Darragh Bailey be17ba67b2 Prevent race in key setup for accelerate daemon (#15299) ... Ensure that initial setup in creating the key directory for ansible accelerate mode keys, and generation/storage of the key for a particular host are completed in a multiprocess safe manner. Creating directories/files and then assigning permissions and contents to them means that paths may exist and satisfy the os.path.exists() method in python for other processes before they are usable. Use a combination of locking around operations with use of unique named files and an OS file system move to ensure that the conditions of checking whether a file or directory exists, where it is potentially created by another thread, will only succeed when the file has both the correct contents and permissions. Fixes #13850		2016-04-25 12:13:42 -04:00
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ansible	Prevent race in key setup for accelerate daemon (#15299)	2016-04-25 12:13:42 -04:00