misc: snapshotter: Add k3s and rke2 overlays to the snapshotter daemonset
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fidencio
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Let's have it under `base`, as we want to add a few overlays in order to make sure this will work as expected with kubernetes flavours such as `k3s`, or `rke2`. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
In order to be able to override this accordingly to the kubernetes flavour being used, we want to make it slightly more flexible on our end and pass the directory instead of the file itself. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
We're doing this in order to, later on this series, use kubectl to determine which kubernetes flavour we're running on the node. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
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cc @ChengyuZhu6 |
imeoer
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Feb 1, 2024
Right now this is very basic and simply will let us know whether we're running on a node that's using containerd or not. This ended up with the move of parts of the logic on detecting containerd and containerd configuration files being removed from a few specific functions and being put directly into the main one. In the coming patches of this series we'll expand it to also detect other kubernetes flavours, such as `k3s` or `rke2`. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
With these changes we're now able to also run the nydus-snapshotter daemonset on `k3s` clusters. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
With these changes we're now able to also run the nydus-snapshotter daemonset on `rke2` clusters. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
Differently than `k3s` or `rke2`, getting `k0s` to work as expected is quite tricky, as it relies on a drop-in configuration file, and I'm not so confident we can easily drop-in a file with all the needed bits. With this in mind, at least for now, let's just error out in case k0s is used, as at least this will make sure that the users will at least have a clue on what's been gone wrong. Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
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@imeoer, I'm trying to understand whether the E2E failures are related to this PR or not. |
Let's make sure the ClusterRole, ClusterRoleBinding, and the correct environment variables (such as NODE_NAME) are properly set as part of the E2E tests. Signed-off-by: ChengyuZhu6 <chengyu.zhu@intel.com> Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>
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LGTM @fidencio ! |
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@imeoer, I was able to get the full Ci green, please, let me know if anything else is needed from my side. |
ChengyuZhu6
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Feb 1, 2024
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This is a small series that brings support to using the nydus-snapshotter daemonset with different flavours of kubernetes.
The background of why we're doing this, is mainly because we rely on those in the Kata Containers CI.
Please, take a look at each commit message for more details.