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Set Kubelet image via kubelet.service KUBELET_IMAGE

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* Write the systemd kubelet.service to use `KUBELET_IMAGE`
as the Kubelet. This provides a nice way to use systemd
dropins to temporarily override the image (e.g. during a
registry outage)

Note: Only Typhoon Kubelet images and registries are supported.
This commit is contained in:
Dalton Hubble
2020-05-19 22:39:53 -07:00
parent 09eb208b4e
commit 4760543356
20 changed files with 40 additions and 20 deletions
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3
bare-metal/fedora-coreos/kubernetes/fcc/controller.yaml
View File

@ -53,6 +53,7 @@ systemd:
Description=Kubelet (System Container)
Wants=rpc-statd.service
[Service]
Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.18.2
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -80,7 +81,7 @@ systemd:
--volume /opt/cni/bin:/opt/cni/bin:z \
--volume /etc/iscsi:/etc/iscsi \
--volume /sbin/iscsiadm:/sbin/iscsiadm \
quay.io/poseidon/kubelet:v1.18.2 \
$${KUBELET_IMAGE} \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \

3
bare-metal/fedora-coreos/kubernetes/fcc/worker.yaml
View File

@ -23,6 +23,7 @@ systemd:
Description=Kubelet (System Container)
Wants=rpc-statd.service
[Service]
Environment=KUBELET_IMAGE=quay.io/poseidon/kubelet:v1.18.2
ExecStartPre=/bin/mkdir -p /etc/kubernetes/cni/net.d
ExecStartPre=/bin/mkdir -p /etc/kubernetes/manifests
ExecStartPre=/bin/mkdir -p /opt/cni/bin
@ -50,7 +51,7 @@ systemd:
--volume /opt/cni/bin:/opt/cni/bin:z \
--volume /etc/iscsi:/etc/iscsi \
--volume /sbin/iscsiadm:/sbin/iscsiadm \
quay.io/poseidon/kubelet:v1.18.2 \
$${KUBELET_IMAGE} \
--anonymous-auth=false \
--authentication-token-webhook \
--authorization-mode=Webhook \