Automated listing IPMI, CVM and Hypervisor IPs in CLI

Anecdote by @Kiran Surya

Nutanix users and administrator are often required to access the CVMs, Hypervisors and IPMIs through their IP addresses. The most commonly used method to look at the IP addresses of these three entities is through Prism Element, and going through the Hardware tabs. However, looking through the GUI can be time consuming since you are required to click on every Host to view the IP address details of all three components. It’s all the more cumbersome if you have a huge infrastructure, like say 24 Hosts. It would be ideal if there is an easier process to list all these pieces of vital information.

I happen to use the following combination of characters to list all these three pieces of data, and needless to say the customers are delighted when they see me run this command:

nutanix@NTNX-7B43JB2-A-CVM:10.171.154.127:~$

nutanix@NTNX-7B43JB2-A-CVM:10.171.154.127:~$ echo; set `ncli host list | grep Address | sed 's/^.*: //'`;echo -e " IPMI\t CVM\t\tHypervisor";echo -e " ---- --- ----------";c=0;for f in $@;do echo -ne "$f\t";((c = c + 1));if [ $((c%3)) -eq 0 ];then echo;fi;done; echo; echo

IPMI CVM Hypervisor

---- --- ----------

10.171.154.113 10.171.154.112 10.171.154.111

10.171.154.116 10.171.154.115 10.171.154.114

10.171.154.119 10.171.154.118 10.171.154.117

10.171.154.122 10.171.154.121 10.171.154.120

10.171.154.125 10.171.154.124 10.171.154.123

10.171.154.128 10.171.154.127 10.171.154.126

10.171.154.131 10.171.154.130 10.171.154.129

10.171.154.134 10.171.154.133 10.171.154.132

10.171.154.137 10.171.154.136 10.171.154.135

10.171.154.140 10.171.154.139 10.171.154.138

10.171.154.143 10.171.154.142 10.171.154.141

10.171.154.146 10.171.154.145 10.171.154.144

10.171.154.149 10.171.154.148 10.171.154.147

10.171.154.152 10.171.154.151 10.171.154.150

10.171.154.155 10.171.154.154 10.171.154.153

10.171.154.158 10.171.154.157 10.171.154.156

10.171.154.161 10.171.154.160 10.171.154.159

10.171.154.164 10.171.154.163 10.171.154.162

10.171.154.167 10.171.154.166 10.171.154.165

10.171.154.170 10.171.154.169 10.171.154.168

nutanix@NTNX-7B43JB2-A-CVM:10.171.154.127:~$

The above command essentially parses through the often used $ncli host list command output, handpicks the IP addresses from each Host and lists them as shown above. This comes in especially handy when a customer is working with a Nutanix Technical Support engineer and they are trying to figure out the individual pieces of a Host while doing a hardware replacement like DIMM, or if they are trying to submit a report to the upper Management on the resources being used.

Hope you get this command the next time you work at the CLI on your Nutanix cluster infrastructure.

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