A Message Indicating an Operation Failure Is Displayed During Action Run Shell Commands Deployment

Symptoms

During action deployment, an error message is displayed, indicating that the operation fails.

Cause Analysis

Some commands entered in the text box are intercepted by cloud firewalls. As a result, the deployment fails. The following figure uses the shell command as an example.

1
2
3
4
5
6

cat /etc/hosts
cat /etc/passwd
cat /etc/shadow
cat /etc/fstab
mount -l || echo hello world 
...

Solution

Solution 1: Parameterization

1. Add the parameter Path and set its value to /etc/hosts.
2. Reference the parameter Path in the Shell Commands text box.

   cat ${Path}
   cat /etc/passwd
   cat /etc/shadow
   cat /etc/fstab
   mount -l || echo hello world 
   ……