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docker-rootful: Increase inotify limits by default #1179

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docker-rootful: Increase inotify limits by default #1179

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9 changes: 9 additions & 0 deletions examples/docker-rootful.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -54,6 +54,15 @@ provision:
fi
export DEBIAN_FRONTEND=noninteractive
curl -fsSL https://get.docker.com | sh
- mode: system
script: |
#!/bin/bash
# Increase inotify limits to prevent nested Kubernetes control planes
# from crash looping.
set -eux -o pipefail
echo 'fs.inotify.max_user_watches = 524288' >> /etc/sysctl.conf
echo 'fs.inotify.max_user_instances = 512' >> /etc/sysctl.conf
sysctl --system
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Can we replicate this to docker.yaml, podman*.yaml, k8s.yaml, k3s.yaml too?

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good idea!

probes:
- script: |
#!/bin/bash
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9 changes: 9 additions & 0 deletions examples/docker.yaml
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Expand Up @@ -56,6 +56,15 @@ provision:
systemctl --user start dbus
dockerd-rootless-setuptool.sh install
docker context use rootless
- mode: system
script: |
#!/bin/bash
# Increase inotify limits to prevent nested Kubernetes control planes
# from crash looping.
set -eux -o pipefail
echo 'fs.inotify.max_user_watches = 524288' >> /etc/sysctl.conf
echo 'fs.inotify.max_user_instances = 512' >> /etc/sysctl.conf
sysctl --system
probes:
- script: |
#!/bin/bash
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10 changes: 9 additions & 1 deletion examples/k3s.yaml
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Expand Up @@ -41,7 +41,15 @@ provision:
script: |
#!/bin/sh
curl -sfL https://get.k3s.io | sh -

- mode: system
script: |
#!/bin/bash
# Increase inotify limits to prevent nested Kubernetes control planes
# from crash looping.
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Is this needed for k3s? If so, it should be needed for k8s.yaml too?

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As far as I know, it is only needed for k3d and kind - not for k3s and k8s

set -eux -o pipefail
echo 'fs.inotify.max_user_watches = 524288' >> /etc/sysctl.conf
echo 'fs.inotify.max_user_instances = 512' >> /etc/sysctl.conf
sysctl --system
probes:
- script: |
#!/bin/bash
Expand Down