Created
April 4, 2013 11:28
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If you want to generate a hosts file with OpenStack nova, this little gem should set you straight. The last little bit pulls out any instances which don't have a private IP. In this case, we're assuming that our subnet begins with '10'. Feel free to change for whatever else you like.
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| $ nova list | awk 'BEGIN {FS="[|=,]"} {gsub(/[[:space:]]+/,"",$3);gsub(/[[:space:]]+/,"",$6); print $6" "$3}' | tail -n +3 | grep 10 | |
| 10.1.1.141 Server2592 | |
| 10.1.1.136 Server2598 | |
| 10.1.1.140 Server2599 | |
| 10.1.1.138 Server2600 | |
| 10.1.1.143 Server2601 | |
| 10.1.1.147 Server2602 |
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