diff --git a/examples/vpc/kubernetes_cluster/main.tf b/examples/vpc/kubernetes_cluster/main.tf
index 0ae3c01..d49b1a4 100644
--- a/examples/vpc/kubernetes_cluster/main.tf
+++ b/examples/vpc/kubernetes_cluster/main.tf
@@ -26,15 +26,15 @@ module "kubernetes_cluster" {
   os_region        = "${var.os_region}"
 
   # Kubernetes cluster common parameters.
-  cluster_name                 = "${var.cluster_name}"
-  cluster_zone                 = "${var.cluster_zone}"
-  cluster_kube_version         = "${var.cluster_kube_version}"
-  cluster_ssh_key              = "${file("~/.ssh/id_rsa.pub")}"
-  cluster_ssh_key_user         = "${module.project_with_user.user_id}"
-  cluster_master_lb_enabled    = "${var.cluster_master_lb_enabled}"
-  cluster_master_floating_ip   = "${var.cluster_master_floating_ip}"
-  cluster_docker_volume_size   = "${var.cluster_docker_volume_size}"
-  cluster_etcd_volume_size     = "${var.cluster_etcd_volume_size}"
+  cluster_name               = "${var.cluster_name}"
+  cluster_zone               = "${var.cluster_zone}"
+  cluster_kube_version       = "${var.cluster_kube_version}"
+  cluster_ssh_key            = "${file("~/.ssh/id_rsa.pub")}"
+  cluster_ssh_key_user       = "${module.project_with_user.user_id}"
+  cluster_master_lb_enabled  = "${var.cluster_master_lb_enabled}"
+  cluster_master_floating_ip = "${var.cluster_master_floating_ip}"
+  cluster_docker_volume_size = "${var.cluster_docker_volume_size}"
+  cluster_etcd_volume_size   = "${var.cluster_etcd_volume_size}"
 
   # Kubernetes cluster masters parameters.
   cluster_master_count = "${var.cluster_master_count}"
@@ -45,4 +45,4 @@ module "kubernetes_cluster" {
   cluster_node_count = "${var.cluster_node_count}"
   cluster_node_vcpus = "${var.cluster_node_vcpus}"
   cluster_node_ram   = "${var.cluster_node_ram}"
-}
\ No newline at end of file
+}
diff --git a/examples/vpc/kubernetes_cluster/vars.tf b/examples/vpc/kubernetes_cluster/vars.tf
index bdcb9c8..c0c0526 100644
--- a/examples/vpc/kubernetes_cluster/vars.tf
+++ b/examples/vpc/kubernetes_cluster/vars.tf
@@ -74,4 +74,4 @@ variable "cluster_etcd_volume_size" {
 
 variable "cluster_master_floating_ip" {
   default = "True"
-}
\ No newline at end of file
+}
diff --git a/examples/vpc/server_local_and_remote_disks/main.tf b/examples/vpc/server_local_and_remote_disks/main.tf
index 0d66500..efcc9eb 100644
--- a/examples/vpc/server_local_and_remote_disks/main.tf
+++ b/examples/vpc/server_local_and_remote_disks/main.tf
@@ -1,6 +1,6 @@
 # Initialize Selectel provider with token.
 provider "selectel" {
-  token    = "${var.sel_token}"
+  token = "${var.sel_token}"
 }
 
 # Create the main project with user.
@@ -37,4 +37,4 @@ module "server_local_and_remote_disks" {
   server_image_name         = "${var.server_image_name}"
   server_ssh_key            = "${file("~/.ssh/id_rsa.pub")}"
   server_ssh_key_user       = "${module.project_with_user.user_id}"
-}
\ No newline at end of file
+}
diff --git a/examples/vpc/server_local_root_disk/main.tf b/examples/vpc/server_local_root_disk/main.tf
index 555a1ca..80ab482 100644
--- a/examples/vpc/server_local_root_disk/main.tf
+++ b/examples/vpc/server_local_root_disk/main.tf
@@ -1,6 +1,6 @@
 # Initialize Selectel provider with token.
 provider "selectel" {
-  token    = "${var.sel_token}"
+  token = "${var.sel_token}"
 }
 
 # Create the main project with user.
@@ -35,4 +35,4 @@ module "server_local_root_disk" {
   server_image_name   = "${var.server_image_name}"
   server_ssh_key      = "${file("~/.ssh/id_rsa.pub")}"
   server_ssh_key_user = "${module.project_with_user.user_id}"
-}
\ No newline at end of file
+}
diff --git a/examples/vpc/server_remote_root_disk/main.tf b/examples/vpc/server_remote_root_disk/main.tf
index 5cede01..eb9594e 100644
--- a/examples/vpc/server_remote_root_disk/main.tf
+++ b/examples/vpc/server_remote_root_disk/main.tf
@@ -35,4 +35,4 @@ module "server_remote_root_disk" {
   server_image_name   = "${var.server_image_name}"
   server_ssh_key      = "${file("~/.ssh/id_rsa.pub")}"
   server_ssh_key_user = "${module.project_with_user.user_id}"
-}
\ No newline at end of file
+}
diff --git a/examples/vpc/server_remote_root_disk/vars.tf b/examples/vpc/server_remote_root_disk/vars.tf
index 7a78c6e..9b8af9b 100644
--- a/examples/vpc/server_remote_root_disk/vars.tf
+++ b/examples/vpc/server_remote_root_disk/vars.tf
@@ -11,7 +11,7 @@ variable "user_name" {}
 variable "user_password" {}
 
 variable "keypair_name" {
-  default= "tf_keypair"
+  default = "tf_keypair"
 }
 
 variable "os_auth_url" {
diff --git a/examples/vpc/server_remote_root_disk_two_ports/main.tf b/examples/vpc/server_remote_root_disk_two_ports/main.tf
index 59c30ee..76ba3ad 100644
--- a/examples/vpc/server_remote_root_disk_two_ports/main.tf
+++ b/examples/vpc/server_remote_root_disk_two_ports/main.tf
@@ -35,4 +35,4 @@ module "server_remote_root_disk_two_ports" {
   server_image_name   = "${var.server_image_name}"
   server_ssh_key      = "${file("~/.ssh/id_rsa.pub")}"
   server_ssh_key_user = "${module.project_with_user.user_id}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/keypair/outputs.tf b/modules/vpc/keypair/outputs.tf
index 8988cf4..ceb3dd7 100644
--- a/modules/vpc/keypair/outputs.tf
+++ b/modules/vpc/keypair/outputs.tf
@@ -4,4 +4,4 @@ output "keypair_id" {
 
 output "keypair_name" {
   value = "${selectel_vpc_keypair_v2.keypair_1.name}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/kubernetes_cluster/main.tf b/modules/vpc/kubernetes_cluster/main.tf
index b2c1d8d..9c7ddcc 100644
--- a/modules/vpc/kubernetes_cluster/main.tf
+++ b/modules/vpc/kubernetes_cluster/main.tf
@@ -14,17 +14,17 @@ resource "random_string" "random_name" {
 }
 
 module "master_flavor" {
-  source               = "../flavor"
-  flavor_name          = "flavor-master-${random_string.random_name.result}"
-  flavor_vcpus         = "${var.cluster_master_vcpus}"
-  flavor_ram_mb        = "${var.cluster_master_ram}"
+  source        = "../flavor"
+  flavor_name   = "flavor-master-${random_string.random_name.result}"
+  flavor_vcpus  = "${var.cluster_master_vcpus}"
+  flavor_ram_mb = "${var.cluster_master_ram}"
 }
 
 module "flavor" {
-  source               = "../flavor"
-  flavor_name          = "flavor-${random_string.random_name.result}"
-  flavor_vcpus         = "${var.cluster_node_vcpus}"
-  flavor_ram_mb        = "${var.cluster_node_ram}"
+  source        = "../flavor"
+  flavor_name   = "flavor-${random_string.random_name.result}"
+  flavor_vcpus  = "${var.cluster_node_vcpus}"
+  flavor_ram_mb = "${var.cluster_node_ram}"
 }
 
 module "image_datasource" {
@@ -58,6 +58,7 @@ resource "openstack_containerinfra_clustertemplate_v1" "clustertemplate_1" {
   master_lb_enabled     = "${var.cluster_master_lb_enabled}"
   floating_ip_enabled   = false
   external_network_id   = "${data.openstack_networking_network_v2.external_net.id}"
+
   labels = {
     kube_tag                         = "${var.cluster_kube_version}"
     kube_dashboard_enabled           = "${var.cluster_kube_dashboard_enabled}"
diff --git a/modules/vpc/kubernetes_cluster/vars.tf b/modules/vpc/kubernetes_cluster/vars.tf
index 8e2c04c..92b385d 100644
--- a/modules/vpc/kubernetes_cluster/vars.tf
+++ b/modules/vpc/kubernetes_cluster/vars.tf
@@ -88,4 +88,4 @@ variable cluster_etcd_volume_size {
 
 variable cluster_master_floating_ip {
   default = "false"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/nat/main.tf b/modules/vpc/nat/main.tf
index fba8072..fe609ac 100644
--- a/modules/vpc/nat/main.tf
+++ b/modules/vpc/nat/main.tf
@@ -13,11 +13,11 @@ resource "openstack_networking_network_v2" "network_1" {
 
 resource "openstack_networking_subnet_v2" "subnet_1" {
   network_id = "${openstack_networking_network_v2.network_1.id}"
-  name = "${var.subnet_cidr}"
-  cidr = "${var.subnet_cidr}"
+  name       = "${var.subnet_cidr}"
+  cidr       = "${var.subnet_cidr}"
 }
 
 resource "openstack_networking_router_interface_v2" "router_interface_1" {
   router_id = "${openstack_networking_router_v2.router_1.id}"
   subnet_id = "${openstack_networking_subnet_v2.subnet_1.id}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/nat/outputs.tf b/modules/vpc/nat/outputs.tf
index 05dcfa4..b7ddd73 100644
--- a/modules/vpc/nat/outputs.tf
+++ b/modules/vpc/nat/outputs.tf
@@ -8,4 +8,4 @@ output "network_id" {
 
 output "subnet_id" {
   value = "${openstack_networking_subnet_v2.subnet_1.id}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/nat/vars.tf b/modules/vpc/nat/vars.tf
index b7a25fb..2680ad5 100644
--- a/modules/vpc/nat/vars.tf
+++ b/modules/vpc/nat/vars.tf
@@ -12,4 +12,4 @@ variable "network_name" {
 
 variable "subnet_cidr" {
   default = "192.168.0.0/24"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/project_with_user/main.tf b/modules/vpc/project_with_user/main.tf
index 47c7d43..29781cf 100644
--- a/modules/vpc/project_with_user/main.tf
+++ b/modules/vpc/project_with_user/main.tf
@@ -13,4 +13,4 @@ module "role" {
   source          = "../role"
   role_project_id = "${module.project.project_id}"
   role_user_id    = "${module.user.user_id}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/project_with_user/vars.tf b/modules/vpc/project_with_user/vars.tf
index 4dfaceb..bd5f5ec 100644
--- a/modules/vpc/project_with_user/vars.tf
+++ b/modules/vpc/project_with_user/vars.tf
@@ -1,9 +1,9 @@
 variable "project_name" {
-    default = "tf_project"
+  default = "tf_project"
 }
 
 variable "user_name" {
-    default = "tf_user"
+  default = "tf_user"
 }
 
 variable "user_password" {}
diff --git a/modules/vpc/server_local_and_remote_disks/main.tf b/modules/vpc/server_local_and_remote_disks/main.tf
index ad5193f..143b98f 100644
--- a/modules/vpc/server_local_and_remote_disks/main.tf
+++ b/modules/vpc/server_local_and_remote_disks/main.tf
@@ -19,6 +19,7 @@ module "flavor" {
   flavor_vcpus         = "${var.server_vcpus}"
   flavor_ram_mb        = "${var.server_ram_mb}"
   flavor_local_disk_gb = "${var.server_root_disk_gb}"
+
   lifecycle {
     create_before_destroy = false
   }
@@ -29,8 +30,9 @@ module "nat" {
 }
 
 resource "openstack_networking_port_v2" "port_1" {
-  name           = "${var.server_name}-eth0"
-  network_id     = "${module.nat.network_id}"
+  name       = "${var.server_name}-eth0"
+  network_id = "${module.nat.network_id}"
+
   fixed_ip {
     subnet_id = "${module.nat.subnet_id}"
   }
@@ -97,4 +99,4 @@ module "floatingip" {
 resource "openstack_networking_floatingip_associate_v2" "association_1" {
   port_id     = "${openstack_networking_port_v2.port_1.id}"
   floating_ip = "${module.floatingip.floatingip_address}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/server_local_and_remote_disks/vars.tf b/modules/vpc/server_local_and_remote_disks/vars.tf
index ac5d62a..06a7b20 100644
--- a/modules/vpc/server_local_and_remote_disks/vars.tf
+++ b/modules/vpc/server_local_and_remote_disks/vars.tf
@@ -42,4 +42,4 @@ variable "server_zone" {
 
 variable "server_ssh_key" {}
 
-variable "server_ssh_key_user" {}
\ No newline at end of file
+variable "server_ssh_key_user" {}
diff --git a/modules/vpc/server_local_root_disk/main.tf b/modules/vpc/server_local_root_disk/main.tf
index d93b7c0..9da3586 100644
--- a/modules/vpc/server_local_root_disk/main.tf
+++ b/modules/vpc/server_local_root_disk/main.tf
@@ -26,8 +26,9 @@ module "nat" {
 }
 
 resource "openstack_networking_port_v2" "port_1" {
-  name           = "${var.server_name}-eth0"
-  network_id     = "${module.nat.network_id}"
+  name       = "${var.server_name}-eth0"
+  network_id = "${module.nat.network_id}"
+
   fixed_ip {
     subnet_id = "${module.nat.subnet_id}"
   }
diff --git a/modules/vpc/server_local_root_disk/vars.tf b/modules/vpc/server_local_root_disk/vars.tf
index 8371962..f173853 100644
--- a/modules/vpc/server_local_root_disk/vars.tf
+++ b/modules/vpc/server_local_root_disk/vars.tf
@@ -34,4 +34,4 @@ variable "server_zone" {
 
 variable "server_ssh_key" {}
 
-variable "server_ssh_key_user" {}
\ No newline at end of file
+variable "server_ssh_key_user" {}
diff --git a/modules/vpc/server_remote_root_disk/main.tf b/modules/vpc/server_remote_root_disk/main.tf
index 2560e51..900241a 100644
--- a/modules/vpc/server_remote_root_disk/main.tf
+++ b/modules/vpc/server_remote_root_disk/main.tf
@@ -14,10 +14,10 @@ resource "random_string" "random_name" {
 }
 
 module "flavor" {
-  source               = "../flavor"
-  flavor_name          = "flavor-${random_string.random_name.result}"
-  flavor_vcpus         = "${var.server_vcpus}"
-  flavor_ram_mb        = "${var.server_ram_mb}"
+  source        = "../flavor"
+  flavor_name   = "flavor-${random_string.random_name.result}"
+  flavor_vcpus  = "${var.server_vcpus}"
+  flavor_ram_mb = "${var.server_ram_mb}"
 }
 
 module "nat" {
@@ -25,8 +25,9 @@ module "nat" {
 }
 
 resource "openstack_networking_port_v2" "port_1" {
-  name           = "${var.server_name}-eth0"
-  network_id     = "${module.nat.network_id}"
+  name       = "${var.server_name}-eth0"
+  network_id = "${module.nat.network_id}"
+
   fixed_ip {
     subnet_id = "${module.nat.subnet_id}"
   }
@@ -85,4 +86,4 @@ module "floatingip" {
 resource "openstack_networking_floatingip_associate_v2" "association_1" {
   port_id     = "${openstack_networking_port_v2.port_1.id}"
   floating_ip = "${module.floatingip.floatingip_address}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/server_remote_root_disk/vars.tf b/modules/vpc/server_remote_root_disk/vars.tf
index 29ead15..511c297 100644
--- a/modules/vpc/server_remote_root_disk/vars.tf
+++ b/modules/vpc/server_remote_root_disk/vars.tf
@@ -38,4 +38,4 @@ variable "server_zone" {
 
 variable "server_ssh_key" {}
 
-variable "server_ssh_key_user" {}
\ No newline at end of file
+variable "server_ssh_key_user" {}
diff --git a/modules/vpc/server_remote_root_disk_two_ports/main.tf b/modules/vpc/server_remote_root_disk_two_ports/main.tf
index c7bee04..b18511c 100644
--- a/modules/vpc/server_remote_root_disk_two_ports/main.tf
+++ b/modules/vpc/server_remote_root_disk_two_ports/main.tf
@@ -14,10 +14,10 @@ resource "random_string" "random_name" {
 }
 
 module "flavor" {
-  source               = "../flavor"
-  flavor_name          = "flavor-${random_string.random_name.result}"
-  flavor_vcpus         = "${var.server_vcpus}"
-  flavor_ram_mb        = "${var.server_ram_mb}"
+  source        = "../flavor"
+  flavor_name   = "flavor-${random_string.random_name.result}"
+  flavor_vcpus  = "${var.server_vcpus}"
+  flavor_ram_mb = "${var.server_ram_mb}"
 }
 
 module "nat" {
@@ -32,16 +32,18 @@ resource "openstack_networking_subnet_v2" "subnet_2" {
 }
 
 resource "openstack_networking_port_v2" "port_1" {
-  name           = "${var.server_name}-eth0"
-  network_id     = "${module.nat.network_id}"
+  name       = "${var.server_name}-eth0"
+  network_id = "${module.nat.network_id}"
+
   fixed_ip {
     subnet_id = "${module.nat.subnet_id}"
   }
 }
 
 resource "openstack_networking_port_v2" "port_2" {
-  name           = "${var.server_name}-eth1"
-  network_id     = "${module.nat.network_id}"
+  name       = "${var.server_name}-eth1"
+  network_id = "${module.nat.network_id}"
+
   fixed_ip {
     subnet_id = "${openstack_networking_subnet_v2.subnet_2.id}"
   }
@@ -108,4 +110,4 @@ module "floatingip" {
 resource "openstack_networking_floatingip_associate_v2" "association_1" {
   port_id     = "${openstack_networking_port_v2.port_1.id}"
   floating_ip = "${module.floatingip.floatingip_address}"
-}
\ No newline at end of file
+}
diff --git a/modules/vpc/server_remote_root_disk_two_ports/vars.tf b/modules/vpc/server_remote_root_disk_two_ports/vars.tf
index f8e7683..9b94aef 100644
--- a/modules/vpc/server_remote_root_disk_two_ports/vars.tf
+++ b/modules/vpc/server_remote_root_disk_two_ports/vars.tf
@@ -38,4 +38,4 @@ variable "server_zone" {
 
 variable "server_ssh_key" {}
 
-variable "server_ssh_key_user" {}
\ No newline at end of file
+variable "server_ssh_key_user" {}
diff --git a/modules/vpc/subnet/vars.tf b/modules/vpc/subnet/vars.tf
index b87e9af..a0f4a1c 100644
--- a/modules/vpc/subnet/vars.tf
+++ b/modules/vpc/subnet/vars.tf
@@ -3,9 +3,9 @@ variable "subnet_project_id" {}
 variable "subnet_region" {}
 
 variable "subnet_prefix_length" {
-  default     = 29
+  default = 29
 }
 
 variable "subnet_ip_version" {
-  default     = "ipv4"
+  default = "ipv4"
 }