105 lines
2.6 KiB
Bash
Executable File
105 lines
2.6 KiB
Bash
Executable File
#!/bin/bash
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set -ex
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: ${KUBE_VERSION:="v1.19.2"}
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: ${MINIKUBE_VERSION:="v1.16.0"}
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: ${UPSTREAM_DNS_SERVER:="8.8.4.4"}
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: ${DNS_DOMAIN:="cluster.local"}
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: ${CALICO_VERSION:="v3.17"}
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: ${CNI_MANIFEST_PATH:="/tmp/calico.yaml"}
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export DEBCONF_NONINTERACTIVE_SEEN=true
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export DEBIAN_FRONTEND=noninteractive
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curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
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sudo apt-key fingerprint 0EBFCD88
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sudo add-apt-repository \
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"deb [arch=amd64] https://download.docker.com/linux/ubuntu \
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$(lsb_release -cs) \
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stable"
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sudo -E apt-get update
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sudo -E apt-get install -y \
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docker-ce \
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docker-ce-cli \
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containerd.io \
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socat \
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jq \
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util-linux \
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nfs-common \
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bridge-utils \
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iptables \
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conntrack \
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libffi-dev
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# Prepare tmpfs for etcd
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sudo mkdir -p /data
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sudo mount -t tmpfs -o size=512m tmpfs /data
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# Download calico manifest
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if [ ! -f "$CNI_MANIFEST_PATH" ]; then
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curl -Ss https://docs.projectcalico.org/"${CALICO_VERSION}"/manifests/calico.yaml -o ${CNI_MANIFEST_PATH}
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fi
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# Install minikube and kubectl
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URL="https://storage.googleapis.com"
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sudo -E curl -sSLo /usr/local/bin/minikube "${URL}"/minikube/releases/"${MINIKUBE_VERSION}"/minikube-linux-amd64
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sudo -E curl -sSLo /usr/local/bin/kubectl "${URL}"/kubernetes-release/release/"${KUBE_VERSION}"/bin/linux/amd64/kubectl
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sudo -E chmod +x /usr/local/bin/minikube
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sudo -E chmod +x /usr/local/bin/kubectl
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export CHANGE_MINIKUBE_NONE_USER=true
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export MINIKUBE_IN_STYLE=false
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sudo -E minikube start \
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--kubernetes-version="${KUBE_VERSION}" \
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--embed-certs=true \
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--interactive=false \
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--driver=none \
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--wait=apiserver,system_pods,node_ready \
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--wait-timeout=6m0s \
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--network-plugin=cni \
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--cni=${CNI_MANIFEST_PATH} \
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--extra-config=kube-proxy.mode=ipvs \
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--extra-config=controller-manager.allocate-node-cidrs=true \
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--extra-config=controller-manager.cluster-cidr=192.168.0.0/16 \
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--extra-config=kubeadm.pod-network-cidr=192.168.0.0/16 \
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--extra-config=kubelet.resolv-conf=/run/systemd/resolve/resolv.conf
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kubectl get nodes -o wide
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kubectl get pod -A
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cat <<EOF | kubectl replace -f -
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apiVersion: v1
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data:
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Corefile: |
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.:53 {
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errors
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health {
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lameduck 5s
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}
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ready
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kubernetes ${DNS_DOMAIN} in-addr.arpa ip6.arpa {
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pods insecure
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fallthrough in-addr.arpa ip6.arpa
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ttl 30
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}
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prometheus :9153
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forward . ${UPSTREAM_DNS_SERVER} {
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max_concurrent 1000
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}
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cache 30
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loop
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reload
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loadbalance
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}
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kind: ConfigMap
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metadata:
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name: coredns
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namespace: kube-system
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EOF
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kubectl wait --for=condition=Ready pods --all -A --timeout=180s
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