dockerベースの使い方とコマンド

25077 ワード
1.ミラーの検索
#docker search ubuntu
2.ミラーの取得
#docker pull ubuntu
3.現在のミラーリストを表示する
#docker p_w_picpaths
4.コンテナの実行
#docker run –i –t ubuntu:14.04/bin/bash
docker runコンテナを実行する
-tは偽ttyを割り当てる
-iインタラクティブモード
ubuntu:14.04 ubuntuベースミラー14.04を使用
/bin/bash-コマンドbash shellの実行
docker tag [p_w_picpath]: [tag]
例:#docker tag ubuntu:15.10 runoob/ubuntu:v 3
docker help
docker command 
$ sudo docker   # docker     

Commands:
    attach    Attach to a running container                 #    shell   attach         
    build     Build an p_w_picpath from a Dockerfile              #    Dockerfile     
    commit    Create a new p_w_picpath from a container's changes #            
    cp        Copy files/folders from the containers filesystem to the host path
              #                    
    create    Create a new container                        #         ，  run，      
    diff      Inspect changes on a container's filesystem   #    docker     
    events    Get real time events from the server          #   docker           
    exec      Run a command in an existing container        #             
    export    Stream the contents of a container as a tar archive   
              #              tar     [   import ]
    history   Show the history of an p_w_picpath                  #           
    p_w_picpaths    List p_w_picpaths                                   #         
    import    Create a new filesystem p_w_picpath from the contents of a tarball  
              #  tar                 [   export]
    info      Display system-wide information               #         
    inspect   Return low-level information on a container   #         
    kill      Kill a running container                      # kill    docker   
    load      Load an p_w_picpath from a tar archive              #     tar         [   save]
    login     Register or Login to the docker registry server   
              #          docker     
    logout    Log out from a Docker registry server         #     Docker registry   
    logs      Fetch the logs of a container                 #           
    port      Lookup the public-facing port which is NAT-ed to PRIVATE_PORT
              #                 
    pause     Pause all processes within a container        #     
    ps        List containers                               #       
    pull      Pull an p_w_picpath or a repository from the docker registry server
              #  docker                 
    push      Push an p_w_picpath or a repository to the docker registry server
              #             docker    
    restart   Restart a running container                   #        
    rm        Remove one or more containers                 #           
    rmi       Remove one or more p_w_picpaths                 
              #          [            ，               -f     ]
    run       Run a command in a new container
              #                
    save      Save an p_w_picpath to a tar archive                #           tar  [   load]
    search    Search for an p_w_picpath on the Docker Hub         #   docker hub      
    start     Start a stopped containers                    #     
    stop      Stop a running containers                     #     
    tag       Tag an p_w_picpath into a repository                #         
    top       Lookup the running processes of a container   #             
    unpause   Unpause a paused container                    #       
    version   Show the docker version information           #    docker    
    wait      Block until a container stops, then print its exit code   
              #              
Run 'docker COMMAND --help' for more information on a command.

docker option 
Usage of docker:
  --api-enable-cors=false                Enable CORS headers in the remote API                      #    API     CORS  
  -b, --bridge=""                        Attach containers to a pre-existing network bridge         #     
                                           use 'none' to disable container networking
  --bip=""                               Use this CIDR notation address for the network bridge's IP, not compatible with -b
                                         #   -b      ，       
  -d, --daemon=false                     Enable daemon mode                                         # daemon   
  -D, --debug=false                      Enable debug mode                                          # debug   
  --dns=[]                               Force docker to use specific DNS servers                   #    docker      dns    
  --dns-search=[]                        Force Docker to use specific DNS search domains            #    docker      dns    
  -e, --exec-driver="native"             Force the docker runtime to use a specific exec driver     #    docker             
  --fixed-cidr=""                        IPv4 subnet for fixed IPs (ex: 10.20.0.0/16)
                                           this subnet must be nested in the bridge subnet (which is defined by -b or --bip)
  -G, --group="docker"                   Group to assign the unix socket specified by -H when running in daemon mode
                                           use '' (the empty string) to disable setting of a group
  -g, --graph="/var/lib/docker"          Path to use as the root of the docker runtime              #           
  -H, --host=[]                          The socket(s) to bind to in daemon mode                    # daemon     docker       [tcp or    socket]
                                           specified using one or more tcp://host:port, unix:///path/to/socket, fd://* or fd://socketfd.
  --icc=true                             Enable inter-container communication                       #      
  --insecure-registry=[]                 Enable insecure communication with specified registries (no certificate verification for HTTPS and enable HTTP fallback) (e.g., localhost:5000 or 10.20.0.0/16)
  --ip="0.0.0.0"                         Default IP address to use when binding container ports     #       ，     ip
  --ip-forward=true                      Enable net.ipv4.ip_forward                                 #     
  --ip-masq=true                         Enable IP masquerading for bridge's IP range
  --iptables=true                        Enable Docker's addition of iptables rules                 #      iptables   
  --mtu=0                                Set the containers network MTU                             #      mtu
                                           if no value is provided: default to the default route MTU or 1500 if no default route is available
  -p, --pidfile="/var/run/docker.pid"    Path to use for daemon PID file                            #    pid     
  --registry-mirror=[]                   Specify a preferred Docker registry mirror                  
  -s, --storage-driver=""                Force the docker runtime to use a specific storage driver  #    docker            
  --selinux-enabled=false                Enable selinux support                                     #    selinux   
  --storage-opt=[]                       Set storage driver options                                 #         
  --tls=false                            Use TLS; implied by tls-verify flags                       #    tls
  --tlscacert="/root/.docker/ca.pem"     Trust only remotes providing a certificate signed by the CA given here
  --tlscert="/root/.docker/cert.pem"     Path to TLS certificate file                               # tls       
  --tlskey="/root/.docker/key.pem"       Path to TLS key file                                       # tls key     
  --tlsverify=false                      Use TLS and verify the remote (daemon: verify client, client: verify daemon) #    tls          
  -v, --version=false                    Print version information and quit                         #    docker

4.2 docker search 
$ sudo docker search --help

Usage: docker search TERM

Search the Docker Hub for p_w_picpaths #   Docker Hub      --automated=false Only show automated builds
  --no-trunc=false Don't truncate output
  -s, --stars=0 Only displays with at least xxx stars

例:
$ sudo docker search -s 100 ubuntu #    star      100    ，         start     100，     s          ubuntu    NAME      DESCRIPTION                  STARS     OFFICIAL   AUTOMATED
ubuntu    Official Ubuntu base p_w_picpath 425 [OK]

4.3 docker info 
$ sudo docker info 
Containers: 1 #      Images: 22 #      Storage Driver: devicemapper #      Pool Name: docker-8:17-3221225728-pool
 Pool Blocksize: 65.54 kB
 Data file: /data/docker/devicemapper/devicemapper/data
 Metadata file: /data/docker/devicemapper/devicemapper/metadata
 Data Space Used: 1.83 GB
 Data Space Total: 107.4 GB
 Metadata Space Used: 2.191 MB
 Metadata Space Total: 2.147 GB
 Library Version: 1.02.84-RHEL7 (2014-03-26) Execution Driver: native-0.2 #      Kernel Version: 3.10.0-123.el7.x86_64
Operating System: CentOS Linux 7 (Core)

4.4 docker pull && docker push 
$ sudo docker pull --help # pull      Usage: docker pull [OPTIONS] NAME[:TAG] Pull an p_w_picpath or a repository from the registry

  -a, --all-tags=false Download all tagged p_w_picpaths in the repository $ sudo docker push # push        Usage: docker push NAME[:TAG] Push an p_w_picpath or a repository to the registry

例:
$ sudo docker pull ubuntu #      ubuntu docker   ，       ubuntu       $ sudo docker pull ubuntu:14.04 #        ubuntu      
$ sudo docker push 192.168.0.100:5000/ubuntu #          [    docker     ，         ] $ sudo docker push 192.168.0.100:5000/ubuntu:14.04 #

4.5 docker p_w_picpaths
現在のシステムミラーを一覧表示
$ sudo docker p_w_picpaths --help

Usage: docker p_w_picpaths [OPTIONS] [NAME] List p_w_picpaths

  -a, --all=false Show all p_w_picpaths (by default filter out the intermediate p_w_picpath layers) # -a            ，       ，   docker p_w_picpaths       ，         -f, --filter=[] Provide filter values (i.e. 'dangling=true') --no-trunc=false Don't truncate output
  -q, --quiet=false Only show numeric IDs

例:
$ sudo docker p_w_picpaths #         ，         $ sudo docker p_w_picpaths -a #           ，        $ sudo docker p_w_picpaths ubuntu #        docker ubuntu         REPOSITORY                 TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
ubuntu                     12.04               ebe4be4dd427 4 weeks ago         210.6 MB
ubuntu                     14.04               e54ca5efa2e9 4 weeks ago         276.5 MB
ubuntu                     14.04-ssh           6334d3ac099a 7 weeks ago         383.2 MB

4.6 docker rmi
1つ以上のミラーを削除
$ sudo docker rmi --help

Usage: docker rmi IMAGE [IMAGE...] Remove one or more p_w_picpaths

  -f, --force=false Force removal of the p_w_picpath #                    --no-prune=false Do not delete untagged parents #

4.7 docker run 
$ sudo docker run --help

Usage: docker run [OPTIONS] IMAGE [COMMAND] [ARG...] Run a command in a new container

  -a, --attach=[] Attach to stdin, stdout or stderr.
  -c, --cpu-shares=0 CPU shares (relative weight) #    cpu      --cap-add=[] Add Linux capabilities
  --cap-drop=[] Drop Linux capabilities
  --cidfile="" Write the container ID to the file #     id         --cpuset="" CPUs in which to allow execution (0-3, 0,1) # cpu    -d, --detach=false Detached mode: Run container in the background, print new container id #        --device=[] Add a host device to the container (e.g. --device=/dev/sdc:/dev/xvdc) --dns=[] Set custom dns servers #    dns --dns-search=[] Set custom dns search domains #    dns     -e, --env=[] Set environment variables #        --entrypoint="" Overwrite the default entrypoint of the p_w_picpath # ？ --env-file=[] Read in a line delimited file of ENV variables #            --expose=[] Expose a port from the container without publishing it to your host #            -h, --hostname="" Container host name #         -i, --interactive=false Keep stdin open even if not attached #              attached --link=[] Add link to another container (name:alias) #             --lxc-conf=[] (lxc exec-driver only) Add custom lxc options --lxc-conf="lxc.cgroup.cpuset.cpus = 0,1" -m, --memory="" Memory limit (format: , where unit = b, k, m or g) #      --name="" Assign a name to the container #       --net="bridge" Set the Network mode for the container #          'bridge': creates a new network stack for the container on the docker bridge 'none': no networking for this container 'container:': reuses another container network stack 'host': use the host network stack inside the container.  Note: the host mode gives the container full access to local system services such as D-bus and is therefore considered insecure.
  -P, --publish-all=false Publish all exposed ports to the host interfaces #                 -p, --publish=[] Publish a container's port to the host             #         format: ip:hostPort:containerPort | ip::containerPort | hostPort:containerPort  (use 'docker port' to see the actual mapping) --privileged=false Give extended privileges to this container #            --restart="" Restart policy to apply when a container exits (no, on-failure[:max-retry], always) --rm=false Automatically remove the container when it exits (incompatible with -d) #             -d      --security-opt=[] Security Options
  --sig-proxy=true Proxify received signals to the process (even in non-tty mode). SIGCHLD is not proxied.
  -t, --tty=false Allocate a pseudo-tty #       -u, --user="" Username or UID #           uid       -v, --volume=[] Bind mount a volume (e.g., from the host: -v /host:/container, from docker: -v /container) #     --volumes-from=[] Mount volumes from the specified container(s) #          -w, --workdir="" Working directory inside the container #

例:
$ sudo docker p_w_picpaths ubuntu
REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
ubuntu              14.04               e54ca5efa2e9 4 weeks ago         276.5 MB
... ... $ sudo docker run -t -i -c 100 -m 512MB -h test1 -d --name="docker_test1" ubuntu /bin/bash #      cpu      100，     512MB，     test1，   docker_test1      bash     a424ca613c9f2247cd3ede95adfbaf8d28400cbcb1d5f9b69a7b56f97b2b52e5 $ sudo docker ps 
CONTAINER ID        IMAGE           COMMAND         CREATED             STATUS              PORTS       NAMES
a424ca613c9f        ubuntu:14.04    /bin/bash 6 seconds ago       Up 5 seconds                    docker_test1 $ sudo docker attach docker_test1
root@test1:/# pwd /
root@test1:/# exit exit

cpu優先度について:
By default all groups have 1024 shares. A group with 100 shares will get a ~10% portion of the CPU time -archlinux cgroups
4.8 docker start|stop|kill... ...
dockerstart|stop|kill|restart|pause|unpause|rm|commit|inspect|logs
  • docker start CONTAINER [CONTAINER...]
  • #1つ以上の停止容器
    • を運転する
  • docker stop CONTAINER [CONTAINER...]
  • #1つまたは複数の実行コンテナを停止-tオプションでタイムアウト時間
    • を指定できます.
  • docker kill [OPTIONS] CONTAINER [CONTAINER...]
  • #デフォルトkill送信SIGKILL信号-sは、送信kill信号タイプ
    • を指定することができる.
  • docker restart [OPTIONS] CONTAINER [CONTAINER...]
  • #1つ以上の実行を再開するコンテナ-tオプションタイムアウト時間
    • を指定します.
  • docker pause CONTAINER
  • #容器を一時停止し、便利commit
  • docker unpause CONTAINER
  • #一時停止を継続する容器
  • docker rm [OPTIONS] CONTAINER [CONTAINER...]
  • #1つまたは複数のコンテナを除去
  • -f, --force=false Force removal of running container
  • -l, --link=false Remove the specified link and not the underlying container
  • -v, --volumes=false Remove the volumes associated with the container

  • docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]]
  • #デフォルトcommitは一時停止状態
    • です.
  • #指定コンテナをミラーとしてコミット
  • -a, --author=""Author (e.g., "John Hannibal Smith [email protected]")
  • -m, --message=""Commit message
  • -p, --pause=true Pause container during commit

  • docker inspect CONTAINER|IMAGE [CONTAINER|IMAGE...]
  • #コンテナまたはミラーの詳細を表示する
  • docker logs CONTAINER
  • #tail-f
    • に類似
  • #指定コンテナログ情報
    • を出力する.
  • -f, --follow=false Follow log output
  • -t, --timestamps=false Show timestamps
  • --tail="all"Output the specified number of lines at the end of logs (defaults to all logs)


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