/
worker_template.go
342 lines (326 loc) · 12.3 KB
/
worker_template.go
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package v_4_9_1
const WorkerTemplate = `---
ignition:
version: "2.2.0"
passwd:
users:
- name: giantswarm
shell: "/bin/bash"
uid: 1000
groups:
- "sudo"
- "docker"
sshAuthorizedKeys:
- "ssh-rsa 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 giantswarm"
{{ range $index, $user := .Cluster.Kubernetes.SSH.UserList }}
- name: {{ $user.Name }}
shell: "/bin/bash"
groups:
- "sudo"
- "docker"
{{ if ne $user.PublicKey "" }}
sshAuthorizedKeys:
- "{{ $user.PublicKey }}"
{{ end }}
{{ end }}
systemd:
units:
# Start - manual management for cgroup structure
- name: kubereserved.slice
path: /etc/systemd/system/kubereserved.slice
content: |
[Unit]
Description=Limited resources slice for Kubernetes services
Documentation=man:systemd.special(7)
DefaultDependencies=no
Before=slices.target
Requires=-.slice
After=-.slice
# End - manual management for cgroup structure
{{range .Extension.Units}}
- name: {{.Metadata.Name}}
enabled: {{.Metadata.Enabled}}
contents: |
{{range .Content}}{{.}}
{{end}}{{end}}
- name: set-certs-group-owner-permission-giantswarm.service
enabled: true
contents: |
[Unit]
Description=Change group owner for certificates to giantswarm
Wants=k8s-kubelet.service k8s-setup-network-env.service
After=k8s-kubelet.service k8s-setup-network-env.service
[Service]
Type=oneshot
ExecStart=/bin/sh -c "find /etc/kubernetes/ssl -name '*.pem' -print | xargs -i sh -c 'chown root:giantswarm {} && chmod 640 {}'"
[Install]
WantedBy=multi-user.target
- name: wait-for-domains.service
enabled: true
contents: |
[Unit]
Description=Wait for etcd and k8s API domains to be available
[Service]
Type=oneshot
ExecStart=/opt/wait-for-domains
[Install]
WantedBy=multi-user.target
- name: os-hardeing.service
enabled: true
contents: |
[Unit]
Description=Apply os hardening
[Service]
Type=oneshot
ExecStartPre=-/bin/bash -c "gpasswd -d core rkt; gpasswd -d core docker; gpasswd -d core wheel"
ExecStartPre=/bin/bash -c "until [ -f '/etc/sysctl.d/hardening.conf' ]; do echo Waiting for sysctl file; sleep 1s;done;"
ExecStart=/usr/sbin/sysctl -p /etc/sysctl.d/hardening.conf
[Install]
WantedBy=multi-user.target
- name: k8s-setup-kubelet-config.service
enabled: true
contents: |
[Unit]
Description=k8s-setup-kubelet-config Service
After=k8s-setup-network-env.service docker.service
Requires=k8s-setup-network-env.service docker.service
[Service]
Type=oneshot
RemainAfterExit=yes
TimeoutStartSec=0
EnvironmentFile=/etc/network-environment
ExecStart=/bin/bash -c '/usr/bin/envsubst </etc/kubernetes/config/kubelet.yaml.tmpl >/etc/kubernetes/config/kubelet.yaml'
[Install]
WantedBy=multi-user.target
- name: containerd.service
enabled: true
contents: |
dropins:
- name: 10-change-cgroup.conf
contents: |
[Service]
CPUAccounting=true
MemoryAccounting=true
Slice=kubereserved.slice
- name: docker.service
enabled: true
contents: |
dropins:
- name: 10-giantswarm-extra-args.conf
contents: |
[Service]
CPUAccounting=true
MemoryAccounting=true
Slice=kubereserved.slice
Environment="DOCKER_CGROUPS=--exec-opt native.cgroupdriver=cgroupfs --cgroup-parent=/kubereserved.slice --log-opt max-size=25m --log-opt max-file=2 --log-opt labels=io.kubernetes.container.hash,io.kubernetes.container.name,io.kubernetes.pod.name,io.kubernetes.pod.namespace,io.kubernetes.pod.uid"
Environment="DOCKER_OPT_BIP=--bip={{.Cluster.Docker.Daemon.CIDR}}"
Environment="DOCKER_OPTS=--live-restore --icc=false --userland-proxy=false"
- name: k8s-setup-network-env.service
enabled: true
contents: |
[Unit]
Description=k8s-setup-network-env Service
Wants=network.target docker.service wait-for-domains.service
After=network.target docker.service wait-for-domains.service
[Service]
Type=oneshot
TimeoutStartSec=0
Environment="IMAGE={{.Cluster.Kubernetes.NetworkSetup.Docker.Image}}"
Environment="NAME=%p.service"
ExecStartPre=/usr/bin/mkdir -p /opt/bin/
ExecStartPre=/usr/bin/docker pull $IMAGE
ExecStartPre=-/usr/bin/docker stop -t 10 $NAME
ExecStartPre=-/usr/bin/docker rm -f $NAME
ExecStart=/usr/bin/docker run --rm --net=host -v /etc:/etc --name $NAME $IMAGE
ExecStop=-/usr/bin/docker stop -t 10 $NAME
ExecStopPost=-/usr/bin/docker rm -f $NAME
[Install]
WantedBy=multi-user.target
- name: k8s-kubelet.service
enabled: true
contents: |
[Unit]
Wants=k8s-setup-network-env.service k8s-setup-kubelet-config.service
After=k8s-setup-network-env.service k8s-setup-kubelet-config.service
Description=k8s-kubelet
StartLimitIntervalSec=0
[Service]
TimeoutStartSec=300
Restart=always
RestartSec=0
TimeoutStopSec=10
CPUAccounting=true
MemoryAccounting=true
Slice=kubereserved.slice
EnvironmentFile=/etc/network-environment
Environment="IMAGE={{ .Images.Hyperkube }}"
Environment="NAME=%p.service"
Environment="PATH=/opt/bin/:/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin"
ExecStartPre=/usr/bin/docker pull $IMAGE
ExecStartPre=-/usr/bin/docker stop -t 10 $NAME
ExecStartPre=-/usr/bin/docker rm -f $NAME
ExecStart=/bin/sh -c "/usr/bin/docker run --rm --pid=host --net=host --privileged=true \
{{ range .Hyperkube.Kubelet.Docker.RunExtraArgs -}}
{{ . }} \
{{ end -}}
-v /:/rootfs:ro,rshared \
-v /sys:/sys:ro \
-v /dev:/dev:rw \
-v /var/log:/var/log:rw \
-v /run/calico/:/run/calico/:rw \
-v /run/docker/:/run/docker/:rw \
-v /run/docker.sock:/run/docker.sock:rw \
-v /usr/bin/docker:/usr/bin/docker \
-v /run/metadata/torcx:/run/metadata/torcx \
-v /run/torcx/:/run/torcx/ \
-v /usr/lib/os-release:/etc/os-release \
-v /usr/share/ca-certificates/:/etc/ssl/certs \
-v /var/lib/calico/:/var/lib/calico \
-v /var/lib/docker/:/var/lib/docker:rw,rshared \
-v /var/lib/kubelet/:/var/lib/kubelet:rw,rshared \
-v /etc/kubernetes/ssl/:/etc/kubernetes/ssl/ \
-v /etc/kubernetes/config/:/etc/kubernetes/config/ \
-v /etc/kubernetes/kubeconfig/:/etc/kubernetes/kubeconfig/ \
-v /etc/cni/net.d/:/etc/cni/net.d/ \
-v /opt/cni/bin/:/opt/cni/bin/ \
-v /opt/bin:/opt/bin \
-v /usr/sbin/iscsiadm:/usr/sbin/iscsiadm \
-v /etc/iscsi/:/etc/iscsi/ \
-v /dev/disk/by-path/:/dev/disk/by-path/ \
-v /dev/mapper/:/dev/mapper/ \
-v /lib/modules:/lib/modules \
-v /usr/sbin/mkfs.xfs:/usr/sbin/mkfs.xfs \
-v /usr/lib64/libxfs.so.0:/usr/lib/libxfs.so.0 \
-v /usr/lib64/libxcmd.so.0:/usr/lib/libxcmd.so.0 \
-v /usr/lib64/libreadline.so.7:/usr/lib/libreadline.so.7 \
-e ETCD_CA_CERT_FILE=/etc/kubernetes/ssl/etcd/client-ca.pem \
-e ETCD_CERT_FILE=/etc/kubernetes/ssl/etcd/client-crt.pem \
-e ETCD_KEY_FILE=/etc/kubernetes/ssl/etcd/client-key.pem \
-e PATH \
--name $NAME \
$IMAGE \
/hyperkube kubelet \
{{ range .Hyperkube.Kubelet.Docker.CommandExtraArgs -}}
{{ . }} \
{{ end -}}
--node-ip=${DEFAULT_IPV4} \
--config=/etc/kubernetes/config/kubelet.yaml \
--containerized \
--enable-server \
--logtostderr=true \
--cloud-provider={{.Cluster.Kubernetes.CloudProvider}} \
--image-pull-progress-deadline={{.ImagePullProgressDeadline}} \
--network-plugin=cni \
--register-node=true \
--feature-gates=TTLAfterFinished=true \
--kubeconfig=/etc/kubernetes/kubeconfig/kubelet.yaml \
--node-labels="node.kubernetes.io/worker,node-role.kubernetes.io/worker,kubernetes.io/role=worker,role=worker,ip=${DEFAULT_IPV4},{{.Cluster.Kubernetes.Kubelet.Labels}}" \
--v=2"
ExecStop=-/usr/bin/docker stop -t 10 $NAME
ExecStopPost=-/usr/bin/docker rm -f $NAME
[Install]
WantedBy=multi-user.target
- name: etcd2.service
enabled: false
mask: true
- name: update-engine.service
enabled: false
mask: true
- name: locksmithd.service
enabled: false
mask: true
- name: fleet.service
enabled: false
mask: true
- name: fleet.socket
enabled: false
mask: true
- name: flanneld.service
enabled: false
mask: true
- name: systemd-networkd-wait-online.service
enabled: false
mask: true
storage:
files:
- path: /etc/ssh/trusted-user-ca-keys.pem
filesystem: root
mode: 0644
contents:
source: "data:text/plain;base64,{{ index .Files "conf/trusted-user-ca-keys.pem" }}"
- path: /etc/kubernetes/config/kubelet.yaml.tmpl
filesystem: root
mode: 0644
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "config/kubelet-worker.yaml.tmpl" }}"
- path: /etc/kubernetes/kubeconfig/kubelet.yaml
filesystem: root
mode: 0644
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "kubeconfig/kubelet-worker.yaml" }}"
- path: /etc/kubernetes/config/proxy-config.yml
filesystem: root
mode: 0644
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "config/kube-proxy.yaml" }}"
- path: /etc/kubernetes/config/proxy-kubeconfig.yaml
filesystem: root
mode: 0644
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "kubeconfig/kube-proxy-worker.yaml" }}"
- path: /etc/kubernetes/kubeconfig/kube-proxy.yaml
filesystem: root
mode: 0644
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "kubeconfig/kube-proxy-worker.yaml" }}"
- path: /opt/wait-for-domains
filesystem: root
mode: 0544
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "conf/wait-for-domains" }}"
- path: /etc/ssh/sshd_config
filesystem: root
mode: 0644
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "conf/sshd_config" }}"
- path: /etc/sysctl.d/hardening.conf
filesystem: root
mode: 0600
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "conf/hardening.conf" }}"
- path: /etc/audit/rules.d/10-docker.rules
filesystem: root
mode: 0600
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "conf/10-docker.rules" }}"
- path: /etc/modules-load.d/ip_vs.conf
filesystem: root
mode: 0600
contents:
source: "data:text/plain;charset=utf-8;base64,{{ index .Files "conf/ip_vs.conf" }}"
{{ range .Extension.Files -}}
- path: {{ .Metadata.Path }}
filesystem: root
user:
{{- if .Metadata.Owner.User.ID }}
id: {{ .Metadata.Owner.User.ID }}
{{- else }}
name: {{ .Metadata.Owner.User.Name }}
{{- end }}
group:
{{- if .Metadata.Owner.Group.ID }}
id: {{ .Metadata.Owner.Group.ID }}
{{- else }}
name: {{ .Metadata.Owner.Group.Name }}
{{- end }}
mode: {{printf "%#o" .Metadata.Permissions}}
contents:
source: "data:text/plain;charset=utf-8;base64,{{ .Content }}"
{{ if .Metadata.Compression }}
compression: gzip
{{end}}
{{ end -}}
{{ range .Extension.VerbatimSections }}
{{ .Content }}
{{ end }}
`