Recover from hook errors when creating/deleting MySQL users #165
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Fixes #157 Previously, the charm assumed that if a user was created or deleted that the databag would be updated accordingly. However, if a user is created or deleted and the event/hook fails, the user creation/deletion will go through for MySQL but the databag will not be updated (since the event failed). When the event is retried, the charm tried to create a user that already exists or delete a user that doesn't exist
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Fixes #157
Previously, the charm assumed that if a user was created or deleted that the databag would be updated accordingly. However, if a user is created or deleted and the event/hook fails, the user creation/deletion will go through for MySQL but the databag will not be updated (since the event failed). When the event is retried, the charm tried to create a user that already exists or delete a user that doesn't exist