Host Connection Parameters
Parameter |
Mandatory |
Description |
---|---|---|
Data Connection Type |
Yes |
Host Connection is selected by default and cannot be changed. |
Name |
Yes |
Name of the data connection to create. Data connection names can contain a maximum of 100 characters. They can contain only letters, digits, underscores (_), and hyphens (-). |
Tag |
No |
Attribute of the data connection to create. Tags make management easier.
NOTE:
The tag name can contain only letters, digits, and underscores (_) and cannot start with an underscore (_) or contain more than 100 characters. |
Applicable Modules |
Yes |
Select the modules for which this connection is available. |
Basic and Network Connectivity Configuration |
||
Host Address |
Yes |
IP address of the Linux host For details, see Viewing Details About an ECS. |
Agent |
Yes |
CDM cluster used as an agent.
NOTE:
|
Port |
Yes |
SSH port number of the host. By default, port 22 is used to log in to a Linux host. If the port number has been changed, you can obtain the new port number from the port field in the /etc/ssh/sshd_config file. |
KMS Key |
Yes |
KMS key used to encrypt and decrypt data source authentication information. Select a default or custom key.
NOTE:
When you use KMS for encryption through DataArts Studio or KPS for the first time, the default key dlf/default or kps/default is automatically generated. For more information about default keys, see What Is a Default Master Key?. |
Data Source Authentication and Other Function Configuration |
||
Username |
Yes |
Username for logging in to the host |
Login Mode |
Yes |
Mode for logging in to the host
|
Key Pair |
Yes |
This parameter is available only when Login Mode is set to Key Pair. If Key Pair is the login mode of the host, you need to obtain the private key file, upload it to OBS, and select an OBS path.
NOTE:
The uploaded private key must match the public key configured on the host. For details, see Application Scenarios for Using Key Pairs. |
Key Pair Password |
Yes |
If no password is set for the key pair, you do not need to set this parameter. |
Password |
Yes |
This parameter is available only when Login Mode is set to Password. If the login mode of the host is to use a password, enter a login password. |
Host Connection Description |
No |
Descriptive information about the host connection |
- The maximum number of shell or Python scripts that can run concurrently on the ECS is determined by the value of MaxSessions in the /etc/ssh/sshd_config file on the ECS. Set MaxSessions based on the scheduling frequency of shell or Python scripts.
- You have the permission to create and execute files in the /tmp directory on the host.
- Shell and Python scripts are executed in the /tmp directory on an ECS. Ensure that the disk space of the /tmp directory is not used up.
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