nixpkgs-ml-tools

commit b03dc585f59a4e579fcab734d7d8b8748578198f
parent c3023b460756ffaf065d080e82d81e24c8b812f4
Author: William Casarin <jb55@jb55.com>
Date:   Mon, 19 Apr 2021 07:18:39 -0700

bug: dns timeouts

Diffstat:
A
todo/dns-timeout
 | 
43
+++++++++++++++++++++++++++++++++++++++++++

1 file changed, 43 insertions(+), 0 deletions(-)
diff --git a/todo/dns-timeout b/todo/dns-timeout
@@ -0,0 +1,43 @@
+n: DNS Timeout
+d: b4 sometimes fails with a DNS timeout, need to figure out why this happens, and if there's a way to bypass dkim domain checks.
+t: bug,dkim
+i: 1618841594.518946778-jb55@jb55.com
+
+backtrace:
+
+Analyzing 2 messages in the thread
+---
+Writing ./v3_20210416_ben_nixos_gmnisrv_init.mbx
+Traceback (most recent call last):
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/bin/.b4-wrapped", line 9, in <module>
+    sys.exit(cmd())
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/command.py", line 213, in cmd
+    cmdargs.func(cmdargs)
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/command.py", line 40, in cmd_am
+    b4.mbox.main(cmdargs)
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/mbox.py", line 538, in main
+    mbox_to_am(threadfile, cmdargs)
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/mbox.py", line 114, in mbox_to_am
+    am_mbx = lser.save_am_mbox(mbx, noaddtrailers=cmdargs.noaddtrailers,
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/__init__.py", line 535, in save_am_mbox
+    if latt and latt.validate(lmsg.msg):
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/__init__.py", line 1915, in validate
+    self.lsig = LoreAttestationSignatureDKIM(msg)
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/__init__.py", line 1707, in __init__
+    res = dkim.verify(self.msg.as_bytes(), dnsfunc=dkim_get_txt)
+  File "/nix/store/y995b8xjx986sz3v9643myd9q0myf4gj-python3.8-dkimpy-1.0.5/lib/python3.8/site-packages/dkim/__init__.py", line 1352, in verify
+    return d.verify(dnsfunc=dnsfunc)
+  File "/nix/store/y995b8xjx986sz3v9643myd9q0myf4gj-python3.8-dkimpy-1.0.5/lib/python3.8/site-packages/dkim/__init__.py", line 940, in verify
+    return self.verify_sig(sig, include_headers, sigheaders[idx], dnsfunc)
+  File "/nix/store/y995b8xjx986sz3v9643myd9q0myf4gj-python3.8-dkimpy-1.0.5/lib/python3.8/site-packages/dkim/__init__.py", line 773, in verify_sig
+    self.pk, self.keysize, self.ktag, self.seqtlsrpt = load_pk_from_dns(name,
+  File "/nix/store/y995b8xjx986sz3v9643myd9q0myf4gj-python3.8-dkimpy-1.0.5/lib/python3.8/site-packages/dkim/__init__.py", line 481, in load_pk_from_dns
+    s = dnsfunc(name, timeout=timeout)
+  File "/nix/store/y5vqbq3x551chz3dj9i0zjzm7sxg5vnb-b4-0.6.2/lib/python3.8/site-packages/b4/__init__.py", line 2452, in dkim_get_txt
+    a = _resolver.resolve(lookup, dns.rdatatype.TXT, raise_on_no_answer=False, lifetime=timeout, search=True)
+  File "/nix/store/ih0gs9ynv83jjsiq6h32dh28fd1ykxp0-python3.8-dnspython-2.0.0/lib/python3.8/site-packages/dns/resolver.py", line 1043, in resolve
+    timeout = self._compute_timeout(start, lifetime)
+  File "/nix/store/ih0gs9ynv83jjsiq6h32dh28fd1ykxp0-python3.8-dnspython-2.0.0/lib/python3.8/site-packages/dns/resolver.py", line 950, in _compute_timeout
+    raise Timeout(timeout=duration)
+dns.exception.Timeout: The DNS operation timed out after 5.4021406173706055 seconds
+