how to run a bash script in gcp vm using terraform - google-cloud-platform

Question

hay folks ,
I want to run a script in gcp machine for that i created a resource below file
disk = google_compute_disk.default2.id
instance = google_compute_instance.default.id
} # aatach disk to vm
resource "google_compute_firewall" "firewall" {
name = "gritfy-firewall-externalssh"
network = "default"
allow {
protocol = "tcp"
ports = ["22"]
}
source_ranges = ["0.0.0.0/0"]
target_tags = ["externalssh"]
} # allow ssh
resource "google_compute_address" "static" {
name = "vm-public-address"
project = "fit-visitor-305606"
region = "asia-south1"
depends_on = [ google_compute_firewall.firewall ]
} # reserve ip
resource "google_compute_instance" "default" {
name = "new"
machine_type = "custom-8-16384"
zone = "asia-south1-a"
tags = ["foo", "bar"]
boot_disk {
initialize_params {
image = "centos-cloud/centos-7"
}
}
network_interface {
network = "default"
access_config {
nat_ip = google_compute_address.static.address
}
}
metadata = {
ssh-keys = "${var.user}:${file(var.publickeypath)}"
}
lifecycle {
ignore_changes = [attached_disk]
}
provisioner "file" {
source = "autoo.sh"
destination = "/tmp/autoo.sh"
}
provisioner "remote-exec" {
connection {
host = google_compute_address.static.address
type = "ssh"
user = var.user
timeout = "500s"
private_key = file(var.privatekeypath)
}
inline = [
"sudo yum -y install epel-release",
"sudo yum -y install nginx",
"sudo nginx -v",
]
}
} # Create VM
resource "google_compute_disk" "default2" {
name = "test-disk"
type = "pd-balanced"
zone = "asia-south1-a"
image = "centos-7-v20210609"
size = 100
} # Create Disk
using this I am able to create VM and disk and also able to attach vm to disk but not able to run my script
error log are =
and private key part is working fine the key is assign to VM and I try to connect with that key it is connected may the problem with the provision part only
any help or guidance would be really helpful...

Answer 1

Like error message says, you need connection configuration for provisioner. Also you need remote-exec provisoner for running scripts.
provisioner "file" {
source = "autoo.sh"
destination = "/tmp/autoo.sh"
connection {
type = "ssh"
user = var.user
private_key = file(var.privatekeypath)
}
}
provisioner "remote-exec" {
inline = [
"chmod +x /tmp/autoo.sh",
"cd /tmp",
"./autoo.sh"
]
connection {
type = "ssh"
user = var.user
private_key = file(var.privatekeypath)
}
source: https://stackoverflow.com/a/36668395/5454632