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* keepalived-1.1.13 released. * VRRP : Added a new notify script to be launch during vrrp instances shutdown. This new notify hook is configured using notify_stop keyword inside vrrp_instance block. * VRRP : Willy Tarreau <w at 1wt.eu> fixed an errno issue in thread_fetch(), errno is lost during set_time_now(). This patch saves it across the call to set_time_now() in order to get the valid error. * VRRP : Willy Tarreau <w at 1wt.eu> extended timer framework to save errno in timer_now() and set_time_now() just in case other functions do not expect these functions to modify it. This is a safer approach than the initial patch to thread_fetch(), while still compatible. * VRRP : Willy Tarreau <w at 1wt.eu> fixed an FSM silent issue. By default, the VRRP daemon stops sending during new MASTER elections. This causes 3 to 4 seconds of silence depending on the local priority, and sometimes causes flapping when the differences in priorities are very low, due to the kernel timer's resolution : sometimes, the old master receives a first advertisement, enters backup, waits 3 seconds, sees nothing and finally becomes master again, which forces a new reelection on the other one. * VRRP : Willy Tarreau <w at 1wt.eu> extended VRRP framework to support floating priority. Replace the priority in each vrrp_instance with a base priority and an effective priority, to prepare the support for floating priorities. The configuration sets the base_priority, and all comparisons use the new effective_priority value. This one is computed in the vrrp_update_priority() thread by adding an offset to base_priority, based on the result of various checks. * VRRP : Willy Tarreau <w at 1wt.eu> extended notify script to add the priority in "$4" when calling a notify script. This is important in labs and datacenters when systems can display the priority on a front LCD, because it allows workers to carefully operate without causing unexpected reelections. * VRRP : Willy Tarreau <w at 1wt.eu> extended interface tracking framework to let interface tracking change the priority by adding a "weight" parameter. If the weight is positive, it will be added to the priority when the interface is UP. If the weight is negative, it will be subtracted from the priority when the interface is down. If the weight is zero (default), a down interface will switch the instance to the FAULT state. * VRRP : Willy Tarreau <w at 1wt.eu> added a new "vrrp_script" section to monitor local processes or do any type of local processing to decide whether the machine is in good enough health to be elected as master. A same script will be run once for all instances which monitor it. If no instance use it, it will not be run, so that it's safe to declare a lot of useful scripts. A weight is associated to the script result. If the weight is positive, it will be added to the priority when the result is OK (exit 0). If the weight is negative, it will be subtracted from the priority when the result is KO (exit != 0). If the weight is zero, the script will not be monitored. The default value is 2. * VRRP : Willy Tarreau <w at 1wt.eu> extended vrrp scheduler so that when a VRRP is part of a SYNC group, it must not use floating priorities, otherwise this may lead to infinite re-election after every advertisement because some VRRPs will announce higher prios than the peer, while others will announce lower prios. The solution is to set all weights to 0 to enable standard interface tracking, and to disable the update prio thread if VRRP SYNC is enabled on a VRRP. * VRRP : Willy Tarreau <w at 1wt.eu> added some documentation and examples for the brand new VRRP tracking mechanisms. * VRRP : Ranko Zivojnovic, <ranko at spidernet.net> fixed vrrp scheduler to execute notify* scripts in transition from the failed state to the backup state. * Nick Couchman, <nick.couchman at seakr.com>, added support for real server upper and lower thresholds. This allows you to set a minimum and maximum number of connections to each real server using the "uthreshold" (maximum) and "lthreshold" (minimum) options in the real_server section of the configuration file. * Chris Caputo, <ccaputo at alt.net> extended autoconf script to support recent move of UTS_RELEASE from linux/version.h to linux/utsrelease.h. * Chris Caputo, <ccaputo at alt.net> extended ipvswrapper 2.4 code to support misc_dynamic weight.
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1 +1 @@ | ||
| 1.1.12 | ||
| 1.1.13 |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,142 @@ | ||
| ! Configuration File for keepalived | ||
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| vrrp_script chk_sshd { | ||
| script "killall -0 sshd" # cheaper than pidof | ||
| interval 2 # check every 2 seconds | ||
| weight -4 # default prio: -4 if KO | ||
| } | ||
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| vrrp_script chk_haproxy { | ||
| script "killall -0 haproxy" # cheaper than pidof | ||
| interval 2 # check every 2 seconds | ||
| } | ||
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| vrrp_script chk_http_port { | ||
| script "</dev/tcp/127.0.0.1/80" # connects and exits | ||
| interval 1 # check every second | ||
| weight -2 # default prio: -2 if connect fails | ||
| } | ||
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| vrrp_script chk_https_port { | ||
| script "</dev/tcp/127.0.0.1/443" | ||
| interval 1 | ||
| weight -2 | ||
| } | ||
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| vrrp_script chk_smtp_port { | ||
| script "</dev/tcp/127.0.0.1/25" | ||
| interval 1 | ||
| weight -2 | ||
| } | ||
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| vrrp_instance VI_1 { | ||
| interface eth0 | ||
| state MASTER | ||
| virtual_router_id 51 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.18/25 | ||
| } | ||
| track_interface { | ||
| eth1 weight 2 # prio = +2 if UP | ||
| eth2 weight -2 # prio = -2 if DOWN | ||
| eth3 # no weight, fault if down | ||
| } | ||
| track_script { | ||
| chk_sshd # use default weight from the script | ||
| chk_haproxy weight 2 # +2 if process is present | ||
| chk_http_port | ||
| chk_https_port | ||
| chk_smtp_port | ||
| } | ||
| } | ||
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| vrrp_instance VI_2 { | ||
| interface eth1 | ||
| state MASTER | ||
| virtual_router_id 52 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.201.18/26 | ||
| } | ||
| track_interface { | ||
| eth0 weight 2 # prio = +2 if UP | ||
| eth2 weight -2 # prio = -2 if DOWN | ||
| eth3 # no weight, fault if down | ||
| } | ||
| track_script { | ||
| chk_haproxy weight 2 | ||
| chk_http_port | ||
| chk_https_port | ||
| chk_smtp_port | ||
| } | ||
| } | ||
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| vrrp_instance VI_3 { | ||
| interface eth0 | ||
| virtual_router_id 53 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.19/27 | ||
| } | ||
| } | ||
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| vrrp_instance VI_4 { | ||
| interface eth1 | ||
| virtual_router_id 54 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.201.19/28 | ||
| } | ||
| } | ||
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| vrrp_instance VI_5 { | ||
| state MASTER | ||
| interface eth0 | ||
| virtual_router_id 55 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.20/27 | ||
| } | ||
| } | ||
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| vrrp_instance VI_6 { | ||
| state MASTER | ||
| interface eth0 | ||
| virtual_router_id 56 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.21/27 | ||
| } | ||
| } | ||
|
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| vrrp_instance VI_7 { | ||
| state MASTER | ||
| interface eth0 | ||
| virtual_router_id 57 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.22/27 | ||
| } | ||
| } | ||
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| vrrp_instance VI_8 { | ||
| state MASTER | ||
| interface eth0 | ||
| virtual_router_id 58 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.23/27 | ||
| } | ||
| } | ||
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| vrrp_instance VI_9 { | ||
| state MASTER | ||
| interface eth0 | ||
| virtual_router_id 59 | ||
| priority 100 | ||
| virtual_ipaddress { | ||
| 192.168.200.24/27 | ||
| } | ||
| } |
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