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This adds the ability to use structured logging, for most of the authoritative server messages (there are a few log messages left to convert).
Showing this now because there will be minor conflicts with #16691.

Note that there is currently no way to enable structured logging in auth, yet. If you want to test, change the initializer of g_slogStructured in pdns/auth-main.cc.

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I have:

  • read the CONTRIBUTING.md document
  • read and accepted the Developer Certificate of Origin document, including the AI Policy, and added a "Signed-off-by" to my commits
  • compiled this code
  • tested this code
  • included documentation (including possible behaviour changes)
  • documented the code
  • added or modified regression test(s)
  • added or modified unit test(s)

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coveralls commented Dec 31, 2025

Pull Request Test Coverage Report for Build 21138598139

Details

  • 788 of 2409 (32.71%) changed or added relevant lines in 62 files are covered.
  • 205 unchanged lines in 46 files lost coverage.
  • Overall coverage decreased (-0.7%) to 72.01%

Changes Missing Coverage Covered Lines Changed/Added Lines %
modules/bindbackend/bindbackend2.hh 0 1 0.0%
pdns/ixfrdist.cc 0 1 0.0%
pdns/test-distributor_hh.cc 8 9 88.89%
pdns/ws-auth.cc 14 15 93.33%
pdns/unix_semaphore.cc 0 2 0.0%
modules/godbcbackend/sodbc.cc 3 6 50.0%
modules/bindbackend/binddnssec.cc 1 5 20.0%
modules/remotebackend/pipeconnector.cc 1 5 20.0%
pdns/tkey.cc 2 6 33.33%
pdns/serialtweaker.cc 11 16 68.75%
Files with Coverage Reduction New Missed Lines %
modules/bindbackend/binddnssec.cc 1 56.61%
modules/ldapbackend/native.cc 1 36.77%
modules/remotebackend/pipeconnector.cc 1 59.17%
pdns/serialtweaker.cc 1 81.18%
pdns/tkey.cc 1 31.41%
pdns/ueberbackend.cc 1 76.7%
pdns/validate.cc 1 68.4%
modules/geoipbackend/geoipbackend.cc 2 59.07%
modules/gmysqlbackend/gmysqlbackend.cc 2 83.67%
modules/gmysqlbackend/smysql.cc 2 64.65%
Totals Coverage Status
Change from base Build 21137951436: -0.7%
Covered Lines: 128938
Relevant Lines: 166089

💛 - Coveralls

@miodvallat miodvallat force-pushed the log_at_first_sight branch 3 times, most recently from 38d9829 to 56ffba8 Compare January 9, 2026 14:04
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
…umbing.

Setup a syslog structured logger for pdns-server and pdnsutil,
copied from recursor.

Structured logging is not enabled yet in the server or any of its tools.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
If they are linked statically, this code runs as a static constructor,
way before the structured logger has a chance to initialize, only
unstructured logging will be available at this point.

Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
Signed-off-by: Miod Vallat <miod.vallat@powerdns.com>
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