GoVcenterRESTcli

Test enviroment: 
go version go1.17.2 darwin/amd64
VsphereVcenter Version:	7.0.3 ,Build:	19234570

Simple go client for using vcenter rest api.

Sample user/pass json file

cat ~/.vmwarepass.json
{
"host":"host1.virtualdc.local",
"username":"staff@virtualdc.com",
"secret":"wli#Lol-2Gbv#"
}

First clone the repo and run build

cd into /path/to/repo
go build

#Usage -help :

./vcenterapi -h   //display help
2022/03/01 14:05:36 Connection successful vsph.virtualdc.com:443
Usage of ./vcenterapi:
-list
Lists available virtual machines
-start
start vm700 vm701 #starts vms with vmid vm700 vm701
-stop
stop vm10 vm31 #stops vms with vmid vm10 vm31

List vm's & get the vmid eg.

Output order - vmid , vmName,PoweredState , Memory(MB) , Num of cpu

./vcenterapi -list | grep "192.45.9.19" 

vm-236,Normal_Windows_192.45.9.191,POWERED_OFF,mem:32768,cpu:16

vm-138,Normal_Windows_192.45.9.192,POWERED_OFF,POWERED_OFF,mem:32168,cpu:18

vm-182,Normal_Windows_192.45.9.193,POWERED_OFF,POWERED_ON,mem:4096,cpu:8

---

Start vm's

./vcenterapi -start vm-24949 vm-51499 vm-51500 vm-51501 vm-51502 vm-51503 vm-5646 vm-69521
2022/03/01 20:42:36 Connection was successful :vsph.virtualdc.com:443
2022/03/01 20:42:36 [vm-24949 vm-51499 vm-51500 vm-51501 vm-51502 vm-51503 vm-5646 vm-69521]
2022/03/01 20:42:39 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:39 Machine/s started successfully.
2022/03/01 20:42:39 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:39 Machine/s started successfully.
2022/03/01 20:42:39 &{0x1120700 {0xc000240f20} 0x11d0ee0} 400
2022/03/01 20:42:39 Problem starting vm-5646, already in poweredOn state.
2022/03/01 20:42:40 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:40 Machine/s started successfully.
2022/03/01 20:42:40 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:40 Machine/s started successfully.
2022/03/01 20:42:40 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:40 Machine/s started successfully.
2022/03/01 20:42:40 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:40 Machine/s started successfully.
2022/03/01 20:42:40 &{0x1120700 {0xc000114ab0} 0x11d0ee0} 204
2022/03/01 20:42:40 Machine/s started successfully.

---

Shutting down one or more vm's

./vcenterapi -stop vm-51502 vm-5646 vm-69521
2022/03/01 01:34:45 [vm-51502 vm-5646 vm-69521]
2022/03/01 01:34:47 &{0x1120700 {0xc000100ab0} 0x11d0e00} 204
2022/03/01 01:34:47 &{0x1120700 {0xc000100ab0} 0x11d0e00} 204
2022/03/01 01:34:47 Machine/s stopped successfully.
2022/03/01 01:34:47 Machine/s stopped successfully.
2022/03/01 01:34:47 &{0x1120700 {0xc000100ab0} 0x11d0e00} 204
2022/03/01 01:34:47 Machine/s stopped successfully.

if machines are already powered off the o/p is likely to be eg.:

2022/03/01 01:36:46 &{0x1120700 {0xc0001f6c60} 0x11d0e00} 400
2022/03/01 01:36:46 Problem stopping vm-5646, already in off state.

Terms and its meaning

* ESXi is a product which provides virtualization.

* Vsphere is the name givne to the bundle of all features in the new version (ESXi, vcenter and its features so on).So ESXi is one of the product in vsphere.