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Alexander KukushkinandGitHub
ba15806592
If postgres is not running due to the crash, panic or because it was stopped by some external force, we need to change the internal state. So far we always relied on the state being set in the `Postgresql.start()` method. Unfortunately not in all cases this method is reachable. For example, the `Postgresql.follow()` could raise an exception when calling `write_recovery_conf()` and there is not enough disk space to write the file. In order to solve it, we explicitly set the state when detected that the postgres is not alive. In the `pause` we set it to `stopped`, otherwise to `crashed` if it was `running` or `starting` before.