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Add initcontainer to dind #5817

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merged 2 commits into from
Mar 28, 2025
Merged

Add initcontainer to dind #5817

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02abe29
Add initcontainer to dind
yuvipanda Mar 28, 2025
144ac65
[pre-commit.ci] auto fixes from pre-commit.com hooks
pre-commit-ci[bot] Mar 28, 2025
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19 changes: 19 additions & 0 deletions helm-charts/basehub/values.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -23,6 +23,25 @@ binderhub-service:
# that will be accessible via a unix socket, mounted by the build.
# The docker-api pod must run on the same node as the builder pods.
dockerApi:
initContainers:
- name: block-nfs-access
command:
- /bin/sh
- -c
- |
iptables --append OUTPUT --protocol tcp --destination-port 2049 --jump DROP \
&& iptables --append OUTPUT --protocol tcp --destination-port 20048 --jump DROP \
&& iptables --append OUTPUT --protocol tcp --destination-port 111 --jump DROP \
&& iptables --append OUTPUT --protocol udp --destination-port 2049 --jump DROP \
&& iptables --append OUTPUT --protocol udp --destination-port 20048 --jump DROP \
&& iptables --append OUTPUT --protocol udp --destination-port 111 --jump DROP
image: quay.io/jupyterhub/k8s-network-tools:4.1.0
securityContext:
capabilities:
add:
- NET_ADMIN
privileged: true
runAsUser: 0
nodeSelector:
hub.jupyter.org/node-purpose: user
tolerations:
Expand Down