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main.bash
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main.bash
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#!/bin/bash
set -o errexit
set -o nounset
set -o pipefail
# PRESEED CONFIG: /machineConfigs/servers/preseed.cfg
# ANSIBLE CONFIG: /ansible/k3s.yaml
BLUE='\033[1;34m'
NC='\033[0m'
# https://www.how2shout.com/linux/how-to-install-and-configure-kvm-on-debian-11-bullseye-linux/
export LIBVIRT_DEFAULT_URI=qemu:///system
export SWAP_PATH=${SWAP_PATH:-"/home/swapfile.img"}
# HomeLab Functions
function retry {
local retries=$1
shift
local count=0
until "$@"; do
exit=$?
wait=$((10 + 5 ** count))
count=$((count + 1))
if [ $count -lt "$retries" ]; then
echo "Retry $count/$retries exited $exit, retrying in $wait seconds..."
sleep $wait
else
echo "Retry $count/$retries exited $exit, no more retries left."
return $exit
fi
done
return 0
}
ansible() {
ansible-playbook -i ansible/inventory --ask-become-pass ansible/servers.yaml --ask-pass \
-e 'ansible_python_interpreter=/usr/bin/python3'
}
test_overlays() {
if [ -n "$VAULT_ADDR" ] && [ -n "$VAULT_TOKEN" ]; then
DIR="/tmp/yaml"
rm -rf /tmp/yaml
mkdir -p /tmp/yaml
echo "Build Yaml's"
for OVERLAY in ./kubernetes/*/overlays/okd; do # *
echo "${OVERLAY}"
OUTPUT=$(echo "${OVERLAY}" | sed 's/\.//g' | sed 's/\//_/g')
kubectl kustomize "${OVERLAY}" | argocd-vault-plugin generate - >"${DIR}/${OUTPUT}.yaml"
done
for OVERLAY in ./kubernetes/*/overlays/microshift; do # *
echo "${OVERLAY}"
OUTPUT=$(echo "${OVERLAY}" | sed 's/\.//g' | sed 's/\//_/g')
kubectl kustomize "${OVERLAY}" | argocd-vault-plugin generate - >"${DIR}/${OUTPUT}.yaml"
done
for OVERLAY in ./okd/*/overlays/*; do
echo "${OVERLAY}"
OUTPUT=$(echo "${OVERLAY}" | sed 's/\.//g' | sed 's/\//_/g')
kubectl kustomize "${OVERLAY}" | argocd-vault-plugin generate - >"${DIR}/${OUTPUT}.yaml"
done
for OVERLAY in ./tekton/overlays/*; do
echo "${OVERLAY}"
OUTPUT=$(echo "${OVERLAY}" | sed 's/\.//g' | sed 's/\//_/g')
kubectl kustomize "${OVERLAY}" | argocd-vault-plugin generate - >"${DIR}/${OUTPUT}.yaml"
done
echo "Run KubeConform on Yaml's"
kubeconform -n 16 -verbose --summary -ignore-missing-schemas \
-schema-location="../kubernetes-json-schema/master-standalone-strict/{{.ResourceKind}}{{.KindSuffix}}.json" \
-output text "${DIR}" | grep -v "is valid"
else
echo "Vault Variables Missing"
exit 1
fi
}
test_overlays_k3s() {
if [ -n "$VAULT_ADDR" ] && [ -n "$VAULT_TOKEN" ]; then
DIR="/tmp/yaml"
rm -rf /tmp/yaml
mkdir -p /tmp/yaml
echo "Build Yaml's"
for OVERLAY in ./kubernetes/*/overlays/k3s; do # *
echo "${OVERLAY}"
OUTPUT=$(echo "${OVERLAY}" | sed 's/\.//g' | sed 's/\//_/g')
kubectl kustomize "${OVERLAY}" | argocd-vault-plugin generate - >"${DIR}/${OUTPUT}.yaml"
done
echo "Run KubeConform on Yaml's"
kubeconform -n 16 -verbose --summary -ignore-missing-schemas \
-schema-location="../kubernetes-json-schema/master-standalone-strict/{{.ResourceKind}}{{.KindSuffix}}.json" \
-output text "${DIR}" | grep -v "is valid"
else
echo "Vault Variables Missing"
exit 1
fi
}
stateful_workload_stop() {
kubectl patch cronjobs -n photoprism photoprism-cron -p '{"spec" : {"suspend" : true }}'
kubectl patch cronjobs -n nextcloud nextcloud-preview -p '{"spec" : {"suspend" : true }}'
kubectl patch cronjobs -n nextcloud nextcloud-rsync -p '{"spec" : {"suspend" : true }}'
kubectl patch cronjobs -n nextcloud nextcloud-cron -p '{"spec" : {"suspend" : true }}'
kubectl patch cronjobs -n mariadb-galera mysqldump-cron -p '{"spec" : {"suspend" : true }}'
kubectl scale --replicas=0 -n openshift-monitoring deployment/cluster-monitoring-operator
kubectl scale --replicas=0 -n openshift-monitoring deployment/prometheus-operator
kubectl scale --replicas=0 -n openshift-monitoring statefulset/alertmanager-main
kubectl scale --replicas=0 -n openshift-monitoring statefulset/prometheus-k8s
kubectl scale --replicas=0 -n openshift-user-workload-monitoring deployment/prometheus-operator
kubectl scale --replicas=0 -n openshift-user-workload-monitoring statefulset/alertmanager-user-workload
kubectl scale --replicas=0 -n openshift-user-workload-monitoring statefulset/prometheus-user-workload
kubectl scale --replicas=0 -n openshift-user-workload-monitoring statefulset/thanos-ruler-user-workload
kubectl scale --replicas=0 -n bitwarden statefulset/bitwarden
kubectl scale --replicas=0 -n gitea deployment/gitea
kubectl scale --replicas=0 -n grafana deployment/grafana
kubectl scale --replicas=0 -n heimdall statefulset/heimdall
kubectl scale --replicas=0 -n homeassistant statefulset/homeassistant
kubectl scale --replicas=0 -n influxdb statefulset/influxdb
kubectl scale --replicas=0 -n loki statefulset/loki
kubectl scale --replicas=0 -n mariadb-galera statefulset/mariadb-galera
kubectl scale --replicas=0 -n nextcloud deployment/nextcloud
kubectl scale --replicas=0 -n photoprism statefulset/photoprism
kubectl scale --replicas=0 -n prometheus statefulset/prometheus
kubectl scale --replicas=0 -n prometheus statefulset/thanos-store-gateway
kubectl scale --replicas=0 -n uptime-kuma statefulset/uptime-kuma
kubectl scale --replicas=0 -n vault statefulset/vault
#kubectl scale --replicas=0 -n minio-operator deployment/minio-operator
kubectl scale --replicas=0 -n quay deployment/quay-operator-tng
kubectl scale --replicas=0 -n quay deployment/quay-quay-app
kubectl scale --replicas=0 -n quay deployment/quay-clair-app
kubectl scale --replicas=0 -n quay deployment/quay-quay-mirror
kubectl scale --replicas=0 -n cockroach-operator-system deployments/cockroach-operator-manager
kubectl scale --replicas=0 -n zitadel statefulset/crdb
kubectl scale --replicas=0 -n zitadel deployment/zitadel
kubectl scale --replicas=0 -n mongodb-operator deployments/mongodb-kubernetes-operator
kubectl scale --replicas=0 -n unifi-network-application statefulset/unifi-network-application
kubectl scale --replicas=0 -n unifi-network-application statefulset/mongo-unifi-network-application
kubectl patch postgresCluster clair -n quay --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster gitea -n gitea --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster grafana -n postgres --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster homeassistant -n homeassistant --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster nextcloud -n nextcloud --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster photoprism -n postgres --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster stackrox -n stackrox --type=merge -p '{"spec":{"shutdown":true}}'
kubectl patch postgresCluster quay -n quay --type=merge -p '{"spec":{"shutdown":true}}'
kubectl scale --replicas=0 -n argocd deployment/argocd-operator-controller-manager
kubectl scale --replicas=0 -n argocd statefulset/argocd-application-controller
kubectl scale --replicas=0 -n argocd deployment/argocd-notifications-controller
kubectl scale --replicas=0 -n argocd deployment/argocd-repo-server
kubectl scale --replicas=0 -n argocd deployment/argocd-dex-server
kubectl scale --replicas=0 -n argocd deployment/argocd-server
kubectl scale --replicas=0 -n argocd-apps statefulset/argocd-apps-application-controller
kubectl scale --replicas=0 -n argocd-apps deployment/argocd-apps-dex-server
kubectl scale --replicas=0 -n argocd-apps deployment/argocd-apps-repo-server
kubectl scale --replicas=0 -n argocd-apps deployment/argocd-apps-server
kubectl scale --replicas=0 -n stackrox deployment/central
kubectl scale --replicas=0 -n stackrox deployment/scanner-db
kubectl scale --replicas=0 -n dragonfly-operator-system deployment/dragonfly-operator-controller-manager
kubectl scale --replicas=0 -n nextcloud statefulset/nextcloud-dragonfly
kubectl scale --replicas=0 -n gitea statefulset/gitea-dragonfly
kubectl scale --replicas=0 -n quay statefulset/quay-dragonfly
kubectl scale --replicas=0 -n loki-operator deployment/loki-operator-controller-manager
kubectl scale --replicas=0 -n network-observability-loki statefulset/netobserv-compactor
kubectl scale --replicas=0 -n network-observability-loki statefulset/netobserv-index-gateway
kubectl scale --replicas=0 -n network-observability-loki statefulset/netobserv-ingester
kubectl scale --replicas=0 -n network-observability-loki deployment/netobserv-distributor
kubectl scale --replicas=0 -n network-observability-loki deployment/netobserv-gateway
kubectl scale --replicas=0 -n network-observability-loki deployment/netobserv-querier
kubectl scale --replicas=0 -n network-observability-loki deployment/netobserv-query-frontend
}
stateful_workload_start() {
kubectl patch cronjobs -n photoprism photoprism-cron -p '{"spec" : {"suspend" : false }}'
kubectl patch cronjobs -n nextcloud nextcloud-preview -p '{"spec" : {"suspend" : false }}'
kubectl patch cronjobs -n nextcloud nextcloud-rsync -p '{"spec" : {"suspend" : false }}'
kubectl patch cronjobs -n nextcloud nextcloud-cron -p '{"spec" : {"suspend" : false }}'
kubectl patch cronjobs -n mariadb-galera mysqldump-cron -p '{"spec" : {"suspend" : false }}'
kubectl scale --replicas=1 -n openshift-monitoring deployment/cluster-monitoring-operator
kubectl scale --replicas=1 -n dragonfly-operator-system deployment/dragonfly-operator-controller-manager
kubectl scale --replicas=2 -n nextcloud statefulset/nextcloud-dragonfly
kubectl scale --replicas=2 -n gitea statefulset/gitea-dragonfly
kubectl scale --replicas=2 -n quay statefulset/quay-dragonfly
kubectl scale --replicas=1 -n cockroach-operator-system deployments/cockroach-operator-manager
kubectl scale --replicas=3 -n zitadel statefulset/crdb
kubectl scale --replicas=2 -n zitadel deployment/zitadel
kubectl scale --replicas=1 -n mongodb-operator deployments/mongodb-kubernetes-operator
kubectl scale --replicas=3 -n unifi-network-application statefulset/mongo-unifi-network-application
kubectl scale --replicas=1 -n unifi-network-application statefulset/unifi-network-application
kubectl scale --replicas=1 -n bitwarden statefulset/bitwarden
kubectl scale --replicas=2 -n gitea deployment/gitea
kubectl scale --replicas=2 -n grafana deployment/grafana
kubectl scale --replicas=1 -n heimdall statefulset/heimdall
kubectl scale --replicas=1 -n homeassistant statefulset/homeassistant
kubectl scale --replicas=1 -n influxdb statefulset/influxdb
kubectl scale --replicas=1 -n loki statefulset/loki
kubectl scale --replicas=3 -n mariadb-galera statefulset/mariadb-galera
kubectl scale --replicas=2 -n nextcloud deployment/nextcloud
kubectl scale --replicas=1 -n photoprism statefulset/photoprism
kubectl scale --replicas=1 -n prometheus statefulset/prometheus
kubectl scale --replicas=1 -n prometheus statefulset/thanos-store-gateway
kubectl scale --replicas=1 -n uptime-kuma statefulset/uptime-kuma
kubectl scale --replicas=1 -n vault statefulset/vault
#kubectl scale --replicas=1 -n minio-operator deployment/minio-operator
kubectl scale --replicas=1 -n quay deployment/quay-operator-tng
kubectl scale --replicas=2 -n quay deployment/quay-quay-app
kubectl scale --replicas=2 -n quay deployment/quay-clair-app
kubectl scale --replicas=2 -n quay deployment/quay-quay-mirror
kubectl scale --replicas=1 -n postgres deployment/pgo
kubectl patch postgresCluster clair -n quay --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster quay -n quay --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster gitea -n gitea --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster grafana -n postgres --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster homeassistant -n homeassistant --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster nextcloud -n nextcloud --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster photoprism -n postgres --type=merge -p '{"spec":{"shutdown":false}}'
kubectl patch postgresCluster stackrox -n stackrox --type=merge -p '{"spec":{"shutdown":false}}'
kubectl scale --replicas=1 -n argocd deployment/argocd-operator-controller-manager
kubectl scale --replicas=1 -n argocd statefulset/argocd-application-controller
kubectl scale --replicas=1 -n argocd statefulset/argocd-application-controller
kubectl scale --replicas=1 -n argocd deployment/argocd-repo-server
kubectl scale --replicas=1 -n argocd deployment/argocd-dex-server
kubectl scale --replicas=1 -n argocd deployment/argocd-server
kubectl scale --replicas=1 -n argocd-apps statefulset/argocd-apps-application-controller
kubectl scale --replicas=1 -n argocd-apps deployment/argocd-apps-dex-server
kubectl scale --replicas=1 -n argocd-apps deployment/argocd-apps-repo-server
kubectl scale --replicas=1 -n argocd-apps deployment/argocd-apps-server
kubectl scale --replicas=1 -n stackrox deployment/central
kubectl scale --replicas=1 -n stackrox deployment/scanner-db
kubectl scale --replicas=1 -n loki-operator deployment/loki-operator-controller-manager
echo -e "\nkubectl exec -it vault-0 -n vault -- vault operator unseal --tls-skip-verify"
}
kvm-infra() {
ssh 10.0.0.110
virt-install \
--noautoconsole \
--graphics vnc \
--name=k3s-server-2 \
--os-variant=debian10 \
--vcpus sockets=1,cores=1,threads=2 \
--ram=1792 \
--disk "/mnt/storage/vm/k3s-server-2".img,,format=raw,size=25 \
--network bridge=br0,mac="10:00:00:00:01:02" \
--location=http://ftp.us.debian.org/debian/dists/stable/main/installer-amd64/ \
--extra-args="\
auto=true priority=critical vga=normal hostname=k3s-server-2 \
url=http://10.0.0.5:7071/preseed.cfg"
virt-install \
--noautoconsole \
--graphics vnc \
--name=k3s-worker-1 \
--os-variant=debian10 \
--vcpus sockets=1,cores=2,threads=2 \
--ram=10240 \
--disk "/mnt/storage/vm/k3s-worker-1".img,,format=raw,size=125 \
--network bridge=br0,mac="10:00:00:00:01:11" \
--location=http://ftp.us.debian.org/debian/dists/stable/main/installer-amd64/ \
--extra-args="\
auto=true priority=critical vga=normal hostname=k3s-worker-1 \
url=http://10.0.0.5:7071/preseed.cfg"
}
kvm() {
ssh 10.0.0.3
export LIBVIRT_DEFAULT_URI=qemu:///system
virt-install \
--noautoconsole \
--graphics vnc \
--name=k3s-server-3 \
--os-variant=debian10 \
--vcpus sockets=1,cores=1,threads=2 \
--ram=1792 \
--disk "/mnt/storage/vm/k3s-server-3".img,,format=raw,size=25 \
--network bridge=br0,mac="10:00:00:00:01:03" \
--location=http://ftp.us.debian.org/debian/dists/stable/main/installer-amd64/ \
--extra-args="\
auto=true priority=critical vga=normal hostname=k3s-server-3 \
url=http://10.0.0.5:7071/preseed.cfg"
virt-install \
--noautoconsole \
--graphics vnc \
--name=k3s-worker-2 \
--os-variant=debian10 \
--vcpus sockets=1,cores=2,threads=2 \
--ram=4352 \
--disk "/mnt/storage/vm/k3s-worker-2".img,,format=raw,size=125 \
--network bridge=br0,mac="10:00:00:00:01:12" \
--location=http://ftp.us.debian.org/debian/dists/stable/main/installer-amd64/ \
--extra-args="\
auto=true priority=critical vga=normal hostname=k3s-worker-2 \
url=http://10.0.0.5:7071/preseed.cfg"
}
label_nodes() {
# Taint
kubectl taint node k3s-server-1 node-role.kubernetes.io/master:NoSchedule --overwrite
kubectl taint node k3s-server-2 node-role.kubernetes.io/master:NoSchedule --overwrite
kubectl taint node k3s-server-3 node-role.kubernetes.io/master:NoSchedule --overwrite
kubectl taint node k3s-server-2 node-role.kubernetes.io/control-plane:NoSchedule --overwrite
kubectl taint node k3s-server-3 node-role.kubernetes.io/control-plane:NoSchedule --overwrite
# Role Label
kubectl label node k3s-worker-1 node-role.kubernetes.io/infra=true --overwrite
kubectl label node k3s-worker-1 node-role.kubernetes.io/worker=true --overwrite
kubectl label node k3s-worker-2 node-role.kubernetes.io/worker=true --overwrite
# Zone Labels
kubectl label node k3s-server-1 topology.kubernetes.io/zone=bare-metal --overwrite
kubectl label node k3s-server-2 topology.kubernetes.io/zone=infra-kvm --overwrite
kubectl label node k3s-server-3 topology.kubernetes.io/zone=kvm --overwrite
kubectl label node k3s-worker-1 topology.kubernetes.io/zone=infra-kvm --overwrite
kubectl label node k3s-worker-2 topology.kubernetes.io/zone=kvm --overwrite
# Longhorn Label
kubectl label node k3s-server-1 node.longhorn.io/create-default-disk=true --overwrite
kubectl label node k3s-worker-1 node.longhorn.io/create-default-disk=true --overwrite
kubectl label node k3s-worker-2 node.longhorn.io/create-default-disk=true --overwrite
# #Drain DaemonSets Temporarily off a Node
# kubectl taint node k3s-server- node-role.kubernetes.io/control-plane:NoExecute
# kubectl taint node k3s-server- node-role.kubernetes.io/control-plane:NoExecute-
}
k3s_setup() {
# Configure PFsense / HAProxy / DHCP / DNS
# Servers
ansible-playbook -i ansible/inventory --ask-become-pass ansible/servers.yaml --ask-pass
# Reboot All Kubernetes Nodes && For KVM Nodes Update DHCP Server With New Mac Address
# Install VMs
bash kvm_k3s.bash kvm-infra
bash kvm_k3s.bash kvm
bash kvm_k3s.bash ansible
# Reboot VMs
# Install K3s
# First Time Setup
export K3S_TOKEN=""
export RESERVED="--kubelet-arg system-reserved=cpu=250m,memory=500Mi --kubelet-arg kube-reserved=cpu=250m,memory=500Mi"
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --cluster-init --tls-san 10.0.0.100 --tls-san k3s.<URL>.com ${RESERVED}" \
INSTALL_K3S_CHANNEL=v1.23 sh -
# Servers
export K3S_TOKEN=""
export RESERVED="--kubelet-arg system-reserved=cpu=250m,memory=500Mi --kubelet-arg kube-reserved=cpu=250m,memory=500Mi"
curl -sfL https://get.k3s.io |
INSTALL_K3S_EXEC="server --server https://10.0.0.100:6443 --disable traefik ${RESERVED}" \
K3S_URL=https://10.0.0.100:6443 INSTALL_K3S_CHANNEL=v1.23 sh -
# Agents/Workers
export K3S_TOKEN=""
export RESERVED="--kubelet-arg system-reserved=cpu=250m,memory=250Mi --kubelet-arg kube-reserved=cpu=250m,memory=250Mi"
curl -sfL https://get.k3s.io |
INSTALL_K3S_EXEC="${RESERVED}" \
K3S_URL=https://10.0.0.100:6443 INSTALL_K3S_CHANNEL=v1.23 sh -
# Label Nodes
bash kvm_k3s label_nodes
}
k3s_image_cleanup() {
export IP_LIST="5 102 103 111 112"
for IP in ${IP_LIST}; do
ssh -t arthur@10.0.0."${IP}" "sudo k3s crictl rmi --prune"
done
}
# Sandbox Functions
# SANDBOX HAPROXY: /machineConfigs/sandbox/var/etc/haproxy
# Setup DHCP Network
# virsh net-edit default
# <host mac='10:10:00:00:00:03' ip='10.10.10.3'/>
# <host mac='10:10:00:00:00:04' ip='10.10.10.4'/>
# <host mac='10:10:00:00:00:05' ip='10.10.10.5'/>
# <host mac='10:10:00:00:00:06' ip='10.10.10.6'/>
# <host mac='10:10:00:00:00:07' ip='10.10.10.7'/>
# <host mac='10:10:00:00:00:08' ip='10.10.10.8'/>
# <host mac='10:10:00:00:00:09' ip='10.10.10.9'/>
# virsh net-destroy default && virsh net-start default
export START_IP=11
export PASSWORD=${PASSWORD:-}
stop_cluster() {
echo -e "\n${BLUE}Stopping Cluster:${NC}"
for NODE in ${NODES}; do
if virsh destroy "${PREFIX}${NODE}"; then
echo "Shutting Down:${PREFIX}${NODE}"
fi
done
}
start_cluster() {
echo -e "\n${BLUE}Starting Cluster:${NC}"
for NODE in ${NODES}; do
virsh start "${PREFIX}${NODE}"
echo "Started ${PREFIX}${NODE}"
done
}
reboot_cluster() {
echo -e "\n${BLUE}Rebooting Cluster:${NC}"
for NODE in ${NODES}; do
virsh reboot "${PREFIX}${NODE}"
echo "Started ${PREFIX}${NODE}"
done
IP=${START_IP}
for NODE in ${NODES}; do
finished="0"
while [ "$finished" = "0" ]; do
sleep 1
if nc -z 10.10.10.${IP} 22; then
echo "${PREFIX}${NODE} is up."
finished=1
fi
done
((IP++))
done
}
delete_cluster() {
stop_cluster
echo -e "\n${BLUE}Deleting Cluster:${NC}"
for NODE in ${NODES}; do
echo "${NODE}"
if virsh undefine "${PREFIX}${NODE}" --remove-all-storage; then
echo "Deleting: ${PREFIX}${NODE}"
fi
done
}
ansible_sandbox() {
echo -e "\n${BLUE}Running Ansible Playbooks:${NC}"
if [ -z "${PASSWORD}" ]; then
echo -n Password:
read -r -s PASSWORD
echo ""
fi
IP=${START_IP}
# Create Ansible Inventory File
echo "[servers]" >/tmp/inventory
for NODE in ${NODES}; do
echo "10.10.10.${IP}" >>/tmp/inventory
((IP++))
done
# Run Playbooks On All Machines
ansible-playbook -i /tmp/inventory ansible/servers.yaml --extra-vars \
"ansible_become_pass=${PASSWORD} ansible_ssh_pass=${PASSWORD}"
}
label_vms() {
load_kubeconfig
echo -e "\n${BLUE}Labeling Nodes:${NC}"
for NODE in ${NODES}; do
if [[ "${NODE}" =~ "master" || "${NODE}" =~ "server" ]]; then
kubectl label nodes "${PREFIX}${NODE}" node-type=master --overwrite
kubectl taint node "${PREFIX}${NODE}" node-role.kubernetes.io/master:NoSchedule --overwrite
elif [[ "${NODE}" =~ "worker" || "${NODE}" =~ "agent" ]]; then
kubectl label node "${PREFIX}${NODE}" node-role.kubernetes.io/worker=true --overwrite
ZONE="EVEN"
if ((${NODE##*-} % 2)); then
ZONE="ODD"
fi
kubectl label node "${PREFIX}${NODE}" topology.kubernetes.io/zone="${ZONE}" --overwrite
kubectl label node "${PREFIX}${NODE}" node.longhorn.io/create-default-disk=true --overwrite
fi
done
}
load_kubeconfig() {
echo -e "\n${BLUE}Loading KubeConfig:${NC}"
export KUBECONFIG=/mnt/storage/vm/${PREFIX}/${PREFIX}.yaml
}
uninstall_k3s() {
echo -e "\n\n${BLUE}Uninstall k3s:${NC}"
if [ -z "${PASSWORD}" ]; then
echo -n Password:
read -r -s PASSWORD
echo ""
fi
IP=${START_IP}
for NODE in ${NODES}; do
echo "${PREFIX}${NODE}"
if [[ "${NODE}" =~ "master" || "${NODE}" =~ "server" ]]; then
sshpass -p "${PASSWORD}" ssh -t 10.10.10.${IP} "echo ${PASSWORD} | sudo -S /usr/local/bin/k3s-uninstall.sh"
elif [[ "${NODE}" =~ "worker" || "${NODE}" =~ "agent" ]]; then
sshpass -p "${PASSWORD}" ssh -t 10.10.10.${IP} "echo ${PASSWORD} | sudo -S /usr/local/bin/k3s-agent-uninstall.sh"
fi
((IP++))
done
}
install_k3s() {
# Install & Setup k3s
echo -e "\n\n${BLUE}Install & Setup k3s:${NC}"
if [ -z "${PASSWORD}" ]; then
echo -n Password:
read -r -s PASSWORD
echo ""
fi
K3S="echo ${PASSWORD} | sudo -S ls; curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC='"
K3S_RESERVED="--kubelet-arg system-reserved=cpu=125m,memory=250Mi --kubelet-arg kube-reserved=cpu=125m,memory=250Mi'"
K3S_CONFIG="K3S_TOKEN=${K3S_TOKEN} INSTALL_K3S_CHANNEL=v1.23 sh -"
INSTALL="${K3S} server --cluster-init --disable traefik ${K3S_RESERVED} ${K3S_CONFIG}"
SERVER=" ${K3S} server --server https://10.10.10.1:6443 --disable traefik ${K3S_RESERVED} ${K3S_CONFIG}"
WORKER=" ${K3S} ${K3S_RESERVED} K3S_URL=https://10.10.10.1:6443 ${K3S_CONFIG}"
IP=${START_IP}
for NODE in ${NODES}; do
KUBE=0
if [[ "${NODE}" =~ "master" || "${NODE}" =~ "server" ]]; then
if [ ${IP} -eq ${START_IP} ]; then
CONFIG=${INSTALL}
KUBE=1
else
CONFIG=${SERVER}
fi
elif [[ "${NODE}" =~ "worker" || "${NODE}" =~ "agent" ]]; then
CONFIG=${WORKER}
fi
echo "${PREFIX}${NODE}"
sshpass -p "${PASSWORD}" ssh -t 10.10.10.${IP} "${CONFIG}"
if [ ${KUBE} -eq 1 ]; then
CMD="echo ${PASSWORD} | sudo -S cp /etc/rancher/k3s/k3s.yaml /tmp; sudo chmod 777 /tmp/k3s.yaml"
sshpass -p "${PASSWORD}" ssh -t 10.10.10.${START_IP} "${CMD}"
sshpass -p "${PASSWORD}" scp 10.10.10.${START_IP}:/tmp/k3s.yaml "/mnt/storage/vm/${PREFIX}/${PREFIX}.yaml"
sed -i "s,127.0.0.1,10.10.10.1,g" "/mnt/storage/vm/${PREFIX}/${PREFIX}.yaml"
fi
((IP++))
done
echo -e "\n\n${BLUE}Install Complete!${NC}"
echo "export KUBECONFIG=/mnt/storage/vm/${PREFIX}/${PREFIX}.yaml"
echo "${PREFIX} k3s Install Complete!"
}
install_addons() {
# Tweak Settings from Physical HomeLab
load_kubeconfig
echo -e "\n${BLUE}Installing Cluster Addons:${NC}"
echo -e "\n\n${BLUE}Get URL:${NC}"
URL=${URL:-}
if [ -z "${URL}" ]; then
echo -n URL:
read -r -s URL
echo ""
fi
echo "${URL}"
rm -rf /tmp/kubernetes
cp -r kubernetes /tmp/
echo -e "\n${BLUE}Traefik:${NC}"
kubectl apply -f /tmp/kubernetes/traefik/traefik-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/traefik/traefik-dashboard-traefik.yaml
rm -f /tmp/kubernetes/traefik/cluster-wildcard-certificate.yaml
kubectl apply -f /tmp/kubernetes/traefik/traefik-crd.yaml
kubectl apply -f /tmp/kubernetes/traefik
echo -e "\n${BLUE}Kube Eagle:${NC}"
kubectl apply -f /tmp/kubernetes/kube-eagle
echo -e "\n${BLUE}Kubernetes Dashboard:${NC}"
kubectl apply -f /tmp/kubernetes/kubernetes-dashboard/kubernetes-dashboard-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/kubernetes-dashboard/kubernetes-dashboard-traefik.yaml
kubectl apply -f /tmp/kubernetes/kubernetes-dashboard
echo -e "\n${BLUE}Longhorn:${NC}"
kubectl apply -f /tmp/kubernetes/longhorn/longhorn-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/longhorn/longhorn-traefik.yaml
kubectl apply -f /tmp/kubernetes/longhorn
kubectl patch daemonset -n longhorn-system longhorn-manager --type=json -p='[{"op": "remove", "path": "/spec/template/spec/tolerations"}]'
echo -e "\n${BLUE}Waiting for Longhorn to Boot:${NC}"
while [ "$(kubectl get pods -n longhorn-system | grep -cv Running)" -ne 1 ]; do
sleep 1
done
echo -e "\n${BLUE}Prometheus:${NC}"
kubectl apply -f /tmp/kubernetes/prometheus/prometheus-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/prometheus/prometheus-traefik.yaml
kubectl apply -f /tmp/kubernetes/prometheus
echo -e "\n${BLUE}Image Version Checker:${NC}"
kubectl apply -f /tmp/kubernetes/version-checker/version-checker-namespace.yaml
kubectl apply -f /tmp/kubernetes/version-checker
echo -e "\n${BLUE}Grafana:${NC}"
kubectl apply -f /tmp/kubernetes/grafana/grafana-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/grafana/grafana-traefik.yaml
kubectl apply -f /tmp/kubernetes/grafana
kubectl patch deployment -n grafana grafana --type=json -p='[{"op": "remove", "path": "/spec/template/spec/containers/0/env"}]'
echo -e "\n${BLUE}Grafana Loki:${NC}"
kubectl apply -f /tmp/kubernetes/grafana-loki
echo -e "\n${BLUE}Grafana Promtail:${NC}"
kubectl apply -f /tmp/kubernetes/grafana-promtail
echo -e "\n\n${BLUE}Addons Installed!${NC}"
}
install_addons_optional() {
load_kubeconfig
echo -e "\n${BLUE}Heimdall:${NC}"
kubectl apply -f /tmp/kubernetes/heimdall/heimdall-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/heimdall/heimdall-traefik.yaml
sed -i "s/replicas: 1/replicas: 0/g" /tmp/kubernetes/heimdall/heimdall-statefulSet.yaml
kubectl apply -f /tmp/kubernetes/heimdall
kubectl patch statefulset -n heimdall heimdall --type=json -p='[{"op": "remove", "path": "/spec/template/spec/affinity"}]'
kubectl patch statefulset -n heimdall heimdall --type=json -p='[{"op": "remove", "path": "/spec/template/spec/tolerations"}]'
kubectl scale --replicas=1 statefulSet/heimdall -n heimdall
echo -e "\n${BLUE}Uptime Kuma:${NC}"
kubectl apply -f /tmp/kubernetes/uptime-kuma/uptime-kuma-namespace.yaml
sed -i "s/<URL>/${URL}/g" /tmp/kubernetes/uptime-kuma/uptime-kuma-traefik.yaml
sed -i "s/replicas: 1/replicas: 0/g" /tmp/kubernetes/uptime-kuma/uptime-kuma-statefulSet.yaml
kubectl apply -f /tmp/kubernetes/uptime-kuma
kubectl patch statefulset -n uptime-kuma uptime-kuma --type=json -p='[{"op": "remove", "path": "/spec/template/spec/affinity"}]'
kubectl patch statefulset -n uptime-kuma uptime-kuma --type=json -p='[{"op": "remove", "path": "/spec/template/spec/tolerations"}]'
kubectl scale --replicas=1 statefulSet/uptime-kuma -n uptime-kuma
}
get_dashboard_secret() {
load_kubeconfig
echo -e "\n${BLUE}Kubernetes Dashboard Secret:${NC}"
# shellcheck disable=SC2046
kubectl get secret -n kubernetes-dashboard \
$(kubectl get serviceaccount admin-user -n kubernetes-dashboard -o jsonpath="{.secrets[0].name}") \
-o jsonpath="{.data.token}" | base64 --decode
}
preseed_server() {
echo -e "\n${BLUE}Loading Preseed Server:${NC}"
echo -n Password:
read -r -s PASSWORD
echo ""
# Startup Preseed Web Server
mkdir -p /tmp/preseed/
cp machineConfigs/preseed.cfg /tmp/preseed//preseed.cfg
mkpasswd -m md5 "${PASSWORD}"
sed -i "s,#d-i passwd/user-password-crypted password <HASH>,d-i passwd/user-password-crypted password $(mkpasswd -s -m md5 "${PASSWORD}"),g" "/tmp/preseed/preseed.cfg"
python3 -m http.server --directory /tmp/preseed/
}
install_cluster() {
echo -e "\n${BLUE}Installing Cluster:${NC}"
echo -n Password:
read -r -s PASSWORD
echo ""
# IP Counter
IP=${START_IP}
# Delete Cluster If Exists
delete_cluster
mkdir -p "/mnt/storage/vm/${PREFIX}"
for NODE in ${NODES}; do
echo -e "\n\n${BLUE}Creating: ${PREFIX}${NODE}${NC}"
if [[ "${NODE}" =~ "master" || "${NODE}" =~ "server" ]]; then
CPU=3
MEMORY=4096
DISK=15
elif [[ "${NODE}" =~ "worker" || "${NODE}" =~ "agent" ]]; then
CPU=6
MEMORY=8192
DISK=30
fi
# Install VM
#--debug \
#--wait=-1 \
# shellcheck disable=SC2140
virt-install \
--noautoconsole \
--graphics vnc \
--name="${PREFIX}${NODE}" \
--os-variant=debian11 \
--vcpus sockets=1,cores=1,threads="${CPU}" \
--ram="${MEMORY}" \
--disk "/mnt/storage/vm/${PREFIX}/${PREFIX}${NODE}".img,size="${DISK}" \
--network network=default,model=virtio,mac="10:10:00:00:00:${IP}" \
--location=http://ftp.us.debian.org/debian/dists/stable/main/installer-amd64/ \
--extra-args="\
auto=true priority=critical vga=normal hostname=${PREFIX}${NODE} \
url=http://10.10.10.1:8000/preseed.cfg"
# https://crysol.org/recipe/2012-12-25/virtual-machine-unattended-debian-installations-with-libvirt-and-d-i-preseeding.html
((IP++))
done
# Wait for Machines to Finish Installing OS, Then Boot Machines
echo -e "\n\n${BLUE}Booting Nodes:${NC}"
echo "Waiting for Installation to Finish..."
echo "http://localhost:9090/machines"
for NODE in ${NODES}; do
# https://serverfault.com/a/386867
finished="0"
while [ "$finished" = "0" ]; do
sleep 5
if [ "$(virsh list --all | grep 'running' | grep "${PREFIX}${NODE}" | wc -c)" -eq 0 ]; then
echo "Starting vm ${PREFIX}${NODE}"
sleep 1
virsh start "${PREFIX}${NODE}"
finished=1
fi
done
done
# Add Machines to Known Hosts
echo -e "\n\n${BLUE}Add SSH Known Hosts:${NC}"
IP=${START_IP}
for NODE in ${NODES}; do
finished="0"
while [ "$finished" = "0" ]; do
sleep 1
if nc -z 10.10.10.${IP} 22; then
ssh-keygen -f "${HOME}/.ssh/known_hosts" -R "10.10.10.${IP}"
ssh-keyscan 10.10.10.${IP} >>"${HOME}/.ssh/known_hosts"
finished=1
fi
done
((IP++))
done
# Run Playbooks On All Machines
ansible_sandbox
reboot_cluster
}
install_k3s_cluster() {
export PREFIX="sk3s" # Sandbox k3s
export K3S_TOKEN=${PREFIX} # Sandbox k3s
export NODES="-master-0 -master-1 -master-2 -worker-0 -worker-1 -worker-2 -worker-3"
install_cluster
# Install & Setup k3s
install_k3s
export KUBECONFIG="/mnt/storage/vm/${PREFIX}/${PREFIX}.yaml"
while [ "$(kubectl get nodes | wc -l)" -le "$(echo "${NODES}" | wc -w)" ]; do
sleep 1
done
# Label Nodes
label_vms
# Install Addons
install_addons
install_addons_optional
get_dashboard_secret
echo " "
echo "export KUBECONFIG=/mnt/storage/vm/${PREFIX}/${PREFIX}.yaml"
echo "${PREFIX} k3s Install Complete!"
}
monitor_okd_virt() {
export HOMELAB="${PWD}"
export OKD=/tmp/okd
export KUBECONFIG="${OKD}/okd/auth/kubeconfig"
"${OKD}/openshift-install" agent wait-for bootstrap-complete --dir "${OKD}/okd/"
"${OKD}/openshift-install" agent wait-for install-complete --dir "${OKD}/okd/"
}
delete_okd_virt() {
export HOMELAB="${PWD}"
export OKD=/tmp/okd
# TODO, Automate Finding Which IPs to Remove
ssh-keygen -R 10.0.0.140
ssh-keygen -R 10.0.0.141
ssh-keygen -R 10.0.0.142
echo -e "\n\n${BLUE}Delete All Existing Data:${NC}"
rm -rf \
"${HOME}/.cache/agent" \
${OKD}/openshift-install-linux* \
${OKD}/openshift-client-linux* \
${OKD}/oc \
${OKD}/kubectl \
${OKD}/openshift-install \
${OKD}/okd
kubectl delete -f "${HOMELAB}/sandbox/kubevirt/okd/vm" --ignore-not-found
}
install_okd_prep() {
if [ -z "${URL}" ]; then
echo -n URL:
read -r -s URL
echo ""
fi
echo "${URL}"
echo -e "\n\n${BLUE}Get Registry URL:${NC}"
export REGISTRY
REGISTRY=${REGISTRY:-registry.arthurvardevanyan.com}
if [ -z "${REGISTRY}" ]; then
echo -n REGISTRY:
read -r -s REGISTRY
echo ""
fi
echo "${REGISTRY}"
echo -e "\n\n${BLUE}Download Dependencies:${NC}"
export OKD_VERSION=${OKD_VERSION:-""}
if [ -z "${OKD_VERSION}" ]; then
export OKD_CHANNEL=${OKD_CHANNEL:-4-scos-stable}
# https://github.com/JaimeMagiera/oct/blob/3968059ca79d9b60245aaff659533f6090c9a722/helpers/okd-query-releases.sh#L137
OKD_VERSION=$(curl -s "https://amd64.origin.releases.ci.openshift.org/releasestream/${OKD_CHANNEL}" | grep "Accepted" -B 1 | awk 'sub(/.*release\/ */,""){f=1} f{if ( sub(/ *".*/,"") ) f=0; print}' | head -n 1)
fi
echo "${OKD_VERSION}"
if [[ $OKD_VERSION == *"scos"* ]]; then
export OKD_URL="quay.io/okd/scos-release:${OKD_VERSION}"
export OKD_URL_CI="registry.ci.openshift.org/origin/release-scos:${OKD_VERSION}"
else
export OKD_URL="quay.io/openshift/okd:${OKD_VERSION}"
export OKD_URL_CI="registry.ci.openshift.org/origin/release:${OKD_VERSION}"
fi
if ! oc adm release extract --tools "${OKD_URL}" --to="${OKD}/"; then
echo -e "${BLUE}Trying CI Registry:${NC}"
oc adm release extract --tools "${OKD_URL_CI}" --to="${OKD}/"
fi
tar xvzf "${OKD}"/openshift-install-linux-4* -C "${OKD}"
tar xvzf "${OKD}"/openshift-client-linux-4* -C "${OKD}"
mkdir -p "${OKD}/vm"
echo -e "\n\n${BLUE}Create Config Files:${NC}"
# Create okd directory of openshift-install files
mkdir -p "${OKD}"/okd
# Copy the install-config.yaml
cp "${HOMELAB}/okd/install-config.yaml" "${OKD}/okd/"
SSH=$(cat "${HOME}"/.ssh/id_ed25519.pub)
sed -i "s/<SSH>/${SSH}/g" "${OKD}/okd/install-config.yaml"
sed -i "s/<URL>/${URL}/g" "${OKD}/okd/install-config.yaml"
sed -i "s/<REGISTRY>/${REGISTRY}/g" "${OKD}/okd/install-config.yaml"
sed -i "s/<CONTROL_PLANE>/${TF_VAR_control_plane_count:-${CONTROL_PLANE_COUNT}}/g" "${OKD}/okd/install-config.yaml"
sed -i "s/<WORKERS>/${TF_VAR_worker_count:-${WORKER_COUNT}}/g" "${OKD}/okd/install-config.yaml"
cp "${OKD}/okd/install-config.yaml" "${OKD}/okd/install-config_backup.yaml"
}
install_okd_virt() {
delete_okd_virt
export HOMELAB="${PWD}"
export OKD=/tmp/okd
export CONTROL_PLANE_COUNT
export WORKER_COUNT
CONTROL_PLANE_COUNT=${CONTROL_PLANE_COUNT:-3}
WORKER_COUNT=${WORKER_COUNT:-0}
echo -e "\n\n${BLUE}Get URL:${NC}"
URL=${URL:-virt.arthurvardevanyan.com}
install_okd_prep
cp "${HOMELAB}/sandbox/kubevirt/okd/configs/agent-config.yaml" "${OKD}/okd/"
cp "${HOMELAB}/sandbox/kubevirt/okd/configs/containerfile" "${OKD}/okd/containerfile"
"${OKD}/openshift-install" agent create cluster-manifests --dir "${OKD}/okd/"
"${OKD}/openshift-install" agent create image --dir "${OKD}/okd/"
podman build -f "${OKD}/okd/containerfile" -t "${REGISTRY}/homelab/okd-virt:latest"
podman push "${REGISTRY}/homelab/okd-virt:latest"
podman rmi -f "${REGISTRY}/homelab/okd-virt:latest"
kubectl apply -f "${HOMELAB}/sandbox/kubevirt/okd/vm"
export KUBECONFIG="${OKD}/okd/auth/kubeconfig"
"${OKD}/openshift-install" agent wait-for bootstrap-complete --dir "${OKD}/okd/"
# "${OKD}/oc" apply -f "${HOMELAB}/okd/okd-configuration/overlays/sandbox/ingress-controller.yaml"
"${OKD}/openshift-install" agent wait-for install-complete --dir "${OKD}/okd/"
}
delete_okd() {
export HOME=/home/arthur
export HOMELAB="${PWD}"
export OKD=/mnt/storage/okd
echo -e "\n\n${BLUE}Delete OKD Install:${NC}"
echo -e "\n\n${BLUE}Delete Bootstrap:${NC}"
cd "${HOMELAB}/terraform/sandbox/cluster"
terraform init
export TF_VAR_base_volume_id
TF_VAR_base_volume_id=$(terraform output -raw base_volume_id)
export TF_VAR_pool
TF_VAR_pool=$(terraform output -raw pool)
cd "${HOMELAB}/terraform/sandbox/bootstrap"
terraform init
terraform destroy -auto-approve
echo -e "\n\n${BLUE}Delete Workers:${NC}"
cd "${HOMELAB}/terraform/sandbox/workers"
terraform init
terraform destroy -auto-approve
echo -e "\n\n${BLUE}Delete libvirt and Masters:${NC}"
cd "${HOMELAB}/terraform/sandbox/cluster"
terraform destroy -auto-approve
if swapon --show | grep -q "${SWAP_PATH}"; then
swapoff /home/swapfile.img
fi
echo -e "\n\n${BLUE}Delete All Existing Data:${NC}"
rm -rf \
"${OKD}"/openshift-install-linux* \
"${OKD}"/openshift-client-linux* \
"${OKD}"/oc \
"${OKD}"/kubectl \
"${OKD}"/openshift-install \
"${OKD}"/fedora-coreos-* \
"${OKD}"/*.qcow2 \
"${OKD}"/okd \
"${OKD}"
cd "${HOMELAB}"
}
delete_okd_agent() {
export HOME=/home/arthur
export HOMELAB="${PWD}"
export OKD=/mnt/storage/okd