parth-gr
2dd9b00ca3
Instead of checking the socket files for mds daemon, check the mds daemon in fs maps Closes: https://github.com/rook/rook/issues/12789 Signed-off-by: parth-gr <paarora@redhat.com>
29 lines
1.2 KiB
Bash
29 lines
1.2 KiB
Bash
#!/usr/bin/env bash
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# do not use 'set -e -u' etc. because it is important to only fail this probe when failure is certain
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# spurious failures risk destabilizing ceph or the filesystem
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MDS_ID="{{ .MdsId }}"
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FILESYSTEM_NAME="{{ .FilesystemName }}"
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KEYRING="{{ .Keyring }}"
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outp="$(ceph fs dump --mon-host="$ROOK_CEPH_MON_HOST" --mon-initial-members="$ROOK_CEPH_MON_INITIAL_MEMBERS" --keyring "$KEYRING" --format json)"
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rc=$?
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if [ $rc -ne 0 ]; then
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echo "ceph MDS dump check failed with the following output:"
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echo "$outp"
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echo "passing probe to avoid restarting MDS. cannot determine if MDS is unhealthy. restarting MDS risks destabilizing ceph/filesystem, which is likely unreachable or in error state"
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exit 0
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fi
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# get the active and standby MDS in the fs map
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standbyMds=$(echo "$outp" | jq ".standbys | map(.name) | any(.[]; . == \"$MDS_ID\")")
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activeMds=$(echo "$outp" | jq ".filesystems[] | select(.mdsmap.fs_name == \"$FILESYSTEM_NAME\") | .mdsmap.info | map(.name) | any(.[]; . == \"$MDS_ID\")")
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if [[ $standbyMds == true || $activeMds == true ]]; then
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echo "MDS ID present in MDS map, no need to re-start the container"
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exit 0
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fi
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echo "Error: MDS ID not present in MDS map"
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exit 1
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