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HAProxy - Load balancer
caaacb4fc1
Released version 3.5-dev2 with the following main changes :
- MINOR: proxy: permit to report version info for option deprecation
- MAJOR: proxy: remove support for "dispatch" and "transparent" proxy keywords
- MEDIUM: cli/show-fd: no longer accept filtering for dispatch mode
- CLEANUP: connection: remove some checks for objt_proxy(conn->target)
- CLEANUP: backend: drop checks for OBJ_TYPE_PROXY in connect() code
- CLEANUP: trace: remove backend retrieval attempt from conn->target
- MAJOR: ot: remove deprecated OpenTracing support
- BUG/MEDIUM: h3: fix trace crash on frontend response headers
- CI: github: remove OpenTracing leftovers
- BUG/MEDIUM: mux_quic: fix memory leak of rx app_buf on stream free
- MINOR: ssl: export ssl_sock_init_srv()
- MEDIUM: httpclient: initialize the httpclient with default SSL values
- BUG/MINOR: hq-interop: fix transcoding of wrapping response buffer
- BUG/MINOR: hq-interop: support transcoding of absolute URI
- BUG/MINOR: h3: adjust HTTP headers traces
- MINOR: mux_quic: add minimal traces for QUIC MUX init/release
- MINOR: hq-interop: add request start-line traces
- MINOR: hq-interop: trace transcoding of response status line
- MINOR: hq-interop: trace HTX headers
- BUG/MEDIUM: server: initialise agent.health in srv_settings_init()
- BUG/MINOR: sample: set SMP_F_CONST on srv_name fetch
- MINOR: server: distinguish name references with new SRV_F_NAME_REFD flag
- MEDIUM: server: add 'set server name' CLI command for runtime server renaming
- REGTESTS: server: add test for 'set server name' CLI command
- DOC: server: document 'set server name' CLI command
- BUG/MEDIUM: servers: Use a refcount for port_range and free it properly
- MINOR: hbuf: new lightweight hbuf API
- MINOR: init: add no listener mode
- MINOR: trace: add definitions for haload streams
- MINOR: hldstream: add definition of hldstream struct objects
- MINOR: obj_type: add OBJ_TYPE_HALOAD for haload stream objects
- MINOR: stconn: add sc_hastream() and __sc_hastream() helpers
- MINOR: stconn: export sc_new()
- MINOR: server: export functions used during server initialization
- MINOR: haload: import source code and documentation
- MINOR: log: add app_log_raw() and send_log_raw() for binary-safe logging
- BUG/MINOR: init: fix default global settings being overwritten by -G
- BUG/MINOR: tools: fix invalid character detection in strl2ic()
- BUG/MAJOR: htx: Don't swap buffers for empty HTX message with an error
- CLEANUP: applet/http-client: Don't needlessly copy HTX flags after htx_xfer()
- BUG/MINOR: mux-quic: Fix handling EOM after in qcs_http_rcv_buf()
- BUG/MINOR: http-htx: Don't by-pass HTX API when merging cookie values
- BUG/MEDIUM: h3: fix parser desync on error with multiple frames
- BUG/MINOR: mux_quic: prevent multiple STOP_SENDING emission per stream
- BUILD: quic: workaround a gcc bug saying "maybe used uninitialized" when USE_TRACE=0
- CLEANUP: traces: get rid of a few rare empty args in TRACE calls
- MINOR: compiler: add a macro to ignore all arguments
- MINOR: trace: always pretend to use args when disabled
- BUILD: ssl: avoid a wrong null deref warning in ssl_sock_handshake
- CLEANUP: haproxy: remove -dt parsing and help when !USE_TRACE
- CLEANUP: mux-h2/traces: remove unused trace code when building without USE_TRACE
- CLEANUP: debug/trace: remote "debug dev trace" when USE_TRACE is not set
- BUG/MINOR: trace/quic_frame: use buf, not trace_buf in chunk_frm_appendf()
- CLEANUP: trace/h3: allow to disable traces in H3
- CLEANUP: trace/config: do not register section "traces" with USE_TRACE=0
- CLEANUP: trace/tree-wide: drop trace decoding/definition when USE_TRACE=0
- BUILD: makefile: only build trace.c and ssl_trace.c when USE_TRACE is set
- BUILD: makefile: add macros enable_opts and disable_opts
- BUILD: makefile: add an option to enable or disable HTTP/2 (USE_H2)
- BUILD: makefile: add an option to enable or disable FCGI (USE_FCGI)
- BUILD: makefile: add an option to enable or disable SPOE (USE_SPOE)
- BUILD: makefile: add a new generic target "tiny"
- BUG/MEDIUM: mux_quic: do not free QCS if STOP_SENDING to sent
- MINOR: mux_quic: use separate error code for STOP_SENDING
- MINOR: mux_quic: adjust shut stream callback
- BUG/MEDIUM: mux_quic: complete stream shutdown for read channel
- BUG/MINOR: quic: ignore STREAM after MUX closure on BE side
- BUG/MEDIUM: fd: Fix a deadlock when closing other tgroups fds
- MEDIUM: quic: remove deprecated keywords
- DEV: patchbot: keep the review start in sync with the radios on reload
- DEV: patchbot: only display the first 8 chars of the commit id
- DEV: patchbot: pass the branch version to the generated page
- DEV: patchbot: let the page fetch the shared review state
- DEV: patchbot: let the page save the review edits to the server
- DEV: patchbot: let the page edit and delete whole notes
- DEV: patchbot: gray the save button when there is nothing to save
- DEV: patchbot: don't pretend a save succeeded when the server ignored it
- DEV: patchbot: tolerate polluted save responses and show server warnings
- DEV: patchbot: repeat the syncing buttons at the bottom of the page
- DEV: patchbot: update: add an awk backend to persist review edits
- DEV: patchbot: update: return the stored overlay as JSON on GET
- DEV: patchbot: update: support replacing a whole note blob (setnotes)
- DEV: patchbot: update: report git commit failures in the save response
- DEV: patchbot: update: report the exact git error to the user
- DEV: patchbot: update: never write to stderr, thttpd sends it first
- DEV: patchbot: update: name the touched commits in the storage messages
- DEV: patchbot: document the shared review persistence
- BUG/MINOR: haload: fix spurious task wakeup in hld_strm_task()
- BUG/MINOR: hbuf: treat unexpected escape sequences as literals
- BUG/MEDIUM: tcpcheck: Add proxy used for healthcheck sections in proxies list
- BUG/MINOR: sample: Fix a possible underflow on be2hex for large chunk size
- MINOR: chunks: Add function to get a large/regular chunk depending on a buffer
- BUG/MEDIUM: chunk: Review chunks usage to not retrieve a large buffer by error
- MINOR: htx: Add a field to save the headers data size
- MEDIUM: htx: Be sure size of headers never exceed regular buffer on update
- BUG/MINOR: stream: Fix custom timeouts initialization when setting backend
- REGTESTS: Improve script testing the set-timeout action
- BUG/MINOR: stream: Fix custom max-retries initialization when setting backend
- MINOR: stream: Add be_max_retries/cur_max_retries sample fetch functions
- BUG/MINOR: http-conv: Make url-dec failed if no space for trailing null byte
- MAJOR: mworker: remove deprecated "master-worker" global keyword
- DOC: haterm: add a missing 'haterm' build target on an example
- DOC: readme: add a pointer to haterm/haload docs
- MINOR: ocsp: Do not see ocsp loading failures as fatal anymore
- REGTESTS: Remove unused `add_range_to_test_list` function from `scripts/run-regtests.sh`
- REGTESTS: Remove unused `_version` function from `scripts/run-regtests.sh`
- REGTESTS: Migrate REQUIRE_OPTION to `haproxy -cc`
- REGTESTS: Remove support for `REQUIRE_OPTION` from scripts/run-regtests.sh
- REGTESTS: Migrate `REQUIRE_SERVICE=prometheus-exporter` to a `feature(PROMEX)` check
- REGTESTS: Remove support for `REQUIRE_SERVICE` from scripts/run-regtests.sh
- CI: github: update vmactions/freebsd-vm to 14.4
- MINOR: haload: move statistics header printing to mtask_cb
- MINOR: haterm: add note about QUIC usage on SSL port
- MINOR: haload: allow "0" shortcut for IPv4 bind address
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HAProxy
HAProxy is a free, very fast and reliable reverse-proxy offering high availability, load balancing, and proxying for TCP and HTTP-based applications.
Installation
The INSTALL file describes how to build HAProxy. A list of packages is also available on the wiki.
Getting help
The discourse and the mailing-list are available for questions or configuration assistance. You can also use the slack or IRC channel. Please don't use the issue tracker for these.
The issue tracker is only for bug reports or feature requests.
Documentation
The HAProxy documentation has been split into a number of different files for ease of use. It is available in text format as well as HTML. The wiki is also meant to replace the old architecture guide.
Please refer to the following files depending on what you're looking for:
- INSTALL for instructions on how to build and install HAProxy
- BRANCHES to understand the project's life cycle and what version to use
- LICENSE for the project's license
- CONTRIBUTING for the process to follow to submit contributions
- doc/haterm.txt and doc/haload.txt for load generation utilities
The more detailed documentation is located into the doc/ directory:
- doc/intro.txt for a quick introduction on HAProxy
- doc/configuration.txt for the configuration's reference manual
- doc/lua.txt for the Lua's reference manual
- doc/SPOE.txt for how to use the SPOE engine
- doc/network-namespaces.txt for how to use network namespaces under Linux
- doc/management.txt for the management guide
- doc/regression-testing.txt for how to use the regression testing suite
- doc/peers.txt for the peers protocol reference
- doc/coding-style.txt for how to adopt HAProxy's coding style
- doc/internals for developer-specific documentation (not all up to date)
License
HAProxy is licensed under GPL 2 or any later version, the headers under LGPL 2.1. See the LICENSE file for a more detailed explanation.