{"id":12421,"date":"2023-09-06T09:37:21","date_gmt":"2023-09-06T00:37:21","guid":{"rendered":"https:\/\/jennifersoft.com\/ko\/?p=12421"},"modified":"2024-03-28T15:11:11","modified_gmt":"2024-03-28T06:11:11","slug":"2023-09-06-jennifer-kubernetes-4","status":"publish","type":"post","link":"https:\/\/jennifersoft.com\/ko\/blog\/kubernetes\/2023-09-06-jennifer-kubernetes-4\/","title":{"rendered":"4. \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub124\ud2b8\uc6cc\ud06c \uc774\ud574"},"content":{"rendered":"\n
\"\"<\/figure>\n\n\n\n

\uc774\ubc88 \uc7a5\uc740 \uc2e4\uc2b5\uc744 \ud1b5\ud558\uc5ec \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc758 \uae30\ubcf8 \uac1c\ub150\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

1. \uae30\uc874 VM \ud658\uacbd\uacfc \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc758 \ub124\ud2b8\uc6cc\ud06c \ucc28\uc774\uc810<\/strong><\/h4>\n\n\n\n

\uae30\uc874 VM \ud658\uacbd\uc758 \ub124\ud2b8\uc6cc\ud06c\uc640 \ube44\uad50\ud558\uc5ec \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud658\uacbd\uc758 \ub124\ud2b8\uc6cc\ud06c\ub294 \uba87\uac00\uc9c0 \ucc28\uc774\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4. 
<\/p>\n\n\n\n

\ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \ucee8\ud14c\uc774\ub108 \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158 \ud50c\ub7ab\ud3fc\uc73c\ub85c, \ub124\ud2b8\uc6cc\ud06c \ucd94\uc0c1\ud654 \uc218\uc900\uc774 \ub192\uc2b5\ub2c8\ub2e4. \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub97c \uc0ac\uc6a9\ud558\uba74 \uc11c\ube44\uc2a4, \uc778\uadf8\ub808\uc2a4, \ub124\ud2b8\uc6cc\ud06c \ud3f4\ub9ac\uc2dc \ub4f1 \ub124\ud2b8\uc6cc\ud06c\uc640 \uad00\ub828\ub41c \ub9ac\uc18c\uc2a4\ub97c \uc0ac\uc6a9\ud558\ub294\ub370 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uac00 \ubcf5\uc7a1\ud55c \uc791\uc5c5\uc774\ub098 \uc138\ubd80 \uc0ac\ud56d\ub4e4\uc744 \ub2e8\uc21c\ud654\ud558\uc5ec \uc0ac\uc6a9\uc790\uc5d0\uac8c \ubcf4\uc774\uc9c0 \uc54a\uac8c \ud569\ub2c8\ub2e4. \uc0ac\uc6a9\uc790\ub294 \ub124\ud2b8\uc6cc\ud06c \uad00\ub828 \uc791\uc5c5\uc744 \uc218\ud589\ud560 \ub54c, \uadf8 \uc791\uc5c5\uc774 \uc5b4\ub5bb\uac8c \uc774\ub8e8\uc5b4\uc9c0\ub294\uc9c0 \ubaa8\ub974\ub354\ub77c\ub3c4 \uac04\ub2e8\ud55c \uba85\ub839\uc774\ub098 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574 \uc6d0\ud558\ub294 \uacb0\uacfc\ub97c \uc5bb\uc744 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uace0\uc218\uc900\uc758 \uac1d\uccb4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ubcf5\uc7a1\ud55c \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uc744 \ub2e8\uc21c\ud654\ud569\ub2c8\ub2e4. 
<\/p>\n\n\n\n

\uc774\uc5d0 \ube44\ud558\uc5ec VM \ud658\uacbd\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ubb3c\ub9ac\uc801 \ud558\ub4dc\uc6e8\uc5b4\uc640 \ubc00\uc811\ud558\uac8c \uc5f0\uacb0\ub418\uc5b4 \uc0c1\ub300\uc801\uc73c\ub85c \uc218\ub3d9\uc801\uc778 \uc124\uc815\uacfc \uad00\ub9ac\uac00 \ud544\uc694\ud569\ub2c8\ub2e4. \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub124\ud2b8\uc6cc\ud06c\ub294 \ub3d9\uc801\uc774\uace0 \uc790\ub3d9\ud654\ub41c \ud658\uacbd\uc744 \uc81c\uacf5\ud558\ub294 \ubc18\uba74, VM \ud658\uacbd\uc758 \ub124\ud2b8\uc6cc\ud06c\ub294 \uc885\uc885 \ub354 \uc138\ubc00\ud55c \uc81c\uc5b4\uc640 \ucd5c\uc801\ud654\ub41c \uc131\ub2a5\uc744 \uc81c\uacf5\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 
<\/p>\n\n\n\n

\uc608\ub97c \ub4e4\uc5b4 \uae30\uc874 VM \ud658\uacbd\uc5d0\uc11c \uc6f9 \uc11c\ubc84\uc640 DB \uc11c\ubc84 \uc5f0\uacb0 \uc2dc NGINX \uc6f9\uc11c\ubc84 \uc124\uc815\uc5d0 DB \uc11c\ubc84\uc778 MySQL\uc758 IP\ub97c \uc9c1\uc811 \uc785\ub825\ud574\uc57c \ud569\ub2c8\ub2e4. IP\ub294 \uace0\uc815\ub41c(Static) \uc815\ubcf4\ub77c \ub9cc\uc57d DB \uc11c\ubc84 IP\uac00 \ubcc0\uacbd\ub418\uac70\ub098 \ucd94\uac00\ub418\uc5b4 IP \ubcc0\ub3d9\uc774 \uc788\uc73c\uba74 NGINX \uc11c\ubc84\uc5d0\uc11c \uc77c\uc77c\uc774 \uc124\uc815\uc744 \ubcc0\uacbd\ud574\uc57c \ud569\ub2c8\ub2e4. \uadf8\uc5d0 \ube44\ud558\uc5ec \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \uae30\ubcf8 \uc124\uacc4 \ub514\uc790\uc778\uc774 \ud56d\uc0c1 \uace0\uac00\uc6a9\uc131\uc744 \uace0\ub824\ud558\ubbc0\ub85c \ud30c\ub4dc\uac00 \uc7ac\uc2dc\uc791\ub418\uc5b4 IP\uac00 \ubcc0\uacbd\ub418\uac70\ub098 \ub9ac\uc18c\uc2a4\uac00 \uc99d\uac00\ud558\uc5ec IP\uac00 \uc99d\uac00\ud558\uc5ec\ub3c4 \uc790\ub3d9\uc73c\ub85c \uc774\ub97c \uc778\uc2dd\ud569\ub2c8\ub2e4. \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \uc774\ub7ec\ud55c \uae30\ub2a5\uc744 \uc11c\ube44\uc2a4(Service)\ub77c\ub294 \ub9ac\uc18c\uc2a4\ub97c \uc774\uc6a9\ud558\uc5ec \ub3c4\uba54\uc778 \uae30\ubc18\uc73c\ub85c \ucc98\ub9ac\ud558\uc5ec \uc790\ub3d9 \uc124\uc815\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n

\ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \ub3d9\uc801 \ud658\uacbd\uc744 \uc9c0\uc6d0\ud558\uba70, \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac, \ub85c\ub4dc \ubc38\ub7f0\uc2f1, \ub124\ud2b8\uc6cc\ud06c \uaca9\ub9ac \ub4f1\uc744 \uc790\ub3d9\ud654\ud569\ub2c8\ub2e4. VM \ud658\uacbd\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \uae30\ub2a5\uc744 \uc218\ub3d9\uc73c\ub85c \uad6c\uc131\ud558\uac70\ub098 \ucd94\uac00 \ub3c4\uad6c\ub97c \uc0ac\uc6a9\ud574\uc57c \ud560 \uc218 \uc788\uc73c\uba70, \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc801\uc6a9\ud558\uae30 \uc704\ud574 \ub354 \ub9ce\uc740 \uc791\uc5c5\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n

\uadf8\ub9ac\uace0 \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \ud50c\ub7ab \ub124\ud2b8\uc6cc\ud06c \ubaa8\ub378\uc744 \uc0ac\uc6a9\ud558\uc5ec \ubaa8\ub4e0 \ud30c\ub4dc\uac00 \uc11c\ub85c \uc9c1\uc811 \ud1b5\uc2e0\ud560 \uc218 \uc788\ub3c4\ub85d \ud569\ub2c8\ub2e4. \uc774\ub97c \uc704\ud574 \ub2e4\uc591\ud55c CNI(Container Network Interface) \ud50c\ub7ec\uadf8\uc778\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. VM \ud658\uacbd\uc5d0\uc11c\ub294 \uc885\uc885 \ubcc4\ub3c4\uc758 VLAN, \uc11c\ube0c\ub137 \ub4f1\uc744 \uad6c\uc131\ud574\uc57c \ud558\uba70, \ub77c\uc6b0\ud305\uacfc \ubc29\ud654\ubcbd \uaddc\uce59\uc744 \uc218\ub3d9\uc73c\ub85c \uad00\ub9ac\ud569\ub2c8\ub2e4. \ubb3c\ub860, \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \ucd94\uc0c1\ud654\uc640 \uc790\ub3d9\ud654\uc758 \uc218\uc900\uc774 \ub192\uc544 \uad00\ub9ac\uac00 \uc6a9\uc774\ud558\ub098, \uc774\ub85c \uc778\ud574 VM \ud658\uacbd\uc5d0 \ube44\ud574 \uc57d\uac04\uc758 \uc624\ubc84\ud5e4\ub4dc\uac00 \ubc1c\uc0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n

\uac1c\uc778\uc801\uc73c\ub85c \ucc98\uc74c\uc5d0 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc758 \uc0c8\ub85c\uc6b4 \ub124\ud2b8\uc6cc\ud06c \ub9ac\uc18c\uc2a4\uc778 \uc11c\ube44\uc2a4, \uc778\uadf8\ub808\uc2a4 \ub4f1\uc744 \uc774\ud574\ud558\uae30 \uc5b4\ub824\uc6e0\uc9c0\ub9cc \uc2e4\uc81c \uc0ac\uc6a9\uc744 \ud574\ubcf4\ub2c8 VM \ud658\uacbd\ubcf4\ub2e4 \ucd94\uc0c1\ud654, \uc790\ub3d9\ud654\uac00 \uc798\ub418\uc5b4\uc788\uc5b4 \uc6b4\uc601\ud558\uae30\uac00 \ud6e8\uc52c \uc6a9\uc774\ud558\uc600\uc2b5\ub2c8\ub2e4. \ub300\ubd80\ubd84\uc758 \ud658\uacbd\uc5d0\uc11c \ubcc4\ub3c4\uc758 \ub124\ud2b8\uc6cc\ud06c \ub2f4\ub2f9\uc790 \uc5c6\uc774 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4\ub97c \uc6b4\uc601\ud558\uae30\uc5d0 \ud070 \ubb34\ub9ac\uac00 \uc5c6\uc5c8\uc2b5\ub2c8\ub2e4. <\/p>\n\n\n\n

2. CNI(Container Network Interface)\uc758 \uc774\ud574\uc640 EKS VPC_CNI\uc758 \ud2b9\uc9d5<\/strong><\/h4>\n\n\n\n

CNI\ub294 \ucee8\ud14c\uc774\ub108 \uc624\ucf00\uc2a4\ud2b8\ub808\uc774\uc158 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc744 \ub2f4\ub2f9\ud558\ub294 \ud45c\uc900 \uc778\ud130\ud398\uc774\uc2a4\uc785\ub2c8\ub2e4. \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \uc2e4\ud589 \uc911\uc778 \ud30c\ub4dc\uc758 \ub124\ud2b8\uc6cc\ud06c \uad6c\uc131\uacfc \ub0b4, \uc678\ubd80 \ud1b5\uc2e0\uc744 \uad00\ub9ac\ud558\ub294 \uc911\uc694\ud55c \uc5ed\ud560\uc744 \ud569\ub2c8\ub2e4. CNI\ub294 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud0b9 \uae30\uc220\uacfc \ubb34\uad00\ud55c \ud45c\uc900\ud654\ub41c \uc778\ud130\ud398\uc774\uc2a4\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4. \uc774 \uc778\ud130\ud398\uc774\uc2a4\ub97c \ud1b5\ud574 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \ud50c\ub7ec\uadf8\uc778\uc744 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0 \uc27d\uac8c \ud1b5\ud569\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. CNI \ud45c\uc900\ub9cc \uc900\uc218\ud55c\ub2e4\uba74 \ub2e4\uc591\ud55c \uc194\ub8e8\uc158\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n

CNI\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uac00 \ub124\ud2b8\uc6cc\ud06c\ub97c \ud6a8\uc728\uc801\uc73c\ub85c \uad00\ub9ac\ud558\uace0 \ud655\uc7a5\uc131\uc744 \uc81c\uacf5\ud558\uba74\uc11c\ub3c4 \ud2b9\uc815 \ub124\ud2b8\uc6cc\ud06c \uad6c\ud604\uc5d0 \uc885\uc18d\ub418\uc9c0 \uc54a\uac8c \ud574\uc90d\ub2c8\ub2e4. \uc774\ub85c\uc368 \uac1c\ubc1c\uc790\uc640 \uc2dc\uc2a4\ud15c \uad00\ub9ac\uc790\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud074\ub7ec\uc2a4\ud130\uc758 \ub124\ud2b8\uc6cc\ud06c \uc694\uad6c \uc0ac\ud56d\uc5d0 \uac00\uc7a5 \uc801\ud569\ud55c \uc194\ub8e8\uc158\uc744 \uc790\uc720\ub86d\uac8c \uc120\ud0dd\ud560 \uc218 \uc788\uac8c \ub418\ub294 \uac83\uc785\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4, \uc624\ubc84\ub808\uc774 \ub124\ud2b8\uc6cc\ud06c\ub098 SDN \uc194\ub8e8\uc158\uacfc \uac19\uc774 \ud2b9\uc815 \uc694\uad6c \uc0ac\ud56d\uc5d0 \ub530\ub978 \ub2e4\uc591\ud55c \ub124\ud2b8\uc6cc\ud06c \uad6c\ud604\uc744 \uc120\ud0dd\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n

CNI\ub294 \ucee8\ud14c\uc774\ub108\uac00 \uc0dd\uc131\ub418\uac70\ub098 \uc0ad\uc81c\ub420 \ub54c, CNI \ud50c\ub7ec\uadf8\uc778\uc740 \ud574\ub2f9 \ucee8\ud14c\uc774\ub108\uc5d0 \ud544\uc694\ud55c \ub124\ud2b8\uc6cc\ud06c \ub9ac\uc18c\uc2a4\ub97c \uc790\ub3d9\uc73c\ub85c \ud560\ub2f9\ud558\uac70\ub098 \ud574\uc81c\ud569\ub2c8\ub2e4. \ud2b9\uc815 CNI \ud50c\ub7ec\uadf8\uc778\uc740 Network Policy\ub97c \uc9c0\uc6d0\ud558\uc5ec \uac1c\ubcc4 \ud30c\ub4dc \ub2e8\uc704\ub85c \ubc29\ud654\ubcbd\uc73c\ub85c \uc791\ub3d9\ud558\uc5ec \ucee8\ud14c\uc774\ub108 \uac04\uc758 \ud2b8\ub798\ud53d \ud750\ub984\uc744 \uc81c\uc5b4\ud558\uace0 \ubcf4\uc548\uc744 \uac15\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n

CNI \uc885\ub958\ub85c \ub124\uc774\ud2f0\ube0c \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud658\uacbd\uc5d0\uc11c\ub294 Calico, Flannel, Cillium \ub4f1\uc774 \uc788\ub294\ub370 \uc8fc\ub85c Calico\ub97c \ub9ce\uc774 \uc0ac\uc6a9\ud558\uace0 \ucd5c\uadfc\uc5d0\ub294 eBPF \ud658\uacbd\uc774\ub77c \uc131\ub2a5 \ubc0f \ud655\uc7a5\uc131\uc774 \uc88b\uc740 Cillium\ub3c4 \ub9ce\uc774 \uace0\ub824\ub429\ub2c8\ub2e4. EKS\ub294 \uae30\ubcf8 CNI\uc778 AWS VPC-CNI\ub97c \uac70\uc758 \ub300\ubd80\ubd84 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. AWS VPC-CNI\uc758 \uac00\uc7a5 \ud070 \ud2b9\uc9d5\uc740 \ud30c\ub4dc\uc640 \ub178\ub4dc\uc758 IP\uac00 \ub3d9\uc77c\ud55c VPC \ub300\uc5ed\uc758 IP\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc785\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc11c\ub85c \ub2e4\ub978 \ub178\ub4dc\uc758 \ud30c\ub4dc \uac04 \ud1b5\uc2e0 \uc2dc \ud30c\ub4dc\uc640 \ub178\ub4dc\uc758 IP\uac00 \ub2e4\ub978 \uacbd\uc6b0 \ubc1c\uc0dd\ud558\ub294 \ucd94\uac00\uc801\uc778 IP \ubcc0\uacbd(NAT, Network Address Translation) \uc791\uc5c5\uc5c6\uc774 \uc9c1\uc811 \ud1b5\uc2e0\uc774 \uac00\ub2a5\ud558\uc5ec \uc131\ub2a5\uc774 \ud5a5\uc0c1\ub429\ub2c8\ub2e4. \ubb3c\ub860 \ub3d9\uc77c\ud55c \ub300\uc5ed\uc744 \uc0ac\uc6a9\ud558\uc5ec \ud30c\ub4dc\uc758 IP\uac00 \ub9ce\uc774 \ud544\uc694\ud558\uc5ec VPC IP \ub300\uc5ed\uc744 \ubbf8\ub9ac \ucda9\ubd84\ud558\uac8c \ud560\ub2f9(\/20 \uc774\uc0c1 \uad8c\uace0, 4096\uac1c)\ud558\uae30\ub97c \uad8c\uace0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n

\"\"\/
<From: AWS<\/a>><\/strong><\/figcaption><\/figure>\n\n\n\n
\"\"\/
<From: contino<\/a>><\/strong><\/figcaption><\/figure>\n\n\n\n

\uadf8\ub7fc, EKS \ud658\uacbd\uc5d0\uc11c \uc9c1\uc811 \ud30c\ub4dc IP\ub97c \ud655\uc778\ud558\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n

k get pod -o wide\nNAME                           READY   STATUS    RESTARTS   AGE     IP              NODE                                               NOMINATED NODE   READINESS GATES\nnginx-hello-7d95c6dbcb-8dnbs   1\/1     Running   0          4h50m   10.110.23.249   ip-10-110-24-222.ap-southeast-1.compute.internal   <none>           <none><\/pre>\n\n\n\n
\ud30c\ub4dc \ud604\ud669\uc744 \ud655\uc778\ud558\ub294 \u2018k get pod\u2019 \uba85\ub839\uc5b4\uc5d0 \u2018-o wide\u2019\ub97c \ucd94\uac00\ud558\uba74 IP \uc815\ubcf4\uae4c\uc9c0 \uac19\uc774 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uc704 \ucd9c\ub825 \uacb0\uacfc\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\ub4ef\uc774 \ud30c\ub4dc\uc758 IP\uac00 \u201810.110.23.249\u2019 \uc785\ub2c8\ub2e4. \uadf8\ub9ac\uace0 \ud574\ub2f9 \ud30c\ub4dc\uac00 \uc2e4\ud589\ub418\ub294 \ub178\ub4dc\uc758 \ud638\uc2a4\ud2b8\ub124\uc784\uc774 \u2018ip-10-110-24-222.ap-southeast-1.compute.internal\u2019 \uc778\ub370 \ud638\uc2a4\ud2b8\ub124\uc784\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774 \ub178\ub4dc\uc758 IP\uac00 \u201810.110.24.222\u2019 \uc784\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud30c\ub4dc\uc640 \ub178\ub4dc\uc758 IP \ub300\uc5ed\uc774 \ub3d9\uc77c\ud558\uac8c 10.110.x.x\ub97c \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \uc54c \uc218 \uc788\uc2b5\ub2c8\ub2e4.\uc774\uc5d0 \ubc18\ud558\uc5ec \ub124\uc774\ud2f0\ube0c \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud658\uacbd\uc740 \ud30c\ub4dc\uc640 \ub178\ub4dc\uac00 \uc0ac\uc6a9\ud558\ub294 IP \ub300\uc5ed\uc774 \uc11c\ub85c \ub2e4\ub985\ub2c8\ub2e4.<\/p>\n\n\n\n
k get pod -o wide\nNAME                        READY   STATUS    RESTARTS   AGE   IP               NODE      NOMINATED NODE   READINESS GATES\nnetshoot-796845c847-t888l   1\/1     Running   0          76s   10.233.104.127   master1   <none>           <none>\n\nk get nodes -o wide master1\nNAME      STATUS   ROLES           AGE    VERSION   INTERNAL-IP     EXTERNAL-IP   OS-IMAGE             KERNEL-VERSION       CONTAINER-RUNTIME\nmaster1   Ready    control-plane   107d   v1.26.2   192.168.1.101   <none>        Ubuntu 18.04.6 LTS   4.15.0-206-generic   containerd:\/\/1.7.0<\/pre>\n\n\n\n
\ub124\uc774\ud2f0\ube0c \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud658\uacbd\uc5d0\uc11c \uc2e4\ud589\ud55c \u2018netshoot-xxxx\u2019 \ud30c\ub4dc\uc758 IP\ub294 \u201810.233.104.127\u2019\uc774\uba70 \ud574\ub2f9 \ud30c\ub4dc\uac00 \uc2e4\ud589 \uc911\uc778 master1 \ub178\ub4dc\uc758 IP\ub294 \u2018192.168.1.101\u2019 \uc785\ub2c8\ub2e4. 10.233.x.x \uacfc 192.168.x.x\uc73c\ub85c \uc11c\ub85c \ub2e4\ub978 IP \ub300\uc5ed\uc744 \uc0ac\uc6a9\ud558\ub294 \uac83\uc744 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub530\ub77c\uc11c \uc11c\ub85c \ub2e4\ub978 \ub178\ub4dc\uc5d0\uc11c \uc2e4\ud589 \uc911\uc778 \ud30c\ub4dc\uac00 \ud1b5\uc2e0\uc744 \ud558\uae30 \uc704\ud574\uc11c\ub294 \uc911\uac04 \ub2e8\uacc4\uc5d0\uc11c \ub178\ub4dc\uc758 IP\ub85c IP\ub97c \ubcc0\uacbd\ud558\ub294 \uc791\uc5c5\uc774 \ud544\uc694\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"\/
<From: contino<\/a>><\/strong><\/figcaption><\/figure>\n\n\n\n
3. \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub9ac\uc18c\uc2a4 Service\uc758 \uc8fc\uc694 \uae30\ub2a5 \uc2e4\uc2b5 : \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac, \ub85c\ub4dc\ubc38\ub7f0\uc2f1<\/strong><\/h4>\n\n\n\n
\ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \uc11c\ube44\uc2a4(Service) \ub9ac\uc18c\uc2a4\ub97c \uc774\uc6a9\ud558\uc5ec \ud074\ub7ec\uc2a4\ud130 \ub0b4, \uc678\ubd80\uc758 \ud2b8\ub798\ud53d\uc744 \ud30c\ub4dc\uc640 \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c IT\uc5d0\uc11c \uc11c\ube44\uc2a4\ub780 \uc6f9 \uc11c\ube44\uc2a4, DB \uc11c\ube44\uc2a4 \ub4f1 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \ud30c\ub4dc\uc640 \ud30c\ub4dc\uac00 \uc11c\ub85c \uc5f0\uacb0\ud558\ub294 \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \uc758\ubbf8\ub85c \uc0ac\uc6a9\ud558\uc5ec \ub124\ud2b8\uc6cc\ud06c \uc11c\ube44\uc2a4\ub97c \uc81c\uacf5\ud558\ub294 \uc758\ubbf8\ub85c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ucc98\uc74c \uc811\ud558\ub294 \ubd84\ub4e4\uc774 \ud754\ud788 \ud63c\ub3d9\ud558\ub294 \ub0b4\uc6a9\uc785\ub2c8\ub2e4. \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c \uc11c\ube44\uc2a4\ub294 \uc560\ud50c\ub9ac\ucf00\uc774\uc158\uc758 \ub0b4\ubd80\uc640 \uc678\ubd80 \uac04\uc758 \ub124\ud2b8\uc6cc\ud06c \ud1b5\uc2e0\uc744 \uad00\ub9ac\ud558\ub294 \ucd94\uc0c1\ud654\ub41c \uac1c\ub150\uc774\ub77c\uace0 \uc0dd\uac01\ud558\uba74 \uc870\uae08 \ud3b8\ub9ac\ud569\ub2c8\ub2e4. 
<\/p>\n\n\n\n
\ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4\uc758 \uc8fc\uc694 \ud2b9\uc9d5\uc740 \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac\uc640 \ub85c\ub4dc\ubc38\ub7f0\uc2f1\uc785\ub2c8\ub2e4. \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac(discovery)\ub780 discovery \uc774\ub984\uc5d0\uc11c \uc54c \uc218 \uc788\ub4ef\uc774 \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc790\ub3d9\uc73c\ub85c \ubc1c\uacac\ud558\ub294 \uae30\ub2a5\uc785\ub2c8\ub2e4. \ud074\ub7ec\uc2a4\ud130\uc5d0\uc11c \ub3d9\uc801\uc73c\ub85c \ud30c\ub4dc\ub97c \uc0dd\uc131\ud558\uac70\ub098 \uc0ad\uc81c\ud558\uba74 \uc774\ub7ec\ud55c \ubcc0\uacbd \uc0ac\ud56d\uc744 \uc11c\ube44\uc2a4\uac00 \uac10\uc9c0\ud558\uace0 \ub0b4\ubd80\uc5d0 \uc790\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud558\uc5ec \uae30\uc874 \ud30c\ub4dc \uc5f0\uacb0\uc744 \uc720\uc9c0\ud569\ub2c8\ub2e4. \uae30\uc874 VM \ud658\uacbd\uc5d0\uc11c\ub294 VM\uc758 IP\uac00 \ubcc0\uacbd\ub418\uba74 \uc218\ub3d9\uc73c\ub85c \uc124\uc815 \ud30c\uc77c\uc5d0 \ubcc0\uacbd\ub41c IP\ub97c \ub4f1\ub85d\ud574\uc57c \ud558\ub294\ub370 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud658\uacbd\uc5d0\uc11c\ub294 \uc790\ub3d9\uc73c\ub85c \uc5c5\ub370\uc774\ud2b8\ud558\uc5ec \ucd94\uac00 \uc124\uc815\uc774 \ud544\uc694\uc5c6\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n
\ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 DNS \uae30\ub2a5\uc744 \uc774\uc6a9\ud558\uc5ec \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac\ub97c \uad6c\ud604\ud569\ub2c8\ub2e4. \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4\ub294 \uac01 \uc11c\ube44\uc2a4\ub9c8\ub2e4 \uace0\uc720\ud55c DNS \uc774\ub984\uc744 \ub4f1\ub85d\ud558\uace0 \uac01 \ud30c\ub4dc \uac04 \ud1b5\uc2e0 \uc2dc \ud30c\ub4dc\ub294 \uc11c\ube44\uc2a4 \uc774\ub984\uc744 \uc774\uc6a9\ud558\uc5ec \uc5f0\uacb0\ud569\ub2c8\ub2e4. \uc11c\ube44\uc2a4 \uc774\ub984\uc5d0 \ub4f1\ub85d\ub41c \ud30c\ub4dc\uc758 IP \uc8fc\uc18c\uc640 \ud3ec\ud2b8 \ubc88\ud638\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub0b4\ubd80\uc758 \uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac \uba54\ucee4\ub2c8\uc998\uc744 \uc774\uc6a9\ud558\uc5ec \uc2e4\uc2dc\uac04\uc73c\ub85c \ud30c\ub4dc\uc758 \ubcc0\uacbd \uc5ec\ubd80\ub97c \uccb4\ud06c\ud558\uc5ec \ubcc0\uacbd \uc0ac\ud56d\uc774 \uc5c5\ub370\uc774\ud2b8\ub429\ub2c8\ub2e4. \uc77c\ubc18\uc801\uc73c\ub85c \ud30c\ub4dc\ub294 \uc5f0\uacb0\ud558\ub824\ub294 \ud30c\ub4dc(\uc6f9\uc11c\ubc84\uc758 DB \uc11c\ubc84 \uc815\ubcf4 \ub4f1)\uc758 \uc11c\ube44\uc2a4 \uc774\ub984\uc744 \ud658\uacbd \ubcc0\uc218(ConfigMap \uc774\uc6a9 \uad8c\uc7a5)\uc5d0 \ub4f1\ub85d\ud558\uc5ec \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"\/
<\uc11c\ube44\uc2a4 \ub514\uc2a4\ucee4\ubc84\ub9ac><\/figcaption><\/figure>\n\n\n\n
\ub610\ud55c, \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4\ub294 \ub85c\ub4dc \ubc38\ub7f0\uc2f1 \uae30\ub2a5\uc744 \uc9c0\uc6d0\ud558\uc5ec \uc11c\ube44\uc2a4 \uc774\ub984\uc5d0 \ub4f1\ub85d\ub41c \uc5ec\ub7ec \ud30c\ub4dc\uc5d0 \ud2b8\ub798\ud53d\uc744 \ubd84\uc0b0\ud558\uc5ec \uc804\ub2ec\ud569\ub2c8\ub2e4. \ud30c\ub4dc\uac00 \uc2e4\ud589\ud558\ub294 \ub178\ub4dc\uc758 iptables(\ub610\ub294 IPVS)\uc758 \ub85c\ub4dc\ubc38\ub7f0\uc2f1 \uae30\ub2a5\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ud30c\ub4dc \uc218\ub7c9\uc774 \uc99d\uac00\ud558\uc5ec \uc5ec\ub7ec \uac1c\uac00 \uc788\uc744 \uacbd\uc6b0 \uc11c\ube44\uc2a4\ub294 \ud2b8\ub798\ud53d\uc744 \ud30c\ub4dc\ub4e4 \uc0ac\uc774\uc5d0 \uade0\ub4f1\ud558\uac8c \ubd84\ubc30\ud558\uc5ec \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uac00\uc6a9\uc131\uacfc \ud655\uc7a5\uc131\uc744 \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\uc2e4\uc2b5<\/strong>
\uadf8\ub7fc \ud30c\ub4dc(Deployment)\uc640 \uc11c\ube44\uc2a4\ub97c \uc9c1\uc811 \ub9cc\ub4e4\uc5b4 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
nginx-deploy<\/a><\/strong><\/p>\n\n\n\n
apiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: nginx-hello\n  namespace: default\n  labels:\n    app: nginx\nspec:\n  replicas: 1\n  selector:\n    matchLabels:\n      app: nginx\n  template:\n    metadata:\n      labels:\n        app: nginx\n    spec:\n      containers:\n      - name: nginx\n        image: nginxdemos\/hello<\/pre>\n\n\n\n
Nginx\ub97c \uc2e4\ud589\ud558\ub294 \uac04\ub2e8\ud55c Deployment \ud30c\uc77c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
spec.template.metadata.labels.app: nginx<\/p>\n\n\n\n
\ub808\uc774\ube14\uc774 app: nginx\ub85c \uc9c0\uc815\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \ud5a5\ud6c4 \uc774 \ub808\uc774\ube14 \uc774\ub984\uc744 \uae30\uc900\uc73c\ub85c \uc11c\ube44\uc2a4 \ub9ac\uc18c\uc2a4\uac00 Nginx \ud30c\ub4dc\ub97c \uc120\ud0dd\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
clusterIP-svc<\/a><\/p>\n\n\n\n
apiVersion: v1\nkind: Service\nmetadata:\n  name: nginx-svc\nspec:\n  selector:  # \uc120\ud0dd\ud574\uc57c \ud560 \ud30c\ub4dc\ub97c \uc9c0\uc815\n    app: nginx  # \ud30c\ub4dc Label\uacfc \ub3d9\uc77c\n  type: ClusterIP\n  ports:\n  - name: tcp\n    port: 80\n    targetPort: 80<\/pre>\n\n\n\n
\uc704\uc5d0\uc11c \uc120\uc5b8\ud55c Nginx Deployment\uc640 \uc5f0\uacb0\ud558\ub294 \uc11c\ube44\uc2a4 \uba85\uc138\uc11c(\ub9e4\ub2c8\ud398\uc2a4\ud2b8) \ud30c\uc77c\uc785\ub2c8\ub2e4.
<\/p>\n\n\n\n
spec.selector.app: nginx<\/p>\n\n\n\n
\uc11c\ube44\uc2a4\ub294 selector \uc18d\uc131\uc744 \uc774\uc6a9\ud558\uc5ec \uc11c\ube44\uc2a4 \ub9ac\uc18c\uc2a4\uac00 \uc5f0\uacb0\ud560 \ud30c\ub4dc\ub97c \uc120\ud0dd(select)\ud569\ub2c8\ub2e4. \uc5ec\ub7ec \uac1c\uc758 \ud30c\ub4dc \uc911\uc5d0\uc11c \ub0b4\uac00 \uc120\ud0dd\ud560 \ud30c\ub4dc\ub97c \ub808\uc774\ube14(app: nginx)\uc744 \uc774\uc6a9\ud558\uc5ec \uc9c0\uc815\ud569\ub2c8\ub2e4. 
<\/p>\n\n\n\n
spec.ports.port: 80<\/p>\n\n\n\n
\uc11c\ube44\uc2a4\uac00 \ub178\ucd9c\ud558\ub294 \ud3ec\ud2b8 \ubc88\ud638\ub97c \uc9c0\uc815\ud569\ub2c8\ub2e4. \ud074\ub77c\uc774\uc5b8\ud2b8\ub85c \uc0ac\uc6a9\ud558\ub294 \ub2e4\ub978 \ud30c\ub4dc\uc5d0\uc11c \uc5f0\uacb0\ud558\ub294 \ud3ec\ud2b8 \ubc88\ud638\uc785\ub2c8\ub2e4.
<\/p>\n\n\n\n
spec.ports.targetPort: 80<\/p>\n\n\n\n
\uc11c\ube44\uc2a4\uac00 \ubc14\ub77c\ubcf4\ub294 \ud0c0\uac9f \ud30c\ub4dc\uc758 \ud3ec\ud2b8 \ubc88\ud638\uc785\ub2c8\ub2e4. \uc704\uc758 \uacbd\uc6b0 80 \uc774\ubbc0\ub85c \ud0c0\uac9f\uc774 \ub418\ub294 nginx \ud30c\ub4dc\uc758 80 \ud3ec\ud2b8\ub85c \uc5f0\uacb0\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n
\"\"\/
<\uc11c\ube44\uc2a4 & target port>
<\/figcaption><\/figure>\n\n\n\n
\uadf8\ub7fc \uc704 YAML \ud30c\uc77c \uae30\uc900\uc73c\ub85c Deployment, Service \ub9ac\uc18c\uc2a4\ub97c \uc0dd\uc131\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
$ (\u2388 |switch-singapore-test:default) k apply -f nginx-deploy.yaml -f clusterIP-svc.yml \ndeployment.apps\/nginx-hello created\nservice\/nginx-svc created<\/pre>\n\n\n\n
$ (\u2388 |switch-singapore-test:default) k get deploy,svc               \nNAME                          READY   UP-TO-DATE   AVAILABLE   AGE\ndeployment.apps\/nginx-hello   1\/1     1            1           75s\n\nNAME                 TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)   AGE\nservice\/nginx-svc    ClusterIP   172.20.107.173   <none>        80\/TCP    74s<\/pre>\n\n\n\n
\uc704\uc640 \uac19\uc774 nginx-svc \ub77c\ub294 \uc774\ub984\uc73c\ub85c \uc11c\ube44\uc2a4 \ub9ac\uc18c\uc2a4\uac00 \uc0dd\uc131\ub418\uc5c8\uc2b5\ub2c8\ub2e4. \uc774\uc81c \ub2e4\ub978 \ud30c\ub4dc\uc5d0\uc11c nginx-hello \ud30c\ub4dc\ub97c \uc5f0\uacb0\ud558\uae30 \uc704\ud574\uc11c \uc11c\ube44\uc2a4 \uc774\ub984\uc778 nginx-svc\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n
\uc774\ub807\uac8c \uc11c\ube44\uc2a4\uac00 \uc0dd\uc131\ub418\uba74 \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \uc5d4\ub4dc\ud3ec\uc778\ud2b8(endpoint, \uc885\uc810) \ucee8\ud2b8\ub864\ub7ec\ub97c \uc774\uc6a9\ud558\uc5ec \uc11c\ube44\uc2a4\ub97c \uad00\ub9ac\ud569\ub2c8\ub2e4. \uc5d4\ub4dc\ud3ec\uc778\ud2b8\ub294 \uc11c\ube44\uc2a4\uc640 \ud30c\ub4dc\uac04\uc758 \uc5f0\uacb0(endpoint)\uc744 \uad00\ub9ac\ud558\uc5ec \ud30c\ub4dc\uc758 \uc0c1\ud0dc\uac00 \ubcc0\uacbd\ub418\uc5b4 IP \uc815\ubcf4\uac00 \ubcc0\uacbd\ub418\uba74 \uc790\ub3d9\uc73c\ub85c \ud574\ub2f9 \uc815\ubcf4\ub97c \uc5c5\ub370\uc774\ud2b8 \ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
[(jerry-test:default) service]$ k get endpoints nginx-svc \nNAME        ENDPOINTS         AGE\nnginx-svc   10.110.12.31:80   7m34s<\/pre>\n\n\n\n
ep(endpoint \uc904\uc784\ub9d0) \ub9ac\uc18c\uc2a4\ub97c \ud655\uc778\ud558\uba74 nginx-svc \uc11c\ube44\uc2a4 \uc774\ub984\uacfc nginx \ud30c\ub4dc\uc758 IP:\ud3ec\ud2b8(10.110.12.31:80)\ub97c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. nginx-svc \uc774\ub984\uacfc nginx \ud30c\ub4dc\uac00 \uc11c\ub85c \uc815\uc0c1 \uc5f0\uacb0\ub418\uc5c8\ub2e4\ub294 \uc758\ubbf8\uc785\ub2c8\ub2e4.
<\/p>\n\n\n\n
\uadf8\ub7fc \uc0c8\ub85c\uc6b4 \ud30c\ub4dc\ub97c \uc2e4\ud589\ud558\uc5ec \uc11c\ube44\uc2a4 \uc774\ub984\uc73c\ub85c \ud1b5\uc2e0\ud558\uaca0\uc2b5\ub2c8\ub2e4. \ub124\ud2b8\uc6cc\ud06c \ud2b8\ub7ec\ube14\uc288\ud305 \uc6a9\ub3c4\ub85c \ub9ce\uc774 \uc0ac\uc6a9\ud558\ub294 netshoot \uc774\ubbf8\uc9c0\ub97c \uac00\uc9c0\ub294 \ub514\ud50c\ub85c\uc774\ub97c \uc2e4\ud589\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
netshoot-deploy<\/a><\/strong><\/p>\n\n\n\n
apiVersion: apps\/v1\nkind: Deployment\nmetadata:\n  name: netshoot\n  labels:\n    app: netshoot\nspec:\n  replicas: 1\n  selector:\n    matchLabels:\n      app: netshoot\n  template:    \n    metadata:\n      labels:\n        app: netshoot\n    spec:\n      containers:\n      - name: netshoot\n        image: nicolaka\/netshoot\n        args:\n        - sleep\n        - infinity<\/pre>\n\n\n\n
netshoot-xxxx \uc774\ub984\uc758 \ud30c\ub4dc\uac00 \uc2e4\ud589\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n
[(jerry-test:default) ~]$ k get pod netshoot-7844866874-xjhc9\nNAME                        READY   STATUS    RESTARTS   AGE\nnetshoot-7844866874-xjhc9   1\/1     Running   0          6m2s<\/pre>\n\n\n\n
\ud574\ub2f9 \ud30c\ub4dc\uc5d0 \uc811\uc18d\ud558\uc5ec nginx-svc \uc11c\ube44\uc2a4 \uc774\ub984\uc73c\ub85c \ud30c\ub4dc \uac04 \uc5f0\uacb0\uc774 \uac00\ub2a5\ud569\ub2c8\ub2e4. \ub9c8\uce58 VM\uc5d0 SSH\ub85c \uc5f0\uacb0\ud558\ub294 \uac83\ucc98\ub7fc \ud30c\ub4dc\uc5d0 \uc811\uc18d\ud558\uae30 \uc704\ud558\uc5ec exec(\uc2e4\ud589) + bash \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
[(jerry-test:default) ~]$ k exec -it netshoot-7844866874-xjhc9 -- bash\nnetshoot-7844866874-xjhc9:~# curl -I nginx-svc\nHTTP\/1.1 200 OK\nServer: nginx\/1.25.2\nDate: Tue, 29 Aug 2023 18:34:36 GMT\nContent-Type: text\/html\nConnection: keep-alive\nExpires: Tue, 29 Aug 2023 18:34:35 GMT\nCache-Control: no-cache<\/pre>\n\n\n\n
nginx-svc \uc11c\ube44\uc2a4 \uc774\ub984\uc73c\ub85c curl \uba85\ub839\uc5b4\uac00 \uc815\uc0c1\uc73c\ub85c \uc2e4\ud589\ub429\ub2c8\ub2e4. \uc774\ucc98\ub7fc \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud658\uacbd\uc5d0\uc11c \ud30c\ub4dc \uac04 \uc5f0\uacb0\uc5d0 \uc11c\ube44\uc2a4 \uc774\ub984\uc744 \uc0ac\uc6a9\ud558\uba74 \ub429\ub2c8\ub2e4.
<\/p>\n\n\n\n
\ub2e4\uc74c\uc73c\ub85c \uc11c\ub85c \ub2e4\ub978 \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uac04 \ud30c\ub4dc\uc758 \ud1b5\uc2e0\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \uba3c\uc800 \ub124\uc784\uc2a4\ud398\uc774\uc2a4(Namespace)\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud074\ub7ec\uc2a4\ud130 \ub0b4\uc5d0\uc11c \ub9ac\uc18c\uc2a4\ub4e4\uc744 \uad6c\ubd84\ud558\uace0 \uaca9\ub9ac\ud558\ub294 \ub17c\ub9ac\uc801\uc778 \uacf5\uac04\uc785\ub2c8\ub2e4. \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub97c \uc0ac\uc6a9\ud558\uc5ec \ud074\ub7ec\uc2a4\ud130 \ub0b4\uc758 \ub9ac\uc18c\uc2a4\ub97c \uadf8\ub8f9\ud654\ud558\uc5ec \ub9ac\uc18c\uc2a4 \uac04 \ucda9\ub3cc\uc774\ub098 \ud63c\ub3d9\uc744 \ubc29\uc9c0\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \uac19\uc740 \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc548\uc5d0\uc11c\ub294 \ud30c\ub4dc, \uc11c\ube44\uc2a4 \uc774\ub984\uc744 \uc911\ubcf5\ud558\uc5ec \uc0ac\uc6a9\ud560 \uc218 \uc5c6\uc73c\ub098 \ub124\uc784\uc2a4\ud398\uc774\uc2a4\uac00 \ub2e4\ub974\uba74 \uac19\uc740 \uc774\ub984\uc744 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ud074\ub7ec\uc2a4\ud130\ub294 \uc5ec\ub7ec \uac1c\uc758 \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub97c \uac00\uc9c8 \uc218 \uc788\uc73c\uba70, \uac01 \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub294 \uace0\uc720\ud55c \uc774\ub984\uc73c\ub85c \uc2dd\ubcc4\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n
[(jerry-test:default) argo-cd-app-of-apps-qa]$ k ns\nargocd\ndefault\nkube-node-lease\nkube-public\nkube-system\nnginx<\/pre>\n\n\n\n
\ud544\uc790\uc758 \ud14c\uc2a4\ud2b8 \ud074\ub7ec\uc2a4\ud130\uc5d0 \uc0ac\uc6a9 \uc911\uc778 \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \ub9ac\uc2a4\ud2b8\uc785\ub2c8\ub2e4. \ub124\uc784\uc2a4\ud398\uc774\uc2a4\ub294 \uc784\uc758\ub85c \uc0dd\uc131\ud560 \uc218 \uc788\uc73c\ub098, \uc704\uc640 \uac19\uc774 \uc560\ud50c\ub9ac\ucf00\uc774\uc158 \uc774\ub984\uc73c\ub85c \ub9ce\uc774 \uad6c\ubd84\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n
\uac19\uc740 \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \ub0b4\uc5d0\uc11c \ud30c\ub4dc \uac04 \uc5f0\uacb0\uc740 \uc55e\uc758 \uc608\uc81c\uc640 \uac19\uc774 \uc11c\ube44\uc2a4 \uc774\ub984(nginx-svc)\uc73c\ub85c \uac00\ub2a5\ud569\ub2c8\ub2e4. \ud558\uc9c0\ub9cc \ub124\uc784\uc2a4\ud398\uc774\uc2a4\uac00 \ub2e4\ub974\uba74 \uc5f0\uacb0\uc744 \uc704\ud55c \uc11c\ube44\uc2a4 \uc774\ub984\uc5d0 \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc774\ub984\uae4c\uc9c0 \ucd94\uac00\ud569\ub2c8\ub2e4. \uc608\ub97c \ub4e4\uc5b4 nginx-svc\uac00 nginx \ub124\uc784\uc2a4\ud398\uc774\uc2a4\uc5d0\uc11c \uc2e4\ud589 \uc911\uc774\uba74 nginx-svc.nginx\ub85c {\uc11c\ube44\uc2a4 \uc774\ub984}.{\ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc774\ub984} \ud615\uc2dd\uc73c\ub85c \uc5f0\uacb0\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n
\uc544\ub798\ub294 \ud544\uc790\uac00 \uc784\uc758\ub85c nginx \ub124\uc784\uc2a4\ud398\uc774\uc2a4\uc5d0 nginx \uc774\ub984\uc758 \uc11c\ube44\uc2a4\ub97c \uc0dd\uc131\ud55c \uc608\uc81c\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
[(jerry-test:nginx) service]$ k get svc -n nginx \nNAME    TYPE        CLUSTER-IP      EXTERNAL-IP   PORT(S)           AGE\nnginx   ClusterIP   172.20.202.76   <none>        80\/TCP,9113\/TCP   6d23h<\/pre>\n\n\n\n
default \ub124\uc784\uc2a4\ud398\uc774\uc2a4\uc5d0\uc11c \uc2e4\ud589 \uc911\uc778 \ud30c\ub4dc\uc5d0\uc11c nginx \ub124\uc784\uc2a4\ud398\uc774\uc2a4\uc758 \uc11c\ube44\uc2a4\uc640 \uc5f0\uacb0\ud558\uae30 \uc704\ud574\uc11c\ub294 \uc544\ub798\uc640 \uac19\uc774 nginx \ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc774\ub984\uc744 \ucd94\uac00\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
netshoot-7844866874-xjhc9:~# curl -I nginx.nginx
HTTP\/1.1 200 OK
Server: nginx
Date: Tue, 29 Aug 2023 18:37:22 GMT
Content-Type: text\/html
Content-Length: 615
Last-Modified: Tue, 13 Jun 2023 18:21:37 GMT
Connection: keep-alive
ETag: “6488b3b1-267”
X-Frame-Options: SAMEORIGIN
Accept-Ranges: bytes<\/p>\n\n\n\n
\ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc774\ub984\uc5c6\uc774 \uc11c\ube44\uc2a4 \uc774\ub984\ub9cc\uc73c\ub85c \ud638\ucd9c\ud558\uba74 \uc544\ub798\uc640 \uac19\uc774 \uc5f0\uacb0\ud558\uc9c0 \ubabb\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
netshoot-7844866874-xjhc9:~# curl -I nginx\ncurl: (6) Could not resolve host: nginx<\/pre>\n\n\n\n
\uc2e4\uc81c \uc0ac\ub840\ub85c \uc55e\uc73c\ub85c \ubc30\uc6b0\uac8c \ub420 \ubaa8\ub2c8\ud130\ub9c1 \ub300\uc2dc\ubcf4\ub4dc \uadf8\ub77c\ud30c\ub098\ub294 \ub85c\uadf8 \uc194\ub8e8\uc158\uc778 Loki \uc5f0\uacb0\uc744 \uc544\ub798\uc640 \uac19\uc774 {\uc11c\ube44\uc2a4 \uc774\ub984}.{\ub124\uc784\uc2a4\ud398\uc774\uc2a4 \uc774\ub984}\uc744 \uc774\uc6a9\ud558\uc5ec loki-gateway.loki-s3\ub85c \uc5f0\uacb0\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
\"\"\/<\/figure>\n\n\n\n
\ub2e4\uc74c\uc740 \ub85c\ub4dc\ubc38\ub7f0\uc2f1 \uae30\ub2a5\uc785\ub2c8\ub2e4. nginx \ud30c\ub4dc\ub97c \uc7ac\uc2dc\uc791\ud558\uc5ec \ud30c\ub4dc\uc758 IP\uac00 \ubcc0\uacbd\ub418\uac70\ub098 \ud30c\ub4dc\uc758 \uc218\ub7c9\uc744 \uc99d\uac00\ud558\uba74 \uc11c\ube44\uc2a4\uac00 \ubc14\ub77c\ubcf4\ub294 \ud0c0\uac9f IP \uc815\ubcf4\uac00 \ubcc0\uacbd\ub429\ub2c8\ub2e4. \uc704\uc640 \uac19\uc740 \ubcc0\ub3d9 \uc0ac\ud56d\uc744 \uc11c\ube44\uc2a4\ub294 \uc790\ub3d9\uc73c\ub85c \uac10\uc9c0\ud558\uc5ec \uc815\ubcf4\ub97c \uc5c5\ub370\uc774\ud2b8 \ud569\ub2c8\ub2e4. \ubcc0\uacbd\ub41c \ub0b4\uc5ed\uc740 endpoint \ub9ac\uc18c\uc2a4\uc5d0\uc11c \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. 
<\/p>\n\n\n\n
\uc2e4\uc81c \ud30c\ub4dc\uc758 \uc218\ub7c9\uc744 \uc99d\uac00\ud574 \ubcf4\uaca0\uc2b5\ub2c8\ub2e4. \ud30c\ub4dc\uc758 \uc218\ub7c9 \uc99d\uac00\ub294 scale \uba85\ub839\uc5b4\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
$ (\u2388 |switch-singapore-test:default) k scale deployment nginx-hello --replicas 5\ndeployment.apps\/nginx-hello scaled\n\n$ (\u2388 |switch-singapore-test:default) k describe ep nginx-svc \nName:         nginx-svc\nNamespace:    default\nLabels:       <none>\nAnnotations:  endpoints.kubernetes.io\/last-change-trigger-time: 2023-07-03T23:51:41Z\nSubsets:\n  Addresses:          10.110.11.214,10.110.15.167,10.110.19.90,10.110.20.44,10.110.23.249\n  NotReadyAddresses:  <none>\n  Ports:\n    Name  Port  Protocol\n    ----  ----  --------\n    tcp   80    TCP\n\nEvents:  <none><\/pre>\n\n\n\n
describe \uba85\ub839\uc5b4\ub97c \uc774\uc6a9\ud558\uc5ec nginx endpoint\uc758 \uc0c1\uc138 \uc815\ubcf4\ub97c \ud655\uc778\ud558\uba74 \ud0c0\uac9f \uc8fc\uc18c\uac00 \uc774\uc804 1\uac1c\uc5d0\uc11c 5\uac1c\ub85c \uc99d\uac00\ud558\uc600\uc2b5\ub2c8\ub2e4. endpoint \uac1d\uccb4\uac00 \uc790\ub3d9\uc73c\ub85c 5\uac1c\ub85c \uc99d\uac00\ud55c \ud30c\ub4dc IP\ub97c \ubc18\uc601\ud558\uc600\uc2b5\ub2c8\ub2e4. \uc774\uc81c nginx-svc\ub77c\ub294 \uc774\ub984\uc73c\ub85c \uc811\uc18d\ud558\uba74 \uc790\ub3d9\uc73c\ub85c 5\uac1c\uc758 \ud30c\ub4dc\uc5d0 \uade0\ub4f1\ud558\uac8c \uc811\uc18d\ub418\ub294 \uac78 \ud655\uc778\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
netshoot-7844866874-xjhc9:~# curl -S nginx-svc |grep address\n  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n                                 Dload  Upload   Total   Spent    Left  Speed\n  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0<p><span>Server\u00a0address:<\/span> <span>10.110.0.151:80<\/span><\/p>\n100  7236    0  7236    0     0   756k      0 --:--:-- --:--:-- --:--:--  785k\nnetshoot-7844866874-xjhc9:~# curl -S nginx-svc |grep address\n  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n                                 Dload  Upload   Total   Spent    Left  Speed\n<p><span>Server\u00a0address:<\/span> <span>10.110.2.237:80<\/span><\/p>:--     0\n100  7236    0  7236    0     0  3381k      0 --:--:-- --:--:-- --:--:-- 7066k\nnetshoot-7844866874-xjhc9:~# curl -S nginx-svc |grep address\n  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current\n                                 Dload  Upload   Total   Spent    Left  Speed\n1<p><span>Server\u00a0address:<\/span> <span>10.110.4.201:80<\/span><\/p>--     0\n00  7236    0  7236    0     0  3695k      0 --:--:-- --:--:-- --:--:-- 7066k<\/pre>\n\n\n\n
\uc704\uc640 \uac19\uc774 nginx-svc \uc811\uc18d \uc2dc \uc751\ub2f5\ud558\ub294 \uc11c\ubc84\uc758 IP\uac00 10.110.0.151, 10.110.2.237, 10.110.4.201 \ub4f1\uc73c\ub85c \uc11c\ub85c \ub2e4\ub985\ub2c8\ub2e4. \uc11c\ube44\uc2a4\uac00 \ub85c\ub4dc\ubc38\ub7f0\uc2f1 \ud558\uc5ec \ud558\ub098 \uc774\uc0c1\uc758 \ud30c\ub4dc\uc5d0 \ud2b8\ub798\ud53d\uc744 \ubd84\uc0b0\uc2dc\ud0a4\uae30 \ub54c\ubb38\uc785\ub2c8\ub2e4.<\/p>\n\n\n\n
4. \ud074\ub7ec\uc2a4\ud130 \ub0b4\/\uc678\ubd80 \uc811\uc18d\uc5d0 \ub530\ub978 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4 \ubd84\ub958<\/strong><\/h4>\n\n\n\n
\ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4\ub294 \ud074\ub7ec\uc2a4\ud130 \ub0b4\ubd80 \uac04 \ud1b5\uc2e0\uc744 \ub2f4\ub2f9\ud558\ub294 ClusterIP\uc640 \ub0b4\ubd80\uac00 \uc544\ub2cc \uc678\ubd80\uc5d0\uc11c \ud074\ub7ec\uc2a4\ud130 \ub0b4\ubd80\uc758 \ud30c\ub4dc\uc640 \uc5f0\uacb0\uc744 \ub2f4\ub2f9\ud558\ub294 NodePort, LoadBalancer \ud0c0\uc785\uc73c\ub85c \uad6c\ubd84\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ud604\uc5c5\uc5d0\uc11c\ub294 \uc678\ubd80\uc5d0\uc11c \uc5f0\uacb0 \uc2dc \uc8fc\ub85c Ingress\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n
ClusterIP \ud0c0\uc785\uc740 \ud074\ub77c\uc774\uc5b8\ud2b8 \ud30c\ub4dc\uc5d0\uc11c \uc11c\ube44\uc2a4 \uc774\ub984\uc73c\ub85c \ud638\ucd9c\ud558\uba74 \uc11c\ube44\uc2a4 \uc774\ub984\uc740 DNS \ucffc\ub9ac\ub97c \uc774\uc6a9\ud558\uc5ec ClusterIP\ub97c \uc751\ub2f5\ud558\uace0 \ud574\ub2f9 IP\ub294 IPTables \ub4f1\uc758 \ub8f0\ub85c \uac01\uac01\uc758 \ud30c\ub4dc\uc5d0 \ubd80\ud558\ubd84\uc0b0\ub418\uc5b4 \uc811\uc18d\ud569\ub2c8\ub2e4.<\/p>\n\n\n\n
$ (\u2388 |switch-singapore-test:default) k get svc nginx-svc\nNAME        TYPE        CLUSTER-IP       EXTERNAL-IP   PORT(S)   AGE\nnginx-svc   ClusterIP   172.20.107.173   <none>        80\/TCP    3d1h<\/pre>\n\n\n\n
\uc704 \uc608\uc81c\uc5d0\uc11c CLUSTER-IP\ub294 172.20.107.173 \uc785\ub2c8\ub2e4. \uc2e4\uc81c \ub2e4\ub978 \ud30c\ub4dc\uc5d0\uc11c \uc11c\ube44\uc2a4 \uc774\ub984\uc73c\ub85c DNS \ucffc\ub9ac\ub97c \ud558\uba74 \uc544\ub798\uc640 \uac19\uc774 \ud574\ub2f9 CLUSTER-IP\uac00 \uc751\ub2f5\ud569\ub2c8\ub2e4. curl \ub4f1\uc744 \uc774\uc6a9\ud558\uc5ec \uc811\uc18d \ud14c\uc2a4\ud2b8\ub97c \ud558\uba74 \uc815\uc0c1 \uc811\uc18d\ub429\ub2c8\ub2e4.<\/p>\n\n\n\n
netshoot:~# nslookup nginx-svc\nServer:\t\t172.20.0.10\nAddress:\t172.20.0.10#53\n\nName:\tnginx-svc.default.svc.cluster.local\nAddress: 172.20.107.173<\/pre>\n\n\n\n
netshoot:~# curl -I 172.20.107.173\nHTTP\/1.1 200 OK\nServer: nginx\/1.25.1\nDate: Thu, 06 Jul 2023 19:54:01 GMT\nContent-Type: text\/html\nConnection: keep-alive\nExpires: Thu, 06 Jul 2023 19:54:00 GMT\nCache-Control: no-cache<\/pre>\n\n\n\n
\ud074\ub7ec\uc2a4\ud130 \uc678\ubd80\uc5d0\uc11c \uc811\uc18d\ud558\ub294 \ubc29\ubc95\uc73c\ub85c NodePort, LoadBalancer \ud0c0\uc785\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. 
<\/p>\n\n\n\n
\ub178\ub4dc\ud3ec\ud2b8 \ud0c0\uc785\uc740 \uc774\ub984\uc5d0\uc11c \uc720\ucd94\ud560 \uc218 \uc788\ub4ef\uc774 \ub178\ub4dc\uc758 IP\uc640 \ud3ec\ud2b8\ub85c \uc678\ubd80\uc5d0\uc11c \uc811\uc18d\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub178\ub4dc\ud3ec\ud2b8 \uc11c\ube44\uc2a4 \ud0c0\uc785\uc744 \uc0ac\uc6a9\ud558\uba74 \ud074\ub7ec\uc2a4\ud130\uc758 \ubaa8\ub4e0 \ub178\ub4dc\uac00 \ub3d9\uc77c\ud55c \ud3ec\ud2b8 \ubc88\ud638\ub85c \uc11c\ube44\uc2a4\ub97c \uc678\ubd80\uc5d0 \ub178\ucd9c\uc2dc\ud0b5\ub2c8\ub2e4. \uc678\ubd80 \ud2b8\ub798\ud53d\uc774 \ub178\ub4dc \ud3ec\ud2b8\ub85c \ub4e4\uc5b4\uc624\uba74, \ucfe0\ubc84\ub124\ud2f0\uc2a4\ub294 \uc774 \ud2b8\ub798\ud53d\uc744 \uc801\uc808\ud55c \ud30c\ub4dc\ub85c \uc790\ub3d9\uc73c\ub85c \ub77c\uc6b0\ud305\ud569\ub2c8\ub2e4. \ud3ec\ud2b8 \ubc88\ud638\ub294 30000-32767 \uc911 \ud558\ub098\uc758 \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4.
<\/p>\n\n\n\n
\ub178\ub4dc\ud3ec\ud2b8\ub294 \ud074\ub7ec\uc2a4\ud130 \ub0b4 \ubaa8\ub4e0 \ub178\ub4dc\uc5d0\uc11c \ub3d9\uc77c\ud55c \ud3ec\ud2b8\ub85c \uc811\uadfc\ud560 \uc218 \uc788\uc73c\ubbc0\ub85c, \ud558\ub098\uc758 \ub178\ub4dc\uac00 \uc2e4\ud328\ud558\ub354\ub77c\ub3c4 \uc11c\ube44\uc2a4 \uc811\uadfc\uc774 \uc720\uc9c0\ub429\ub2c8\ub2e4. \ud574\ub2f9 \ud2b8\ub798\ud53d\uc740 \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0 \uc758\ud574 \uc790\ub3d9\uc73c\ub85c \uc801\uc808\ud55c \ud30c\ub4dc\ub85c \ub77c\uc6b0\ud305\ub429\ub2c8\ub2e4.
<\/p>\n\n\n\n
[service]$ k get svc ingress-nginx-controller\nNAME                       TYPE       CLUSTER-IP      EXTERNAL-IP   PORT(S)                      AGE\ningress-nginx-controller   NodePort   10.233.59.140   <none>        80:30080\/TCP,443:30443\/TCP   6d7h<\/pre>\n\n\n\n
\ud604\uc5c5\uc5d0\uc11c \uc628\ud504\ub808\ubbf8\uc2a4 \ud658\uacbd\uc758 ingress-nginx \uc11c\ube44\uc2a4\ub97c \uc704\uc640 \uac19\uc774 \ub178\ub4dc\ud3ec\ud2b8 \ud0c0\uc785\uc744 \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \uc704 \uc608\uc81c\ub294 30080, 30443 \ud3ec\ud2b8\ub97c \uc0ac\uc6a9\ud558\uc600\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n
LoadBalancer \uc11c\ube44\uc2a4 \ud0c0\uc785\uc740 \ud074\ub7ec\uc2a4\ud130 \uc678\ubd80\uc5d0\uc11c \ucfe0\ubc84\ub124\ud2f0\uc2a4 \uc11c\ube44\uc2a4\uc5d0 \uc811\uadfc\ud558\uae30 \uc704\ud55c \ub85c\ub4dc \ubc38\ub7f0\uc11c\ub97c \uc790\ub3d9\uc73c\ub85c \ud504\ub85c\ube44\uc800\ub2dd\ud569\ub2c8\ub2e4. \uc774 \uc11c\ube44\uc2a4 \ud0c0\uc785\uc740 \ud074\ub77c\uc6b0\ub4dc \ud504\ub85c\ubc14\uc774\ub354\uac00 \uc81c\uacf5\ud558\ub294 \ub85c\ub4dc \ubc38\ub7f0\uc11c \ub610\ub294 \uc628\ud504\ub808\ubbf8\uc2a4 \ud658\uacbd\uc5d0\uc11c \uc790\uccb4 \uc0dd\uc131\ud55c \ub85c\ub4dc\ubc38\ub7f0\uc11c(MetalLB \ub4f1)\ub97c \uc0ac\uc6a9\ud558\uc5ec, \uc678\ubd80 \ud2b8\ub798\ud53d\uc744 \ud074\ub7ec\uc2a4\ud130 \ub0b4 \ud2b9\uc815 \uc11c\ube44\uc2a4\ub85c \ub77c\uc6b0\ud305\ud569\ub2c8\ub2e4. \ud604\uc5c5\uc5d0\uc11c\ub294 \ub85c\ub4dc\ubc38\ub7f0\uc11c \ubcf4\ub2e4\ub294 \uc8fc\ub85c Ingress\ub97c \uc0ac\uc6a9\ud569\ub2c8\ub2e4. \ub85c\ub4dc\ubc38\ub7f0\uc11c \ud0c0\uc785\uc740 L4 \uae30\ubc18\uc774\ub77c URL, PATH\ub97c \uad6c\ubd84\ud558\uc9c0 \ubabb\ud558\ub294 \ub2e8\uc810\uc774 \uc788\uc2b5\ub2c8\ub2e4.
<\/p>\n\n\n\n
\uc774\uc0c1 \uc774\ubc88 \uc7a5\uc5d0\uc11c\ub294 \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ub300\ud558\uc5ec \uc54c\uc544\ubcf4\uc558\uc2b5\ub2c8\ub2e4. \uc774\uc5b4\uc9c0\ub294 \ub2e4\uc74c \uc7a5\uc5d0\uc11c \uc778\uadf8\ub808\uc2a4\ub97c \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4.<\/p>\n\n\n\n
\ud574\ub2f9 \uae30\uc220 \ube14\ub85c\uadf8\uc5d0 \uc9c8\ubb38\uc774 \uc788\uc73c\uc2dc\uba74 \uc5b8\uc81c\ub4e0\uc9c0 \ubb38\uc758\ud574 \uc8fc\uc138\uc694. \uc9c1\uc811 \ub2f5\ubcc0\ud574 \ub4dc\ub9bd\ub2c8\ub2e4.
k8sqna@jennifersoft.com<\/p><\/blockquote>\n\n\n\n
1.\uc720\uc0ac\ud558\uac8c \uc2a4\ud1a0\ub9ac\uc9c0\ub97c \ub2f4\ub2f9\ud558\ub294 CSI(Container Storage Interface)\ub3c4 \uc788\uc2b5\ub2c8\ub2e4.
2.\uc77c\ubc18\uc801\uc73c\ub85c \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc5d0\uc11c\ub294 \uc774\ub7ec\ud55c \ud30c\uc77c\uc744 \ub9e4\ub2c8\ud398\uc2a4\ud2b8(\uba85\uc138\uc11c)\ub77c\uace0 \ud569\ub2c8\ub2e4.
<\/p>\n","protected":false},"excerpt":{"rendered":"\uc774\ubc88 \uc7a5\uc740 \uc2e4\uc2b5\uc744 \ud1b5\ud558\uc5ec \ucfe0\ubc84\ub124\ud2f0\uc2a4 \ub124\ud2b8\uc6cc\ud06c\uc758 \uae30\ubcf8 \uac1c\ub150\uc744 \uc54c\uc544\ubcf4\uaca0\uc2b5\ub2c8\ub2e4. 1. \uae30\uc874 VM \ud658\uacbd\uacfc \ucfe0\ubc84\ub124\ud2f0\uc2a4\uc758 \ub124\ud2b8\uc6cc\ud06c \ucc28\uc774\uc810 \uae30\uc874 VM \ud658\uacbd\uc758 \ub124\ud2b8\uc6cc\ud06c\uc640…","protected":false},"author":34,"featured_media":12424,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[386],"tags":[297,296,301,293,51,238,299,144,294,300,303,55,237,257],"class_list":["post-12421","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-kubernetes","tag-argocd","tag-aws-eks","tag-cni","tag-eks","tag-jennifer","tag-k8s","tag-k8sedu","tag-kubernetes","tag-msa","tag-300","tag-303","tag-55","tag-237","tag-257"],"acf":[],"_links":{"self":[{"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/posts\/12421","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/users\/34"}],"replies":[{"embeddable":true,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/comments?post=12421"}],"version-history":[{"count":4,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/posts\/12421\/revisions"}],"predecessor-version":[{"id":12437,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/posts\/12421\/revisions\/12437"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/media\/12424"}],"wp:attachment":[{"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/media?parent=12421"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/categories?post=12421"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/jennifersoft.com\/ko\/wp-json\/wp\/v2\/tags?post=12421"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}