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offline-ansible-deployment.md

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title Offline Deployment Using Ansible
category operations

Offline Deployment Using Ansible

Prepare

Before you start, make sure that you have:

  1. A download machine

    • The machine must have access to the Internet in order to download TiDB-Ansible, TiDB and related packages.
    • For Linux operating system, it is recommended to install CentOS 7.3 or later.

  2. Several target machines and one Control Machine

    • For system requirements and configuration, see Prepare the environment.
    • It is acceptable without access to the Internet.

Install Ansible and dependencies in the Control Machine

  1. Install Ansible offline on the CentOS 7 system:

    Download the Ansible offline installation package to the Control Machine.

    # tar -xzvf ansible-2.4-rpms.el7.tar.gz

# cd ansible-2.4-rpms.el7

# rpm -ivh PyYAML*rpm libyaml*rpm python-babel*rpm python-backports*rpm python-backports-ssl_match_hostname*rpm python-cffi*rpm python-enum34*rpm python-httplib2*rpm python-idna*rpm python-ipaddress*rpm python-jinja2*rpm python-markupsafe*rpm python-paramiko*rpm python-passlib*rpm python-ply*rpm python-pycparser*rpm python-setuptools*rpm python-six*rpm python2-cryptography*rpm python2-jmespath*rpm python2-pyasn1*rpm sshpass*rpm

# rpm -ivh ansible-2.4.2.0-2.el7.noarch.rpm

  2. After Ansible is installed, you can view the version using ansible --version.

    # ansible --version
 ansible 2.4.2.0

Download TiDB-Ansible and TiDB packages on the download machine

  1. Install Ansible on the download machine.

    Use the following method to install Ansible online on the download machine installed with the CentOS 7 system. Installing using the EPEL source automatically installs the related Ansible dependencies (such as Jinja2==2.7.2 MarkupSafe==0.11). After Ansible is installed, you can view the version using ansible --version.

    # yum install epel-release
# yum install ansible curl
# ansible --version

 ansible 2.4.2.0

    Note: Make sure that the version of Ansible is 2.4 or later, otherwise compatibility problem might occur.

  2. Download TiDB-Ansible.

    Use the following command to download the corresponding version of TiDB-Ansible from the GitHub TiDB-Ansible project. The default folder name is tidb-ansible.

    Download the 1.0 (GA) version:

    git clone -b release-1.0 https://github.com/pingcap/tidb-ansible.git

    OR

    Download the master version:

    git clone https://github.com/pingcap/tidb-ansible.git

    Note: For production environment, download TiDB-Ansible 1.0 to deploy TiDB.

  3. Run the local_prepare.yml playbook, and download TiDB binary online to the download machine.

    cd tidb-ansible
ansible-playbook local_prepare.yml

  4. After running the above command, copy the tidb-ansible folder to the /home/tidb directory of the Control Machine. The ownership authority of the file must be the tidb user.

Orchestrate the TiDB cluster

See Orchestrate the TiDB cluster.

Deploy the TiDB cluster

  1. See Deploy the TiDB cluster.
  2. You do not need to run the ansible-playbook local_prepare.yml playbook again.

Test the cluster

See Test the cluster.