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This is a Kubernetes DaemonSet definition that will install a custom certificate on the nodes and restart containerd. This is useful if your private registry is protected using a self-signed certificate. Not tested in production.
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apiVersion: v1 | |
kind: ConfigMap | |
metadata: | |
name: trusted-ca | |
namespace: kube-system | |
data: | |
ca.crt: |+ | |
-----BEGIN CERTIFICATE----- | |
MIIFkTCCA3mgAwIBAgIUCXaMcLg8teiGZ7o0dIQRIOdHEA8wDQYJKoZIhvcNAQEL | |
BQAweDELMAkGA1UEBhMCRlIxDDAKBgNVBAgMA04vQTEMMAoGA1UEBwwDTi9BMSAw | |
HgYDVQQKDBdTZWxmLXNpZ25lZCBjZXJ0aWZpY2F0ZTErMCkGA1UEAwwiMTIwLjAu | |
MC4xOiBTZWxmLXNpZ25lZCBjZXJ0aWZpY2F0ZTAeFw0yMTAzMjIxMjI3MzNaFw0y | |
MjAzMjIxMjI3MzNaMHgxCzAJBgNVBAYTAkZSMQwwCgYDVQQIDANOL0ExDDAKBgNV | |
BAcMA04vQTEgMB4GA1UECgwXU2VsZi1zaWduZWQgY2VydGlmaWNhdGUxKzApBgNV | |
BAMMIjEyMC4wLjAuMTogU2VsZi1zaWduZWQgY2VydGlmaWNhdGUwggIiMA0GCSqG | |
SIb3DQEBAQUAA4ICDwAwggIKAoICAQDBq3taUTimeeLuxo5ghdeKWOdt5wB7dv/y | |
U6Hqet0+iaQp2SlE/5cCz1QuCNmjwOcu4mr1mRSC8mShCUrk2p08y1CzFWmyXyNF | |
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Db25I8B2N4dshJsTAS9ORYmYMf6w64NEM6ahIM/krhwuHpCvijEk4cvJbaS1oagD | |
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uGb4ye9YhsH9QoRJscCsEmSpj3JyE1Mss2JdsEVEx2gUJf93SxwpkU0URTndej6P | |
YSP0HXGWrsGFmnq0ga8xOLU2dg+Hq7Mc8zGQ8LeQggQ3cRPto3Ww+bF0Ulo1R1q8 | |
8eApyv1Vuq+pdLrHrILO9Fyz1prb9zf695lB7flMMKb8WwpBkmAkNhYtGAB+Z3Vq | |
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6eHXpNjD9abxa3perbxIT/LYJ3ohYiY0mS8dqvOwnjtzCbkO7yzku31VeOQQNiJG | |
OeiyJARPKQIDAQABoxMwETAPBgNVHREECDAGhwQ0qV+pMA0GCSqGSIb3DQEBCwUA | |
A4ICAQAWLA10ReQMvxiZiKT1VdvUDcFcnayiu2F+GuIexRL9IuYIzmIy/iPYeNuK | |
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4XGBjn3xjgQgHGb1+ipNmwHZbrLwrtiEjyIdUWnLhoZ2YnuQg2494k4goQIltIo+ | |
kyqM9NHoAqNZN7xdhCHDDkgvY9tfhUKvywrAkVo2CcHxo6Bd8Cmk5wNKe2NO7XX+ | |
7zLzvusNQ0tHUAA+TuPZLyTDqSBTJGmnHPOuvrlisJNm/0SuhFpiuI4OUyl2ce6S | |
aI6rwjwSu6O0CSE5UHDJYcKfXBFxhcoumd490XSU426VIrpIqyZ/0AjMRQw3Egtx | |
+qxa8Y87E5PCDzrsbwklOT9JehFZTE4HIi6rRJGbcsIf241CaX6h6Z1s1Kt1mfTC | |
DvgtkOY2XRLtyHz9wqFdFbSY7fTRgPisXWwUr59tE2uXk4ZBQL5A7GISRq8Pr5hL | |
0qXh9DZKU/FNODy6fdDA12wmPZmhI5iUw+QOwbFXV7AYP9qR628K/BKLWYrdIp0V | |
YhP+zDNbfKxXMI1sROOwM9E7L5rABqCP3Jkm5fJq0ewxDswZsQ== | |
-----END CERTIFICATE----- | |
--- | |
apiVersion: v1 | |
kind: ConfigMap | |
metadata: | |
name: setup-script | |
namespace: kube-system | |
data: | |
setup.sh: | | |
echo "$TRUSTED_CERT" > /usr/local/share/ca-certificates/ca.crt && update-ca-certificates && systemctl restart containerd | |
--- | |
apiVersion: apps/v1 | |
kind: DaemonSet | |
metadata: | |
namespace: kube-system | |
name: node-custom-setup | |
labels: | |
k8s-app: node-custom-setup | |
spec: | |
selector: | |
matchLabels: | |
k8s-app: node-custom-setup | |
template: | |
metadata: | |
labels: | |
k8s-app: node-custom-setup | |
spec: | |
hostPID: true | |
hostNetwork: true | |
initContainers: | |
- name: init-node | |
command: ["nsenter"] | |
args: ["--mount=/proc/1/ns/mnt", "--", "sh", "-c", "$(SETUP_SCRIPT)"] | |
image: debian | |
env: | |
- name: TRUSTED_CERT | |
valueFrom: | |
configMapKeyRef: | |
name: trusted-ca | |
key: ca.crt | |
- name: SETUP_SCRIPT | |
valueFrom: | |
configMapKeyRef: | |
name: setup-script | |
key: setup.sh | |
securityContext: | |
privileged: true | |
containers: | |
- name: wait | |
image: k8s.gcr.io/pause:3.1 | |
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