docker深入2-linux下的配置文件daemon.json使用示例
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docker深入2-linux下的配置文件daemon.json使用示例
2016/12/9
一、现状 1、默认没有这个配置文件,手动创建一个即可。 2、我们目前使用过的操作 在“docker深入2-存储驱动之使用devicemapper(direct-lvm)模式”这一节中,我们是这样操作的: --------------------------------------- 调整 daemon.json 的配置: [[email protected] ~]# cat /etc/docker/daemon.json { "storage-driver": "devicemapper", "storage-opts": [ "dm.thinpooldev=/dev/mapper/docker-thinpool", "dm.use_deferred_removal=true", "dm.use_deferred_deletion=true" ] } --------------------------------------- 定义了 storage-driver 的值。 然后重启服务: [[email protected] ~]# systemctl restart docker && systemctl status docker -l 这样做的好处:调整配置时,不用去修改 docker.service的参数,通过配置文件来管理,更为清晰合理。 二、探索 1、linux上一个完整的配置示例 { "api-cors-header": "", "authorization-plugins": [], "bip": "", "bridge": "", "cgroup-parent": "", "cluster-store": "", "cluster-store-opts": {}, "cluster-advertise": "", "debug": true, "default-gateway": "", "default-gateway-v6": "", "default-runtime": "runc", "default-ulimits": {}, "disable-legacy-registry": false, "dns": [], "dns-opts": [], "dns-search": [], "exec-opts": [], "exec-root": "", "fixed-cidr": "", "fixed-cidr-v6": "", "graph": "", "group": "", "hosts": [], "icc": false, "insecure-registries": [], "ip": "0.0.0.0", "iptables": false, "ipv6": false, "ip-forward": false, "ip-masq": false, "labels": [], "live-restore": true, "log-driver": "", "log-level": "", "log-opts": {}, "max-concurrent-downloads": 3, "max-concurrent-uploads": 5, "mtu": 0, "oom-score-adjust": -500, "pidfile": "", "raw-logs": false, "registry-mirrors": [], "runtimes": { "runc": { "path": "runc" }, "custom": { "path": "/usr/local/bin/my-runc-replacement", "runtimeArgs": [ "--debug" ] } }, "selinux-enabled": false, "storage-driver": "", "storage-opts": [], "swarm-default-advertise-addr": "", "tls": true, "tlscacert": "", "tlscert": "", "tlskey": "", "tlsverify": true, "userland-proxy": false, "userns-remap": "" } 上述是官网docs提供的一个示例配置,我们可以参考,选择性的配置其中的部分内容。 2、如何配置 registry 相关的参数 涉及以下2个参数: "insecure-registries": [], "registry-mirrors": [], 配置示例: [[email protected] ~]# cat /etc/docker/daemon.json { "storage-driver": "devicemapper", "storage-opts": [ "dm.thinpooldev=/dev/mapper/docker-thinpool", "dm.use_deferred_removal=true", "dm.use_deferred_deletion=true" ], "registry-mirrors": [ "http://m.hub.test.com" ], "insecure-registries": [ "hub.test.com" ] } ZYXW、参考 1、docs https://docs.docker.com/engine/reference/commandline/dockerd/#/linux-configuration-file
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