[B! keepalived] clavierã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯

clavier id:clavier

keepalivedã«é–¢ã™ã‚‹clavierã®ãƒ–ãƒƒã‚¯ãƒžãƒ¼ã‚¯ (5)

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ç¤¾å†…ã§ LVS å‹‰å¼·ä¼šã‚’é–‹å‚¬ã—ã¾ã—ãŸ - Hatena Developer Blog
ã‚·ã‚¹ãƒ†ãƒ ãƒ—ãƒ©ãƒƒãƒˆãƒ•ã‚©ãƒ¼ãƒ éƒ¨ã§ SRE ã‚’ã‚„ã£ã¦ã„ã¾ã™ id:nabeop ã§ã™ã€‚ ä»¥å‰ã”ç´¹ä»‹ã—ãŸé€šã‚Šã€ã¯ã¦ãªã§ã¯å®šæœŸçš„ã«å‹‰å¼·ä¼šã‚’å®Ÿæ–½ã—ã¦ã„ã¾ã™ãŒã€ã“ã®å‹‰å¼·ä¼šã¨ã¯åˆ¥æž ã§ LVS ã®å‹‰å¼·ä¼šã‚’çªç™ºã§é–‹å‚¬ã—ã¾ã—ãŸã€‚ speakerdeck.com ãã£ã‹ã‘ ã¯ã¦ãªã§ã® LVS/keepalived ã®ä½¿ã‚ã‚Œæ–¹ è³‡æ–™ã«ã¤ã„ã¦ L2/L3 ã®åŸºç¤ŽçŸ¥è˜ VRRP ã®åŸºç¤ŽçŸ¥è˜ LVS ã«ã¤ã„ã¦ keepalived ã«ã¤ã„ã¦ ã©ã†ã ã£ãŸã‹ æœ€å¾Œã« ãã£ã‹ã‘ å¹´æœ«å¹´å§‹ã§ã¾ã£ãŸã‚Šã—ã¦ã„ãŸã‚ã‚‹æ—¥ã€åŒåƒšã®åˆ†å ±ãƒãƒ£ãƒ³ãƒãƒ«ã§ LVS ã«ã¤ã„ã¦è‹¦æ‰‹æ„è˜ãŒã‚ã‚‹ã€ã¨ã®ã¤ã¶ã‚„ãã‚’ç›®ã«ã—ã¾ã—ãŸã€‚LVS ã«ã¤ã„ã¦ã¯ LVS-HOWTO ãªã©è‰¯è³ªãªãƒ‰ã‚ãƒ¥ãƒ¡ãƒ³ãƒˆãŒæƒã£ã¦ã„ã‚‹ã‘ã©ã€ãƒãƒƒãƒˆãƒ¯ãƒ¼ã‚¯ãƒ¬ã‚¤ãƒ¤ã®çŸ¥è˜ãŒå‰æã¨ã•ã‚Œã€äººã«ã‚ˆã£ã¦ã¯ãã®ã‚ãŸã‚Šã«è‹¦æ‰‹æ„è˜ãŒã‚ã‚‹ã‹ã‚‚ã—ã‚Œãªã„ãªã¨èª²é¡Œæ„Ÿã‚’ã‚‚ã£ã¦ã„ãŸã¨ã“ã‚ã§ã—ãŸã€‚æ™‚æœŸçš„ã«è‰¯ã„æ©Ÿä¼šã ã£ãŸã®ã§ã€çªç™º
clavier 2019/01/22
lvs

keepalived

Infrastructure

linux

network
ãƒªãƒ³ã‚¯
é›‘ãª LVS/TUN ã®è§£èª¬å›³ - muraæ—¥è¨˜ (halfrack)
LVS ã§ IPIP ã¨ DR(DSR) ã‚’ç”¨ã„ã‚‹å ´åˆã®ãƒ‘ã‚±ãƒƒãƒˆè§£é‡ˆãƒ•ãƒãƒ¼ã«ã¤ã„ã¦ã€é›‘ã«å›³ã‚’èµ·ã“ã—ãŸã®ã§ Web ã¸æ”¾æµã—ã¦ãŠãã¾ã™ã€‚ ãƒªãƒ³ã‚¯å…ˆã«ã‚ªãƒªã‚¸ãƒŠãƒ«ã‚µã‚¤ã‚ºã‚‚ã‚ã‚Šã¾ã™ã€‚ ãƒ›ãƒ¯ã‚¤ãƒˆãƒœãƒ¼ãƒ‰ã‚’å†™çœŸã«æ’®ã£ãŸãƒ¬ãƒ™ãƒ«ã§ãƒ„ãƒƒã‚³ãƒŸã©ã“ã‚ã‚‚ã‚ã‚Šã¾ã™ãŒã€æ–°äººã«èžã‹ã‚Œã¦èª¬æ˜Žã™ã‚‹ã¨ãã®ãŠä¾›ã«ä¾¿åˆ©ã‹ã‚‚ã—ã‚Œã¾ã›ã‚“ã€‚ keepalived + ipvs + tunl0 + lo0 ã®æ§‹æˆã¯æ–‡ç« ã§èª¬æ˜Žã™ã‚‹ã«ã¯ã‚„ã‚„ã“ã—ã™ãŽã‚‹ã®ã§ã€è§£èª¬ã™ã‚‹ãŸã‚ã«ã“ã†ã„ã†å›³ã‚’ä½•åº¦ã‚‚ãƒ›ãƒ¯ã‚¤ãƒˆãƒœãƒ¼ãƒ‰ã«æ›¸ã„ãŸè¦šãˆãŒã‚ã‚Šã¾ã™ã€‚
$é›‘ãª LVS/TUN ã®è§£èª¬å›³ - muraæ—¥è¨˜ (halfrack)$
clavier 2016/02/04
ã‚ã¨ã§èªã‚€

Linux

lvs

DSR

keepalived
ãƒªãƒ³ã‚¯
unicastå¯¾å¿œã§ã‚ˆã¿ãŒãˆã‚‹ keepalived on VPC-EC2 - ç¶š ã‚«ãƒƒã‚³ã®ä»˜ã‘æ–¹
AWSã‚’å§‹ã‚ã€ã»ã¨ã‚“ã©ã®ãƒ‘ãƒ–ãƒªãƒƒã‚¯ã‚¯ãƒ©ã‚¦ãƒ‰ã¯multicastãŒå‡ºæ¥ãªãã¦ä¸ä¾¿ã€‚ã¨è¨€ã‚ã‚Œã¦ãã¾ã—ãŸãŒã€ã ã£ãŸã‚‰unicastã§ã‚„ã£ã¦ã—ã¾ãˆã°è‰¯ã„ï¼ã¨ã„ã†è€ƒãˆæ–¹ãŒ 2013å¹´é ƒã™ã§ã«ã‚ã‚Šã¾ã—ãŸã€‚ãªãœmulticastã‚’ã‚„ã‚ŠãŸã„ã®ï¼Ÿã¨è¨€ã†ã¨ ãã†ã ãï¼ã€LVS + keepalived ã ãï¼ (ã‚ã¨ã¯ã‚´ã‚·ãƒƒãƒ—ãƒ—ãƒãƒˆã‚³ãƒ«) ã“ã‚Œã¾ãŸ2å¹´å‰ã« EC2 + LVM (DSR) ã‚’å®Ÿè·µã—ã¦ã¿ãŸã¨ã„ã†ç´ æ•µãªè§£èª¬ãŒã‚ã‚Šã€ãƒ‘ãƒƒãƒã‚’å½“ã¦ã‚Œã°ã„ã‘ã‚‹ ã¨ã„ã†ã“ã¨ã¯çŸ¥ã£ã¦ãŸã‘ã©ã€æœˆæ—¥ãŒãªãŒã‚Œã¦ ä»Šæ—¥keepalivedã®ç·æœ¬å±±ã‚’è¦‹ã¦ã¿ãŸã‚‰ http://www.keepalived.org/changelog.html Release 1.2.8 ãã‚‰ã„ã‹ã‚‰unicastå¯¾å¿œã—ã¦ã¾ã™ãã€‚ã¨ã„ã†ã‹ã€ä»Šæ›´é–‹ç™ºãŒæ´»ç™ºã«ãªã£ã¦ããŸã®ã‹ï¼Ÿã“ã‚Œã¯ã€‚ã¨ã„ã†ã‚ã‘ã§ã€æœ€æ–°ç‰ˆã® 1.2.19ã‚’ä½¿ã£ã¦ã¿ã¾ã™ã€‚ äºˆå‚™çŸ¥è˜ EC2ã§mul
clavier 2015/11/25
keepalived

ec2
ãƒªãƒ³ã‚¯
Keepalivedã«ã‚ˆã‚‹ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µLVSæ§‹ç¯‰ - RLB
LVSæ§‹ç¯‰ã«ãŠã‘ã‚‹æœ€å¼·ã®æ‰‹é †æ›¸ã‚’æ®‹ã—ã¦ã¿ã¾ã—ãŸã€‚ ã¯ã˜ã‚ã« ãƒãƒ¼ãƒ‰ãƒãƒ©ãƒ³ã‚µï¼ˆLVSï¼‰ã®éœ€è¦ã¯é–“é•ã„ãªãã‚ã‚‹ã¨æ€ã†ã®ã§ã™ãŒã€ã„ã‹ã‚“ã›ã‚“ãƒãƒƒãƒˆã«æƒ…å ±ãŒå°‘ãªã„ã€‚ ã‹ã®æœ‰åãªã€Œã‚µãƒ¼ãƒ/ã‚¤ãƒ³ãƒ•ãƒ©ã‚’æ”¯ãˆã‚‹æŠ€è¡“ã€ãŒå‡ºç‰ˆã•ã‚ŒãŸ2008å¹´ã‚ãŸã‚ŠãŒãƒ”ãƒ¼ã‚¯ã®æ„ŸãŒã‚ã‚‹ã€‚(Klabã•ã‚“ã®è¨˜äº‹ã«ã¯å¤§å¤‰ãŠä¸–è©±ã«ãªã‚Šã¾ã—ãŸ) Googleã§èª¿ã¹ã¦ã‚‚ã¾ã¨ã¾ã£ãŸæƒ…å ±ãŒãªã‹ã£ãŸã‚Šã™ã‚‹ã®ã§ã€æœ€åˆã¯å¤§å¤‰ã§ã—ãŸã€‚ æ™®æ®µã‚¤ãƒ³ãƒ•ãƒ©å‘¨ã‚Šã§ä»•äº‹ã—ã¦ã„ã‚‹ã®ã§ã€ãã“ã§åŸ¹ã£ãŸãƒŽã‚¦ãƒã‚¦ã‚’å‡ºã—ãŸã„ã¨æ€ã„ã¾ã™ã€‚ãƒžã‚¤ãƒ–ãƒã‚°å²ä¸Šæœ€å¤§ã®æƒ…å ±é‡ã€‚ ä»Šå›žã¯ã€ŒCentOS6.4 x86_64ãƒžã‚·ãƒ³ã€ã«ã€Œæœ€æ–°ç‰ˆkeepalived-1.2.7ã‚’å°Žå…¥ã€ã§ã€Œå‰²ã‚Šã¨æœ¬ç•ªé‹ç”¨ã«è€ãˆã‚‰ã‚Œã‚‹æ‰‹é †ã€ã‚’è§£èª¬ã€‚ã‚‚ã¡ã‚ã‚“å®šç•ªã®IPVS + Keepalived ã®Direct Server Return(DSR)æ§‹æˆã€‚ â€»æ˜¯éžã‚³ãƒ¡ãƒ³ãƒˆæ¬„ã§ã‚‚ã•ã‚‰ã«æœ‰ç›Šãªæƒ…å ±ãŒã‚ã‚Šã¾ã—ãŸã‚‰æ“è¿Žã§ã™ã€‚ å†…å®¹
clavier 2014/03/08
linux

LVS

keepalived

iptables
ãƒªãƒ³ã‚¯
EC2ã§keepalived+LVS(DSR)
9. å‹•ä½œç¢ºèª åŸºæœ¬æƒ…å ± â— ã‚¯ãƒ©ã‚¤ã‚¢ãƒ³ãƒˆ - curl â—‹ dagon - 10.0.214.215 â— keepalived+LVS â—‹ cthulhu(MASTER) - 10.0.214.216 â—‹ hastur(BACKUP) - 10.0.214.217 â— ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ - httpd â—‹ nyar - 10.0.214.218 â—‹ yog - 10.0.214.219 â— VIP â—‹ 192.168.200.16 10. å‹•ä½œç¢ºèª äº‹å‰æº–å‚™ â— LVSãƒ»ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã®ENIã®Source/Dest Check ã‚’disabledã«ã™ã‚‹ â— ãƒãƒƒã‚¯ã‚¨ãƒ³ãƒ‰ã§iptablesã®è¨å®š sudo iptables -t nat -A PREROUTING -d 192.168.200.16 -j REDIRECT 12. å‹•ä½œç¢ºèª - keepalived.cnf(cthulhu)
clavier 2014/03/06
aws

LVS

ec2

keepalived
ãƒªãƒ³ã‚¯
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