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# -*- coding: utf-8 -*-
"""
High level operations used for updating, rolling back, locking ect.
"""
#external imports
import sys
#internal imports
import subuserlib.verify
#####################################################################################
def all(user,permissionsAccepter,prompt=False,useCache=False):
"""
This command updates(if needed) all of the installed subuser images.
"""
user.registry.log("Updating...")
for _,repository in user.registry.repositories.items():
repository.updateSources()
subusers = user.registry.subusers.getSortedList()
subuserlib.verify.verify(user,checkForUpdatesExternally=True,useCache=useCache,subusers=subusers,permissionsAccepter=permissionsAccepter,prompt=prompt)
user.registry.commit()
def subusers(user,subusers,permissionsAccepter,prompt=False,useCache=False):
"""
This command updates the specified subusers' images.
"""
user.registry.log("Updating...")
for _,repository in user.registry.repositories.items():
repository.updateSources()
subuserlib.verify.verify(user,subusers=subusers,useCache=useCache,checkForUpdatesExternally=True,permissionsAccepter=permissionsAccepter,prompt=prompt)
user.registry.commit()
def lockSubuser(user,subuser,commit):
"""
Lock the subuser to the image and permissions that it had at a given registry commit.
"""
from subuserlib.classes.user import User
from subuserlib.classes.registry import Registry
oldUser = User(name=user.name,homeDir=user.homeDir)
oldUser.registry = Registry(oldUser,gitReadHash=commit,ignoreVersionLocks=True,initialized=True)
if not oldUser.registry.gitRepository.doesCommitExist(commit):
sys.exit("Commit "+commit+" does not exist. Cannot lock to commit.")
try:
oldSubuser = oldUser.registry.subusers[subuser.name]
except KeyError:
sys.exit("Subuser, "+subuser.name+" did not exist yet at commit "+commit+". Cannot lock to commit.")
subuser.imageId = oldSubuser.imageId
oldSubuser.permissions.save(_have_lock=True)
oldSubuser.getPermissionsTemplate().save(_have_lock=True)
user.registry.logChange("Locking subuser "+subuser.name+" to commit: "+commit)
user.registry.logChange("New image id is "+subuser.imageId)
subuser.locked = True
subuserlib.verify.verify(user)
user.registry.commit()
def unlockSubuser(user,subuser,permissionsAccepter,prompt):
"""
Unlock the subuser, leaving it to have an up to date image. Delete user set permissions if unlockPermissions is True.
"""
if subuser.locked:
user.registry.logChange("Unlocking subuser "+subuser.name)
subuser.locked = False
subuserlib.verify.verify(user,subusers=[subuser],checkForUpdatesExternally=True,permissionsAccepter=permissionsAccepter,prompt=prompt)
user.registry.commit()
else:
user.registry.log("Subuser "+subuser.name + " is not locked. Doing nothing.")
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