Merge branch 'release-v20240219' into 'master'

Release v20240219

See merge request !92

NEWS

+DNS Shotgun v20240219
+=====================
+
+Incompatible changes
+--------------------
+- CMake is now being used to build dnssim instead of Autotools
+- GnuTLS 3.7.0+ is now required
+
+Improvements
+------------
+- pcap/extract-clients: always reset UDP port numbers to 53 (!56)
+- pcap/extract-clients: ability to write to stdout (!62)
+- pcap/filter-dnsq: skip 'special' queries for \*.dotnxdomain.net (!58)
+- pcap/split-clients: new tool to split larger PCAPs into smaller ones (!61)
+- pcap/merge-chunks: allow disabling randomization (!67)
+- tools/plot-latency: ability to diversify lines with linestyles (!69)
+- tools/plot-response-rate: estimate worst-case drop caused by discarded packets (!74)
+- tools/plot-packet-rate: handle incomplete last sampling period (!71)
+- tools/plot-response-rate: ability to ignore RCODEs with small response rate (!73)
+- pcap/filter-dnsq: ability to log malformed queries (!72)
+- pcap/generate-const-qps: new tool to generate constant QPS (!33)
+- tools: allow customizing plot charts with `SHOTGUN_MPLSTYLES` (!65)
+- replay: `--preload` argument, mainly for dnssim debugging with sanitizers (!76)
+- tools/plot-latency: use fractional values for humans in charts (!78)
+- pcap/extract-clients: warn if some input packets were skipped (!80)
+- dnssim: replace Autotools with CMake (!77, !86)
+- configs: DoH configs with exclusively GET/POST methods (!82)
+- tools/plot-response-rate: avoid division by zero (!89)
+- tools/plot-latency: denser labels to improve logarithmic scale readability (!90)
+- pcap/extract-clients: allow query rewriting - anonymization (!91)
+- Support for DNS-over-QUIC :tada: (!75)
+
+Bugfixes
+--------
+- tools/plot-response-rate: avoid white lines on white background (!55)
+- tools/plot-client-distribution: properly handle file limit (!59)
+- pcap: proper PCAP write error handling (!60)
+- tools/plot-connections: set axis limits properly (!66)
+- tools/plot-packet-rate: trim chart whitespace (!79)
+- replay: do not exit silently when dnssim returns non-zero (!87)
+
 DNS Shotgun v20210714
 =====================
 

docs/installation.md

@@ -10,7 +10,7 @@ Pre-built image can be obtained from [CZ.NIC DNS Shotgun
 Registry](https://gitlab.nic.cz/knot/shotgun/container_registry/65).
 
 ```
-$ docker pull registry.nic.cz/knot/shotgun:v20210714
+$ docker pull registry.nic.cz/knot/shotgun:v20240219
 ```
 
 Alternately, you can build the image yourself from Dockerfile in the repository.
@@ -25,7 +25,7 @@ Alternately, you can build the image yourself from Dockerfile in the repository.
 $ docker run \
     --network host \
     -v "$PWD:/mnt" \
-    registry.nic.cz/knot/shotgun:v20210714 \
+    registry.nic.cz/knot/shotgun:v20240219 \
     $COMMAND
 ```
 
@@ -38,7 +38,7 @@ development happens in master branch.
 
 ```
 $ git clone https://gitlab.nic.cz/knot/shotgun.git
-$ git checkout v20210714
+$ git checkout v20240219
 $ git submodule update --init --recursive
 $ cd shotgun/replay/dnssim
 $ mkdir build && cd build

replay/dnssim/CHANGELOG.md

+dnssim forever
+==============
+Since dnssim is now a part of Shotgun, all future changes will be logged in
+Shotgun's `NEWS` file.
+
 dnssim v20210714
 ================
 - dnssim was moved from dnsjit to shotgun, this implies new

replay/dnssim/src/output/dnssim.lua

@@ -160,7 +160,7 @@ local C = ffi.C
 
 local DnsSim = {}
 
-local _DNSSIM_VERSION = 20210714
+local _DNSSIM_VERSION = 20240219
 local _DNSSIM_JSON_VERSION = 20200527
 
 -- Create a new DnsSim output for up to max_clients.

replay/shotgun.lua

@@ -4,11 +4,11 @@ local object = require("dnsjit.core.objects")
 local log = require("dnsjit.core.log")
 local dnssim = require("shotgun.output.dnssim")
 
-local DNSSIM_REQ_VERSION = 20210714
+local DNSSIM_REQ_VERSION = 20240219
 local has_check_version, version = pcall(dnssim.check_version, DNSSIM_REQ_VERSION)
 if not has_check_version or version == nil then
 	log.fatal(string.format(
-		"Newer dnsjit is required. Minimum version of dnssim component is v%d.",
+		"Newer dnssim is required. Minimum version of dnssim component is v%d.",
 		DNSSIM_REQ_VERSION))
 end