Revision d3b790bb lib/uidpool.py
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def RequestUnusedUid(all_uids): |
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"""Tries to find an unused uid from the uid-pool, locks it and returns it. |
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Usage pattern: |
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Usage pattern |
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============= |
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1) When starting a process
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1. When starting a process::
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from ganeti import ssconf |
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from ganeti import uidpool |
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# Get list of all user-ids in the uid-pool from ssconf |
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ss = ssconf.SimpleStore() |
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uid_pool = uidpool.ParseUidPool(ss.GetUidPool(), separator="\n") |
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uid_pool = uidpool.ParseUidPool(ss.GetUidPool(), separator="\\n")
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all_uids = set(uidpool.ExpandUidPool(uid_pool)) |
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uid = uidpool.RequestUnusedUid(all_uids) |
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# Return the UID to the pool |
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uidpool.ReleaseUid(uid) |
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2) Stopping a process
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2. Stopping a process::
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from ganeti import uidpool |
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