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71dcbcf2e3
* Robustness engine actions with stats and logging - Add actions to robustness engine - Actions wrap other functional behavior and serve as a common interface for collecting stats - Add stats for the engine, both per run and cumulative over time - Add a log for actions that the engine has executed - Add recovery logic to re-sync snapshot metadata after a possible failed engine run (e.g. if metadata wasn't properly persisted). Current built-in actions: - snapshot root directory - restore random snapshot ID into a target restore path - delete a random snapshot ID - run GC - write random files to the local data directory - delete a random subdirectory under the local data directory - delete files in a directory - restore a snapshot ID into the local data directory Actions are executed according to a set of options, which dictate the relative probabilities of picking a given action, along with ranges for action-specific parameters that can be randomized.
20 lines
339 B
Go
20 lines
339 B
Go
// +build darwin,amd64 linux,amd64
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package engine
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import (
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"syscall"
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)
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func getFreeSpaceB(path string) (uint64, error) {
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var stat syscall.Statfs_t
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err := syscall.Statfs(path, &stat)
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if err != nil {
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return 0, err
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}
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// Available blocks * size per block = available space in bytes
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return stat.Bavail * uint64(stat.Bsize), nil
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}
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