[Bug 1229275] Re: [maas] juju destroy-environment also destroys nodes that are not controlled by juju

[James Page]

** Description changed:

- In a saucy MAAS environment, I had machines allocated to the admin user
- that were deployed using maas-cli (not using juju). These were perfectly
- running machines. However, while trying to use juju I noticed that a
- 'juju destroy-environment' put the machines that were 'allocated to
- admin' back to a 'Ready' state. These machines were not being used /
- controller by juju, but rather by maas-cli.
+ [Impact]
+ juju destroy-environment destroys all machines allocated to the MAAS user being used in the environment, not just the ones owned by Juju.
+ 
+ [Test Case]
+ Allocate machines using maas-cli
+ juju bootstrap
+ juju destroy-environment
+ (all machines are terminated and powered off)
+ 
+ [Regression Potential]
+ The fix is limited to the MAAS provider in the codebase; so regression potential is limited in scope of provider.
+ 
+ [Original Bug Report]
+ In a saucy MAAS environment, I had machines allocated to the admin user that were deployed using maas-cli (not using juju). These were perfectly running machines. However, while trying to use juju I noticed that a 'juju destroy-environment' put the machines that were 'allocated to admin' back to a 'Ready' state. These machines were not being used / controller by juju, but rather by maas-cli.
  
  This means that juju destroys all of the machines regardless of whether
  they are being used by juju or not.
  
  Related bugs:
-  * bug 1237398: "You'll need a separate MAAS key for each Juju environment" is wrong.
-  * bug 1081247: maas provider releases all nodes it did not allocate [does not play well with others]
-  * bug 1239488: Juju api client cannot distinguish between environments
+  * bug 1237398: "You'll need a separate MAAS key for each Juju environment" is wrong.
+  * bug 1081247: maas provider releases all nodes it did not allocate [does not play well with others]
+  * bug 1239488: Juju api client cannot distinguish between environments

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https://bugs.launchpad.net/bugs/1229275

Title:
  [maas] juju destroy-environment also destroys nodes that are not
  controlled by juju

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