203 lines
9.0 KiB
YAML
203 lines
9.0 KiB
YAML
---
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systemd:
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units:
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- name: etcd-member.service
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enable: true
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dropins:
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- name: 40-etcd-cluster.conf
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contents: |
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[Service]
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Environment="ETCD_IMAGE_TAG=v3.4.7"
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Environment="ETCD_IMAGE_URL=docker://quay.io/coreos/etcd"
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Environment="RKT_RUN_ARGS=--insecure-options=image"
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Environment="ETCD_NAME=${etcd_name}"
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Environment="ETCD_ADVERTISE_CLIENT_URLS=https://${etcd_domain}:2379"
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Environment="ETCD_INITIAL_ADVERTISE_PEER_URLS=https://${etcd_domain}:2380"
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Environment="ETCD_LISTEN_CLIENT_URLS=https://0.0.0.0:2379"
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Environment="ETCD_LISTEN_PEER_URLS=https://0.0.0.0:2380"
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Environment="ETCD_LISTEN_METRICS_URLS=http://0.0.0.0:2381"
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Environment="ETCD_INITIAL_CLUSTER=${etcd_initial_cluster}"
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Environment="ETCD_STRICT_RECONFIG_CHECK=true"
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Environment="ETCD_SSL_DIR=/etc/ssl/etcd"
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Environment="ETCD_TRUSTED_CA_FILE=/etc/ssl/certs/etcd/server-ca.crt"
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Environment="ETCD_CERT_FILE=/etc/ssl/certs/etcd/server.crt"
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Environment="ETCD_KEY_FILE=/etc/ssl/certs/etcd/server.key"
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Environment="ETCD_CLIENT_CERT_AUTH=true"
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Environment="ETCD_PEER_TRUSTED_CA_FILE=/etc/ssl/certs/etcd/peer-ca.crt"
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Environment="ETCD_PEER_CERT_FILE=/etc/ssl/certs/etcd/peer.crt"
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Environment="ETCD_PEER_KEY_FILE=/etc/ssl/certs/etcd/peer.key"
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Environment="ETCD_PEER_CLIENT_CERT_AUTH=true"
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- name: docker.service
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enable: true
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- name: locksmithd.service
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mask: true
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- name: wait-for-dns.service
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enable: true
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contents: |
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[Unit]
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Description=Wait for DNS entries
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Wants=systemd-resolved.service
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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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enable: true
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contents: |
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[Unit]
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Description=Kubelet via Hyperkube
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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/rkt rm --uuid-file=/var/cache/kubelet-pod.uuid
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ExecStart=/usr/bin/rkt run \
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--uuid-file-save=/var/cache/kubelet-pod.uuid \
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--stage1-from-dir=stage1-fly.aci \
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--hosts-entry host \
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--insecure-options=image \
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--volume etc-kubernetes,kind=host,source=/etc/kubernetes,readOnly=true \
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--mount volume=etc-kubernetes,target=/etc/kubernetes \
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--volume etc-machine-id,kind=host,source=/etc/machine-id,readOnly=true \
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--mount volume=etc-machine-id,target=/etc/machine-id \
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--volume etc-os-release,kind=host,source=/usr/lib/os-release,readOnly=true \
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--mount volume=etc-os-release,target=/etc/os-release \
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--volume=etc-resolv,kind=host,source=/etc/resolv.conf,readOnly=true \
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--mount volume=etc-resolv,target=/etc/resolv.conf \
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--volume etc-ssl-certs,kind=host,source=/etc/ssl/certs,readOnly=true \
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--mount volume=etc-ssl-certs,target=/etc/ssl/certs \
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--volume lib-modules,kind=host,source=/lib/modules,readOnly=true \
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--mount volume=lib-modules,target=/lib/modules \
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--volume run,kind=host,source=/run \
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--mount volume=run,target=/run \
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--volume usr-share-certs,kind=host,source=/usr/share/ca-certificates,readOnly=true \
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--mount volume=usr-share-certs,target=/usr/share/ca-certificates \
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--volume var-lib-calico,kind=host,source=/var/lib/calico,readOnly=true \
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--mount volume=var-lib-calico,target=/var/lib/calico \
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--volume var-lib-docker,kind=host,source=/var/lib/docker \
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--mount volume=var-lib-docker,target=/var/lib/docker \
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--volume var-lib-kubelet,kind=host,source=/var/lib/kubelet,recursive=true \
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--mount volume=var-lib-kubelet,target=/var/lib/kubelet \
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--volume var-log,kind=host,source=/var/log \
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--mount volume=var-log,target=/var/log \
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--volume opt-cni-bin,kind=host,source=/opt/cni/bin \
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--mount volume=opt-cni-bin,target=/opt/cni/bin \
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docker://quay.io/poseidon/kubelet:v1.18.0 -- \
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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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--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/rkt stop --uuid-file=/var/cache/kubelet-pod.uuid
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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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ExecStart=/usr/bin/rkt run \
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--trust-keys-from-https \
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--volume config,kind=host,source=/etc/kubernetes/bootstrap-secrets \
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--mount volume=config,target=/etc/kubernetes/secrets \
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--volume assets,kind=host,source=/opt/bootstrap/assets \
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--mount volume=assets,target=/assets \
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--volume script,kind=host,source=/opt/bootstrap/apply \
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--mount volume=script,target=/apply \
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--insecure-options=image \
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docker://quay.io/poseidon/kubelet:v1.18.0 \
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--net=host \
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--dns=host \
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--exec=/apply
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ExecStartPost=/bin/touch /opt/bootstrap/bootstrap.done
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[Install]
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WantedBy=multi-user.target
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storage:
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files:
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- path: /etc/kubernetes/kubeconfig
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filesystem: root
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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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filesystem: root
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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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sudo mkdir -p /opt/bootstrap/assets/manifests/crds
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sudo mv manifests-networking/{crd,cluster}*.yaml /opt/bootstrap/assets/manifests/crds 2>/dev/null || true
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sudo mv manifests-networking/* /opt/bootstrap/assets/manifests/
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rm -rf assets auth static-manifests tls manifests-networking
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- path: /opt/bootstrap/apply
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filesystem: root
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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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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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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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filesystem: root
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contents:
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inline: |
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fs.inotify.max_user_watches=16184
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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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