티스토리 뷰
# 컨테이너 busybox 에서 외부 DB 서버 접속 테스트
참고유튜브 : https://www.youtube.com/watch?v=CXrrkl4Zamc&t=105s
# docker 의 네트워크 생성하기
$ docker network create --driver bridge --subnet 192.168.100.0/24 --gateway 192.168.100.254 mynet
Create a network
[root@m-k8s podtest]# docker network create --driver bridge --subnet 192.168.100.0/24 --gateway 192.168.100.254 mynet
81c2f6e1baae3f0e918fec4a4d2b3e3c4b4c220da459880d1da5c28b4c6c844c
[root@m-k8s podtest]# docker network ls
NETWORK ID NAME DRIVER SCOPE
fda3e8a5f2e6 bridge bridge local
35f51fa9cef9 host host local
81c2f6e1baae mynet bridge local
8d73da63f0fa none null local# mynet 의 브릿지가 생성확인
# mynet 에 대한 네트워크 체크
$ docker network inspect mynet
[root@m-k8s podtest]# docker network inspect mynet
[
{
"Name": "mynet",
"Id": "81c2f6e1baae3f0e918fec4a4d2b3e3c4b4c220da459880d1da5c28b4c6c844c",
"Created": "2023-06-11T00:20:35.46032778+09:00",
"Scope": "local",
"Driver": "bridge",
"EnableIPv6": false,
"IPAM": {
"Driver": "default",
"Options": {},
"Config": [
{
"Subnet": "192.168.100.0/24",
"Gateway": "192.168.100.254"
}
]
},
"Internal": false,
"Attachable": false,
"Ingress": false,
"ConfigFrom": {
"Network": ""
},
"ConfigOnly": false,
"Containers": {},
"Options": {},
"Labels": {}
}
]# subnet 과 gateway 확인
#고정이이피 설정 192.168.100.100 설정
[root@m-k8s vagrant]# docker run -it --name c1 --net mynet --ip 192.168.100.100 busybox
/ #
/ # ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: tunl0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
34: eth0@if35: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue
link/ether 02:42:c0:a8:64:64 brd ff:ff:ff:ff:ff:ff
inet 192.168.100.100/24 brd 192.168.100.255 scope global eth0
valid_lft forever preferred_lft forever
/ ##고정아이피 설정확인 192.168.100.100
#핑테스트
아래는 도커 내부안
/ # ping -c 2 192.168.29.15
PING 192.168.29.15 (192.168.29.15): 56 data bytes
64 bytes from 192.168.29.15: seq=0 ttl=63 time=1.135 ms
64 bytes from 192.168.29.15: seq=1 ttl=63 time=0.706 ms#외부 mysql 서버 통신 (mysql Server IP : 192.168.29.15)
#mysql wordpress 설치 테스트
[root@m-k8s vagrant]# docker run -d --name mysql -v /dbdata:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=wordpress -e MYSQL_PASSWORD=wordpress mysql:5.7
Unable to find image 'mysql:5.7' locally
5.7: Pulling from library/mysql
e83e8f2e82cc: Extracting [====================================> ] 37.22MB/50.5MB
0f23deb01b84: Download complete
f5bda3b184ea: Download complete
ed17edbc6604: Download complete
33a94a6acfa7: Download complete
f153bd2953e4: Download complete
ab532edfb813: Download complete
c76bdfe4f3d0: Download complete
8a7ffe2f2551: Download complete
857ada4fbbcc: Download complete
b7c508404c3c: Download complete[root@m-k8s vagrant]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
2919ef1ef2c9 mysql:5.7 "docker-entrypoint.s…" 13 minutes ago Up 13 minutes 3306/tcp, 33060/tcp mysql
cc1c59770ac3 nginx "/docker-entrypoint.…" 6 hours ago Up 6 hours 0.0.0.0:32770->80/tcp web99
114d866b6232 nginx "/docker-entrypoint.…" 6 hours ago Up 6 hours 0.0.0.0:32769->80/tcp web3
102008183a94 nginx "/docker-entrypoint.…" 6 hours ago Up 6 hours 0.0.0.0:80->80/tcp web9mysql:5.7 docker 확인
#볼륨정보 /dbdata
[root@m-k8s vagrant]# cd /dbdata/
[root@m-k8s dbdata]# ll
total 188484
-rw-r-----. 1 polkitd input 56 Jun 11 01:38 auto.cnf
-rw-------. 1 polkitd input 1676 Jun 11 01:38 ca-key.pem
-rw-r--r--. 1 polkitd input 1112 Jun 11 01:38 ca.pem
-rw-r--r--. 1 polkitd input 1112 Jun 11 01:39 client-cert.pem
-rw-------. 1 polkitd input 1676 Jun 11 01:39 client-key.pem
-rw-r-----. 1 polkitd input 1318 Jun 11 01:39 ib_buffer_pool
-rw-r-----. 1 polkitd input 79691776 Jun 11 01:39 ibdata1
-rw-r-----. 1 polkitd input 50331648 Jun 11 01:39 ib_logfile0
-rw-r-----. 1 polkitd input 50331648 Jun 11 01:38 ib_logfile1
-rw-r-----. 1 polkitd input 12582912 Jun 11 01:39 ibtmp1
drwxr-x---. 2 polkitd input 4096 Jun 11 01:39 mysql
lrwxrwxrwx. 1 polkitd input 27 Jun 11 01:39 mysql.sock -> /var/run/mysqld/mysqld.sock
drwxr-x---. 2 polkitd input 8192 Jun 11 01:39 performance_schema
-rw-------. 1 polkitd input 1680 Jun 11 01:39 private_key.pem
-rw-r--r--. 1 polkitd input 452 Jun 11 01:39 public_key.pem
-rw-r--r--. 1 polkitd input 1112 Jun 11 01:39 server-cert.pem
-rw-------. 1 polkitd input 1676 Jun 11 01:39 server-key.pem
drwxr-x---. 2 polkitd input 8192 Jun 11 01:39 sys# /dbdata
워드 프레스 설치
[root@m-k8s podtest]# docker run -d --name wordpress --link mysql:mysql -e WORDPRESS_DB_PASSWORD=wordpress -p 80:80 wordpress:4
Unable to find image 'wordpress:4' locally
4: Pulling from library/wordpress
a5a6f2f73cd8: Downloading [=========================> ] 11.48MB/22.49MB
633e0d1cd2a3: Download complete
fcdfdf7118ba: Downloading [======> ] 9.187MB/67.43MB
4e7dc76b1769: Download complete
c425447c8835: Downloading [==============> ] 4.852MB/17.13MB
75780b7b9977: Waiting
33ed51bc30e8: Waiting
7c4215700bc4: Waiting
ef55a760eb7a: Waiting
d982e3946ac5: Waiting
a38e2fdf4f50: Waiting
09f702917a0a: Waiting
df1d46358537: Waiting
9b0d5695ec42: Waiting
7abe1c1f0479: Waiting
db1df7737fbd: Waiting
da5248206256: Waiting
e850a08a7c7e: Waiting
e5e7ecd1752b: Waiting
#설치
#mysql 설치
[root@m-k8s dbdata]# docker run -d --name mysql -v /dbdata:/var/lib/mysql -e MYSQL_ROOT_PASSWORD=wordpress -e MYSQL_PASSWORD=wordpress mysql:5.7
a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9
#wordpress 설치
[root@m-k8s dbdata]# docker run -d --name wordpress1 --link mysql:mysql -e WORDPRESS_DB_PASSWORD=wordpress -p 80:80 wordpress:4
393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9
[root@m-k8s dbdata]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
393dcef1b9d2 wordpress:4 "docker-entrypoint.s…" 3 seconds ago Up 2 seconds 0.0.0.0:80->80/tcp wordpress1
a17634a8f43e mysql:5.7 "docker-entrypoint.s…" 8 seconds ago Up 7 seconds 3306/tcp, 33060/tcp mysql
# 서버아이피로 접속 : http://192.168.29.10 web 으로 화면 접속
passwd : JqJhGse$RUwGbA7g2x
성공!
로그인후 게시판 확인!
아래 /DBDATA 경로에 /wordpress 경로확인!
그림으로 확인해보면..
$docker inspect 393dcef1b9d2 (wordpress의 IP는 172.17.0.3)
$docker inspect a17634a8f43e (mysql 의 IP는 172.17.0.2)
[root@m-k8s wordpress]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
393dcef1b9d2 wordpress:4 "docker-entrypoint.s…" 15 minutes ago Up 15 minutes 0.0.0.0:80->80/tcp wordpress1
a17634a8f43e mysql:5.7 "docker-entrypoint.s…" 15 minutes ago Up 15 minutes 3306/tcp, 33060/tcp mysql
[root@m-k8s wordpress]# docker inspect 393dcef1b9d2
[
{
"Id": "393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9",
"Created": "2023-06-10T17:04:08.760942069Z",
"Path": "docker-entrypoint.sh",
"Args": [
"apache2-foreground"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 31824,
"ExitCode": 0,
"Error": "",
"StartedAt": "2023-06-10T17:04:09.072055994Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:67daae3fda616760e26d42cf747a965599191f3cc8e6f35b132dad811951bedf",
"ResolvConfPath": "/var/lib/docker/containers/393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9/hostname",
"HostsPath": "/var/lib/docker/containers/393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9/hosts",
"LogPath": "/var/lib/docker/containers/393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9/393dcef1b9d27e8561566a4b75ab2f3e90facdbf76eb17f9d64bea662e7f6af9-json.log",
"Name": "/wordpress1",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": null,
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {
"80/tcp": [
{
"HostIp": "",
"HostPort": "80"
}
]
},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "host",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": [
"/mysql:/wordpress1/mysql"
],
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": null,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/cf4e7ec1e9de9f0846c9733ed7c070cd2261f8460f5d8ffaaf52463e8e83fe85-init/diff:/var/lib/docker/overlay2/17d93ffbb916f1808682c63344f41ff81cbd9afdc9d92f1f895c6069a92d0d24/diff:/var/lib/docker/overlay2/5b9ba002a211ea50da17574495231716a53982c85c05a52b1823ddd33a9c3dd2/diff:/var/lib/docker/overlay2/adee7f5483b48692da204dda221b3a02c29c9224a01cb2f91f6aa60068ac31fe/diff:/var/lib/docker/overlay2/13fb68ef076f2264c7c55f170829c82d069f68fd029657b4af36863018afc989/diff:/var/lib/docker/overlay2/398d1fbf22ef9d09d2d32d28babebf2d70ea5eed96a3db317754bdece2d8aee1/diff:/var/lib/docker/overlay2/dd873d4569729814ce5b02eab29f9729f6325f39025432def1312c2f44411c3d/diff:/var/lib/docker/overlay2/1c8da492dc9c33aa31abc81246bc754a44d7cd4d0102e95225749fd7563ff844/diff:/var/lib/docker/overlay2/abbe45ed4e22650bc3c2a56836ed6a617ea967717677e2e0917022c4831b646a/diff:/var/lib/docker/overlay2/7ebe7d544955a6f00f074a2d1beb0d145e6f1d6f7d6123b3f8126caf4305a6d3/diff:/var/lib/docker/overlay2/45c219e16b7b563776b88d76f3449a081ea875440aa50b6150e7205bce2be3db/diff:/var/lib/docker/overlay2/72711bccb480c8ab6f67894bbf1c1575d98da82feca846bd04098db254c5b80d/diff:/var/lib/docker/overlay2/8909738efe4665a16c9417321ab025295a7d8a2d248fb0d82eaea83122ceb574/diff:/var/lib/docker/overlay2/35e6dc5964f7cf365ee8a20f58dfb9146812a1e55406b6e7d6710394072ffe75/diff:/var/lib/docker/overlay2/b25def814d5beee2e184e4fc4925e5c0c61d42a5cbe0252e8f7758a805d26b44/diff:/var/lib/docker/overlay2/dee4394f1574e48e05835ecb900e8befc9268a54ce5b0aed34da2a50da4baa5f/diff:/var/lib/docker/overlay2/915d70d8e60c5e9ef2ee33967f5640168ba933393681d397b54e712926778764/diff:/var/lib/docker/overlay2/0e06003c0842baae65232a078b3baeea215d011264a64a9c1c4b72fa1d2f7aaa/diff:/var/lib/docker/overlay2/95259078fefca9a426acd06666cb6172fc5d239848c8cd4e517bf4296ded0cb5/diff:/var/lib/docker/overlay2/e4125f4bc890f5da7fa124249dd72818ac6afdc420b7136cb9229b767940c7b0/diff",
"MergedDir": "/var/lib/docker/overlay2/cf4e7ec1e9de9f0846c9733ed7c070cd2261f8460f5d8ffaaf52463e8e83fe85/merged",
"UpperDir": "/var/lib/docker/overlay2/cf4e7ec1e9de9f0846c9733ed7c070cd2261f8460f5d8ffaaf52463e8e83fe85/diff",
"WorkDir": "/var/lib/docker/overlay2/cf4e7ec1e9de9f0846c9733ed7c070cd2261f8460f5d8ffaaf52463e8e83fe85/work"
},
"Name": "overlay2"
},
"Mounts": [
{
"Type": "volume",
"Name": "23e7a4f5757c770715cad96ba573ef488c25c0b898a2967bae414bf1d51b4189",
"Source": "/var/lib/docker/volumes/23e7a4f5757c770715cad96ba573ef488c25c0b898a2967bae414bf1d51b4189/_data",
"Destination": "/var/www/html",
"Driver": "local",
"Mode": "",
"RW": true,
"Propagation": ""
}
],
"Config": {
"Hostname": "393dcef1b9d2",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"80/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"WORDPRESS_DB_PASSWORD=wordpress",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"PHPIZE_DEPS=autoconf \t\tdpkg-dev \t\tfile \t\tg++ \t\tgcc \t\tlibc-dev \t\tmake \t\tpkg-config \t\tre2c",
"PHP_INI_DIR=/usr/local/etc/php",
"APACHE_CONFDIR=/etc/apache2",
"APACHE_ENVVARS=/etc/apache2/envvars",
"PHP_EXTRA_BUILD_DEPS=apache2-dev",
"PHP_EXTRA_CONFIGURE_ARGS=--with-apxs2 --disable-cgi",
"PHP_CFLAGS=-fstack-protector-strong -fpic -fpie -O2",
"PHP_CPPFLAGS=-fstack-protector-strong -fpic -fpie -O2",
"PHP_LDFLAGS=-Wl,-O1 -Wl,--hash-style=both -pie",
"GPG_KEYS=1729F83938DA44E27BA0F4D3DBDB397470D12172 B1B44D8F021E4E2D6021E995DC9FF8D3EE5AF27F",
"PHP_VERSION=7.2.12",
"PHP_URL=https://secure.php.net/get/php-7.2.12.tar.xz/from/this/mirror",
"PHP_ASC_URL=https://secure.php.net/get/php-7.2.12.tar.xz.asc/from/this/mirror",
"PHP_SHA256=989c04cc879ee71a5e1131db867f3c5102f1f7565f805e2bb8bde33f93147fe1",
"PHP_MD5=",
"WORDPRESS_VERSION=4.9.8",
"WORDPRESS_SHA1=0945bab959cba127531dceb2c4fed81770812b4f"
],
"Cmd": [
"apache2-foreground"
],
"Image": "wordpress:4",
"Volumes": {
"/var/www/html": {}
},
"WorkingDir": "/var/www/html",
"Entrypoint": [
"docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "3355188bf4d3f3f00c4cdab50b4c8b355c1684136da73b2744d74bffb843e5ae",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"80/tcp": [
{
"HostIp": "0.0.0.0",
"HostPort": "80"
}
]
},
"SandboxKey": "/var/run/docker/netns/3355188bf4d3",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "e2ed07f0cd9d1ddc7a0848f2c5ec5ec49b868896bce46f4de778c3b7867a4b6f",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:03",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "fda3e8a5f2e6d57bcd0de0248ca9a8b5edc43c50d5798f84f3df43a236231b45",
"EndpointID": "e2ed07f0cd9d1ddc7a0848f2c5ec5ec49b868896bce46f4de778c3b7867a4b6f",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.3",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:03",
"DriverOpts": null
}
}
}
}
]$docker inspect a17634a8f43e
[root@m-k8s wordpress]# docker inspect a17634a8f43e
[
{
"Id": "a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9",
"Created": "2023-06-10T17:04:03.773794397Z",
"Path": "docker-entrypoint.sh",
"Args": [
"mysqld"
],
"State": {
"Status": "running",
"Running": true,
"Paused": false,
"Restarting": false,
"OOMKilled": false,
"Dead": false,
"Pid": 31620,
"ExitCode": 0,
"Error": "",
"StartedAt": "2023-06-10T17:04:04.089375422Z",
"FinishedAt": "0001-01-01T00:00:00Z"
},
"Image": "sha256:dd6675b5cfea17abb655ea8229cbcfa5db9d0b041f839db0c24228c2e18a4bdf",
"ResolvConfPath": "/var/lib/docker/containers/a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9/resolv.conf",
"HostnamePath": "/var/lib/docker/containers/a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9/hostname",
"HostsPath": "/var/lib/docker/containers/a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9/hosts",
"LogPath": "/var/lib/docker/containers/a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9/a17634a8f43e82ab80817282f1d821eaaf51e10b593736029d94a9660b20aff9-json.log",
"Name": "/mysql",
"RestartCount": 0,
"Driver": "overlay2",
"Platform": "linux",
"MountLabel": "",
"ProcessLabel": "",
"AppArmorProfile": "",
"ExecIDs": null,
"HostConfig": {
"Binds": [
"/dbdata:/var/lib/mysql"
],
"ContainerIDFile": "",
"LogConfig": {
"Type": "json-file",
"Config": {}
},
"NetworkMode": "default",
"PortBindings": {},
"RestartPolicy": {
"Name": "no",
"MaximumRetryCount": 0
},
"AutoRemove": false,
"VolumeDriver": "",
"VolumesFrom": null,
"CapAdd": null,
"CapDrop": null,
"CgroupnsMode": "host",
"Dns": [],
"DnsOptions": [],
"DnsSearch": [],
"ExtraHosts": null,
"GroupAdd": null,
"IpcMode": "private",
"Cgroup": "",
"Links": null,
"OomScoreAdj": 0,
"PidMode": "",
"Privileged": false,
"PublishAllPorts": false,
"ReadonlyRootfs": false,
"SecurityOpt": null,
"UTSMode": "",
"UsernsMode": "",
"ShmSize": 67108864,
"Runtime": "runc",
"ConsoleSize": [
0,
0
],
"Isolation": "",
"CpuShares": 0,
"Memory": 0,
"NanoCpus": 0,
"CgroupParent": "",
"BlkioWeight": 0,
"BlkioWeightDevice": [],
"BlkioDeviceReadBps": null,
"BlkioDeviceWriteBps": null,
"BlkioDeviceReadIOps": null,
"BlkioDeviceWriteIOps": null,
"CpuPeriod": 0,
"CpuQuota": 0,
"CpuRealtimePeriod": 0,
"CpuRealtimeRuntime": 0,
"CpusetCpus": "",
"CpusetMems": "",
"Devices": [],
"DeviceCgroupRules": null,
"DeviceRequests": null,
"KernelMemory": 0,
"KernelMemoryTCP": 0,
"MemoryReservation": 0,
"MemorySwap": 0,
"MemorySwappiness": null,
"OomKillDisable": false,
"PidsLimit": null,
"Ulimits": null,
"CpuCount": 0,
"CpuPercent": 0,
"IOMaximumIOps": 0,
"IOMaximumBandwidth": 0,
"MaskedPaths": [
"/proc/asound",
"/proc/acpi",
"/proc/kcore",
"/proc/keys",
"/proc/latency_stats",
"/proc/timer_list",
"/proc/timer_stats",
"/proc/sched_debug",
"/proc/scsi",
"/sys/firmware"
],
"ReadonlyPaths": [
"/proc/bus",
"/proc/fs",
"/proc/irq",
"/proc/sys",
"/proc/sysrq-trigger"
]
},
"GraphDriver": {
"Data": {
"LowerDir": "/var/lib/docker/overlay2/557ecfb317526ce7d7574901925de29345273d9ab78c45596da2f1ea87c24d93-init/diff:/var/lib/docker/overlay2/09d9cf9d8ea8318b9141b0faca69614b8d2c4017c53a511c8037fa40ca81a734/diff:/var/lib/docker/overlay2/35fafbc49ea9ed79d4c7225f69ceeb0faae649170af3c16382a79b27bbb850f1/diff:/var/lib/docker/overlay2/3b42af17cb9980a3548b4da89ea74ca4d1f195ecf6df60379b78f5ea8396648a/diff:/var/lib/docker/overlay2/acce5956cbc2332b69256a4302d94f42527325da4320a19bde40e56e1b9fb7c0/diff:/var/lib/docker/overlay2/26858eae8d8337dc74948efb4db7b9e2408e7803b7e42356499d71f461b59928/diff:/var/lib/docker/overlay2/36b85f12b63f8a36089c869ffada8ae4f023b51aece2f3436c0085fa50b9af1d/diff:/var/lib/docker/overlay2/a4f12ba131b83f72c80f2afd25d7b64dd8e1ff80b8290ffa7afdd924ab9c4c52/diff:/var/lib/docker/overlay2/596ded3e1a10f1d20e92106ef5957482f0f61e5c63b2cd2eab7e06b08c5835e5/diff:/var/lib/docker/overlay2/d9a2784daf7b553bd2e5e6c6477fba05902356863e9c47ef852b3ab9fffd6237/diff:/var/lib/docker/overlay2/b07edd488d97ef0e7c70ef319f42643efda681211240e1a7f6a0d4424a402645/diff:/var/lib/docker/overlay2/433cb41d22542eddaeb405a7e69f218677c4ae3be112c447e267be75f9950996/diff",
"MergedDir": "/var/lib/docker/overlay2/557ecfb317526ce7d7574901925de29345273d9ab78c45596da2f1ea87c24d93/merged",
"UpperDir": "/var/lib/docker/overlay2/557ecfb317526ce7d7574901925de29345273d9ab78c45596da2f1ea87c24d93/diff",
"WorkDir": "/var/lib/docker/overlay2/557ecfb317526ce7d7574901925de29345273d9ab78c45596da2f1ea87c24d93/work"
},
"Name": "overlay2"
},
"Mounts": [
{
"Type": "bind",
"Source": "/dbdata",
"Destination": "/var/lib/mysql",
"Mode": "",
"RW": true,
"Propagation": "rprivate"
}
],
"Config": {
"Hostname": "a17634a8f43e",
"Domainname": "",
"User": "",
"AttachStdin": false,
"AttachStdout": false,
"AttachStderr": false,
"ExposedPorts": {
"3306/tcp": {},
"33060/tcp": {}
},
"Tty": false,
"OpenStdin": false,
"StdinOnce": false,
"Env": [
"MYSQL_ROOT_PASSWORD=wordpress",
"MYSQL_PASSWORD=wordpress",
"PATH=/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin",
"GOSU_VERSION=1.16",
"MYSQL_MAJOR=5.7",
"MYSQL_VERSION=5.7.42-1.el7",
"MYSQL_SHELL_VERSION=8.0.33-1.el7"
],
"Cmd": [
"mysqld"
],
"Image": "mysql:5.7",
"Volumes": {
"/var/lib/mysql": {}
},
"WorkingDir": "",
"Entrypoint": [
"docker-entrypoint.sh"
],
"OnBuild": null,
"Labels": {}
},
"NetworkSettings": {
"Bridge": "",
"SandboxID": "35ac31d2035a1f683fd82c731f827f14395c3bfe0211e2d6815ef77f3f71154f",
"HairpinMode": false,
"LinkLocalIPv6Address": "",
"LinkLocalIPv6PrefixLen": 0,
"Ports": {
"3306/tcp": null,
"33060/tcp": null
},
"SandboxKey": "/var/run/docker/netns/35ac31d2035a",
"SecondaryIPAddresses": null,
"SecondaryIPv6Addresses": null,
"EndpointID": "81c66938d0b1c391e575e664a20e0e7dbc99603ebbc3f7f9a4a266b5493a2fc0",
"Gateway": "172.17.0.1",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"MacAddress": "02:42:ac:11:00:02",
"Networks": {
"bridge": {
"IPAMConfig": null,
"Links": null,
"Aliases": null,
"NetworkID": "fda3e8a5f2e6d57bcd0de0248ca9a8b5edc43c50d5798f84f3df43a236231b45",
"EndpointID": "81c66938d0b1c391e575e664a20e0e7dbc99603ebbc3f7f9a4a266b5493a2fc0",
"Gateway": "172.17.0.1",
"IPAddress": "172.17.0.2",
"IPPrefixLen": 16,
"IPv6Gateway": "",
"GlobalIPv6Address": "",
"GlobalIPv6PrefixLen": 0,
"MacAddress": "02:42:ac:11:00:02",
"DriverOpts": null
}
}
}
}
]#기타 테스트
[root@m-k8s podtest]# k get svc
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
backend ClusterIP 10.99.167.77 <none> 80/TCP 5h17m
frontend ClusterIP 10.108.39.22 <none> 80/TCP 5h17m
[root@m-k8s podtest]# k get po
NAME READY STATUS RESTARTS AGE
auth-5f45bf5f74-dg78g 1/1 Running 0 5h37m
auth-5f45bf5f74-mt482 1/1 Running 0 5h37m
dpl-nginx-6c9676dd9c-gjrrd 1/1 Terminating 0 6d19h
myweb-rs-9rgwk 1/1 Terminating 0 6d14h
myweb-rs-sqj25 1/1 Terminating 0 6d14h
nginx-deployment-764c6958d5-bhf4f 1/1 Terminating 0 6d13h
nginx-deployment-764c6958d5-f2g5s 1/1 Terminating 0 6d13h
webapp-7d66bc6c7f-7m692 1/1 Running 0 5h37m
webapp-7d66bc6c7f-r5fbd 1/1 Running 0 5h37m
[root@m-k8s podtest]# kubectl describe deployments hello-world
Name: hello-world
Namespace: cymtest
CreationTimestamp: Sat, 10 Jun 2023 14:04:21 +0900
Labels: app.kubernetes.io/name=load-balancer-example
Annotations: deployment.kubernetes.io/revision: 1
Selector: app.kubernetes.io/name=load-balancer-example
Replicas: 5 desired | 5 updated | 5 total | 5 available | 0 unavailable
StrategyType: RollingUpdate
MinReadySeconds: 0
RollingUpdateStrategy: 25% max unavailable, 25% max surge
Pod Template:
Labels: app.kubernetes.io/name=load-balancer-example
Containers:
hello-world:
Image: gcr.io/google-samples/node-hello:1.0
Port: 8080/TCP
Host Port: 0/TCP
Environment: <none>
Mounts: <none>
Volumes: <none>
Conditions:
Type Status Reason
---- ------ ------
Available True MinimumReplicasAvailable
Progressing True NewReplicaSetAvailable
OldReplicaSets: <none>
NewReplicaSet: hello-world-644f58f5f4 (5/5 replicas created)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal ScalingReplicaSet 2m11s deployment-controller Scaled up replica set hello-world-644f58f5f4 to 5
[root@m-k8s podtest]# k describe deploy hello-world
Name: hello-world
Namespace: cymtest
CreationTimestamp: Sat, 10 Jun 2023 14:04:21 +0900
Labels: app.kubernetes.io/name=load-balancer-example
Annotations: deployment.kubernetes.io/revision: 1
Selector: app.kubernetes.io/name=load-balancer-example
Replicas: 5 desired | 5 updated | 5 total | 5 available | 0 unavailable
StrategyType: RollingUpdate
MinReadySeconds: 0
RollingUpdateStrategy: 25% max unavailable, 25% max surge
Pod Template:
Labels: app.kubernetes.io/name=load-balancer-example
Containers:
hello-world:
Image: gcr.io/google-samples/node-hello:1.0
Port: 8080/TCP
Host Port: 0/TCP
Environment: <none>
Mounts: <none>
Volumes: <none>
Conditions:
Type Status Reason
---- ------ ------
Available True MinimumReplicasAvailable
Progressing True NewReplicaSetAvailable
OldReplicaSets: <none>
NewReplicaSet: hello-world-644f58f5f4 (5/5 replicas created)
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal ScalingReplicaSet 2m35s deployment-controller Scaled up replica set hello-world-644f58f5f4 to 5
[root@m-k8s podtest]# k get po
NAME READY STATUS RESTARTS AGE
auth-5f45bf5f74-dg78g 1/1 Running 0 5h39m
auth-5f45bf5f74-mt482 1/1 Running 0 5h39m
hello-world-644f58f5f4-cn72d 1/1 Running 0 2m40s
hello-world-644f58f5f4-h557b 1/1 Running 0 2m40s
hello-world-644f58f5f4-swg9k 1/1 Running 0 2m40s
hello-world-644f58f5f4-vbj5w 1/1 Running 0 2m40s
hello-world-644f58f5f4-xc9fq 1/1 Running 0 2m40s
myweb-rs-9rgwk 1/1 Terminating 0 6d14h
myweb-rs-sqj25 1/1 Terminating 0 6d14h
nginx-deployment-764c6958d5-bhf4f 1/1 Terminating 0 6d14h
nginx-deployment-764c6958d5-f2g5s 1/1 Terminating 0 6d14h
webapp-7d66bc6c7f-7m692 1/1 Running 0 5h40m
webapp-7d66bc6c7f-r5fbd 1/1 Running 0 5h40m
[root@m-k8s podtest]# k describe deploy auth
Name: auth
Namespace: cymtest
CreationTimestamp: Sat, 10 Jun 2023 08:27:29 +0900
Labels: app=auth
Annotations: deployment.kubernetes.io/revision: 1
Selector: app=auth
Replicas: 2 desired | 2 updated | 2 total | 2 available | 0 unavailable
StrategyType: RollingUpdate
MinReadySeconds: 0
RollingUpdateStrategy: 25% max unavailable, 25% max surge
Pod Template:
Labels: app=auth
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts: <none>
Volumes: <none>
Conditions:
Type Status Reason
---- ------ ------
Available True MinimumReplicasAvailable
Progressing True NewReplicaSetAvailable
OldReplicaSets: <none>
NewReplicaSet: auth-5f45bf5f74 (2/2 replicas created)
Events: <none>
[root@m-k8s podtest]# k describe deploy nginx
Name: nginx-deployment
Namespace: cymtest
CreationTimestamp: Sun, 04 Jun 2023 00:06:13 +0900
Labels: app=nginx
Annotations: deployment.kubernetes.io/revision: 1
Selector: app=nginx
Replicas: 3 desired | 3 updated | 3 total | 0 available | 3 unavailable
StrategyType: RollingUpdate
MinReadySeconds: 0
RollingUpdateStrategy: 25% max unavailable, 25% max surge
Pod Template:
Labels: app=nginx
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/nfs from nfsvol1 (rw)
Volumes:
nfsvol1:
Type: NFS (an NFS mount that lasts the lifetime of a pod)
Server: 192.168.29.14
Path: /mnt/cym_nfs_share
ReadOnly: false
Conditions:
Type Status Reason
---- ------ ------
Progressing True NewReplicaSetAvailable
Available False MinimumReplicasUnavailable
OldReplicaSets: <none>
NewReplicaSet: nginx-deployment-764c6958d5 (3/3 replicas created)
Events: <none>
[root@m-k8s podtest]# k describe deploy nginx
Name: nginx-deployment
Namespace: cymtest
CreationTimestamp: Sun, 04 Jun 2023 00:06:13 +0900
Labels: app=nginx
Annotations: deployment.kubernetes.io/revision: 1
Selector: app=nginx
Replicas: 3 desired | 3 updated | 3 total | 0 available | 3 unavailable
StrategyType: RollingUpdate
MinReadySeconds: 0
RollingUpdateStrategy: 25% max unavailable, 25% max surge
Pod Template:
Labels: app=nginx
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/nfs from nfsvol1 (rw)
Volumes:
nfsvol1:
Type: NFS (an NFS mount that lasts the lifetime of a pod)
Server: 192.168.29.14
Path: /mnt/cym_nfs_share
ReadOnly: false
Conditions:
Type Status Reason
---- ------ ------
Progressing True NewReplicaSetAvailable
Available False MinimumReplicasUnavailable
OldReplicaSets: <none>
NewReplicaSet: nginx-deployment-764c6958d5 (3/3 replicas created)
Events: <none>
[root@m-k8s podtest]# kubectl get replicasets
NAME DESIRED CURRENT READY AGE
auth-5f45bf5f74 2 2 2 6h30m
dpl-nginx-6c9676dd9c 2 2 0 6d20h
hello-world-644f58f5f4 5 5 5 53m
myweb-rs 3 3 0 6d15h
nfs-pod-provisioner-85c495c588 1 1 0 6d15h
nginx-deployment-764c6958d5 3 3 0 6d14h
webapp-7d66bc6c7f 2 2 2 6h30m
[root@m-k8s podtest]# kubectl describe replicasets
Name: auth-5f45bf5f74
Namespace: cymtest
Selector: app=auth,pod-template-hash=5f45bf5f74
Labels: app=auth
pod-template-hash=5f45bf5f74
Annotations: deployment.kubernetes.io/desired-replicas: 2
deployment.kubernetes.io/max-replicas: 3
deployment.kubernetes.io/revision: 1
Controlled By: Deployment/auth
Replicas: 2 current / 2 desired
Pods Status: 2 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=auth
pod-template-hash=5f45bf5f74
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts: <none>
Volumes: <none>
Events: <none>
Name: dpl-nginx-6c9676dd9c
Namespace: cymtest
Selector: app=dpl-nginx,pod-template-hash=6c9676dd9c
Labels: app=dpl-nginx
pod-template-hash=6c9676dd9c
Annotations: deployment.kubernetes.io/desired-replicas: 2
deployment.kubernetes.io/max-replicas: 3
deployment.kubernetes.io/revision: 1
Controlled By: Deployment/dpl-nginx
Replicas: 2 current / 2 desired
Pods Status: 2 Running / 1 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=dpl-nginx
pod-template-hash=6c9676dd9c
Containers:
master:
Image: nginx
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/mnt from pvc-volume (rw)
Volumes:
pvc-volume:
Type: PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)
ClaimName: nfs-pvc
ReadOnly: false
Events: <none>
Name: hello-world-644f58f5f4
Namespace: cymtest
Selector: app.kubernetes.io/name=load-balancer-example,pod-template-hash=644f58f5f4
Labels: app.kubernetes.io/name=load-balancer-example
pod-template-hash=644f58f5f4
Annotations: deployment.kubernetes.io/desired-replicas: 5
deployment.kubernetes.io/max-replicas: 7
deployment.kubernetes.io/revision: 1
Controlled By: Deployment/hello-world
Replicas: 5 current / 5 desired
Pods Status: 5 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app.kubernetes.io/name=load-balancer-example
pod-template-hash=644f58f5f4
Containers:
hello-world:
Image: gcr.io/google-samples/node-hello:1.0
Port: 8080/TCP
Host Port: 0/TCP
Environment: <none>
Mounts: <none>
Volumes: <none>
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal SuccessfulCreate 53m replicaset-controller Created pod: hello-world-644f58f5f4-cn72d
Normal SuccessfulCreate 53m replicaset-controller Created pod: hello-world-644f58f5f4-h557b
Normal SuccessfulCreate 53m replicaset-controller Created pod: hello-world-644f58f5f4-xc9fq
Normal SuccessfulCreate 53m replicaset-controller Created pod: hello-world-644f58f5f4-swg9k
Normal SuccessfulCreate 53m replicaset-controller Created pod: hello-world-644f58f5f4-vbj5w
Name: myweb-rs
Namespace: cymtest
Selector: app=web
Labels: <none>
Annotations: <none>
Replicas: 3 current / 3 desired
Pods Status: 3 Running / 2 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=web
Containers:
myweb:
Image: httpd
Port: <none>
Host Port: <none>
Environment: <none>
Mounts:
/usr/local/apache2/htdocs from myvol (rw)
Volumes:
myvol:
Type: PersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)
ClaimName: mypvc-dynamic
ReadOnly: false
Events: <none>
Name: nfs-pod-provisioner-85c495c588
Namespace: cymtest
Selector: app=nfs-pod-provisioner,pod-template-hash=85c495c588
Labels: app=nfs-pod-provisioner
pod-template-hash=85c495c588
Annotations: deployment.kubernetes.io/desired-replicas: 1
deployment.kubernetes.io/max-replicas: 1
deployment.kubernetes.io/revision: 1
Controlled By: Deployment/nfs-pod-provisioner
Replicas: 1 current / 1 desired
Pods Status: 1 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=nfs-pod-provisioner
pod-template-hash=85c495c588
Service Account: nfs-pod-provisioner-sa
Containers:
nfs-pod-provisioner:
Image: quay.io/external_storage/nfs-client-provisioner:latest
Port: <none>
Host Port: <none>
Environment:
PROVISIONER_NAME: nfs-test
NFS_SERVER: 192.168.29.14
NFS_PATH: /mnt/cym_nfs_share
Mounts:
/persistentvolumes from nfs-provisioner-v (rw)
Volumes:
nfs-provisioner-v:
Type: NFS (an NFS mount that lasts the lifetime of a pod)
Server: 192.168.29.14
Path: /mnt/cym_nfs_share
ReadOnly: false
Events: <none>
Name: nginx-deployment-764c6958d5
Namespace: cymtest
Selector: app=nginx,pod-template-hash=764c6958d5
Labels: app=nginx
pod-template-hash=764c6958d5
Annotations: deployment.kubernetes.io/desired-replicas: 3
deployment.kubernetes.io/max-replicas: 4
deployment.kubernetes.io/revision: 1
Controlled By: Deployment/nginx-deployment
Replicas: 3 current / 3 desired
Pods Status: 3 Running / 2 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=nginx
pod-template-hash=764c6958d5
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts:
/nfs from nfsvol1 (rw)
Volumes:
nfsvol1:
Type: NFS (an NFS mount that lasts the lifetime of a pod)
Server: 192.168.29.14
Path: /mnt/cym_nfs_share
ReadOnly: false
Events: <none>
Name: webapp-7d66bc6c7f
Namespace: cymtest
Selector: app=webapp,pod-template-hash=7d66bc6c7f
Labels: app=webapp
pod-template-hash=7d66bc6c7f
Annotations: deployment.kubernetes.io/desired-replicas: 2
deployment.kubernetes.io/max-replicas: 3
deployment.kubernetes.io/revision: 1
Controlled By: Deployment/webapp
Replicas: 2 current / 2 desired
Pods Status: 2 Running / 0 Waiting / 0 Succeeded / 0 Failed
Pod Template:
Labels: app=webapp
pod-template-hash=7d66bc6c7f
Containers:
nginx:
Image: nginx:1.14.2
Port: 80/TCP
Host Port: 0/TCP
Environment: <none>
Mounts: <none>
Volumes: <none>
Events: <none>
[root@m-k8s podtest]# kubectl expose deployment hello-world --type=LoadBalancer --name=my-service
service/my-service exposed
[root@m-k8s podtest]# kubectl get services my-service
NAME TYPE CLUSTER-IP EXTERNAL-IP PORT(S) AGE
my-service LoadBalancer 10.103.10.223 192.168.29.21 8080:31451/TCP 6s
[root@m-k8s podtest]# kubectl describe services my-service
Name: my-service
Namespace: cymtest
Labels: app.kubernetes.io/name=load-balancer-example
Annotations: <none>
Selector: app.kubernetes.io/name=load-balancer-example
Type: LoadBalancer
IP Family Policy: SingleStack
IP Families: IPv4
IP: 10.103.10.223
IPs: 10.103.10.223
LoadBalancer Ingress: 192.168.29.21
Port: <unset> 8080/TCP
TargetPort: 8080/TCP
NodePort: <unset> 31451/TCP
Endpoints: 172.16.221.157:8080,172.16.221.158:8080,172.16.221.159:8080 + 2 more...
Session Affinity: None
External Traffic Policy: Cluster
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal IPAllocated 22s metallb-controller Assigned IP ["192.168.29.21"]
Normal nodeAssigned 22s metallb-speaker announcing from node "w1-k8s"
[root@m-k8s podtest]# kubectl describe services my-service
Name: my-service
Namespace: cymtest
Labels: app.kubernetes.io/name=load-balancer-example
Annotations: <none>
Selector: app.kubernetes.io/name=load-balancer-example
Type: LoadBalancer
IP Family Policy: SingleStack
IP Families: IPv4
IP: 10.103.10.223
IPs: 10.103.10.223
LoadBalancer Ingress: 192.168.29.21
Port: <unset> 8080/TCP
TargetPort: 8080/TCP
NodePort: <unset> 31451/TCP
Endpoints: 172.16.221.157:8080,172.16.221.158:8080,172.16.221.159:8080 + 2 more...
Session Affinity: None
External Traffic Policy: Cluster
Events:
Type Reason Age From Message
---- ------ ---- ---- -------
Normal IPAllocated 44s metallb-controller Assigned IP ["192.168.29.21"]
Normal nodeAssigned 44s metallb-speaker announcing from node "w1-k8s"
[root@m-k8s podtest]# kubectl get pods --output=wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NO DE READINESS GATES
auth-5f45bf5f74-dg78g 1/1 Running 0 6h33m 172.16.221.156 w1-k8s <none> <none>
auth-5f45bf5f74-mt482 1/1 Running 0 6h33m 172.16.221.155 w1-k8s <none> <none>
dpl-nginx-6c9676dd9c-gjrrd 1/1 Terminating 0 6d20h 172.16.103.135 w2-k8s <none> <none>
hello-world-644f58f5f4-cn72d 1/1 Running 0 56m 172.16.221.158 w1-k8s <none> <none>
hello-world-644f58f5f4-h557b 1/1 Running 0 56m 172.16.221.160 w1-k8s <none> <none>
hello-world-644f58f5f4-swg9k 1/1 Running 0 56m 172.16.221.157 w1-k8s <none> <none>
hello-world-644f58f5f4-vbj5w 1/1 Running 0 56m 172.16.221.161 w1-k8s <none> <none>
hello-world-644f58f5f4-xc9fq 1/1 Running 0 56m 172.16.221.159 w1-k8s <none> <none>
myweb-rs-9rgwk 1/1 Terminating 0 6d15h 172.16.103.140 w2-k8s <none> <none>
myweb-rs-sqj25 1/1 Terminating 0 6d15h 172.16.103.139 w2-k8s <none> <none>
nginx-deployment-764c6958d5-bhf4f 1/1 Terminating 0 6d14h 172.16.103.143 w2-k8s <none> <none>
nginx-deployment-764c6958d5-f2g5s 1/1 Terminating 0 6d14h 172.16.103.144 w2-k8s <none> <none>
webapp-7d66bc6c7f-7m692 1/1 Running 0 6h33m 172.16.221.153 w1-k8s <none> <none>
webapp-7d66bc6c7f-r5fbd 1/1 Running 0 6h33m 172.16.221.154 w1-k8s <none> <none>
[root@m-k8s podtest]# kubectl get pods --output=wide
NAME READY STATUS RESTARTS AGE IP NODE NOMINATED NODE READINESS GATES
auth-5f45bf5f74-dg78g 1/1 Running 0 6h33m 172.16.221.156 w1-k8s <none> <none>
auth-5f45bf5f74-mt482 1/1 Running 0 6h33m 172.16.221.155 w1-k8s <none> <none>
dpl-nginx-6c9676dd9c-gjrrd 1/1 Terminating 0 6d20h 172.16.103.135 w2-k8s <none> <none>
hello-world-644f58f5f4-cn72d 1/1 Running 0 56m 172.16.221.158 w1-k8s <none> <none>
hello-world-644f58f5f4-h557b 1/1 Running 0 56m 172.16.221.160 w1-k8s <none> <none>
hello-world-644f58f5f4-swg9k 1/1 Running 0 56m 172.16.221.157 w1-k8s <none> <none>
hello-world-644f58f5f4-vbj5w 1/1 Running 0 56m 172.16.221.161 w1-k8s <none> <none>
hello-world-644f58f5f4-xc9fq 1/1 Running 0 56m 172.16.221.159 w1-k8s <none> <none>
myweb-rs-9rgwk 1/1 Terminating 0 6d15h 172.16.103.140 w2-k8s <none> <none>
myweb-rs-sqj25 1/1 Terminating 0 6d15h 172.16.103.139 w2-k8s <none> <none>
nginx-deployment-764c6958d5-bhf4f 1/1 Terminating 0 6d14h 172.16.103.143 w2-k8s <none> <none>
nginx-deployment-764c6958d5-f2g5s 1/1 Terminating 0 6d14h 172.16.103.144 w2-k8s <none> <none>
webapp-7d66bc6c7f-7m692 1/1 Running 0 6h33m 172.16.221.153 w1-k8s <none> <none>
webapp-7d66bc6c7f-r5fbd 1/1 Running 0 6h33m 172.16.221.154 w1-k8s <none> <none>
[root@m-k8s podtest]# curl http://192.168.29.21:8080
Hello Kubernetes![root@m-k8s podtest]# curl http://192.168.29.21:80
^C
[root@m-k8s podtest]# curl http://192.168.29.21:8080
[root@m-k8s podtest]#
[root@m-k8s podtest]# vi node.yaml
[root@m-k8s podtest]# docker
-c, --context string Name of the context to use to connect to the daemon (overrides DOCKER_HOST env var and default context set with "docker context use")
-D, --debug Enable debug mode
-H, --host list Daemon socket(s) to connect to
-l, --log-level string Set the logging level ("debug"|"info"|"warn"|"error"|"fatal") (default "info")
--tls Use TLS; implied by --tlsverify
--tlscacert string Trust certs signed only by this CA (default "/root/.docker/ca.pem")
--tlscert string Path to TLS certificate file (default "/root/.docker/cert.pem")
--tlskey string Path to TLS key file (default "/root/.docker/key.pem")
--tlsverify Use TLS and verify the remote
-v, --version Print version information and quit
Management Commands:
app* Docker App (Docker Inc., v0.9.1-beta3)
builder Manage builds
buildx* Docker Buildx (Docker Inc., v0.10.0-docker)
config Manage Docker configs
container Manage containers
context Manage contexts
image Manage images
manifest Manage Docker image manifests and manifest lists
network Manage networks
node Manage Swarm nodes
plugin Manage plugins
scan* Docker Scan (Docker Inc., v0.23.0)
secret Manage Docker secrets
service Manage services
stack Manage Docker stacks
swarm Manage Swarm
system Manage Docker
trust Manage trust on Docker images
volume Manage volumes
Commands:
attach Attach local standard input, output, and error streams to a running container
build Build an image from a Dockerfile
commit Create a new image from a container's changes
cp Copy files/folders between a container and the local filesystem
create Create a new container
diff Inspect changes to files or directories on a container's filesystem
events Get real time events from the server
exec Run a command in a running container
export Export a container's filesystem as a tar archive
history Show the history of an image
images List images
import Import the contents from a tarball to create a filesystem image
info Display system-wide information
inspect Return low-level information on Docker objects
kill Kill one or more running containers
load Load an image from a tar archive or STDIN
login Log in to a Docker registry
logout Log out from a Docker registry
logs Fetch the logs of a container
pause Pause all processes within one or more containers
port List port mappings or a specific mapping for the container
ps List containers
pull Pull an image or a repository from a registry
push Push an image or a repository to a registry
rename Rename a container
restart Restart one or more containers
rm Remove one or more containers
rmi Remove one or more images
run Run a command in a new container
save Save one or more images to a tar archive (streamed to STDOUT by default)
search Search the Docker Hub for images
start Start one or more stopped containers
stats Display a live stream of container(s) resource usage statistics
stop Stop one or more running containers
tag Create a tag TARGET_IMAGE that refers to SOURCE_IMAGE
top Display the running processes of a container
unpause Unpause all processes within one or more containers
update Update configuration of one or more containers
version Show the Docker version information
wait Block until one or more containers stop, then print their exit codes
[root@m-k8s podtest]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:0f:f7:2d brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global noprefixroute dynamic eth0
valid_lft 59063sec preferred_lft 59063sec
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:aa:e7:2f brd ff:ff:ff:ff:ff:ff
inet 192.168.29.10/24 brd 192.168.29.255 scope global noprefixroute eth1
valid_lft forever preferred_lft forever
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state DOWN group default
link/ether 02:42:5b:cf:30:82 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
5: tunl0@NONE: <NOARP,UP,LOWER_UP> mtu 1480 qdisc noqueue state UNKNOWN group default qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
inet 172.16.171.64/32 scope global tunl0
valid_lft forever preferred_lft forever
6: cali6b6682b027a@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1480 qdisc noqueue state UP group default
link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netnsid 0
7: calif82daecbb69@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1480 qdisc noqueue state UP group default
link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netnsid 1
8: calie680cd7a74e@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1480 qdisc noqueue state UP group default
link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netnsid 2
[root@m-k8s podtest]# docker run -it --name c1 busybox
Unable to find image 'busybox:latest' locally
latest: Pulling from library/busybox
71d064a1ac7d: Pull complete
Digest: sha256:b58e890a4eaaaf8a8b756af0632442acdc2a630fe771825403c8e51cb140d14c
Status: Downloaded newer image for busybox:latest
/ # exit
[root@m-k8s podtest]# brctl show
bash: brctl: command not found
[root@m-k8s podtest]# docker run -it --name c2 busybox
/ # ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: tunl0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
11: eth0@if12: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue
link/ether 02:42:ac:11:00:02 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.2/16 brd 172.17.255.255 scope global eth0
valid_lft forever preferred_lft forever
/ # exit
[root@m-k8s podtest]# docker run -it --name c3 busybox
/ # ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: tunl0@NONE: <NOARP> mtu 1480 qdisc noop qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
13: eth0@if14: <BROADCAST,MULTICAST,UP,LOWER_UP,M-DOWN> mtu 1500 qdisc noqueue
link/ether 02:42:ac:11:00:02 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.2/16 brd 172.17.255.255 scope global eth0
valid_lft forever preferred_lft forever
/ # exit
/ # ping -c 3 8.8.8.8
PING 8.8.8.8 (8.8.8.8): 56 data bytes
64 bytes from 8.8.8.8: seq=0 ttl=55 time=45.631 ms
64 bytes from 8.8.8.8: seq=1 ttl=55 time=45.448 ms
64 bytes from 8.8.8.8: seq=2 ttl=55 time=86.985 ms
--- 8.8.8.8 ping statistics ---
3 packets transmitted, 3 packets received, 0% packet loss
round-trip min/avg/max = 45.448/59.354/86.985 ms
[root@m-k8s podtest]# curl localhost:80
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
[root@m-k8s podtest]# ip addr
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
inet 127.0.0.1/8 scope host lo
valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:0f:f7:2d brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global noprefixroute dynamic eth0
valid_lft 55995sec preferred_lft 55995sec
3: eth1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:aa:e7:2f brd ff:ff:ff:ff:ff:ff
inet 192.168.29.10/24 brd 192.168.29.255 scope global noprefixroute eth1
valid_lft forever preferred_lft forever
4: docker0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default
link/ether 02:42:5b:cf:30:82 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
5: tunl0@NONE: <NOARP,UP,LOWER_UP> mtu 1480 qdisc noqueue state UNKNOWN group default qlen 1000
link/ipip 0.0.0.0 brd 0.0.0.0
inet 172.16.171.64/32 scope global tunl0
valid_lft forever preferred_lft forever
6: cali6b6682b027a@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1480 qdisc noqueue state UP group default
link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netnsid 0
7: calif82daecbb69@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1480 qdisc noqueue state UP group default
link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netnsid 1
8: calie680cd7a74e@if4: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1480 qdisc noqueue state UP group default
link/ether ee:ee:ee:ee:ee:ee brd ff:ff:ff:ff:ff:ff link-netnsid 2
24: veth76cb046@if23: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master docker0 state UP group default
link/ether 6a:e3:41:d8:89:26 brd ff:ff:ff:ff:ff:ff link-netnsid 3
[root@m-k8s podtest]# curl localhost:80
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
[root@m-k8s podtest]# curl localhost:32769
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
[root@m-k8s podtest]# curl localhost:32769
<!DOCTYPE html>
<html>
<head>
<title>Welcome to nginx!</title>
<style>
html { color-scheme: light dark; }
body { width: 35em; margin: 0 auto;
font-family: Tahoma, Verdana, Arial, sans-serif; }
</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed and
working. Further configuration is required.</p>
<p>For online documentation and support please refer to
<a href="http://nginx.org/">nginx.org</a>.<br/>
Commercial support is available at
<a href="http://nginx.com/">nginx.com</a>.</p>
<p><em>Thank you for using nginx.</em></p>
</body>
</html>
[root@m-k8s podtest]# docker run -P 80 -d --name web10 nginx
Unable to find image '80:latest' locally
docker: Error response from daemon: pull access denied for 80, repository does not exist or may require 'docker login': denied: requested access to the resource is denied.
See 'docker run --help'.
[root@m-k8s podtest]# docker run -P -d --name web99 nginx
cc1c59770ac3bba398310cad4ab350888458193150b3097015d61d058da76617
[root@m-k8s podtest]# docker ps
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
cc1c59770ac3 nginx "/docker-entrypoint.…" 35 seconds ago Up 34 seconds 0.0.0.0:32770->80/tcp web99
114d866b6232 nginx "/docker-entrypoint.…" 7 minutes ago Up 7 minutes 0.0.0.0:32769->80/tcp web3
102008183a94 nginx "/docker-entrypoint.…" 7 minutes ago Up 7 minutes 0.0.0.0:80->80/tcp web9
[root@m-k8s podtest]# docker network
Usage: docker network COMMAND
Manage networks
Commands:
connect Connect a container to a network
create Create a network
disconnect Disconnect a container from a network
inspect Display detailed information on one or more networks
ls List networks
prune Remove all unused networks
rm Remove one or more networks
Run 'docker network COMMAND --help' for more information on a command.
[root@m-k8s podtest]# docker network ls
NETWORK ID NAME DRIVER SCOPE
fda3e8a5f2e6 bridge bridge local
35f51fa9cef9 host host local
8d73da63f0fa none null local
[root@m-k8s podtest]# docker network ls
NETWORK ID NAME DRIVER SCOPE
fda3e8a5f2e6 bridge bridge local
35f51fa9cef9 host host local
8d73da63f0fa none null local
[root@m-k8s podtest]#
[root@m-k8s podtest]#
[root@m-k8s podtest]# docker network --help
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