Create hosts with SSH hostprovider

Daria Barysheva
IMPORTANT

  • To add hosts based on the SSH hostprovider, ensure that the following requirements are met:

    • The SSH hostprovider is installed and configured via ADCM.

    • Hosts with the ability to connect via the SSH protocol are created in a cloud or on-premises. Notice that this operation is performed manually and is not supported by the current hostprovider.

  • This guide explains how to add a single host. To add several hosts simultaneously, run the hostprovider action Create hosts.

The steps for adding a single host are listed below:

  1. Select the Hosts item in the left navigation menu and click Create host.

    Add a host via ADCM
    Add a host via ADCM

  2. In the opened dialog:

    • Select a hostprovider in the Hostprovider field. Notice that hostproviders are displayed with the names that you have assigned to them.

    • Enter a host name in the Name field. Some products (e.g., ADH) require a fully qualified domain name (FQDN).

    • Click Create.

    Describe a new host
    Describe a new host

  3. Return to the Hosts page and switch to configuring the added host. To do this, click the host name in the Name column.

    Go to configuring a host
    Go to configuring a host

  4. In the opened window, select the Primary Configuration tab, switch on the Show advanced toggle, fill in parameters, and click Save.

    Configure a host
    Configure a host

    The assignment of parameters is listed in the table below.

    Host configuration parameters
    Parameter Description

    Username

    A user name that is used for connecting to a host via SSH. The specified user should exist on the host

    Password

    A user password that is used for connecting to a host via SSH. If you do not use a password, leave this field blank

    SSH private key

    A private SSH key that is used for connecting to a host via SSH. If you do not use SSH keys, leave this field blank

    Connection address (Hostname in previous hostprovider versions)

    An IP address of the host

    Port

    A port number that is used for connecting to a host via SSH (by default, 22)

    SSH args

    SSH arguments for Ansible. Each parameter requires the following format: -o <name>=<value>. Several parameters are separated by space: -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null.

    Thus, StrictHostKeyChecking=no and UserKnownHostsFile=/dev/null parameters disable strict host key checking for SSH. Otherwise, when this checking is enabled, the SSH client connects only to the known hosts that are stored in the known hosts list.

    Can be left at the default value

    Ansible become

    A flag that grants the superuser privileges to the user specified in the Username field. The default value should be used (flag is set)

    Ansible become password

    A password that is used during granting of the superuser privileges to the user specified in the Username field. Can be left at the default value

As a result of the performed actions, the new host and its actions become available on the Hosts page. To finish the configuration process, run the Check connection and Install statuschecker actions sequentially.

New host on the Hosts page
New host on the Hosts page
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