docker容器状态的转换实现（docker容器状态）

一 docker容器状态转换图

二 实战

[root@localhost ~]# docker info Containers: 0 Running: 0 Paused: 0 Stopped: 0 Images: 3 Server Version: 17.09.0-ce Storage Driver: overlay Backing Filesystem: xfs Supports d_type: false Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 06b9cb35161009dcb7123345749fef02f7cea8e0 runc version: 3f2f8b84a77f73d38244dd690525642a72156c64 init version: 949e6fa Security Options: seccomp Profile: default Kernel Version: 3.10.0-327.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 993MiB Name: localhost.localdomain ID: 6ULL:CFMN:YT7C:4RXZ:2CJ4:26H2:D4Y6:YHUP:SH7L:QLEQ:AWEB:EWTB Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false WARNING: overlay: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with ftype=1 to enable d_type support. Running without d_type support will not be supported in future releases. WARNING: bridge-nf-call-iptables is disabled WARNING: bridge-nf-call-ip6tables is disabled [root@localhost ~]# docker images REPOSITORY TAG IMAGE ID CREATED SIZE clearlinux latest 32685d114002 6 days ago 62.5MB busybox latest 6ad733544a63 6 days ago 1.13MB alpine latest 053cde6e8953 6 days ago 3.96MB [root@localhost ~]# docker run -d --name box1 busybox 4ca3d293206cd34e449075491679b0cddd619b451cac7a3d20d5b5daaa6095d8 [root@localhost ~]# docker run -itd --name box2 busybox 9c1578a50f0b97d48c7501dda6d6e1c3d8b3d9ed0e37416120f91f5a634fb12f [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES 9c1578a50f0b busybox "sh" 13 seconds ago Up 11 seconds box2 4ca3d293206c busybox "sh" 47 seconds ago Exited (0) 45 seconds ago box1 [root@localhost ~]# docker run -itd --name box3 busybox e84a746ea040603aa4db791da77aee2e2502ff5b184e89049a74805671a58ba9 [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 5 seconds ago Up 4 seconds box3 9c1578a50f0b busybox "sh" About a minute ago Up About a minute box2 4ca3d293206c busybox "sh" 2 minutes ago Exited (0) 2 minutes ago box1 [root@localhost ~]# docker info Containers: 3 Running: 2 Paused: 0 Stopped: 1 Images: 3 Server Version: 17.09.0-ce Storage Driver: overlay Backing Filesystem: xfs Supports d_type: false Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 06b9cb35161009dcb7123345749fef02f7cea8e0 runc version: 3f2f8b84a77f73d38244dd690525642a72156c64 init version: 949e6fa Security Options: seccomp Profile: default Kernel Version: 3.10.0-327.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 993MiB Name: localhost.localdomain ID: 6ULL:CFMN:YT7C:4RXZ:2CJ4:26H2:D4Y6:YHUP:SH7L:QLEQ:AWEB:EWTB Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false WARNING: overlay: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with ftype=1 to enable d_type support. Running without d_type support will not be supported in future releases. WARNING: bridge-nf-call-iptables is disabled WARNING: bridge-nf-call-ip6tables is disabled [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 4 minutes ago Up 4 minutes box3 9c1578a50f0b busybox "sh" 6 minutes ago Up 6 minutes box2 4ca3d293206c busybox "sh" 6 minutes ago Exited (0) 6 minutes ago box1 [root@localhost ~]# docker restart 9c 9c [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 5 minutes ago Up 5 minutes box3 9c1578a50f0b busybox "sh" 7 minutes ago Up 2 seconds box2 4ca3d293206c busybox "sh" 8 minutes ago Exited (0) 8 minutes ago box1 [root@localhost ~]# docker pause 9c 9c [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 8 minutes ago Up 8 minutes box3 9c1578a50f0b busybox "sh" 10 minutes ago Up 2 minutes (Paused) box2 4ca3d293206c busybox "sh" 10 minutes ago Exited (0) 10 minutes ago box1 [root@localhost ~]# docker info Containers: 3 Running: 1 Paused: 1 Stopped: 1 Images: 3 Server Version: 17.09.0-ce Storage Driver: overlay Backing Filesystem: xfs Supports d_type: false Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 06b9cb35161009dcb7123345749fef02f7cea8e0 runc version: 3f2f8b84a77f73d38244dd690525642a72156c64 init version: 949e6fa Security Options: seccomp Profile: default Kernel Version: 3.10.0-327.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 993MiB Name: localhost.localdomain ID: 6ULL:CFMN:YT7C:4RXZ:2CJ4:26H2:D4Y6:YHUP:SH7L:QLEQ:AWEB:EWTB Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false WARNING: overlay: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with ftype=1 to enable d_type support. Running without d_type support will not be supported in future releases. WARNING: bridge-nf-call-iptables is disabled WARNING: bridge-nf-call-ip6tables is disabled [root@localhost ~]# docker unpause 9c 9c [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 11 minutes ago Up 11 minutes box3 9c1578a50f0b busybox "sh" 13 minutes ago Up 6 minutes box2 4ca3d293206c busybox "sh" 14 minutes ago Exited (0) 14 minutes ago box1 [root@localhost ~]# docker info Containers: 3 Running: 2 Paused: 0 Stopped: 1 Images: 3 Server Version: 17.09.0-ce Storage Driver: overlay Backing Filesystem: xfs Supports d_type: false Logging Driver: json-file Cgroup Driver: cgroupfs Plugins: Volume: local Network: bridge host macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file logentries splunk syslog Swarm: inactive Runtimes: runc Default Runtime: runc Init Binary: docker-init containerd version: 06b9cb35161009dcb7123345749fef02f7cea8e0 runc version: 3f2f8b84a77f73d38244dd690525642a72156c64 init version: 949e6fa Security Options: seccomp Profile: default Kernel Version: 3.10.0-327.el7.x86_64 Operating System: CentOS Linux 7 (Core) OSType: linux Architecture: x86_64 CPUs: 1 Total Memory: 993MiB Name: localhost.localdomain ID: 6ULL:CFMN:YT7C:4RXZ:2CJ4:26H2:D4Y6:YHUP:SH7L:QLEQ:AWEB:EWTB Docker Root Dir: /var/lib/docker Debug Mode (client): false Debug Mode (server): false Registry: https://index.docker.io/v1/ Experimental: false Insecure Registries: 127.0.0.0/8 Live Restore Enabled: false WARNING: overlay: the backing xfs filesystem is formatted without d_type support, which leads to incorrect behavior. Reformat the filesystem with ftype=1 to enable d_type support. Running without d_type support will not be supported in future releases. WARNING: bridge-nf-call-iptables is disabled WARNING: bridge-nf-call-ip6tables is disabled [root@localhost ~]# docker kill 9c 9c [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 17 minutes ago Up 17 minutes box3 9c1578a50f0b busybox "sh" 19 minutes ago Exited (137) 3 seconds ago box2 4ca3d293206c busybox "sh" 20 minutes ago Exited (0) 20 minutes ago box1 [root@localhost ~]# docker stop e8 ^[[Ae8 [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 19 minutes ago Exited (137) 1 second ago box3 9c1578a50f0b busybox "sh" 21 minutes ago Exited (137) 2 minutes ago box2 4ca3d293206c busybox "sh" 22 minutes ago Exited (0) 22 minutes ago box1 [root@localhost ~]# docker start e8 e8 [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 22 minutes ago Up 5 seconds box3 9c1578a50f0b busybox "sh" 24 minutes ago Exited (137) 4 minutes ago box2 4ca3d293206c busybox "sh" 24 minutes ago Exited (0) 24 minutes ago box1 [root@localhost ~]# docker start 9c 9c [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 25 minutes ago Up 3 minutes box3 9c1578a50f0b busybox "sh" 27 minutes ago Up 3 seconds box2 4ca3d293206c busybox "sh" 28 minutes ago Exited (0) 28 minutes ago box1 [root@localhost ~]# docker restart 9c 9c [root@localhost ~]# docker ps -a CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES e84a746ea040 busybox "sh" 26 minutes ago Up 4 minutes box3 9c1578a50f0b busybox "sh" 28 minutes ago Up 7 seconds box2 4ca3d293206c busybox "sh" 28 minutes ago Exited (0) 28 minutes ago box1

补充知识：一张图看懂docker容器的所有状态

部分解释：

创建容器的命令

run 是create和start的结合

create-created-start

例子：

docker create httpd

OCM硬件信息

docker kill id 强制关闭容器

die某个程序别强制退出，或者进程出错

docker pause :暂停容器中所有的进程。

docker unpause :恢复容器中所有的进程。