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                版本: 18.06-ce yum install -y yum-utils device-mapper-persistent-data lvm2 yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo wget https://download.docker.com/linux/centos/7/x86_64/stable/Packages/docker-ce-17.12.1.ce-1.el7.centos.x86_64.rpm yum install -y ./docker-ce-17.12.1.ce-1.el7.centos.x86_64.rpm systemctl enable docker systemctl start docker /etc/docker/daemon.json { "exec-opts": ["native.cgroupdriver=cgroupfs","MountFlags=slave","log-opt max-size=10m","log-opt max-file=3"], #掛載信號,console限額 "graph": "/opt/docker", "storage-driver": "overlay2", #存儲驅動overlay2 "storage-opts": [ "overlay2.override_kernel_check=true", "overlay2.size=10G" #overlay2,容器磁盤限額 ], "insecure-registries": ["10.18.19.17:5000"], "registry-mirrors": ["https://mirror.dianrong.io"], "hosts": ["tcp://0.0.0.0:4243", "unix:///var/run/docker.sock"] } systemd 配置 /usr/lib/systemd/system/docker.service [Unit] Description=Docker Application Container Engine Documentation=https://docs.docker.com After=network.target docker.socket Requires=docker.socket [Service] Type=notify # the default is not to use systemd for cgroups because the delegate issues still # exists and systemd currently does not support the cgroup feature set required # for containers run by docker ExecStart=/usr/bin/docker daemon -H fd:// MountFlags=slave LimitNOFILE=1048576 LimitNPROC=1048576 LimitCORE=infinity TimeoutStartSec=0 # set delegate yes so that systemd does not reset the cgroups of docker containers Delegate=yes [Install] WantedBy=multi-user.target **part1?** PXE安裝后環境: * 系統盤:RAID1=1TB,數據盤:RAID5=5TB * kernel:kernel\-3.10.0-862(對于現存所有環境下的CentOS系統的App服務器,應當計劃逐步遷移更新至kernel?3.10.0-514以上以支持overlay2) * lang=en\_US.UTF-8 * firewalld:disabled * selinux:disabled * 默認分區規則:劃分一塊vg:VolGroup00,以下LV以及掛載點均從此VG創建 1. /=50G 2. /tmp=10G 3. /var=20G * repo源: 指向自建repo源(上游yum為清華yum repo) * 網卡bond (em1 em2 主備模式) * 安裝salt minion ### **part2** 由saltstack master push 配置到minion完成: * 系統用戶初始化 創建dradmin用戶,uid和gid=2000,分配sudo權限,(添加堡壘機key) 創建zabbix用戶,uid和gid=1010,隸屬zabbix組 創建druser用戶,uid和gid=1000,隸屬druser組 * 系統參數初始化 1. vm.swappiness:0 2. vm.overcommit\_memory:1 3. net.ipv4.ip\_forward:1 4. \* soft nofile 110000 \* hard nofile 160000 5. \* soft nproc 20480 \* hard nproc 20480 root soft nproc unlimited 6. 禁用swapness 7. 禁用ipv6 8. history format 增加時間 9. history size == 10240 * ntpd同步打開 * 安裝通用pkg(vim、lftp、git、net-tools、htop、bind-utils) * lvm劃分(均為xfs文件系統) app\_dump VolGroup00 -wi-ao---- 100.00g app\_logs VolGroup00 -wi-ao---- 100.00g docker VolGroup00 -wi-ao---- 1000.00g * 安裝python-pip == 9.0.3 * docker 安裝標準 1. 使用overlay2 2. version:17.12.1-ce(此版本開始支持磁盤配額) ? ? ? 3./etc/docker/daemon.json {&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"exec-opts": ["native.cgroupdriver=cgroupfs","MountFlags=slave","log-opt max-size=10m","log-opt max-file=3"], #掛載信號,console限額&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"graph":&nbsp;"/opt/docker",&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"storage-driver":&nbsp;"overlay2", #存儲驅動overlay2&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"storage-opts": [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"overlay2.override_kernel_check=true",&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"overlay2.size=10G"&nbsp;&nbsp;#overlay2,容器磁盤限額&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;],&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"insecure-registries": ["10.18.19.17:5000"],&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"registry-mirrors": ["https://mirror.dianrong.io"],&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;"hosts": ["tcp://0.0.0.0:4243",&nbsp;"unix:///var/run/docker.sock"] ? ? ? ?4.systemctl enable docker && system start docker ? ? ? ?5.initial 基礎容器:DOCKER\_VOLUMES ? ? ? ? "Binds": \[ ? ? ? ? "/opt/[app\_logs:/app\_logs](http://app_logs/app_logs)", ? ? ? ? "/opt/[app\_dump:/app\_dump](http://app_dump/app_dump)", ? ? ? ? "/opt/[app\_sbin:/app\_sbin](http://app_sbin/app_sbin)" ? ? ? ? ?\], ? ? ? ? ## 安裝后 check 項: todo 分區,磁盤掛載點
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