2020-02-02 00:10:40 +01:00
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---
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variant: fcos
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version: 1.0.0
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systemd:
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units:
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- name: etcd-member.service
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enabled: true
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contents: |
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[Unit]
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Description=etcd (System Container)
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Documentation=https://github.com/coreos/etcd
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Wants=network-online.target network.target
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After=network-online.target
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[Service]
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# https://github.com/opencontainers/runc/pull/1807
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# Type=notify
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# NotifyAccess=exec
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Type=exec
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Restart=on-failure
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RestartSec=10s
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TimeoutStartSec=0
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LimitNOFILE=40000
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ExecStartPre=/bin/mkdir -p /var/lib/etcd
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ExecStartPre=-/usr/bin/podman rm etcd
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#--volume $${NOTIFY_SOCKET}:/run/systemd/notify \
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ExecStart=/usr/bin/podman run --name etcd \
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--env-file /etc/etcd/etcd.env \
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--network host \
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--volume /var/lib/etcd:/var/lib/etcd:rw,Z \
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--volume /etc/ssl/etcd:/etc/ssl/certs:ro,Z \
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2020-03-19 04:50:41 +01:00
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quay.io/coreos/etcd:v3.4.5
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2020-02-02 00:10:40 +01:00
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ExecStop=/usr/bin/podman stop etcd
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[Install]
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WantedBy=multi-user.target
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- name: docker.service
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enabled: true
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- name: wait-for-dns.service
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enabled: true
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contents: |
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[Unit]
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Description=Wait for DNS entries
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Before=kubelet.service
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[Service]
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Type=oneshot
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RemainAfterExit=true
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ExecStart=/bin/sh -c 'while ! /usr/bin/grep '^[^#[:space:]]' /etc/resolv.conf > /dev/null; do sleep 1; done'
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[Install]
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RequiredBy=kubelet.service
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RequiredBy=etcd-member.service
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- name: kubelet.service
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enabled: true
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contents: |
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[Unit]
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Description=Kubelet via Hyperkube (System Container)
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Wants=rpc-statd.service
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[Service]
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ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
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ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
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ExecStartPre=/bin/mkdir -p /opt/cni/bin
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ExecStartPre=/bin/mkdir -p /var/lib/calico
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ExecStartPre=/bin/mkdir -p /var/lib/kubelet/volumeplugins
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ExecStartPre=/usr/bin/bash -c "grep 'certificate-authority-data' /etc/kubernetes/kubeconfig | awk '{print $2}' | base64 -d > /etc/kubernetes/ca.crt"
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ExecStartPre=-/usr/bin/podman rm kubelet
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ExecStart=/usr/bin/podman run --name kubelet \
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--privileged \
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--pid host \
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--network host \
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--volume /etc/kubernetes:/etc/kubernetes:ro,z \
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--volume /usr/lib/os-release:/etc/os-release:ro \
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--volume /etc/ssl/certs:/etc/ssl/certs:ro \
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--volume /lib/modules:/lib/modules:ro \
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--volume /run:/run \
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--volume /sys/fs/cgroup:/sys/fs/cgroup:ro \
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--volume /sys/fs/cgroup/systemd:/sys/fs/cgroup/systemd \
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--volume /etc/pki/tls/certs:/usr/share/ca-certificates:ro \
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2020-02-19 06:40:58 +01:00
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--volume /var/lib/calico:/var/lib/calico:ro \
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2020-02-02 00:10:40 +01:00
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--volume /var/lib/docker:/var/lib/docker \
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--volume /var/lib/kubelet:/var/lib/kubelet:rshared,z \
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--volume /var/log:/var/log \
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--volume /var/run/lock:/var/run/lock:z \
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--volume /opt/cni/bin:/opt/cni/bin:z \
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2020-03-22 21:47:18 +01:00
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quay.io/poseidon/kubelet:v1.18.0 \
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2020-02-02 00:10:40 +01:00
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--anonymous-auth=false \
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--authentication-token-webhook \
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--authorization-mode=Webhook \
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--cgroup-driver=systemd \
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--cgroups-per-qos=true \
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--enforce-node-allocatable=pods \
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--client-ca-file=/etc/kubernetes/ca.crt \
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--cluster_dns=${cluster_dns_service_ip} \
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--cluster_domain=${cluster_domain_suffix} \
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--cni-conf-dir=/etc/kubernetes/cni/net.d \
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--exit-on-lock-contention \
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--healthz-port=0 \
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--kubeconfig=/etc/kubernetes/kubeconfig \
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--lock-file=/var/run/lock/kubelet.lock \
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--network-plugin=cni \
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--node-labels=node.kubernetes.io/master \
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--node-labels=node.kubernetes.io/controller="true" \
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--pod-manifest-path=/etc/kubernetes/manifests \
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--read-only-port=0 \
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--register-with-taints=node-role.kubernetes.io/master=:NoSchedule \
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--volume-plugin-dir=/var/lib/kubelet/volumeplugins
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ExecStop=-/usr/bin/podman stop kubelet
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Delegate=yes
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Restart=always
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RestartSec=10
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[Install]
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WantedBy=multi-user.target
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- name: bootstrap.service
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contents: |
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[Unit]
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Description=Kubernetes control plane
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ConditionPathExists=!/opt/bootstrap/bootstrap.done
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[Service]
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Type=oneshot
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RemainAfterExit=true
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WorkingDirectory=/opt/bootstrap
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2020-03-29 01:49:17 +01:00
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ExecStartPre=-/usr/bin/podman rm bootstrap
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2020-02-02 00:10:40 +01:00
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ExecStart=/usr/bin/podman run --name bootstrap \
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--network host \
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--volume /etc/kubernetes/bootstrap-secrets:/etc/kubernetes/secrets:ro,Z \
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--volume /opt/bootstrap/assets:/assets:ro,Z \
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--volume /opt/bootstrap/apply:/apply:ro,Z \
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--entrypoint=/apply \
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2020-03-22 21:47:18 +01:00
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quay.io/poseidon/kubelet:v1.18.0
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2020-02-02 00:10:40 +01:00
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ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
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ExecStartPost=-/usr/bin/podman stop bootstrap
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storage:
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directories:
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- path: /etc/kubernetes
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- path: /opt/bootstrap
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files:
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- path: /etc/kubernetes/kubeconfig
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mode: 0644
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contents:
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inline: |
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${kubeconfig}
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- path: /opt/bootstrap/layout
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mode: 0544
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contents:
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inline: |
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#!/bin/bash -e
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mkdir -p -- auth tls/etcd tls/k8s static-manifests manifests/coredns manifests-networking
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awk '/#####/ {filename=$2; next} {print > filename}' assets
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mkdir -p /etc/ssl/etcd/etcd
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mkdir -p /etc/kubernetes/bootstrap-secrets
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mv tls/etcd/{peer*,server*} /etc/ssl/etcd/etcd/
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mv tls/etcd/etcd-client* /etc/kubernetes/bootstrap-secrets/
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chown -R etcd:etcd /etc/ssl/etcd
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chmod -R 500 /etc/ssl/etcd
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mv auth/kubeconfig /etc/kubernetes/bootstrap-secrets/
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mv tls/k8s/* /etc/kubernetes/bootstrap-secrets/
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sudo mkdir -p /etc/kubernetes/manifests
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sudo mv static-manifests/* /etc/kubernetes/manifests/
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sudo mkdir -p /opt/bootstrap/assets
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sudo mv manifests /opt/bootstrap/assets/manifests
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2020-03-22 21:47:18 +01:00
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sudo mkdir -p /opt/bootstrap/assets/manifests/crds
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sudo mv manifests-networking/crd*.yaml /opt/bootstrap/assets/manifests/crds
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sudo mv manifests-networking/* /opt/bootstrap/assets/manifests/
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2020-02-02 00:10:40 +01:00
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rm -rf assets auth static-manifests tls
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- path: /opt/bootstrap/apply
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mode: 0544
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contents:
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inline: |
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#!/bin/bash -e
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export KUBECONFIG=/etc/kubernetes/secrets/kubeconfig
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until kubectl version; do
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echo "Waiting for static pod control plane"
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sleep 5
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done
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2020-03-22 21:47:18 +01:00
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until kubectl apply -f /assets/manifests/crds -R; do
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echo "Retry Custom Resource Definition manifests"
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sleep 5
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done
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2020-02-02 00:10:40 +01:00
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until kubectl apply -f /assets/manifests -R; do
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echo "Retry applying manifests"
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sleep 5
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done
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- path: /etc/sysctl.d/max-user-watches.conf
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contents:
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inline: |
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fs.inotify.max_user_watches=16184
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- path: /etc/systemd/system.conf.d/accounting.conf
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contents:
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inline: |
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[Manager]
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DefaultCPUAccounting=yes
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DefaultMemoryAccounting=yes
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DefaultBlockIOAccounting=yes
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- path: /etc/etcd/etcd.env
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mode: 0644
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contents:
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inline: |
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# TODO: Use a systemd dropin once podman v1.4.5 is avail.
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NOTIFY_SOCKET=/run/systemd/notify
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ETCD_NAME=${etcd_name}
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ETCD_DATA_DIR=/var/lib/etcd
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ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379
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ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380
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ETCD_LISTEN_CLIENT_URLS=https://0.0.0.0:2379
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ETCD_LISTEN_PEER_URLS=https://0.0.0.0:2380
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ETCD_LISTEN_METRICS_URLS=http://0.0.0.0:2381
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ETCD_INITIAL_CLUSTER=${etcd_initial_cluster}
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ETCD_STRICT_RECONFIG_CHECK=true
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ETCD_TRUSTED_CA_FILE=/etc/ssl/certs/etcd/server-ca.crt
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ETCD_CERT_FILE=/etc/ssl/certs/etcd/server.crt
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ETCD_KEY_FILE=/etc/ssl/certs/etcd/server.key
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ETCD_CLIENT_CERT_AUTH=true
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ETCD_PEER_TRUSTED_CA_FILE=/etc/ssl/certs/etcd/peer-ca.crt
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ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt
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ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key
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ETCD_PEER_CLIENT_CERT_AUTH=true
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passwd:
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users:
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- name: core
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ssh_authorized_keys:
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- ${ssh_authorized_key}
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