apenwarr-redo/docs/cookbook/container/memcalc.py
Avery Pennarun 3923a7d3f8 cookbook/container: example of building+running docker containers.
This got... long... and complicated.  But I think it's a really good
demonstration of getting redo to do complicated things elegantly.  At
least, I hope it is.
2019-01-08 01:42:33 -05:00

8 lines
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Python
Executable file

#!/usr/bin/env python
import os, sys
st = os.stat(sys.argv[1])
megabytes = st.st_size // 1024 // 1024
# initrd size is limited to 50% of available RAM. To be safe, we'll
# request at least 3x initrd size, and no less than 64M.
need = megabytes * 3 + 64
print("%dM" % need)