/
main.yml
534 lines (482 loc) · 17.8 KB
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main.yml
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---
- hosts: "{{ host }}"
tasks:
- name: 0. check components
shell: |
docker info|grep -E "Storage Driver|d_type|Driver|Kernel|Operating"
tags: check
- name: 1. template /etc/hosts
template: src=template/hosts.j2 dest=/tmp/hosts
tags: init
- name: 1. adjuest centos7 system
shell: |
setenforce 0;
timedatectl set-timezone Asia/Shanghai;
timedatectl set-ntp 0;
timedatectl set-local-rtc 0;
ntpdate -u -o3 192.168.147.20;
swapoff -a;
sed -r -i "/k8s/d" /etc/hosts;
cat /tmp/hosts >> /etc/hosts;
hostnamectl --static set-hostname "{{inventory_hostname}}";
localectl set-locale LANG=en_US.UTF8;
mkdir -p /etc/docker
chattr -i /etc/resolv.conf;
echo -e "{{inventory_hostname}}" > /etc/hostname;
echo -e 'LANG=en_US.utf8\nLC_CTYPE=en_US.utf8' > /etc/locale.conf;
echo -e '*\t\tsoft\t\tnproc\t\t10240\nroot\t\tsoft\t\tproc\t\tunlimited' > /etc/security/limits.d/20-nproc.conf;
echo -e '0 * * * * root (/usr/sbin/ntpdate -u -o3 192.168.147.20 ntp.aliyun.com 211.115.194.21)' > /etc/cron.d/upyun;
echo -e 'nameserver 192.168.147.20\nnameserver 192.168.21.20' > /etc/resolv.conf;
echo -e 'net.bridge.bridge-nf-call-ip6tables = 1\nnet.bridge.bridge-nf-call-iptables = 1\nvm.swappiness=0' > /etc/sysctl.d/k8s.conf;
sed -r -i '/obsoletes/s^=.*^=0^g' /etc/yum.conf;
sed -r -i '/update_hostname/s@^@#@g' /etc/cloud/cloud.cfg;
sed -r -i 's/SELINUX=.*/SELINUX=disabled/g' /etc/selinux/config;
sed -r -i 's/weekly/daily/g;s/^rotate.*/rotate 7/g;s/#compress/compress/g' /etc/logrotate.conf;
sed -r -i --follow-symlinks 's/SELINUX=.*/SELINUX=disabled/g' /etc/sysconfig/selinux;
sed -r -i '/^[^root]/s:/bin/bash:/sbin/nologin:g' /etc/passwd;
sed -r -i '/#Port 22/s^.*^Port 65422^g;/^PasswordAuthentication/s^yes^no^g' /etc/ssh/sshd_config;
sed -r -i -e '/DefaultLimitCORE=/s^.*^DefaultLimitCORE=infinity^g' -e '/DefaultLimitNOFILE=/s^.*^DefaultLimitNOFILE=100000^g' -e '/DefaultLimitNPROC=/s^.*^DefaultLimitNPROC=100000^g' /etc/systemd/system.conf;
sed -r -i '/Compress=/s@.*@Compress=yes@g;/SyncIntervalSec=/s@.*@SyncIntervalSec=5m@g;/RateLimitInterval=/s@.*@RateLimitInterval=30s@g;/RateLimitBurst=/s@.*@RateLimitBurst=1000@g;/SystemMaxUse=/s@.*@SystemMaxUse=10G@g;/SystemMaxFileSize=/s@.*@SystemMaxFileSize=200M@g;/MaxRetentionSec=/s@.*@MaxRetentionSec=2week@g;/ForwardToSyslog=/s@.*@ForwardToSyslog=no@g' /etc/systemd/journald.conf
chattr +i /etc/resolv.conf;
tags: init
- name: 2. sync repo files
copy: src=template/{{item}} dest=/etc/yum.repos.d/
with_items:
- kubernetes.repo
- docker-ce.repo
- elrepo.repo
- Centos7-aliyun.repo
tags: init
- name: 3. install linux base software
shell: |
yum install -y --enablerepo=elrepo-kernel epel-release tree ntpdate telnet bc nc socat net-tools nfs-utils rpcbind wget lsof rsync bash-completion irqbalance iptables-services ipset ipvsadm jq bind-utils python-setuptools yum-utils kernel-ml docker systemd device-mapper-persistent-data lvm2 conntrack iptables curl sysstat libseccomp vim
tags: init
- name: 3. install docker package
shell: |
yum install -y docker systemd device-mapper-persistent-data lvm2 conntrack libseccomp
tags: docker
- name: 3. install etcd
yum: name={{item}} state=installed
with_items:
- etcd
tags: etcd
- name: 3. install flannel
yum: name={{item}} state=installed
with_items:
- flannel
tags: flannel
- name: 3. install etcd,flannel,kubernetes
yum: name={{item}} state=installed
with_items:
- etcd
- flannel
- kubernetes
tags: k8s
- name: 3. install kubeadm toolkit
yum: name={{item}} state=installed enablerepo=kubernetes
with_items:
- kubelet
- kubeadm
- kubectl
tags: kubeadm
- name: 3. install cni plugins latest
shell: |
CNI="/root/cni-plugins.tgz"
mkdir -p /etc/cni/net.d /opt/cni/bin /etc/kubernetes/ssl/ {{ Extra_dir }}/kubelet
[ -s $CNI ] || (wget -c {{CNI_Repo}} -O $CNI;tar xvf $CNI -C /opt/cni/bin/)
tags:
- k8s-bin
- kube-router
- name: 3. generate coredns config to replace kube-dns
shell: |
DIR="/root/coredns"
mkdir -p $DIR && cd $DIR && rm -rf $DIR/*
wget --no-check-certificate -c https://raw.githubusercontent.com/coredns/deployment/master/kubernetes/coredns.yaml.sed
wget --no-check-certificate -c https://raw.githubusercontent.com/coredns/deployment/master/kubernetes/deploy.sh
chmod +x deploy.sh
$DIR/deploy.sh -i {{ DNS_cluster_ip }} -d "{{ KUBE_Service_Domain }}" > $DIR/coredns.yaml
#kubectl apply -f coredns.yml
tags:
- k8s-bin
- kube-router
ignore_errors: yes
when:
K8S == "master" or K8S == "both"
- name: 4. template docker config
template: src=template/docker.j2 dest=/etc/sysconfig/docker
tags:
- init
- docker
- name: 4. template docker config
template: src=template/docker-daemon.json dest=/etc/docker/daemon.json
tags:
- init
- docker
- name: 4. template etcd config
template: src=template/etcd.conf.j2 dest=/etc/etcd/etcd.conf
tags:
- k8s
- etcd
ignore_errors: yes
when:
ETCD == "yes"
- name: 4. copy etcd service
copy: src=template/etcd.service dest=/usr/lib/systemd/system/etcd.service
tags:
- k8s
- etcd
ignore_errors: yes
when:
ETCD == "yes"
- name: 4. systemctl etcd setting
shell:
systemctl enable etcd;
systemctl daemon-reload;
tags:
- k8s
- etcd
ignore_errors: yes
when:
ETCD == "yes"
- name: 4. template flanneld config
template: src=template/flanneld.j2 dest=/etc/sysconfig/flanneld
tags:
- k8s
- flannel
- name: 4. template kube-apiserver config
template: src=template/kube-apiserver.j2 dest=/etc/kubernetes/apiserver
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. template kube-apiserver config
shell: |
awk '{gsub("-","");print $0",kubelet-bootstrap,10001,\"system:kubelet-bootstrap\""}' /proc/sys/kernel/random/uuid > /etc/kubernetes/token.kubeconfig
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. check kube-apiserver etcd config
shell: |
sed -r -i '/KUBE_ETCD_SERVERS=/s@(.*),"@\1"@g' /etc/kubernetes/apiserver
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. template kube-controller-manager config
template: src=template/kube-controller-manager.j2 dest=/etc/kubernetes/controller-manager
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. template kube-scheduler config
template: src=template/kube-scheduler.j2 dest=/etc/kubernetes/scheduler
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. template kube-scheduler yaml
template: src=template/kube-scheduler.yaml.j2 dest=/etc/kubernetes/kube-scheduler.yaml
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. template mkkubeconfig.sh
template: src=template/mkkubeconfig.sh.j2 dest=/etc/kubernetes/mkkubeconfig.sh mode=0755
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 4. template kube-config config
template: src=template/kube-config.j2 dest=/etc/kubernetes/config
tags:
- k8s
- k8s-bin
- kube-router
- name: 4. template kubelet config
template: src=template/kubelet.j2 dest=/etc/kubernetes/kubelet
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "slave" or K8S == "both"
- name: 4. template master apiconfig
template: src=template/master-apiconfig.yaml.j2 dest=/etc/kubernetes/master-apiconfig.yaml
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "slave" or K8S == "both"
- name: 4. config docker and kernel-ml setting
shell: |
cp -a /lib/systemd/system/docker.service /etc/systemd/system/docker.service
sed -r -i "s|ExecStart=/usr/bin/docker-current .*|ExecStart=/usr/bin/docker-current daemon --registry-mirror={{Docker_Mirror}} \\\\|g" /etc/systemd/system/docker.service
sed -r -i "/ExecStartPost=.*iptables -I FORWARD -s 0.0.0.0.*-j ACCEPT/d" /etc/systemd/system/docker.service
sed -r -i "/ExecStart=/i ExecStartPost=/usr/sbin/iptables -I FORWARD -s 0.0.0.0/0 -j ACCEPT" /etc/systemd/system/docker.service
sed -r -i "s/native.cgroupdriver=.*/native.cgroupdriver=systemd \\\\/g" /etc/systemd/system/docker.service
sed -r -i 's/biosdevname=0//g;s/net.ifnames=0//g' /etc/sysconfig/grub
sed -r -i 's/biosdevname=0//g;s/net.ifnames=0//g' /etc/default/grub
$(ip link|grep -iq "eth[0-9]\{1,3\}:.*up") && sed -r -i '/GRUB_CMDLINE_LINUX/s^(.*)="(.*)"$^\1="\2 biosdevname=0 net.ifnames=0"^g' /etc/sysconfig/grub
$(ip link|grep -iq "eth[0-9]\{1,3\}:.*up") && sed -r -i '/GRUB_CMDLINE_LINUX/s^(.*)="(.*)"$^\1="\2 biosdevname=0 net.ifnames=0"^g' /etc/default/grub
sed -r -i 's/overlay/overlay2/g' /etc/sysconfig/docker*
grep -iqw "overlay2" /etc/sysconfig/docker* && sed -r -i '/overlay2/d' /etc/docker/daemon.json
ln -snf /usr/libexec/docker/docker-runc-current /usr/local/bin/docker-runc
systemctl daemon-reload
systemctl enable docker
echo "options ip_vs conn_tab_bits=20" > /etc/modprobe.d/ipvs.conf
Version=`yum info kernel-ml|awk -F: '/Version/{print $2}'|sort -nr|head -1`
Menu=`sed -r -n "s/^menuentry '(.*)' --class.*/\1/p" /boot/grub2/grub.cfg|grep $Version`
grub2-set-default "$Menu"
grub2-mkconfig -o /boot/grub2/grub.cfg
tags:
- init
- docker
ignore_errors: yes
- name: 5. disable some service
service: name={{item}} state=stopped enabled=no
with_items:
- firewalld
- postfix
tags:
- init
ignore_errors: yes
- name: 5. copy cf-ssl pem
shell: K8S_SSL="/root/k8s-ssl.tgz"; [ -s $K8S_SSL ] || (wget -c {{K8S_SSL_Repo}} -O $K8S_SSL;tar xvf $K8S_SSL -C /)
tags:
- init
- etcd
ignore_errors: yes
- name: 5. enable etcd service
service: name=etcd state=restarted enabled=yes
tags:
- k8s
- k8s-bin
- etcd
ignore_errors: yes
when:
ETCD == "yes"
- name: 5. check etcd cluster config
shell: |
sed -r -i '/ETCD_INITIAL_CLUSTER=/s@(.*),"@\1"@g' /etc/etcd/etcd.conf
tags:
- etcd
ignore_errors: yes
when:
ETCD == "yes"
- name: 5. check flanneld network
shell: etcdctl --ca-file /etc/kubernetes/ssl/ca.pem --endpoints "{{TLS_ETCD}}://127.0.0.1:2379" get /upyun.com/network/config
register: etcd_result
tags:
- k8s
- k8s-bin
- flannel
ignore_errors: yes
when:
(K8S == "master" or K8S == "both") and ETCD == "yes"
- name: 5. set flanneld network
shell: etcdctl --ca-file /etc/kubernetes/ssl/ca.pem --endpoints "{{TLS_ETCD}}://127.0.0.1:2379" mk /upyun.com/network/config '{"Network":"{{Cluster_cidr}}"}'
tags:
- k8s
- k8s-bin
- flannel
ignore_errors: yes
when:
(K8S == "master" or K8S == "both") and ETCD == "yes"
- name: 5. enable service
service: name={{item}} state=restarted enabled=yes
tags:
- init
- docker
ignore_errors: yes
with_items:
- network
- irqbalance
- docker
- name: 5. enable flannel service
service: name={{item}} state=restarted enabled=yes
tags:
- k8s
- flannel
with_items:
- flanneld
ignore_errors: yes
- name: 5. enable service
service: name={{item}} state=restarted enabled=yes
tags:
- k8s
with_items:
- flanneld
- kube-apiserver
- kube-controller-manager
- kube-scheduler
ignore_errors: yes
when:
K8S == "master" or K8S == "both"
- name: 5. enable service
service: name={{item}} state=restarted enabled=yes
tags:
- k8s
with_items:
- flanneld
- kubelet
- kube-proxy
ignore_errors: yes
when:
K8S == "slave" or K8S == "both"
- name: 1. add user kube
shell: groupadd -f kube ; useradd -g kube -n -s /sbin/nologin -M -c "Kubernetes user" kube
tags:
- k8s-bin
- kube-router
ignore_errors: yes
- name: 1. stop service
service: name={{item}} state=stopped enabled=no
with_items:
- kube-apiserver
- kube-controller-manager
- kube-scheduler
- kubelet
ignore_errors: yes
tags:
- k8s-bin
- kube-router
- name: 2. copy kubernetes latest
shell: |
K8S_BIN="/root/k8s-bin.tgz"; [ -s $K8S_BIN ] || (wget -c {{K8S_BIN_Repo}} -O $K8S_BIN;tar xvf $K8S_BIN -C /);
ISTIO_BIN="/root/istio-bin.tgz"; [ -s $ISTIO_BIN ] || (wget -c {{ISTIO_Repo}} -O $ISTIO_BIN;tar xvf $ISTIO_BIN -C /);
tags:
- k8s-bin
ignore_errors: yes
- name: 2. sync service yaml files
#copy: src=service dest=/root/
synchronize:
src: service
dest: /root/
checksum: yes
archive: no
links: no
recursive: yes
delete: no
rsync_opts:
- "--exclude=*.j2"
tags:
- k8s-bin
- kube-router
ignore_errors: yes
when:
K8S == "master" or K8S == "both"
- name: 3. update apiserver config
shell: |
chmod -R 0755 /etc/kubernetes/ssl/
APICONF="/etc/kubernetes/apiserver"
sed -r -i '/KUBE_API_ARGS=/s@^@#@g' $APICONF
sed -r -i '/tls-cert-file/s@^#*@@g' $APICONF
CONTRLCONF="/etc/kubernetes/controller-manager"
sed -r -i '/KUBE_CONTROLLER_MANAGER_ARGS=/s@^@#@g' $CONTRLCONF
sed -r -i '/service-account-private-key-file/s@^#*@@g' $CONTRLCONF
tags:
- k8s-bin
- kube-router
ignore_errors: yes
when:
K8S == "master" or K8S == "both"
- name: 3. update kubelet config
shell: |
CONF="/etc/kubernetes/kubelet"
sed -r -i -e '/api-servers/s@^@#@g' -e '/master-apiconfig/s@^#*@@g' -e '/KUBELET_ARGS/s@^@#@g' -e '/bootstrap-kubeconfig/s@^#*@@g' -e '/fail-swap-on/s@^#*@@g' $CONF
sed -r -i "/WorkingDirectory=/s^.*^WorkingDirectory={{ Extra_dir}}/kubelet^g" -e "/After=/s^.*^After={{ KUBE_CRI }}.service^g" -e "/Requires=/s^.*^Requires={{ KUBE_CRI }}.service^g" /usr/lib/systemd/system/kubelet.service
systemctl daemon-reload
systemctl enable kubelet
tags:
- k8s-bin
when:
K8S == "slave" or K8S == "both"
- name: 3. update kubelet config
shell: |
CONF="/etc/kubernetes/kubelet"
sed -r -i -e '/api-servers/s@^@#@g' -e '/master-apiconfig/s@^#*@@g' -e '/KUBELET_ARGS/s@^@#@g' $CONF
sed -r -i '/fail-swap-on/s@(.*)"$@\1 --network-plugin=cni --cni-conf-dir=/etc/cni/net.d/ --cni-bin-dir=/opt/cni/bin"@g' $CONF
sed -r -i '/fail-swap-on/s@^#*@@g' $CONF
sed -r -i "/WorkingDirectory=/s^.*^WorkingDirectory={{ Extra_dir}}/kubelet^g" /usr/lib/systemd/system/kubelet.service
systemctl daemon-reload
systemctl enable kubelet
tags:
- kube-router
when:
K8S == "slave" or K8S == "both"
- name: 4. template kube-router config
template: src=service/generic-kuberouter-all-features.yaml.j2 dest=/root/service/generic-kuberouter-all-features.yaml
tags:
- k8s
- k8s-bin
- kube-router
when:
K8S == "master" or K8S == "both"
- name: 5. start node service
service: name={{item}} state=started enabled=yes
tags:
- k8s-bin
- kube-router
with_items:
- kubelet
- kube-proxy
- flanneld
ignore_errors: yes
when:
K8S == "slave" or K8S == "both"
- name: 5. stop node service
service: name={{item}} state=stopped enabled=no
tags:
- kube-router
with_items:
- kube-proxy
- flanneld
ignore_errors: yes
- name: 6. start master service
service: name={{item}} state=started enabled=yes
tags:
- k8s-bin
- kube-router
with_items:
- kube-apiserver
- kube-controller-manager
- kube-scheduler
ignore_errors: yes
when:
K8S == "master" or K8S == "both"
- name: 7. kubectl clusterrolebinding
shell: |
/etc/kubernetes/mkkubeconfig.sh rbac_admin
tags:
- k8s-bin
- kube-router
ignore_errors: yes
when:
K8S == "master" or K8S == "both"
- name: 8. clean kubernetes
shell: |
for i in etcd kube-apiserver kube-controller-manager kube-proxy kube-scheduler kubelet;do systemctl disable $i; systemctl stop $i;done
rm -rf /root/*.tgz /usr/bin/kube* /etc/kubernetes/* /opt/cni /var/run/kubernetes /etc/etcd/* /var/lib/etcd/* /var/lib/kube* /etc/cni/net.d/*
tags:
- clean
ignore_errors: yes
- name: 9. reboot all server
shell: reboot
tags: reboot
ignore_errors: yes