2020-06-13 Alexandre Cassen <acassen@keepalived.org>

	This file is now deprecated and wil no longer get updated.
	To have detailed informations about new Keepalived release
	please refers to :

		https://www.keepalived.org/release-notes



2020-01-22 Alexandre Cassen <acassen@keepalived.org>
	* keepalived-2.0.20
	* Add DBus interface and config files to snap
	* Install DBus files from snap onto host system.
	* Fix snap install hook script.
	* Set instance_name in child processes after reload
	  Although the parent process was reinstating the instance_name after
	  a reload, the child processes were not.
	* Remove libxtables-dynamic from keepalived.spec.in
	  Commit 72c4e54 - "Add support for using iptables to block VMAC IGMP/MLD
	  messages" removed libxtables-dynamic option, since it was only used to
	  load the ip_tables/ip6_tables kernel modules, and there was already other
	  code to load modules. The original commit, however, omitted to update
	  keepalived.spec.in.
	* Include firewalld documentation.
	* Improving logging of error if kernel doesn't support PROC_EVENTS
	  OpenWRT has kernels build with PROC_EEVNS enabled, and it was outputing
	  an unhelpful error message.
	  This commit will not log the PROC_EVENTS is not built into the kernel
	  unless the log detail (-D) option is specified, or the configuration uses
	  track_process.
	* Resolve file descriptor errors on reload
	  If a read or write thread was on the thread reaady queue when a
	  reload was processed, the file descriptor was not removed from the
	  epoll instance.
	  This commit ensures that file descriptors relating to threads on
	  the thread ready queue are removed from the epoll instance during
	  a reload.
	* Log correct address family when interface doesn't have required address.
	* Stop track_process.h including itself.
	* Update package requirements for Debian.
	* Add more detailed track-process debugging.
	* Fix track_process with PIDs > 32767
	* Add more track_process debugging.
	* Correct detection of success loading module xt_set.
	  The detection of success loading the module was reversed, so that
	  if it failed it thought it was successful, and vice versa. This
	  meant that if it was not successful loading the module, it would
	  attempt to use ipsets, and if it was successful loading the module
	  it would not. If the module was already loaded, then there was no
	  problem.
	* Update info on using nft --debug.
	* Add README icon for snaps.
	* Fix intermittent "child lost" messages.
	  Issue #1364 identified that occassionaly a "child lost" message could
	  be logged. Although keepalived continued working as expected, the
	  "child lost" message indicated that something wasn't working properly.
	  If a vrrp track script had a timeout in the script that was the
	  same as the script timeout configured in keepalived, when the system
	  was heavily loaded it was possible for the timeout to occur, followed
	  by the termination before the timeout thread was run, in which case
	  the termination would be lost because the child thread was no longer
	  on the child_pid queue, but on the ready queue.
	  This commit leaves threads on the child_pid queue after a timeout, and
	  only removes it when the timeout thread is run. That means that if the
	  termination is received before the timeout thread is run, the thread
	  (now on the ready queue) can be updated to be a termination rather than
	  a timeout.
	* Add configuration/state dumping for BFD with SIGUSR1.
	  The VRRP and checker processes dump their configuration/state, and
	  this commits and the same for the BFD process.
	* Stop always going to fault state on reload if have bfd tracker.
	  On a reload, the state of a new bfd tracker should be set from the
	  state of the old matching tracker, rather than the other way around.
	* Resolve some issues identified by LGTM.
	* Clarify in man page when ip_family is required for virtual servers.
	* Don't check _WITH_LVS_ defined in chack_data.h
	  If check_data.h is being included anywhere, then _WITH_LVS_ must
	  be defined.
	* Stop checking that persistence_granularity is a solid netmask for IPv4
	  ipvsadm and the kernel do not require a solid netmask, so we shouldn't
	  either.
	* Allow persistence_granularity to be 0.0.0.0.
	  ipvsadm allows the netmask to be 0.0.0.0 and the kernel supports
	  it, so we should allow it. It is inconsistent with IPv6 which
	  doesn't allow a mask length of 0.
	* Fix ipaddresstos when it is passed a buffer to write string to
	  Although ipaddresstos() was not correct, since it was never passed
	  a buffer, the problem never manifested itself.
	* Stop segfault at reload when removing a ip rule without from address
	  Issue #1436 identified that removing an ip rule was causing a segfault
	  when keepalived reloaded. This is caused by always logging the from
	  address even if there wasn't one.
	* Make bfd0 initialisation structure static.
	* Ensure bfd thread_time_to_wakeup() doesn't return "negative" value.
	  If thread_time_to_wakeup() was called with thread->sands in the
	  past compared to time_now, the function overflowed and returned an
	  extremely high value, resulting in the thread not being scheduled
	  for another 585,000 years or so (on 64 bit systems).
	  This commit makes thread_time_to_wakeup() return 1 (microsecond) if
	  thread->sands is earlier than time_now.
	* Make bfd's sand_out, sands_exp and sands_rst unsigned.
	* Make timer_add_long return TIMER_DISABLED if called with TIMER_NEVER.
	* Fix generation of keepalived.spec when libipset disabled.
	* Fix building with --enable-debug option, but add deliberate error
	  Issue #1444 identified that keepalived would not build with the
	  --enable-debug option. This commits resolves the compilation errors
	  but also adds a #error statement if --enable-debug is selected, so
	  that the source code has to be editted to be able to build with the
	  option.
	  Since --enable-debug is not expected to work properly and is only
	  for debugging purposes, the #error statement will stop it being used
	  accidentally or being enabled in a distro's build of keepalived, for
	  example as Gentoo had done. Only developers/maintainers who are
	  prepared to edit the source code will be able to use --enable-debug.
	* Make json_writer.c include "assert_debug.h" rather than <assert.h>
	  This means that the assert() code will only be enabled if the
	  --enable-asserts configure option is specified.
	* Correct description of notify_master_rx_lower_pri in keepalived.conf(5).
	* Reorganise debug configuration
	  --enable-debug enabled several different sets of debugging functionality.
	  That is now split out into:
		--enable-genhash-debug
		--enable-checker-debug
		--enable-smtp-connect-debug
		--enable-mem-err-debug
		--enable-one-process-debug
	  All options except --enable-one-process-debug also require enabling at
	  runtime. This means that a debug version of keepalived cam be build with
	  almost all debugging built in, but different debugging can be selectively
	  enabled at run time, to avoid being overwhelmed with unwanted debug output.
	  The --enable-debug option now enables all debugging options except
		--enable-genhash-debug
		--enable-one-process-debug
	  This is essentially the debug options that can be controlled at run time. It
	  also sets --enable-log-file so that logging output can be written to log
	  files rather than syslog.
	  keepalived -h shows all the built-in debugging options and how to enable
	  them.
	* Turn of checksum debugging unless enabled from command line.
	* Clear previous parser errors at startup or when reloading
	  When keepalived starts, the parent process reads the config. If there
	  was an error such as a missing } or extra { the skip_block flags was
	  left set, so when the child processes read the configuration, they
	  just skipped everything. This also meant that the configuration was
	  not correctly parser when reloading.
	  All parser state variables are now reinitialised before the configuration
	  is read.
	* Fix a checker process segfault when reloading with ha_suspend
	  If ha_suspend was enabled, when the checker process reloaded, it
	  left an old pointer to the read thread for the netlink monitoring
	  fd. When the process subsequently terminated, it tried cancelling
	  the thread using the old pointer, and would often segfault.
	  This also meant that after a reload, the checker process would no
	  longer be monitoring address changes, in other words ha_suspend
	  would not work.
	  Before a reload, both for the vrrp and the checker process, the
	  thread is cancelled and the pointer to the thread cleared. After
	  a reload the checker process now adds a new read thread, so ha_suspend
	  will continue working after the reload.
	* Add signal to trigger thread dump when built with --enable-thread-dump.
	* Update snapcraft.yaml to remove Ubuntu 14.04 and add 19.10 kernel.
	* Fix building snaps for 5.3 kernel.
	* snap: Fix checking for s390x.
	* snap: Improving logging of kernel header version in snap build logs.
	* snap: Add missing <NL> in snap logs.
	* Update nopreempt documentation in keepalived.conf(5) man page
	  Issue #1457 suggested that the documentation for nopreempt was not
	  clear, so this update attempts to clarify the situation.
	* Fix building with network-timestamp without checksum-debug
	  Commit 844e197 - "Reorganise debug configuration" had an incorrect
	  conditional compilation check, which this commit resolves.
	* Fix VRRP priority after weighted track files leaving fault state
	  Issue #1460 identified that the VRRP priority was incorrect after a
	  weighted track file exited fault state. This commit resolves the issue.
	* Correct typo in keepalived.conf(5).
	* Fix DNS_CHECK when name ends with a '.'.
	  Issue #1462 identified that DNS_CHECK was not working with
	  name example.jp.
	  It transpired that if the name ended with a '.', the terminating
	  zero length was not being written to the query packet.
	* Fix generation of keepalived.spec
	  An AM_CONDITIONAL was missing for DEBUG
	* Fix vrrp dont_track_primary.
	  VIPs on the primary interface were causing the interface to be
	  tracked. keepalived now checks when adding an interface for tracking
	  VIPs or eVIPs that it is not the primary interface of the vrrp instance
	  if dont_track_primary is set.
	* fix: unknown keyword 'mh-fallback' and 'mh-port'.
	* Fix detecting of kill failure for MISC_CHECK scripts
	  github @lankstra pointed out that the check for kill failing for
	  misc check scripts was inverted, so this commit corrects that, and
	  the code now matches the similar code in vrrp_script_child_thread().
	* Update Dockerfile
	  1. Update to use alpine:3.10 as the base container
	  2. Include libnftnl-dev in the build to support nftables
	  3. Install automake package for building keepalived
	  4. Run build_setup
	  The reason for installing automake and running build_setup is that
	  if the version of automake is different from what is installed in the
	  container, then the links set up by automake --add-missing on the host
	  will not work in the container used for the build.
	* Actually update docker to use alpine:3.10.
	* Resolve some warnings when building with ulibc.
	* Handle a newer libnftnl with an older kernel
	  To use NFT_LOOKUP_F_INV we need to check that both it and
	  NFTNL_EXPR_LOOKUP_FLAGS are defined. Previously we only checked
	  the latter.
	* Change order of IPVS commands on quorum change to allow a sorry server
	  to be the same as a real server.
	* Further code to hanve sorry server being same as a real server
	  Commit 6f03bb2 - "Change order of IPVS commands on quorum change" allowed
	  a sorry server to be the same as a real server. This commit now adds some
	  additional code to ensure that it operates without errors being reported.
	* Check, report and handle a duplicate real server on a virtual server.
	* Change some log_message()s to report_config_error()s in IPVS code.
	* Cosmetic alignment corrections in check_data.h.
	* Tidy up a Linux version comment in configure.ac.
	* Remove configure check for SCHED_RR.
	  It has existed since at least Linux 2.4.32.
	* Add README.kernel_versions to document kernel dependant features.
	* Add tools/timed_reload
	  This script makes keepalived reload its configuration at a specified time.
	  If there are several keepaliveds running on different systems, then can be
	  scheduled to all reload at the same time, by running the script on each system.
	  This is useful if the old and new configurations are not compatible with each
	  other.
	* Add option to set preferred lifetime for static and virtual IPv6 addresses.
	  Generally  virtual ip addresses will want to be deprecated, but static
	  IPv6 addresses may or may not want to be deprecated. Previously the code
	  deprecated IPv6 addresses only if that had a /128 mask.
	  This commit retains the old settings as default, but now allows the
	  preferred_lft to be specified for each address.

2019-10-19 Alexandre Cassen <acassen@keepalived.org>
	* keepalived-2.0.19
	* Allow persistence, scheduler and flags of VS to be changed on reload
	  A virtual server is identified by its IP address, protocol and port,
	  or the firewall mark and address family, and not by the persistence
	  settings or scheduler and scheduler flags. When comparing virtual
	  servers on a reload, don't check persistence and scheduler settings
	  match, but update them if necessary.
	* Ignore default RS settings when comparing VSs after reload
	  Various default settings for real servers belonging to a virtual
	  server can be configured against a virtual server. These settings
	  should be ignored when comparing virtual servers following a
	  reload. Any differences in real server settings will be handled
	  separately.
	* Clarify what IPVS persistence engines are supported in man page
	* Allow RS forwarding                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                         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