[backport to stable/v2.1] storage: add mirror health checking support #839
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Currently, the mirror is set to unavailable if the failed times reach failure_limit. We added mirror health checking, which will recover unavailable mirror server. The failure_limit indicates the failed time at which the mirror is set to unavailable. The health_check_interval indicates the time interval to recover the unavailable mirror. The ping_url is the endpoint to check mirror server health. Signed-off-by: Bin Tang <[email protected]>
Forward 401 response to P2P/dragonfly will affect performance. When there is a mirror that auth_through false, we refresh the token regularly to avoid forwarding the 401 response to mirror. Signed-off-by: Bin Tang <[email protected]>
Signed-off-by: Bin Tang <[email protected]>
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#800