxilb + selector: + app: iperf-app + ports: + - port: 55001 + targetPort: 5001 + type: LoadBalancer +--- +apiVersion: apps/v1 +kind: DaemonSet +metadata: + name: iperf-daemonset + labels: + app: iperf-app +spec: + selector: + matchLabels: + app: iperf-app + template: + metadata: + labels: + app: iperf-app + spec: + dnsPolicy: ClusterFirstWithHostNet + #affinity: + # nodeAffinity: + # requiredDuringSchedulingIgnoredDuringExecution: + # nodeSelectorTerms: + # - matchExpressions: + # - key: "node-role.kubernetes.io/master" + # operator: DoesNotExist + # - key: "node-role.kubernetes.io/control-plane" + # operator: DoesNotExist + containers: + - name: iperf + image: eyes852/ubuntu-iperf-test:0.5 + command: [ "iperf", "-s"] + ports: + - containerPort: 5001 diff --git a/cicd/k3s-multi-master-service-proxy/k3s.yaml b/cicd/k3s-multi-master-service-proxy/k3s.yaml new file mode 100644 index 000000000..5efd01aa2 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/k3s.yaml @@ -0,0 +1,19 @@ +apiVersion: v1 +clusters: +- cluster: + certificate-authority-data: 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 + server: https://192.168.80.80:6443 + name: default +contexts: +- context: + cluster: default + user: default + name: default +current-context: default +kind: Config +preferences: {} +users: +- name: default + user: + client-certificate-data: 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 + client-key-data: LS0tLS1CRUdJTiBFQyBQUklWQVRFIEtFWS0tLS0tCk1IY0NBUUVFSUJNL1lLR0svWkkzc3IrUmZjNURQWkF3YzBtY3gwZFBlNFkwdmxpdGhMS3JvQW9HQ0NxR1NNNDkKQXdFSG9VUURRZ0FFSzRZb0ZVd2dFeHBTUjBZRklHTThYdmRYWjVuaThHR0szUG41cVNNUW1UcWxVaWFzTHM0MApKUmI1ejJQUitvZ290aE51dWRIdXA5czRCdmE5QTRWanF3PT0KLS0tLS1FTkQgRUMgUFJJVkFURSBLRVktLS0tLQo= diff --git a/cicd/k3s-multi-master-service-proxy/kube-loxilb.yml b/cicd/k3s-multi-master-service-proxy/kube-loxilb.yml new file mode 100644 index 000000000..0f1ed7a5c --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/kube-loxilb.yml @@ -0,0 +1,145 @@ +--- +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 + - 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 + - --externalCIDR=192.168.80.200/32 + #- --setBGP=64512 + - --setRoles=0.0.0.0 + #- --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"] diff --git a/cicd/k3s-multi-master-service-proxy/lbconfig.txt b/cicd/k3s-multi-master-service-proxy/lbconfig.txt new file mode 100644 index 000000000..f96094054 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/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":"" + } + ] + } + ] +} diff --git a/cicd/k3s-multi-master-service-proxy/loxilb.yml b/cicd/k3s-multi-master-service-proxy/loxilb.yml new file mode 100644 index 000000000..3045aedc6 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/loxilb.yml @@ -0,0 +1,73 @@ +apiVersion: apps/v1 +kind: DaemonSet +metadata: + name: loxilb-lb + namespace: kube-system +spec: + selector: + matchLabels: + app: loxilb-app + template: + metadata: + name: loxilb-lb + labels: + app: loxilb-app + spec: + hostNetwork: true + dnsPolicy: ClusterFirstWithHostNet + tolerations: + - 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 + volumes: + - name: hllb + hostPath: + path: /etc/loxilb + type: DirectoryOrCreate + containers: + - name: loxilb-app + image: "ghcr.io/loxilb-io/loxilb:latest" + imagePullPolicy: Always + command: + - /root/loxilb-io/loxilb/loxilb + args: + - --egr-hooks + #- --blacklist=cni[0-9a-z]|veth.|flannel. + - --ipvs-compat + - --blacklist=eth0 + volumeMounts: + - name: hllb + mountPath: /etc/loxilb + ports: + - containerPort: 11111 + - containerPort: 179 + securityContext: + privileged: true + capabilities: + add: + - SYS_ADMIN +--- +apiVersion: v1 +kind: Service +metadata: + name: loxilb-lb-service + namespace: kube-system +spec: + clusterIP: None + selector: + app: loxilb-app + ports: + - name: loxilb-app + port: 11111 + targetPort: 11111 + protocol: TCP diff --git a/cicd/k3s-multi-master-service-proxy/master1.sh b/cicd/k3s-multi-master-service-proxy/master1.sh new file mode 100755 index 000000000..05f6c214e --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/master1.sh @@ -0,0 +1,19 @@ +sudo su +# Bootstrap the VIP for master-plane LB +ip addr add 192.168.80.80/32 dev lo +apt-get update && apt-get install ipvsadm ipset -y +export MASTER_IP=$(ip a |grep global | grep -v '10.0.2.15' | grep -v '192.168.90' | grep '192.168.80' | awk '{print $2}' | cut -f1 -d '/') +curl -fL https://get.k3s.io | sh -s - server --node-ip=192.168.80.10 --disable servicelb --disable traefik --cluster-init --node-external-ip=192.168.80.80 --disable-cloud-controller --flannel-iface=eth1 --kube-proxy-arg proxy-mode=ipvs +kubectl taint nodes master1 node.cloudprovider.kubernetes.io/uninitialized:NoSchedule- +curl -sfL https://github.com/loxilb-io/loxilb-ebpf/raw/main/kprobe/install.sh | sh - +sleep 60 +echo $MASTER_IP > /vagrant/master-ip +cp /var/lib/rancher/k3s/server/node-token /vagrant/node-token +cp /etc/rancher/k3s/k3s.yaml /vagrant/k3s.yaml +sed -i -e "s/127.0.0.1/192.168.80.80/g" /vagrant/k3s.yaml +sudo mkdir -p /etc/loxilb +sudo cp /vagrant/lbconfig.txt /etc/loxilb/ +sudo cp /vagrant/EPconfig.txt /etc/loxilb/ +sudo kubectl apply -f /vagrant/loxilb.yml +/vagrant/wait_ready.sh +sysctl net.core.netdev_max_backlog=10000 diff --git a/cicd/k3s-multi-master-service-proxy/master2.sh b/cicd/k3s-multi-master-service-proxy/master2.sh new file mode 100755 index 000000000..066a2efe2 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/master2.sh @@ -0,0 +1,13 @@ +sudo su +apt-get update && apt-get install ipvsadm ipset -y +export WORKER_ADDR=$(ip a |grep global | grep -v '10.0.2.15' | grep '192.168.80' | awk '{print $2}' | cut -f1 -d '/') +export MASTER_ADDR=$(cat /vagrant/master-ip) +export NODE_TOKEN=$(cat /vagrant/node-token) +sudo mkdir -p /etc/loxilb +sudo cp /vagrant/lbconfig.txt /etc/loxilb/ +sudo cp /vagrant/EPconfig.txt /etc/loxilb/ +curl -sfL https://github.com/loxilb-io/loxilb-ebpf/raw/main/kprobe/install.sh | sh - +curl -fL https://get.k3s.io | K3S_TOKEN=${NODE_TOKEN} sh -s - server --server https://192.168.80.10:6443 --disable traefik --disable servicelb --node-ip=192.168.80.11 --node-external-ip=192.168.80.80 --disable-cloud-controller -t ${NODE_TOKEN} --flannel-iface=eth1 --kube-proxy-arg proxy-mode=ipvs +kubectl taint nodes master2 node.cloudprovider.kubernetes.io/uninitialized:NoSchedule- +/vagrant/wait_ready.sh +sysctl net.core.netdev_max_backlog=10000 diff --git a/cicd/k3s-multi-master-service-proxy/master3.sh b/cicd/k3s-multi-master-service-proxy/master3.sh new file mode 100755 index 000000000..9d1218a6c --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/master3.sh @@ -0,0 +1,14 @@ +sudo su +apt-get update && apt-get install ipvsadm ipset -y +export WORKER_ADDR=$(ip a |grep global | grep -v '10.0.2.15' | grep '192.168.80' | awk '{print $2}' | cut -f1 -d '/') +export MASTER_ADDR=$(cat /vagrant/master-ip) +export NODE_TOKEN=$(cat /vagrant/node-token) +sudo mkdir -p /etc/loxilb +sudo cp /vagrant/lbconfig.txt /etc/loxilb/ +sudo cp /vagrant/EPconfig.txt /etc/loxilb/ +curl -sfL https://github.com/loxilb-io/loxilb-ebpf/raw/main/kprobe/install.sh | sh - +curl -fL https://get.k3s.io | K3S_TOKEN=${NODE_TOKEN} sh -s - server --server https://192.168.80.10:6443 --disable traefik --disable servicelb --node-ip=192.168.80.12 --node-external-ip=192.168.80.80 --disable-cloud-controller -t ${NODE_TOKEN} --flannel-iface=eth1 --kube-proxy-arg proxy-mode=ipvs +kubectl taint nodes master2 node.cloudprovider.kubernetes.io/uninitialized:NoSchedule- +sudo kubectl apply -f /vagrant/kube-loxilb.yml +/vagrant/wait_ready.sh +sysctl net.core.netdev_max_backlog=10000 diff --git a/cicd/k3s-multi-master-service-proxy/rmconfig.sh b/cicd/k3s-multi-master-service-proxy/rmconfig.sh new file mode 100755 index 000000000..1f85eb636 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/rmconfig.sh @@ -0,0 +1,8 @@ +#!/bin/bash +sudo ip route del 123.123.123.1 via 192.168.90.10 || true +vagrant destroy -f worker1 +vagrant destroy -f worker2 +vagrant destroy -f master1 +vagrant destroy -f master2 +vagrant destroy -f master3 +vagrant destroy -f host diff --git a/cicd/k3s-multi-master-service-proxy/sctp-onearm-ds.yml b/cicd/k3s-multi-master-service-proxy/sctp-onearm-ds.yml new file mode 100644 index 000000000..793bab3ef --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/sctp-onearm-ds.yml @@ -0,0 +1,39 @@ +apiVersion: v1 +kind: Service +metadata: + name: sctp-onearm-svc + annotations: + loxilb.io/lbmode: "onearm" + loxilb.io/liveness: "yes" +spec: + externalTrafficPolicy: Local + loadBalancerClass: loxilb.io/loxilb + selector: + what: sctp-onearm-test + ports: + - port: 55003 + protocol: SCTP + targetPort: 9999 + type: LoadBalancer +--- +apiVersion: apps/v1 +kind: DaemonSet +metadata: + name: sctp-onearm-ds + labels: + what: sctp-onearm-test +spec: + selector: + matchLabels: + what: sctp-onearm-test + template: + metadata: + labels: + what: sctp-onearm-test + spec: + containers: + - name: sctp-onearm-pod + image: loxilbio/sctp-darn:latest + command: ["sctp_darn","-H", "0.0.0.0","-P", "9999", "-l"] + ports: + - containerPort: 9999 diff --git a/cicd/k3s-multi-master-service-proxy/tcp-onearm-ds.yml b/cicd/k3s-multi-master-service-proxy/tcp-onearm-ds.yml new file mode 100644 index 000000000..b1ea660d7 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/tcp-onearm-ds.yml @@ -0,0 +1,37 @@ +apiVersion: v1 +kind: Service +metadata: + name: tcp-onearm-svc + annotations: + loxilb.io/lbmode: "onearm" + loxilb.io/liveness: "yes" +spec: + externalTrafficPolicy: Local + loadBalancerClass: loxilb.io/loxilb + selector: + what: tcp-onearm-test + ports: + - port: 55001 + targetPort: 80 + type: LoadBalancer +--- +apiVersion: apps/v1 +kind: DaemonSet +metadata: + name: tcp-onearm-ds + labels: + what: tcp-onearm-test +spec: + selector: + matchLabels: + what: tcp-onearm-test + template: + metadata: + labels: + what: tcp-onearm-test + spec: + containers: + - name: tcp-onearm-pod + image: ghcr.io/loxilb-io/nginx:stable + ports: + - containerPort: 80 diff --git a/cicd/k3s-multi-master-service-proxy/tcp-onearm.yml b/cicd/k3s-multi-master-service-proxy/tcp-onearm.yml new file mode 100644 index 000000000..73f305ce7 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/tcp-onearm.yml @@ -0,0 +1,29 @@ +apiVersion: v1 +kind: Service +metadata: + name: tcp-lb-onearm + annotations: + loxilb.io/liveness: "yes" + loxilb.io/lbmode: "onearm" +spec: + externalTrafficPolicy: Local + loadBalancerClass: loxilb.io/loxilb + selector: + what: tcp-onearm-pod + ports: + - port: 57002 + targetPort: 80 + type: LoadBalancer +--- +apiVersion: v1 +kind: Pod +metadata: + name: tcp-onearm-pod + labels: + what: tcp-onearm-pod +spec: + containers: + - name: tcp-onearm-pod + image: ghcr.io/loxilb-io/nginx:stable + ports: + - containerPort: 80 diff --git a/cicd/k3s-multi-master-service-proxy/tcp_host_validation.sh b/cicd/k3s-multi-master-service-proxy/tcp_host_validation.sh new file mode 100755 index 000000000..9552af36a --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/tcp_host_validation.sh @@ -0,0 +1,29 @@ +#!/bin/bash +extIP="192.168.80.200" + +mode="onearm" +tcp_port=55001 +udp_port=55002 +sctp_port=55003 + +code=0 +echo 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 [[ ${out} == *"Welcome to nginx"* ]]; then + echo -e "K3s-flannel-incluster-l2 TCP\t($mode)\t[OK]" +else + echo -e "K3s-flannel-incluster-l2 TCP\t($mode)\t[FAILED]" + code=1 +fi + +done +exit $code diff --git a/cicd/k3s-multi-master-service-proxy/udp-onearm-ds.yml b/cicd/k3s-multi-master-service-proxy/udp-onearm-ds.yml new file mode 100644 index 000000000..01bcf8e70 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/udp-onearm-ds.yml @@ -0,0 +1,38 @@ +apiVersion: v1 +kind: Service +metadata: + name: udp-onearm-svc + annotations: + loxilb.io/liveness: "yes" + loxilb.io/lbmode: "onearm" +spec: + externalTrafficPolicy: Local + loadBalancerClass: loxilb.io/loxilb + selector: + what: udp-onearm-test + ports: + - port: 55002 + protocol: UDP + targetPort: 33333 + type: LoadBalancer +--- +apiVersion: apps/v1 +kind: DaemonSet +metadata: + name: udp-onearm-ds + labels: + what: udp-onearm-test +spec: + selector: + matchLabels: + what: udp-onearm-test + template: + metadata: + labels: + what: udp-onearm-test + spec: + containers: + - name: udp-onearm-test + image: ghcr.io/loxilb-io/udp-echo:latest + ports: + - containerPort: 33333 diff --git a/cicd/k3s-multi-master-service-proxy/udp-onearm.yml b/cicd/k3s-multi-master-service-proxy/udp-onearm.yml new file mode 100644 index 000000000..dd33e2b16 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/udp-onearm.yml @@ -0,0 +1,30 @@ +apiVersion: v1 +kind: Service +metadata: + name: udp-lb-onearm + annotations: + loxilb.io/liveness: "yes" + 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extIP + +echo "******************************************************************************" +echo -e "\nSVC List" +echo "******************************************************************************" +vagrant ssh master1 -c 'sudo kubectl get svc' 2> /dev/null +echo "******************************************************************************" +echo -e "\nCluster Info" +echo "******************************************************************************" +echo "******************************************************************************" +echo -e "\nPods" +echo "******************************************************************************" +vagrant ssh master1 -c 'sudo kubectl get pods -A' 2> /dev/null +echo "******************************************************************************" +echo -e "\nNodes" +echo "******************************************************************************" +vagrant ssh master1 -c 'sudo kubectl get nodes' 2> /dev/null + +vagrant ssh host -c 'sudo /vagrant/host_validation.sh' 2> /dev/null +sudo rm extIP diff --git a/cicd/k3s-multi-master-service-proxy/wait_ready.sh b/cicd/k3s-multi-master-service-proxy/wait_ready.sh new file mode 100755 index 000000000..5ff06e373 --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/wait_ready.sh @@ -0,0 +1,37 @@ +#!/bin/bash + +function wait_cluster_ready { + Res=$(sudo kubectl get pods -A | + while IFS= read -r line; do + if [[ "$line" != *"Running"* && "$line" != *"READY"* ]]; then + echo "not ready" + return + fi + done) + if [[ $Res == *"not ready"* ]]; then + return 1 + fi + return 0 +} + +function wait_cluster_ready_full { + i=1 + nr=0 + for ((;;)) do + wait_cluster_ready + nr=$? + if [[ $nr == 0 ]]; then + echo "Cluster is ready" + break + fi + i=$(( $i + 1 )) + if [[ $i -ge 40 ]]; then + echo "Cluster is not ready.Giving up" + exit 1 + fi + echo "Cluster is not ready...." + sleep 10 + done +} + +wait_cluster_ready_full diff --git a/cicd/k3s-multi-master-service-proxy/worker.sh b/cicd/k3s-multi-master-service-proxy/worker.sh new file mode 100644 index 000000000..3da374b1f --- /dev/null +++ b/cicd/k3s-multi-master-service-proxy/worker.sh @@ -0,0 +1,10 @@ +sudo su +apt-get update && apt-get install ipvsadm ipset -y +export WORKER_ADDR=$(ip a |grep global | grep -v '10.0.2.15' | grep '192.168.80' | awk '{print $2}' | cut -f1 -d '/') +export MASTER_ADDR=$(cat /vagrant/master-ip) +export NODE_TOKEN=$(cat /vagrant/node-token) +mkdir -p /etc/rancher/k3s +cp -f /vagrant/k3s.yaml /etc/rancher/k3s/k3s.yaml +curl -sfL https://get.k3s.io | K3S_TOKEN=${NODE_TOKEN} sh -s - agent --server https://192.168.80.80:6443 --node-ip=${WORKER_ADDR} --node-external-ip=${WORKER_ADDR} -t ${NODE_TOKEN} --flannel-iface=eth1 --kube-proxy-arg proxy-mode=ipvs --disable-apiserver-lb +/vagrant/wait_ready.sh +sysctl net.core.netdev_max_backlog=10000