projects / ceph.git / blame
| Commit | Line | Data |
|---|---|---|
| 7c673cae FG |
1 | #!/bin/sh |
| 2 | # | |
| 3 | # Generate a CRUSH location for the given entity | |
| 4 | # | |
| 5 | # The CRUSH location consists of a list of key=value pairs, separated | |
| 6 | # by spaces, all on a single line. This describes where in CRUSH | |
| 7 | # hierarhcy this entity should be placed. | |
| 8 | # | |
| 9 | # Arguments: | |
| 10 | # --cluster <clustername> name of the cluster (see /etc/ceph/$cluster.conf) | |
| 11 | # --type <osd|mds|client> daemon/entity type | |
| 12 | # --id <id> id (osd number, mds name, client name) | |
| 13 | # | |
| 14 | ||
| 15 | # if we start up as ./ceph-crush-location, assume everything else is | |
| 16 | # in the current directory too. | |
| 17 | if [ `dirname $0` = "." ] && [ $PWD != "/usr/bin" ]; then | |
| 18 | BINDIR=. | |
| 19 | SBINDIR=. | |
| 20 | LIBDIR=. | |
| 21 | ETCDIR=. | |
| 22 | else | |
| 23 | BINDIR=@bindir@ | |
| 24 | SBINDIR=@prefix@/sbin | |
| 25 | LIBDIR=@libdir@/ceph | |
| 26 | ETCDIR=@sysconfdir@/ceph | |
| 27 | fi | |
| 28 | ||
| 29 | usage_exit() { | |
| 30 | echo "usage: $0 [--cluster <cluster>] --id <id> --type <osd|mds|client>" | |
| 31 | exit | |
| 32 | } | |
| 33 | ||
| 34 | cluster="ceph" | |
| 35 | type="" | |
| 36 | id="" | |
| 37 | while [ $# -ge 1 ]; do | |
| 38 | case $1 in | |
| 39 | --cluster | -C) | |
| 40 | shift | |
| 41 | cluster="$1" | |
| 42 | shift | |
| 43 | ;; | |
| 44 | --id | -i) | |
| 45 | shift | |
| 46 | id="$1" | |
| 47 | shift | |
| 48 | ;; | |
| 49 | --type | -t) | |
| 50 | shift | |
| 51 | type="$1" | |
| 52 | shift | |
| 53 | ;; | |
| 54 | *) | |
| 55 | echo "unrecognized option '$1'" | |
| 56 | usage_exit | |
| 57 | ;; | |
| 58 | esac | |
| 59 | done | |
| 60 | ||
| 61 | if [ -z "$type" ]; then | |
| 62 | echo "must specify entity type" | |
| 63 | usage_exit | |
| 64 | fi | |
| 65 | ||
| 66 | if [ -z "$id" ]; then | |
| 67 | echo "must specify id" | |
| 68 | usage_exit | |
| 69 | fi | |
| 70 | ||
| 71 | # try a generic location | |
| 72 | location="$($BINDIR/ceph-conf --cluster=${cluster:-ceph} --name=$type.$id --lookup crush_location || :)" | |
| 73 | if [ -n "$location" ]; then | |
| 74 | echo $location | |
| 75 | exit 0 | |
| 76 | fi | |
| 77 | ||
| 78 | # spit out something generic | |
| 79 | echo "host=$(hostname -s) root=default" | |
| 80 |