DSASのやりくり

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1 DSAS MATRIX 4 KLab KLab K

2 id:hirose31 KLab K DSAS Web WEB+DB PRESS Vol KLab

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5 ... DSAS 4

6 -DSAS MATRIX 5

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8 XXX Web DB Storage Log lvs lls... WARN STOP... sw3 Web Web DB DB core sw1 sw4 lvs lvs Master sw5 core sw2 lls lls Storage Log sw6 7

9 XXX XXX XXX Web DB XXX for i in web1 web2 web3 we...web99;do echo $i; ssh $i /usr/bin/ ; done 8

10 Apache httpd.conf VirtualHost keepalived keepalived.conf ( ) 9

11 XXX XXX XXX -DSAS MATRIX 10

12 DSAS 11

13 DSAS 12

14 MATRIX MATRIX 13

15 MATRIX MATRIX w107: (lv2) w101: usagi w102: usagi kame saru w103: [NANDEMOYA] w104: kame w105: kame w106: (lv1) w108: (ll1) w109: (ll2) w110: (db101) (db100) w111: (db102) w112: [FREE] usagi kame saru w113: usagi saru [WARN] w114: usagi kame [STOP] 14

16 MATRIX MATRIX w107: (lv2) w101: usagi w102: usagi kame saru w103: [NANDEMOYA] w104: kame w105: kame w106: (lv1) w108: (ll1) w109: (ll2) w110: (db101) (db100) w111: (db102) w112: [FREE] usagi kame saru w113: usagi saru [WARN] w114: usagi kame [STOP] 15

17 MATRIX MATRIX w107: (lv2) w101: usagi w102: usagi kame saru w103: [NANDEMOYA] w104: kame w105: kame w106: (lv1) w108: (ll1) w109: (ll2) w110: (db101) (db100) w111: (db102) w112: [FREE] usagi kame saru w113: usagi saru [WARN] w114: usagi kame [STOP] 16

18 MATRIX MATRIX w107: (lv2) w101: usagi w102: usagi kame saru w103: [NANDEMOYA] w104: kame w105: kame w106: (lv1) w108: (ll1) w109: (ll2) w110: (db101) (db100) w111: (db102) w112: [FREE] usagi kame saru w113: usagi saru [WARN] w114: usagi kame [STOP] [XXX] 17

19 MATRIX MATRIX w107: (lv2) w101: usagi w102: usagi kame saru w103: [NANDEMOYA] w104: kame w105: kame w106: (lv1) w108: (ll1) w109: (ll2) w110: (db101) (db100) w111: (db102) w112: [FREE] usagi kame saru w113: usagi saru [WARN] w114: usagi kame [STOP] [XXX] (XXX) 18

20 XXX XXX XXX -DSAS MATRIX 19

21 XXX source /etc/dsas.conf MATRIX sh XXX_SERVERS DB_SERVERS=(db100 db101 db102) LL_SERVERS=(ll1 ll2) LV_SERVERS=(lv1 lv2) LB_SERVERS=(w101 w102 w104 w105 w112) NR_SERVERS=(w103) STOP_SERVERS=(w114) WARN_SERVERS=(w113) ${WARN_... ${DB_... 20

22 XXX XXX XXX dsas.conf XXX_SERVERS XXX sh alias 21

23 XXX XXX FORALL XXX alias alias FORALL= for i in ${ALL_SERVERS[@]};do FORALL echo $i; ssh $i /usr/bin/date; done FORALL rsync avr /foo/bar $i:/; done 22

24 XXX XXX SYNCALL rsync FORALL rsync avr /foo/bar /baz/qux $i:/; done SYNCALL /foo/bar /baz/qux 23

25 XXX XXX DIFFALL $ DIFFALL /usr/klab/matrix /usr/klab/matrix LOCAL 2d4c e433f692466a427 w101 2d4c e433f692466a427 w102 5ba0e2e4bc0f305e2ff85d0fd8654b12 diff -u /usr/klab/matrix <(ssh w102 cat /usr/klab/matrix) w103 2d4c e433f692466a427 w103 2d4c e433f692466a427 : : : : : $ DIFFALL /usr/klab/matrix grep v 2d4c... 24

26 matrix-reflection MATRIX httpd.conf lvs-config lvs (keepalived) 25

matrix-reflection w101: w101: usagi usagi w102: w102: usagi usagi kame kame w103: w103: [NANDEMOYA] [NANDEMOYA] w104: w104: kame kame w105: w105: kame kame w106: w106: (lv1) (lv1) w107: w107: (lv2)

27 matrix-reflection w101: w101: usagi usagi w102: w102: usagi usagi kame kame w103: w103: [NANDEMOYA] [NANDEMOYA] w104: w104: kame kame w105: w105: kame kame w106: w106: (lv1) (lv1) w107: w107: (lv2) (lv2) w108: w108: (ll1) (ll1) w109: w109: (ll2) (ll2) w110: w110: (db101) (db101) (db100) (db100) w111: w111: (db102) (db102) w112: w112: [FREE] [FREE] usagi usagi kame kame MATRIX ServerRoot... User... Group cat... <<MSGEND # kame <VirtualHost cat <<MSGEND *:80> ServerAdmin # usagi webmaster ServerName <VirtualHost usagi.example.jp *:80> DocumentRoot ServerAdmin $DSAS_HOME/contents/usagi/htdocs webmaster ErrorLog ServerName... usagi.example.jp CustomLog DocumentRoot... $DSAS_HOME/contents/usagi/htdocs ErrorLog... JkMount CustomLog /s/*... local <LocationMatch "^/"> Order JkMount Deny,Allow /s/* local Deny <LocationMatch from all "^/"> Include Order conf/allow/dsas Deny,Allow Include Deny from conf/allow/docomo Include conf/allow/au_ez conf/allow/dsas Include conf/allow/vodafone conf/allow/docomo </LocationMatch> Include conf/allow/au_ez </VirtualHost> Include conf/allow/vodafone MSGEND </LocationMatch> </VirtualHost> MSGEND matrix-reflection ServerRoot... User... Group... MaxClient... LoadModule... # usagi <VirtualHost *:80> ServerAdmin webmaster ServerName usagi. DocumentRoot $DSAS_ ErrorLog... CustomLog... httpd.conf JkMount /s/* local <LocationMatch "^/"> Order Deny,Allow Deny from all Include conf/allow/ Include conf/allow/ Include conf/allow/ Include conf/allow/ </LocationMatch> </VirtualHost> # kame <VirtualHost *:80> ServerAdmin webmaster ServerName kame. 26

28 lvs-config w101: w101: usagi usagi w102: w102: usagi usagi kame kame w103: w103: [NANDEMOYA] [NANDEMOYA] w104: w104: kame kame w105: w105: kame kame w106: w106: (lv1) (lv1) w107: w107: (lv2) (lv2) w108: w108: (ll1) (ll1) w109: w109: (ll2) (ll2) w110: w110: (db101) (db101) (db100) (db100) w111: w111: (db102) (db102) w112: w112: [FREE] [FREE] usagi usagi kame kame MATRIX [% FOREACH R=REAL -%] real_server [% R %] [% real_port %] { weight 1 inhibit_on_failure HTTP_GET { url { path [% HTTP_GET.path %] status_code [%...status_code %] } connect_port [%... %] connect_timeout [%... %] nb_get_retry [%... %] delay_before_retry [%... %] } } [% END -%] lvs-config vrrp_instance VE { state BACKUP interface eth0 garp_master_delay 5 virtual_router_id 1 priority 100 nopreempt advert_int 1 authentication { auth_type PASS auth_pass himitsu } virtual_ipaddress { / /24 keepalived.conf } } virtual_server_group } virtual_server group... delay_loop 3 lvs_sched rr lvs_method NAT protocol TCP virtualhost example... sorry_server real_server

29 XXX XXX XXX -DSAS MATRIX XXX XXX XXX 28

30 MATRIX sh source /etc/dsas.conf alias Perl KLab::DSAS::MATRIX use KLab::DSAS::MATRIX; my $matrix = KLab::DSAS::MATRIX->new(); my $project = $matrix->project('usagi'); for my $svr ($project->assign_servers) { # do something... } PHP 29

31 dmetad HTTP GET sh YAML JSON 30

32 dmetad $ curl ps400: node=( ) ps500: node=( ) $ curl ps400: vip= ps500: vip= $ curl ps400: vip: ps500: vip: $ curl {"ps400":{"vip":" "},"ps500":{"vip":" "}} 31

33 dmetad #!/usr/bin/perl use Class::Component; lv ps node DRBD vid vrid 32

34 Excel MATRIX dmetad 33

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うちではこんな感じです

うちではこんな感じです ~Linux ロードバランサの活用事例 WEB+DB PRESS Tech Meeting 2007 年 12 月 20 日 KLab 株式会社 Kラボラトリーひろせまさあき今日のアジェンダアジェンダ自己紹介インフラ成長日記 2001 年から今日までもう少し詳しくロードバランサ 2 つのロードバランサまとめ自己紹介ひろせまさあき (id:hirose31) KLab