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Latest revisions

# Date Author Comment
64df329d 02/19/2014 03:45 pm Klaus Aehlig

Verify that every owner mentioned as blocking actually is

If a request is blocked by multiple lock owners, verify that each
single one of them actually blocks the request. In other words,
verify that, whenever all but one release their lock, the request
still does not succeed....
9bf17b50 02/19/2014 03:45 pm Klaus Aehlig

Verify that the set of blocking owners is big enough

When a request is blocked, the list of blocking owners
should exhaust all blocking reasons, i.e., if those
owners release all their locks, the update must succeed.

Signed-off-by: Klaus Aehlig <>...
80004e70 02/19/2014 03:45 pm Klaus Aehlig

Add a convenience function to free all locks of an owner

While freeing all locks of a single owner can easily be defined
out of listLocks and updateLocks, it is worth having this function
in its own right. For example, it will be needed when the death of...
619b12df 02/19/2014 03:45 pm Klaus Aehlig

Make TestLock an instance of Lock

Equip the type of test locks with a simple group structure
consisting of two lock groups and a big lock.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>
75033afd 02/19/2014 03:45 pm Klaus Aehlig

Make GanetiLocks an instance of Lock

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>
91e5d533 02/19/2014 03:45 pm Klaus Aehlig

Add a type class describing types that can serve as locks

Besides the lock order and Show, an additional datum is needed in order
to describe lock inclusion, used, e.g., for group locks. So add a type
class describing this property.

Signed-off-by: Klaus Aehlig <>...
a9c3ba29 02/19/2014 03:45 pm Klaus Aehlig

Verify that releasing a lock always succeeds

There are no restrictions on releasing a lock; so this operation
has to succeed unconditionally. Verify this.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>
c6d48e16 02/19/2014 03:45 pm Klaus Aehlig

Add missing documentation to exported function listLocks

The module Ganeti.Locking.Allocation exports the function listLocks,
hence a documentation string is required. Add it.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Petr Pudlak <>
93029a5b 02/19/2014 10:39 am Jose A. Lopes

Extend 'AssertIn' with an optional error message

Extend 'AssertIn' with an optional error message, thus making it
easier to find the cause of an error when errors occur during the QA.

Signed-off-by: Jose A. Lopes <>
Reviewed-by: Hrvoje Ribicic <>
e81d80bd 02/19/2014 10:39 am Jose A. Lopes

Add QA for instance communication with instance modify

Extend QA with tests related to feature that adds the instance
communication mechanism to running instances, via 'gnt-instance
modify'.

Signed-off-by: Jose A. Lopes <>
Reviewed-by: Hrvoje Ribicic <>

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