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Rancher and k8s 2019(3)Clean Installation on CentOS7
Set Up 3 machines
192.168.56.110 rancher-home
192.168.56.111 rancher-worker1
192.168.56.112 rancher-worker2
Set Up rancher-home
The network config
Go to the network setting directory
> cd /etc/sysconfig/network-scripts/
Open the configuration file, change the last line as follow:
> sudo vi ifcfg-enp0s3
ONBOOT=yes
Enable the second network adapter on VirtualBox, copy and set the configuration file for the second network
> sudo cp ifcfg-enp0s3 ifcfg-enp0s8
> cat ifcfg-enp0s8
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.56.110
NETMASK=255.255.255.0
DEFROUTE=yes
Update the latest software
> sudo yum update
Disable firewall
> sudo systemctl stop firewalld.service
> sudo systemctl disable firewalld.service
Install Docker
> sudo yum install -y yum-utils device-mapper-persistent-data lvm2
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Then the install command will work
> sudo yum install docker-ce
> sudo usermod -aG docker $(whoami)
> sudo systemctl enable docker.service
> sudo systemctl start docker.service
Start the Rancker from Docker Image
> mkdir -p ~/tool/rancher-docker
> sudo ln -s /home/carl/tool/rancher-docker /opt/rancher-docker
> sudo ln -s /opt/rancher-docker /opt/rancher
Go to the working directory
> cd /opt/rancher
> mkdir /opt/rancher/rancher_home
Prepare a Makefile there
> cat Makefile
PORT=9090
SSL_PORT=9091
IMAGE=rancher/rancher
TAG=stable
NAME=rancher-$(PORT)
run:
docker run \
-d \
--restart=unless-stopped \
-p $(PORT):80 \
-p $(SSL_PORT):443 \
-v $(shell pwd)/rancher_home:/var/lib/rancher/ \
--name $(NAME) \
$(IMAGE):$(TAG)
clean:
docker stop ${NAME}
docker rm ${NAME}
Start Rancher on the first server
> make run PORT=80 SSL_PORT=443
Visit the URL
https://192.168.56.110/g/clusters
It will ask us to update the password. Then we can create a customer cluster via k8s.
For the home machine, do not use it as worker
> sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.2.8 --server https://192.168.56.110 --token 5x6452wfj86kpmxkzwxhjt7mpsbx5hxx7p66jqnpvdqk469mrxh4v7 --ca-checksum 326354803f20bff6574e64d735e854fe73e8d7fd5e9ff6a13d8252fbf5deeefa --node-name rancher-home --address 192.168.56.110 --internal-address 192.168.56.110 --etcd --controlplane
Set Up rancher-worker1
The network config
Go to the network setting directory
> cd /etc/sysconfig/network-scripts/
Open the configuration file, change the last line as follow:
> sudo vi ifcfg-enp0s3
ONBOOT=yes
Enable the second network adapter on VirtualBox, copy and set the configuration file for the second network
> sudo cp ifcfg-enp0s3 ifcfg-enp0s8
> cat ifcfg-enp0s8
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.56.111
NETMASK=255.255.255.0
DEFROUTE=yes
Update the latest software
> sudo yum update
Disable firewall
> sudo systemctl stop firewalld.service
> sudo systemctl disable firewalld.service
Install Docker
> sudo yum install -y yum-utils device-mapper-persistent-data lvm2
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Then the install command will work
> sudo yum install docker-ce
> sudo usermod -aG docker $(whoami)
> sudo systemctl enable docker.service
> sudo systemctl start docker.service
On the rancher-worker1
> sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.2.8 --server https://192.168.56.110 --token 5x6452wfj86kpmxkzwxhjt7mpsbx5hxx7p66jqnpvdqk469mrxh4v7 --ca-checksum 326354803f20bff6574e64d735e854fe73e8d7fd5e9ff6a13d8252fbf5deeefa --node-name rancher-worker1 --address 192.168.56.111 --internal-address 192.168.56.111 --worker
If I need, here is the command to kill all the containers at one
> docker kill $(docker ps -q)
Remove all the unused containers and images
> docker system prune
After I start the cluster, I can add a nginx web server there
Visit the worker page, it works pretty well.
http://rancher-worker1:31489/
After everything is working fine, we can do the similar step to set up rancher-worker2 to join the cluster as worker.
Set Up rancher-worker2
The network config
Go to the network setting directory
> cd /etc/sysconfig/network-scripts/
Open the configuration file, change the last line as follow:
> sudo vi ifcfg-enp0s3
ONBOOT=yes
Enable the second network adapter on VirtualBox, copy and set the configuration file for the second network
> sudo cp ifcfg-enp0s3 ifcfg-enp0s8
> cat ifcfg-enp0s8
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.56.111
NETMASK=255.255.255.0
DEFROUTE=yes
Update the latest software
> sudo yum update
Disable firewall
> sudo systemctl stop firewalld.service
> sudo systemctl disable firewalld.service
Install Docker
> sudo yum install -y yum-utils device-mapper-persistent-data lvm2
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Then the install command will work
> sudo yum install docker-ce
> sudo usermod -aG docker $(whoami)
> sudo systemctl enable docker.service
> sudo systemctl start docker.service
On the rancher-worker1
> sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.2.8 --server https://192.168.56.110 --token 5x6452wfj86kpmxkzwxhjt7mpsbx5hxx7p66jqnpvdqk469mrxh4v7 --ca-checksum 326354803f20bff6574e64d735e854fe73e8d7fd5e9ff6a13d8252fbf5deeefa --node-name rancher-worker2 --address 192.168.56.112 --internal-address 192.168.56.112 --worker
References:
https://gist.github.com/evanscottgray/8571828
Set Up 3 machines
192.168.56.110 rancher-home
192.168.56.111 rancher-worker1
192.168.56.112 rancher-worker2
Set Up rancher-home
The network config
Go to the network setting directory
> cd /etc/sysconfig/network-scripts/
Open the configuration file, change the last line as follow:
> sudo vi ifcfg-enp0s3
ONBOOT=yes
Enable the second network adapter on VirtualBox, copy and set the configuration file for the second network
> sudo cp ifcfg-enp0s3 ifcfg-enp0s8
> cat ifcfg-enp0s8
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.56.110
NETMASK=255.255.255.0
DEFROUTE=yes
Update the latest software
> sudo yum update
Disable firewall
> sudo systemctl stop firewalld.service
> sudo systemctl disable firewalld.service
Install Docker
> sudo yum install -y yum-utils device-mapper-persistent-data lvm2
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Then the install command will work
> sudo yum install docker-ce
> sudo usermod -aG docker $(whoami)
> sudo systemctl enable docker.service
> sudo systemctl start docker.service
Start the Rancker from Docker Image
> mkdir -p ~/tool/rancher-docker
> sudo ln -s /home/carl/tool/rancher-docker /opt/rancher-docker
> sudo ln -s /opt/rancher-docker /opt/rancher
Go to the working directory
> cd /opt/rancher
> mkdir /opt/rancher/rancher_home
Prepare a Makefile there
> cat Makefile
PORT=9090
SSL_PORT=9091
IMAGE=rancher/rancher
TAG=stable
NAME=rancher-$(PORT)
run:
docker run \
-d \
--restart=unless-stopped \
-p $(PORT):80 \
-p $(SSL_PORT):443 \
-v $(shell pwd)/rancher_home:/var/lib/rancher/ \
--name $(NAME) \
$(IMAGE):$(TAG)
clean:
docker stop ${NAME}
docker rm ${NAME}
Start Rancher on the first server
> make run PORT=80 SSL_PORT=443
Visit the URL
https://192.168.56.110/g/clusters
It will ask us to update the password. Then we can create a customer cluster via k8s.
For the home machine, do not use it as worker
> sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.2.8 --server https://192.168.56.110 --token 5x6452wfj86kpmxkzwxhjt7mpsbx5hxx7p66jqnpvdqk469mrxh4v7 --ca-checksum 326354803f20bff6574e64d735e854fe73e8d7fd5e9ff6a13d8252fbf5deeefa --node-name rancher-home --address 192.168.56.110 --internal-address 192.168.56.110 --etcd --controlplane
Set Up rancher-worker1
The network config
Go to the network setting directory
> cd /etc/sysconfig/network-scripts/
Open the configuration file, change the last line as follow:
> sudo vi ifcfg-enp0s3
ONBOOT=yes
Enable the second network adapter on VirtualBox, copy and set the configuration file for the second network
> sudo cp ifcfg-enp0s3 ifcfg-enp0s8
> cat ifcfg-enp0s8
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.56.111
NETMASK=255.255.255.0
DEFROUTE=yes
Update the latest software
> sudo yum update
Disable firewall
> sudo systemctl stop firewalld.service
> sudo systemctl disable firewalld.service
Install Docker
> sudo yum install -y yum-utils device-mapper-persistent-data lvm2
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Then the install command will work
> sudo yum install docker-ce
> sudo usermod -aG docker $(whoami)
> sudo systemctl enable docker.service
> sudo systemctl start docker.service
On the rancher-worker1
> sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.2.8 --server https://192.168.56.110 --token 5x6452wfj86kpmxkzwxhjt7mpsbx5hxx7p66jqnpvdqk469mrxh4v7 --ca-checksum 326354803f20bff6574e64d735e854fe73e8d7fd5e9ff6a13d8252fbf5deeefa --node-name rancher-worker1 --address 192.168.56.111 --internal-address 192.168.56.111 --worker
If I need, here is the command to kill all the containers at one
> docker kill $(docker ps -q)
Remove all the unused containers and images
> docker system prune
After I start the cluster, I can add a nginx web server there
Visit the worker page, it works pretty well.
http://rancher-worker1:31489/
After everything is working fine, we can do the similar step to set up rancher-worker2 to join the cluster as worker.
Set Up rancher-worker2
The network config
Go to the network setting directory
> cd /etc/sysconfig/network-scripts/
Open the configuration file, change the last line as follow:
> sudo vi ifcfg-enp0s3
ONBOOT=yes
Enable the second network adapter on VirtualBox, copy and set the configuration file for the second network
> sudo cp ifcfg-enp0s3 ifcfg-enp0s8
> cat ifcfg-enp0s8
TYPE=Ethernet
PROXY_METHOD=none
BROWSER_ONLY=no
BOOTPROTO=static
IPADDR=192.168.56.111
NETMASK=255.255.255.0
DEFROUTE=yes
Update the latest software
> sudo yum update
Disable firewall
> sudo systemctl stop firewalld.service
> sudo systemctl disable firewalld.service
Install Docker
> sudo yum install -y yum-utils device-mapper-persistent-data lvm2
> sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
Then the install command will work
> sudo yum install docker-ce
> sudo usermod -aG docker $(whoami)
> sudo systemctl enable docker.service
> sudo systemctl start docker.service
On the rancher-worker1
> sudo docker run -d --privileged --restart=unless-stopped --net=host -v /etc/kubernetes:/etc/kubernetes -v /var/run:/var/run rancher/rancher-agent:v2.2.8 --server https://192.168.56.110 --token 5x6452wfj86kpmxkzwxhjt7mpsbx5hxx7p66jqnpvdqk469mrxh4v7 --ca-checksum 326354803f20bff6574e64d735e854fe73e8d7fd5e9ff6a13d8252fbf5deeefa --node-name rancher-worker2 --address 192.168.56.112 --internal-address 192.168.56.112 --worker
References:
https://gist.github.com/evanscottgray/8571828
发表评论
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Update Site will come soon
2021-06-02 04:10 1676I am still keep notes my tech n ... -
Stop Update Here
2020-04-28 09:00 315I will stop update here, and mo ... -
NodeJS12 and Zlib
2020-04-01 07:44 474NodeJS12 and Zlib It works as ... -
Docker Swarm 2020(2)Docker Swarm and Portainer
2020-03-31 23:18 367Docker Swarm 2020(2)Docker Swar ... -
Docker Swarm 2020(1)Simply Install and Use Swarm
2020-03-31 07:58 367Docker Swarm 2020(1)Simply Inst ... -
Traefik 2020(1)Introduction and Installation
2020-03-29 13:52 335Traefik 2020(1)Introduction and ... -
Portainer 2020(4)Deploy Nginx and Others
2020-03-20 12:06 429Portainer 2020(4)Deploy Nginx a ... -
Private Registry 2020(1)No auth in registry Nginx AUTH for UI
2020-03-18 00:56 434Private Registry 2020(1)No auth ... -
Docker Compose 2020(1)Installation and Basic
2020-03-15 08:10 373Docker Compose 2020(1)Installat ... -
VPN Server 2020(2)Docker on CentOS in Ubuntu
2020-03-02 08:04 454VPN Server 2020(2)Docker on Cen ... -
Buffer in NodeJS 12 and NodeJS 8
2020-02-25 06:43 384Buffer in NodeJS 12 and NodeJS ... -
NodeJS ENV Similar to JENV and PyENV
2020-02-25 05:14 475NodeJS ENV Similar to JENV and ... -
Prometheus HA 2020(3)AlertManager Cluster
2020-02-24 01:47 421Prometheus HA 2020(3)AlertManag ... -
Serverless with NodeJS and TencentCloud 2020(5)CRON and Settings
2020-02-24 01:46 336Serverless with NodeJS and Tenc ... -
GraphQL 2019(3)Connect to MySQL
2020-02-24 01:48 246GraphQL 2019(3)Connect to MySQL ... -
GraphQL 2019(2)GraphQL and Deploy to Tencent Cloud
2020-02-24 01:48 450GraphQL 2019(2)GraphQL and Depl ... -
GraphQL 2019(1)Apollo Basic
2020-02-19 01:36 325GraphQL 2019(1)Apollo Basic Cl ... -
Serverless with NodeJS and TencentCloud 2020(4)Multiple Handlers and Running wit
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