Last change
on this file since 1110 was
1095,
checked in by broder, 16 years ago
|
Fix a SQLAlchemy bug in the web ACL caching code
|
File size:
1.8 KB
|
Rev | Line | |
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[249] | 1 | #!/usr/bin/python |
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[863] | 2 | from invirt.database import * |
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[879] | 3 | from invirt.config import structs as config |
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[249] | 4 | import sys |
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| 5 | import getafsgroups |
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| 6 | import subprocess |
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| 7 | |
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| 8 | def expandLocker(name): |
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| 9 | groups = getafsgroups.getLockerAcl(name) |
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| 10 | cell = getafsgroups.getCell(name) |
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| 11 | ans = set() |
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| 12 | for group in groups: |
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| 13 | if ':' in group: |
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| 14 | ans.update(getafsgroups.getAfsGroupMembers(group, cell)) |
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| 15 | else: |
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| 16 | ans.add(group) |
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| 17 | return ans |
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| 18 | |
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| 19 | def isUser(name): |
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| 20 | p = subprocess.Popen(['vos', 'examine', 'user.'+name], |
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| 21 | stdout=subprocess.PIPE, stderr=subprocess.PIPE) |
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| 22 | if p.wait(): |
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| 23 | return False |
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| 24 | return True |
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| 25 | |
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| 26 | |
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| 27 | def expandName(name): |
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| 28 | if ':' not in name: |
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| 29 | if isUser(name): |
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| 30 | return [name] |
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[434] | 31 | return [] |
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[413] | 32 | try: |
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[879] | 33 | return getafsgroups.getAfsGroupMembers(name, config.authz[0].cell) |
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[413] | 34 | except getafsgroups.AfsProcessError: |
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| 35 | return [] |
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[249] | 36 | |
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[410] | 37 | def accessList(m): |
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[263] | 38 | people = set() |
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| 39 | people.update(expandLocker(m.owner)) |
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| 40 | people.update(expandName(m.administrator)) |
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[410] | 41 | return people |
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| 42 | |
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| 43 | def refreshMachine(m): |
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| 44 | people = accessList(m) |
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[263] | 45 | old_people = set(a.user for a in m.acl) |
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| 46 | for removed in old_people - people: |
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| 47 | ma = [x for x in m.acl if x.user == removed][0] |
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[1013] | 48 | session.delete(ma) |
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[263] | 49 | for p in people - old_people: |
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[589] | 50 | ma = MachineAccess(user=p) |
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| 51 | m.acl.append(ma) |
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[1013] | 52 | session.save_or_update(ma) |
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[263] | 53 | |
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[262] | 54 | def refreshCache(): |
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[1013] | 55 | session.begin() |
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[257] | 56 | |
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| 57 | try: |
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[1095] | 58 | machines = Machine.query().all() |
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[257] | 59 | for m in machines: |
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[263] | 60 | refreshMachine(m) |
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[1013] | 61 | session.flush() |
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[257] | 62 | |
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| 63 | # Atomically execute our changes |
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[1013] | 64 | session.commit() |
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[257] | 65 | except: |
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| 66 | # Failed! Rollback all the changes. |
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[1013] | 67 | session.rollback() |
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[257] | 68 | raise |
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[262] | 69 | |
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| 70 | if __name__ == '__main__': |
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[863] | 71 | connect() |
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[262] | 72 | refreshCache() |
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