services:cephfs
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services:cephfs [2025/12/17 14:13] pdonnell [Mounting all Sepia CephFS file systems] |
services:cephfs [2025/12/17 14:53] (current) pdonnell [Mounting all Sepia CephFS file systems] |
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| <code bash> | <code bash> | ||
| + | |||
| sudo mkdir -p -m 755 /etc/ceph | sudo mkdir -p -m 755 /etc/ceph | ||
| ssh doli01.front.sepia.ceph.com 'env CEPH_KEYRING=/etc/ceph/client.sepian.keyring ceph --id sepian config generate-minimal-conf' | sudo tee /etc/ceph/ceph.conf | ssh doli01.front.sepia.ceph.com 'env CEPH_KEYRING=/etc/ceph/client.sepian.keyring ceph --id sepian config generate-minimal-conf' | sudo tee /etc/ceph/ceph.conf | ||
| sudo chmod 644 /etc/ceph/ceph.conf | sudo chmod 644 /etc/ceph/ceph.conf | ||
| - | ssh doli01.front.sepia.ceph.com 'cat /etc/ceph/client.sepian.keyring' | sudo tee /etc/ceph/client.sepian.keyring | + | ssh doli01.front.sepia.ceph.com 'cat /etc/ceph/client.sepian.keyring' | sudo tee /etc/ceph/client.sepian.keyring | sudo tee -a /etc/ceph/keyring |
| sudo chmod 644 /etc/ceph/client.sepian.keyring | sudo chmod 644 /etc/ceph/client.sepian.keyring | ||
| ssh doli01.front.sepia.ceph.com 'ceph-authtool /etc/ceph/client.sepian.keyring -n client.sepian -p' | sudo tee /etc/ceph/client.sepian.secret | ssh doli01.front.sepia.ceph.com 'ceph-authtool /etc/ceph/client.sepian.keyring -n client.sepian -p' | sudo tee /etc/ceph/client.sepian.secret | ||
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| ==== Mounting all Sepia CephFS file systems ==== | ==== Mounting all Sepia CephFS file systems ==== | ||
| + | |||
| + | **Note**: you need the ''mount.ceph'' program installed to use this mount syntax. It is usually part of the ''ceph-common'' package. | ||
| Generate mounts for your ''/etc/fstab'' using the script below. Copy it locally, mark it executable, and run: | Generate mounts for your ''/etc/fstab'' using the script below. Copy it locally, mark it executable, and run: | ||
| Line 30: | Line 33: | ||
| <code bash> | <code bash> | ||
| #!/bin/bash | #!/bin/bash | ||
| + | |||
| + | set -ex | ||
| function genmount { | function genmount { | ||
| Line 35: | Line 40: | ||
| local mntpnt="$2" | local mntpnt="$2" | ||
| local fsname="$3" | local fsname="$3" | ||
| - | | + | |
| local secret=$(sudo cat /etc/ceph/client.sepian.secret) | local secret=$(sudo cat /etc/ceph/client.sepian.secret) | ||
| # create mountpoint | # create mountpoint | ||
| - | sudo mkdir -p -- "$2" | + | sudo mkdir -p -- "$mntpnt" || true |
| # make the mountpoint directory (shadowed) unwriteable to prevent accidental modification | # make the mountpoint directory (shadowed) unwriteable to prevent accidental modification | ||
| - | sudo chmod 000 -- "$2" | + | sudo chmod 000 -- "$mntpnt" || true |
| # set it immutable to enforce that even for root | # set it immutable to enforce that even for root | ||
| - | sudo chattr +i -- "$2" | + | sudo chattr +i -- "$mntpnt" || true |
| - | printf 'sepian@b6f4aaad-d45d-11f0-b949-905a08286547.%s=%s\t%s\tceph\t_netdev\t0\t0' "$path" "$mntpnt" "$fsname" | + | printf 'sepian@b6f4aaad-d45d-11f0-b949-905a08286547.%s=%s\t%s\tceph\t_netdev\t0\t0\n' "$fsname" "$path" "$mntpnt" |
| } | } | ||
| + | |||
| genmount /teuthology-archive /teuthology teuthology | sudo tee -a /etc/fstab | genmount /teuthology-archive /teuthology teuthology | sudo tee -a /etc/fstab | ||
| genmount / /scratch scratch | sudo tee -a /etc/fstab | genmount / /scratch scratch | sudo tee -a /etc/fstab | ||
| - | genmount / /postfile postfile | sudo tee -a /etc/fstab | ||
| </code> | </code> | ||
services/cephfs.1765980832.txt.gz · Last modified: 2025/12/17 14:13 by pdonnell
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