I need to set some sysctls in a couple of my DeploymentConfigs for their
pods. I have followed
https://docs.openshift.com/container-platform/3.9/admin_guide/sysctls.html but
when I deploy the pods and exec in to the container, the sysctls are not
set. My dc file contains:
objects:
- kind: DeploymentConfig
apiVersion: v1
metadata:
name: cl
annotations:
security.alpha.kubernetes.io/sysctls:
net.ipv4.ip_local_port_range=9000 65500
security.alpha.kubernetes.io/unsafe-sysctls:
net.core.rmem_default=4194304,net.core.rmem_max=16777216,net.core.wmem_default=262144,net.core.wmem_max=16777216,net.ipv4.tcp_rmem=4096
87380 16777216,net.ipv4.tcp_wmem=4096 65536 16777216
spec:
and I have updated the node-config.yaml file with
kubeletArguments:
node-labels:
- role=app
experimental-allowed-unsafe-sysctls:
- "net.core.*,net.ipv4.tcp_rmem,net.ipv4.tcp_wmem"
On the minions I have the same values set for those sysctls at the host
level.
Any ideas on why this is successfully creating the pods but not setting the
sysctls? Has anyone gotten this to work?
Peter
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