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author | Richard Maw <richard.maw@codethink.co.uk> | 2013-06-04 13:20:18 +0000 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2013-06-05 13:12:41 +0000 |
commit | 9f2c6c5be253482f1dfb0534d8505a684e8960d4 (patch) | |
tree | 92a99a4ecba196d9b629b7c37d2405360a656bf8 /morphlib/app.py | |
parent | 25cec515bbabe4acbc84e05ed3725f06fbe89d90 (diff) | |
download | morph-9f2c6c5be253482f1dfb0534d8505a684e8960d4.tar.gz |
S7904: add new config options for minimum sizes
Diffstat (limited to 'morphlib/app.py')
-rw-r--r-- | morphlib/app.py | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/morphlib/app.py b/morphlib/app.py index 47dc02bf..a278b529 100644 --- a/morphlib/app.py +++ b/morphlib/app.py @@ -134,6 +134,34 @@ class Morph(cliapp.Application): metavar='DIR', group=group_storage, default=None) + # The tempdir default size of 4G comes from the staging area needing to + # be the size of the largest known system, plus the largest repository, + # plus the largest working directory. + # The largest system is 2G, linux is the largest git repository at + # 700M, the checkout of this is 600M. This is rounded up to 4G because + # there are likely to be file-system overheads. + self.settings.bytesize(['tempdir-min-space'], + 'Immediately fail to build if the directory ' + 'specified by tempdir has less space remaining ' + 'than SIZE bytes (default: %default)', + metavar='SIZE', + group=group_storage, + default='4G') + # The cachedir default size of 4G comes from twice the size of the + # largest system artifact. + # It's twice the size because it needs space for all the chunks that + # make up the system artifact as well. + # The git cache and ccache are also kept in cachedir, but it's hard to + # estimate size needed for the git cache, and it tends to not grow + # too quickly once everything is checked out. + # ccache is self-managing so does not need much extra attention + self.settings.bytesize(['cachedir-min-space'], + 'Immediately fail to build if the directory ' + 'specified by cachedir has less space ' + 'remaining than SIZE bytes (default: %default)', + metavar='SIZE', + group=group_storage, + default='4G') # These cannot be removed just yet because existing morph.conf files # would fail to parse. |