Commits on Dec 21, 2023

1. kata-deploy: Allow setting up snapshotters per runtime handler …

   Since containerd 1.7.0 we can easily set a specific snapshotter to be
   used with a runtime handler, and we should take advantage of this,
   mostly as it'll help setting up any runtime using devmapper or nydus
   snapshotters.
   
   This implementation here has a few caveats:
   * The format expected for the SNAPSHOTTER_HANDLER_MAPPING is:
     `shim:snapshotter,shim:snapshotter,...`
   * It only works with containerd 1.7 or newer
   * We **never** change the default containerd snapshotter
   * We don't do any check on our side to verify whether the snapshotter
     required is properly deployed
   * Users will have to add an annotation to their pods, in order to use
     the snapshotter set up per runtime handler
     * Example:
       ```
       metadata:
         ...
         annotations:
           io.containerd.cri.runtime-handler: kata-fc
       ```
   
   Fixes: kata-containers#8615
   
   Signed-off-by: Fabiano Fidêncio <fabiano.fidencio@intel.com>

   

   fidencio committed Dec 21, 2023
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