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add ConnectionBrokenWithHint for BrokenPipeErrors and similar, see #7016

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no traceback, but error message and specific exit code.
This commit is contained in:
Thomas Waldmann 2024-01-19 18:38:07 +01:00
parent 45815554ce
commit 43a20b052e
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GPG key ID: 243ACFA951F78E01
2 changed files with 12 additions and 1 deletions
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2
docs/internals/frontends.rst
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@ -699,6 +699,8 @@ Errors
UnexpectedRPCDataFormatFromServer rc: 86 traceback: no
Got unexpected RPC data format from server:
{}
ConnectionBrokenWithHint rc: 87 traceback: no
Connection to remote host is broken. {}
IntegrityError rc: 90 traceback: yes
Data integrity error: {}

11
src/borg/remote.py
View file

@ -112,6 +112,12 @@ def __init__(self, data):
super().__init__(data)
class ConnectionBrokenWithHint(Error):
"""Connection to remote host is broken. {}"""
exit_mcode = 87
# Protocol compatibility:
# In general the server is responsible for rejecting too old clients and the client it responsible for rejecting
# too old servers. This ensures that the knowledge what is compatible is always held by the newer component.
@ -428,7 +434,10 @@ def write(self, fd, to_send):
self.ratelimit_last = time.monotonic()
if len(to_send) > self.ratelimit_quota:
to_send = to_send[: self.ratelimit_quota]
written = os.write(fd, to_send)
try:
written = os.write(fd, to_send)
except BrokenPipeError:
raise ConnectionBrokenWithHint("Broken Pipe") from None
if self.ratelimit:
self.ratelimit_quota -= written
return written