Merge pull request #1295 from mkorobeinikov/master

Update the article

7 files changed, 599 insertions, 1038 deletions

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diff --git a/docs/_static/images/sg.png b/docs/_static/images/sg.png
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diff --git a/docs/automation/index.rst b/docs/automation/index.rst
index ecabff7a..48e83a96 100644
--- a/docs/automation/index.rst
+++ b/docs/automation/index.rst
@@ -8,11 +8,11 @@ VyOS Automation
 
 
 .. toctree::
-   :maxdepth: 1
+   :maxdepth: 2
    
    vyos-api
    vyos-ansible
-   vyos-terraform
+   terraform/index
    vyos-napalm
    vyos-netmiko
    vyos-salt
diff --git a/docs/automation/terraform/index.rst b/docs/automation/terraform/index.rst
new file mode 100644
index 00000000..9a51df91
--- /dev/null
+++ b/docs/automation/terraform/index.rst
@@ -0,0 +1,18 @@
+##############
+VyOS Terraform
+##############
+
+
+  * Nornir
+  * startup scripts
+
+
+.. toctree::
+   :maxdepth: 1
+   :caption: Content
+   
+   terraformAWS
+#   terraformAZ
+#   terraformvSphere
+#   terraformGoogle
+   
diff --git a/docs/automation/terraform/terraformAWS.rst b/docs/automation/terraform/terraformAWS.rst
new file mode 100644
index 00000000..c81fe906
--- /dev/null
+++ b/docs/automation/terraform/terraformAWS.rst
@@ -0,0 +1,579 @@
+:lastproofread: 2024-01-11
+
+.. _vyos-terraform:
+
+Terraform for VyOS
+==================
+
+VyOS supports development infrastructure via Terraform and provisioning via Ansible.
+Terraform allows you to automate the process of deploying instances on many cloud and virtual platforms. 
+In this article, we will look at using terraforms to deploy vyos on platforms - AWS, AZURE, and vSphere.
+More detailed about what is Terraform you can write using the link_.
+
+Need to install_ Terraform
+
+Structure of files in the standard Terraform project:
+
+.. code-block:: none
+
+ .
+ ├── main.tf             # The main script
+ ├── version.tf          # File for the changing version of Terraform.
+ ├── variables.tf        # The file of all variables in "main.tf"
+ └── terraform.tfvars    # The value of all variables (passwords, login, ip adresses and so on)
+
+
+General commands that we will use for running Terraform scripts
+
+
+.. code-block:: none
+
+  #cd /<your folder>         # go to the Terrafom project
+  #terraform init          # install all addons and provider (aws az and so on)
+  #terraform plan          # show wtah is changing
+  #terraform apply         # run script
+  #yes                     # apply running
+
+
+Deploying vyos in the AWS cloud
+-------------------------------
+With the help of terraforms, you can quickly deploy Vyos-based infrastructure in the AWS cloud. If necessary, the infrastructure can be removed using terraform.
+Also we will make provisioning using Ansible.
+
+
+.. image:: /_static/images/aws.png
+   :width: 50%
+   :align: center
+   :alt: Network Topology Diagram
+
+In this case, we'll create the necessary files for Terraform and Ansible next using Terraform we'll create a single instance on the AWS cloud and make provisioning using Ansible.
+
+
+Preparation steps for deploying VyOS on AWS 
+-------------------------------------------
+
+How to create a single instance and install your configuration using Terraform+Ansible+AWS 
+Step by step:
+
+AWS
+
+
+1.1 Create an account with AWS and get your "access_key", "secret key"
+
+1.2 Create a key pair_ and download your .pem key
+
+.. image:: /_static/images/keypairs.png
+   :width: 50%
+   :align: center
+   :alt: Network Topology Diagram
+
+1.3 Create a security group_ for the new VyOS instance and open all traffic
+
+.. image:: /_static/images/sg.png
+   :width: 50%
+   :align: center
+   :alt: Network Topology Diagram
+
+
+.. image:: /_static/images/traffic.png
+   :width: 50%
+   :align: center
+   :alt: Network Topology Diagram
+
+Terraform
+
+
+2.1 Create a0 UNIX or Windows instance
+
+2.2 Download and install Terraform
+
+2.3 Create the folder for example /root/awsterraform
+
+.. code-block:: none
+
+ mkdir /root/awsterraform
+
+2.4 Copy all files into your Terraform project "/root/awsterraform" (vyos.tf, var.tf, terraform.tfvars,version.tf), more detailed see `Structure of files Terrafom for AWS`_
+
+2.5 Type the commands :
+
+.. code-block:: none
+
+   #cd /<your folder> 
+   #terraform init
+
+
+Ansible
+
+
+3.1 Create a UNIX instance whenever you want (local, cloud, and so on)
+
+3.2 Download and install Ansible
+
+3.3 Create the folder for example /root/aws/
+
+3.4 Copy all files into your Ansible project "/root/aws/" (ansible.cfg, instance.yml, mykey.pem and "all"), more detailed see `Structure of files Ansible for AWS`_
+
+mykey.pem you have to get using step 1.2
+
+
+Start 
+
+
+4.1 Type the commands on your Terrafom instance:
+   
+.. code-block:: none
+
+   #cd /<your folder>
+   #terraform plan  
+   #terraform apply  
+   #yes
+
+
+Start creating an AWS instance and check the result 
+---------------------------------------------------
+
+.. code-block:: none
+
+  root@localhost:~/awsterraform# terraform apply
+  
+  Terraform used the selected providers to generate the following execution plan.
+  Resource actions are indicated with the following symbols:
+    + create
+  
+  Terraform will perform the following actions:
+  
+    # aws_instance.myVyOSec2 will be created
+    + resource "aws_instance" "myVyOSec2" {
+        + ami                                  = "ami-************62c2d"
+        + arn                                  = (known after apply)
+        + associate_public_ip_address          = (known after apply)
+        + availability_zone                    = (known after apply)
+        + cpu_core_count                       = (known after apply)
+        + cpu_threads_per_core                 = (known after apply)
+        + disable_api_stop                     = (known after apply)
+        + disable_api_termination              = (known after apply)
+        + ebs_optimized                        = (known after apply)
+        + get_password_data                    = false
+        + host_id                              = (known after apply)
+        + host_resource_group_arn              = (known after apply)
+        + iam_instance_profile                 = (known after apply)
+        + id                                   = (known after apply)
+        + instance_initiated_shutdown_behavior = (known after apply)
+        + instance_lifecycle                   = (known after apply)
+        + instance_state                       = (known after apply)
+        + instance_type                        = "t2.micro"
+        + ipv6_address_count                   = (known after apply)
+        + ipv6_addresses                       = (known after apply)
+        + key_name                             = "awsterraform"
+        + monitoring                           = (known after apply)
+        + outpost_arn                          = (known after apply)
+        + password_data                        = (known after apply)
+        + placement_group                      = (known after apply)
+        + placement_partition_number           = (known after apply)
+        + primary_network_interface_id         = (known after apply)
+        + private_dns                          = (known after apply)
+        + private_ip                           = (known after apply)
+        + public_dns                           = (known after apply)
+        + public_ip                            = (known after apply)
+        + secondary_private_ips                = (known after apply)
+        + security_groups                      = [
+            + "awsterraformsg",
+          ]
+        + source_dest_check                    = true
+        + spot_instance_request_id             = (known after apply)
+        + subnet_id                            = (known after apply)
+        + tags                                 = {
+            + "name" = "VyOS System"
+          }
+        + tags_all                             = {
+            + "name" = "VyOS System"
+          }
+        + tenancy                              = (known after apply)
+        + user_data                            = (known after apply)
+        + user_data_base64                     = (known after apply)
+        + user_data_replace_on_change          = false
+        + vpc_security_group_ids               = (known after apply)
+      }
+  
+    # local_file.ip will be created
+    + resource "local_file" "ip" {
+        + content              = (known after apply)
+        + content_base64sha256 = (known after apply)
+        + content_base64sha512 = (known after apply)
+        + content_md5          = (known after apply)
+        + content_sha1         = (known after apply)
+        + content_sha256       = (known after apply)
+        + content_sha512       = (known after apply)
+        + directory_permission = "0777"
+        + file_permission      = "0777"
+        + filename             = "ip.txt"
+        + id                   = (known after apply)
+      }
+  
+    # null_resource.SSHconnection1 will be created
+    + resource "null_resource" "SSHconnection1" {
+        + id = (known after apply)
+      }
+  
+    # null_resource.SSHconnection2 will be created
+    + resource "null_resource" "SSHconnection2" {
+        + id = (known after apply)
+      }
+  
+  Plan: 4 to add, 0 to change, 0 to destroy.
+  
+  Changes to Outputs:
+    + my_IP = (known after apply)
+  
+  Do you want to perform these actions?
+    Terraform will perform the actions described above.
+    Only 'yes' will be accepted to approve.
+  
+    Enter a value: yes
+  
+  aws_instance.myVyOSec2: Creating...
+  aws_instance.myVyOSec2: Still creating... [10s elapsed]
+  aws_instance.myVyOSec2: Still creating... [20s elapsed]
+  aws_instance.myVyOSec2: Still creating... [30s elapsed]
+  aws_instance.myVyOSec2: Still creating... [40s elapsed]
+  aws_instance.myVyOSec2: Creation complete after 44s [id=i-09edfca15aac2fe0a]
+  null_resource.SSHconnection1: Creating...
+  null_resource.SSHconnection2: Creating...
+  null_resource.SSHconnection1: Provisioning with 'file'...
+  null_resource.SSHconnection2: Provisioning with 'remote-exec'...
+  null_resource.SSHconnection2 (remote-exec): Connecting to remote host via SSH...
+  null_resource.SSHconnection2 (remote-exec):   Host: 10.217.80.104
+  null_resource.SSHconnection2 (remote-exec):   User: root
+  null_resource.SSHconnection2 (remote-exec):   Password: true
+  null_resource.SSHconnection2 (remote-exec):   Private key: false
+  null_resource.SSHconnection2 (remote-exec):   Certificate: false
+  null_resource.SSHconnection2 (remote-exec):   SSH Agent: false
+  null_resource.SSHconnection2 (remote-exec):   Checking Host Key: false
+  null_resource.SSHconnection2 (remote-exec):   Target Platform: unix
+  local_file.ip: Creating...
+  local_file.ip: Creation complete after 0s [id=e8e91f2e24579cd28b92e2d152c0c24c3bf4b52c]
+  null_resource.SSHconnection2 (remote-exec): Connected!
+  null_resource.SSHconnection1: Creation complete after 0s [id=7070868940858935600]
+  
+  null_resource.SSHconnection2 (remote-exec): PLAY [integration of terraform and ansible] ************************************
+  
+  null_resource.SSHconnection2 (remote-exec): TASK [Wait 300 seconds, but only start checking after 60 seconds] **************
+  null_resource.SSHconnection2: Still creating... [10s elapsed]
+  null_resource.SSHconnection2: Still creating... [20s elapsed]
+  null_resource.SSHconnection2: Still creating... [30s elapsed]
+  null_resource.SSHconnection2: Still creating... [40s elapsed]
+  null_resource.SSHconnection2: Still creating... [50s elapsed]
+  null_resource.SSHconnection2: Still creating... [1m0s elapsed]
+  null_resource.SSHconnection2 (remote-exec): ok: [54.144.84.120]
+  
+  null_resource.SSHconnection2 (remote-exec): TASK [Configure general settings for the vyos hosts group] *********************
+  null_resource.SSHconnection2: Still creating... [1m10s elapsed]
+  null_resource.SSHconnection2 (remote-exec): changed: [54.144.84.120]
+  
+  null_resource.SSHconnection2 (remote-exec): PLAY RECAP *********************************************************************
+  null_resource.SSHconnection2 (remote-exec): 54.144.84.120              : ok=2    changed=1    unreachable=0    failed=0    skipped=0    rescued=0    ignored=0
+  
+  null_resource.SSHconnection2: Creation complete after 1m16s [id=4902256962410024771]
+  
+  Apply complete! Resources: 4 added, 0 changed, 0 destroyed.
+  
+  Outputs:
+  
+  my_IP = "54.144.84.120"
+  
+
+
+After executing all the commands you will have your VyOS instance on the AWS cloud with your configuration, it's a very convenient desition.
+If you need to delete the instance please type the command:
+
+.. code-block:: none
+
+   #terraform destroy
+
+
+Troubleshooting
+---------------
+
+1. Ansible doesn't connect via SSH to your AWS instance: you have to check that your SSH key has copied into the path /root/aws/.
+Also, increase the time in the file instance.yml from 300 sec to 500 sec or more. (It depends on your location).
+Make sure that you have opened access to the instance in the security group.
+
+2. Terraform doesn't connect via SSH to your Ansible instance: you have to check the correct login and password in the part of the file vyos. tf
+
+.. code-block:: none
+
+  connection {
+   type     = "ssh"  
+   user     = "root"              # open root access using login and password on your Ansible
+   password = var.password        # check password in the file terraform.tfvars isn't empty
+       host = var.host            # check the correct IP address of your Ansible host
+  }
+
+
+Make sure that Ansible is pinging from Terrafom.
+
+Structure of files Terrafom for AWS
+-----------------------------------
+
+.. code-block:: none
+
+ .
+ ├── vyos.tf				# The main script
+ ├── var.tf					# File for the changing version of Terraform.
+ ├── versions.tf			# The file of all variables in "vyos.tf"
+ └── terraform.tfvars		# The value of all variables (passwords, login, ip adresses and so on)
+ 
+
+ 
+File contents of Terrafom for AWS
+---------------------------------
+
+vyos.tf
+
+.. code-block:: none
+
+
+  ##############################################################################
+  # Build an VyOS VM from the Marketplace
+  # To finde nessesery AMI image_ in AWS
+  #
+  # In the script vyos.tf we'll use default values (you can chang it as you need)
+  # AWS Region = "us-east-1"
+  # AMI        = "standard AMI of VyOS from AWS Marketplace"
+  # Size of VM = "t2.micro"
+  # AWS Region = "us-east-1"
+  # After deploying the AWS instance and getting an IP address, the IP address is copied into the file  
+  #"ip.txt" and copied to the Ansible node for provisioning.
+  ##############################################################################
+
+  provider "aws" {
+   access_key = var.access 
+   secret_key = var.secret 
+   region = var.region
+  }
+  
+  variable "region" {
+   default = "us-east-1"
+   description = "AWS Region"
+  }
+  
+  variable "ami" {
+   default = "ami-**************3b3"                        # ami image please enter your details  
+   description = "Amazon Machine Image ID for VyOS"
+  }
+  
+  variable "type" {
+   default = "t2.micro"
+   description = "Size of VM"
+  }
+  
+  # my resource for VyOS
+  
+  resource "aws_instance" "myVyOSec2" {
+   ami = var.ami
+   key_name = "awsterraform"                                      # Please enter your details from 1.2 of Preparation steps for deploying VyOS on AWS 
+   security_groups = ["awsterraformsg"]                           # Please enter your details from 1.3 of Preparation steps for deploying VyOS on AWS 
+   instance_type = var.type
+   tags = {
+     name = "VyOS System"
+   }
+  }
+
+  ##############################################################################
+  # specific variable (to getting type "terraform plan"):
+  # aws_instance.myVyOSec2.public_ip - the information about public IP address
+  # of our instance, needs for provisioning and ssh connection from Ansible
+  ##############################################################################
+  
+  output "my_IP"{
+  value = aws_instance.myVyOSec2.public_ip
+  }
+  
+  ##############################################################################
+  # 
+  # IP of aws instance copied to a file ip.txt in local system Terraform
+  # ip.txt looks like: 
+  # cat ./ip.txt
+  # ххх.ххх.ххх.ххх
+  ##############################################################################
+  
+  resource "local_file" "ip" {
+      content  = aws_instance.myVyOSec2.public_ip
+      filename = "ip.txt"
+  }
+  
+  #connecting to the Ansible control node using SSH connection
+
+  ##############################################################################
+  # Steps "SSHconnection1" and "SSHconnection2" need to get file ip.txt from the terraform node and start remotely the playbook of Ansible.
+  ##############################################################################
+  
+  resource "null_resource" "SSHconnection1" {
+  depends_on = [aws_instance.myVyOSec2] 
+  connection {
+   type     = "ssh"
+   user     = "root"
+   password = var.password
+       host = var.host
+  }
+  
+  #copying the ip.txt file to the Ansible control node from local system 
+
+   provisioner "file" {
+      source      = "ip.txt"
+      destination = "/root/aws/ip.txt"                             # The folder of your Ansible project
+         }
+  }
+  
+  resource "null_resource" "SSHconnection2" {
+  depends_on = [aws_instance.myVyOSec2]  
+  connection {
+  	type     = "ssh"
+  	user     = "root"
+  	password = var.password
+      	host = var.host
+  }
+  #command to run Ansible playbook on remote Linux OS
+  provisioner "remote-exec" {
+      inline = [
+  	"cd /root/aws/",
+  	"ansible-playbook instance.yml"                               # more detailed in "File contents of Ansible for AWS"
+  ]
+  }
+  }
+
+
+var.tf
+
+.. code-block:: none
+
+  variable "password" {
+     description = "pass for Ansible"
+     type = string
+     sensitive = true
+  }
+  variable "host"{
+     description = "The IP of my Ansible"
+	 type = string
+  }
+  variable "access" {
+     description = "my access_key for AWS"
+     type = string
+     sensitive = true
+  }
+  variable "secret" {
+     description = "my secret_key for AWS"
+     type = string
+     sensitive = true
+  }
+  
+versions.tf
+
+.. code-block:: none
+
+   terraform {
+    required_providers {
+      aws = {
+        source  = "hashicorp/aws"
+        version = "~> 5.0"
+      }
+    }
+  }
+
+terraform.tfvars
+
+.. code-block:: none
+
+  password  = ""   # password for Ansible SSH
+  host      = ""   # IP of my Ansible
+  access    = ""   # access_key for AWS
+  secret    = ""   # secret_key for AWS
+
+
+Structure of files Ansible for AWS
+----------------------------------
+
+.. code-block:: none
+
+ .
+ ├── group_vars
+     └── all
+ ├── ansible.cfg
+ ├── mykey.pem
+ └── instance.yml
+ 
+ 
+File contents of Ansible for AWS
+--------------------------------
+
+ansible.cfg
+
+.. code-block:: none
+
+  [defaults]
+  inventory = /root/aws/ip.txt
+  host_key_checking= False
+  private_key_file = /root/aws/awsterraform.pem         # check the name
+  remote_user=vyos
+
+mykey.pem
+
+.. code-block:: none
+
+  Copy your key.pem from AWS
+
+
+instance.yml
+
+
+
+.. code-block:: none
+
+  ##############################################################################
+  # About tasks:
+  # "Wait 300 seconds, but only start checking after 60 seconds" - try to make ssh connection every 60 seconds until 300 seconds
+  # "Configure general settings for the vyos hosts group" - make provisioning into AWS VyOS node
+  # You have to add all necessary cammans of VyOS under the block "lines:"
+  ##############################################################################
+
+
+  - name: integration of terraform and ansible
+    hosts: all
+    gather_facts: 'no'
+  
+    tasks:
+  
+      - name: "Wait 300 seconds, but only start checking after 60 seconds"
+        wait_for_connection:
+          delay: 60
+          timeout: 300
+  
+      - name: "Configure general settings for the vyos hosts group"
+        vyos_config:
+          lines:
+            - set system name-server 8.8.8.8
+          save:
+            true
+
+
+all
+
+.. code-block:: none
+
+  ansible_connection: ansible.netcommon.network_cli
+  ansible_network_os: vyos.vyos.vyos
+  ansible_user: vyos
+
+Sourse files for AWS from GIT
+-----------------------------
+
+All files about the article can be found here_
+
+
+.. _link: https://developer.hashicorp.com/terraform/intro
+.. _install: https://developer.hashicorp.com/terraform/tutorials/aws-get-started/install-cli
+.. _pair: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/create-key-pairs.html
+.. _group: https://docs.aws.amazon.com/cli/latest/userguide/cli-services-ec2-sg.html
+.. _image: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/AMIs.html
+.. _here: https://github.com/vyos/vyos-automation/tree/main/TerraformCloud/AWS_terraform_ansible_single_vyos_instance-main
\ No newline at end of file
diff --git a/docs/automation/vyos-terraform.rst b/docs/automation/vyos-terraform.rst
deleted file mode 100644
index 75967202..00000000
--- a/docs/automation/vyos-terraform.rst
+++ /dev/null
@@ -1,1036 +0,0 @@
-:lastproofread: 2024-01-11
-
-.. _vyos-terraform:
-
-Terraform
-=========
-
-VyOS supports develop infrastructia via Terraform and provisioning via ansible.
-Need to install ``Terraform``
-
-Structure of files
-
-.. code-block:: none
-
- .
- ├── main.tf
- ├── version.tf
- ├── variables.tf
- └── terraform.tfvars
-
-Run Terraform
--------------
-
-.. code-block:: none
-
-  #cd /your folder
-  #terraform init
-  #terraform plan
-  #terraform apply
-  #yes
-
-
-Deploying vyos in the AWS cloud
--------------------------------
-With the help of terraforms, you can quickly deploy Vyos-based infrastructure in the AWS cloud. If necessary, the infrastructure can be removed using terraform.
-Also we will make provisioning using Ansible.
-
-Structure of files Terrafom
-
-.. code-block:: none
-
- .
- ├── vyos.tf
- └── var.tf
- 
-File contents
--------------
-
-vyos.tf
-
-.. code-block:: none
-
-  terraform {
-   required_providers {
-     aws = {
-       source  = "hashicorp/aws"
-       version = "~> 5.0"
-     }
-   }
-  }
-  
-  provider "aws" {
-   access_key = var.access 
-   secret_key = var.secret 
-   region = var.region
-  }
-  
-  variable "region" {
-   default = "us-east-1"
-   description = "AWS Region"
-  }
-  
-  variable "ami" {
-   default = "ami-**************"                        # ami image please enter your details  
-   description = "Amazon Machine Image ID for VyOS"
-  }
-  
-  variable "type" {
-   default = "t2.micro"
-   description = "Size of VM"
-  }
-  
-  # my resource for VyOS
-  
-  resource "aws_instance" "myVyOSec2" {
-   ami = var.ami
-   key_name = "mykeyname"                                # Please enter your details  
-   security_groups = ["my_sg"]                           # Please enter your details  
-   instance_type = var.type
-   tags = {
-     name = "VyOS System"
-   }
-  }
-  
-  output "my_IP"{
-  value = aws_instance.myVyOSec2.public_ip
-  }
-  
-  
-  #IP of aws instance copied to a file ip.txt in local system Terraform
-  
-  resource "local_file" "ip" {
-      content  = aws_instance.myVyOSec2.public_ip
-      filename = "ip.txt"
-  }
-  
-  #connecting to the Ansible control node using SSH connection
-  
-  resource "null_resource" "SSHconnection1" {
-  depends_on = [aws_instance.myVyOSec2] 
-  connection {
-   type     = "ssh"
-   user     = "root"
-   password = var.password
-       host = var.host
-  }
-  #copying the ip.txt file to the Ansible control node from local system 
-   provisioner "file" {
-      source      = "ip.txt"
-      destination = "/root/aws/ip.txt"                             # The folder of your Ansible project
-         }
-  }
-  
-  resource "null_resource" "SSHconnection2" {
-  depends_on = [aws_instance.myVyOSec2]  
-  connection {
-  	type     = "ssh"
-  	user     = "root"
-  	password = var.password
-      	host = var.host
-  }
-  #command to run Ansible playbook on remote Linux OS
-  provisioner "remote-exec" {
-      inline = [
-  	"cd /root/aws/",
-  	"ansible-playbook instance.yml"
-  ]
-  }
-  }
-
-
-var.tf
-
-.. code-block:: none
-
-  variable "password" {
-     description = "pass for Ansible"
-     type = string
-     sensitive = true
-  }
-  variable "host"{
-     description = "The IP of my Ansible"
-  }
-  variable "access" {
-     description = "my access_key for AWS"
-     type = string
-     sensitive = true
-  }
-  variable "secret" {
-     description = "my secret_key for AWS"
-     type = string
-     sensitive = true
-  }
-
-
-Structure of files Ansible
-
-.. code-block:: none
-
- .
- ├── group_vars
-     └── all
- ├── ansible.cfg
- ├── mykey.pem
- └── instance.yml
- 
- 
-File contents
--------------
-
-ansible.cfg
-
-.. code-block:: none
-
-  [defaults]
-  inventory = /root/aws/ip.txt
-  host_key_checking= False
-  private_key_file = /root/aws/mykey.pem
-  remote_user=vyos
-
-mykey.pem
-
-.. code-block:: none
-
-  -----BEGIN OPENSSH PRIVATE KEY-----
-  
-  Copy your key.pem from AWS
-  
-  -----END OPENSSH PRIVATE KEY-----
-
-instance.yml
-
-.. code-block:: none
-
-  - name: integration of terraform and ansible
-    hosts: all
-    gather_facts: 'no'
-  
-    tasks:
-  
-      - name: "Wait 300 seconds, but only start checking after 60 seconds"
-        wait_for_connection:
-          delay: 60
-          timeout: 300
-  
-      - name: "Configure general settings for the vyos hosts group"
-        vyos_config:
-          lines:
-            - set system name-server 8.8.8.8
-          save:
-            true
-
-
-all
-
-.. code-block:: none
-
-  ansible_connection: ansible.netcommon.network_cli
-  ansible_network_os: vyos.vyos.vyos
-  ansible_user: vyos
-
-AWS_terraform_ansible_single_vyos_instance
-------------------------------------------
-
-How to create a single instance and install your configuration using Terraform+Ansible+AWS 
-Step by step:
-
-AWS
----
-
-1.1 Create an account with AWS and get your "access_key", "secret key"
-
-1.2 Create a key pair and download your .pem key
-
-1.3 Create a security group for the new VyOS instance
-
-Terraform
----------
-
-2.1 Create a UNIX or Windows instance
-
-2.2 Download and install Terraform
-
-2.3 Create the folder for example ../awsvyos/
-
-2.4 Copy all files into your Terraform project (vyos.tf, var.tf)
-2.4.1 Please type the information into the strings 22, 35, 36 of file "vyos.tf"
-
-2.5 Type the commands :
-
-   #cd /your folder
-   
-   #terraform init
-
-Ansible
--------
-
-3.1 Create a UNIX instance
-
-3.2 Download and install Ansible
-
-3.3 Create the folder for example /root/aws/
-
-3.4 Copy all files from my folder /Ansible into your Ansible project (ansible.cfg, instance.yml, mykey.pem)
-
-mykey.pem you have to get using step 1.2
-
-Start 
------
-
-4.1 Type the commands on your Terrafom instance:
-   
-   #cd /your folder 
-
-   #terraform plan  
-
-   #terraform apply  
-   
-   #yes
-
-.. image:: /_static/images/aws.png
-   :width: 80%
-   :align: center
-   :alt: Network Topology Diagram
-
-
-
-Deploying vyos in the Azure cloud
----------------------------------
-With the help of terraforms, you can quickly deploy Vyos-based infrastructure in the Azure cloud. If necessary, the infrastructure can be removed using terraform.
-
-Structure of files Terrafom
-
-.. code-block:: none
-
- .
- ├── main.tf
- └── variables.tf
- 
-File contents
--------------
-
-main.tf
-
-.. code-block:: none
-
-  ##############################################################################
-  # HashiCorp Guide to Using Terraform on Azure
-  # This Terraform configuration will create the following:
-  # Resource group with a virtual network and subnet
-  # An VyOS server without ssh key (only login+password)
-  ##############################################################################
-  
-  # Chouse a provider
-  
-  provider "azurerm" {
-    features {}
-  }
-  
-  # Create a resource group. In Azure every resource belongs to a 
-  # resource group. 
-  
-  resource "azurerm_resource_group" "azure_vyos" {
-    name     = "${var.resource_group}"
-    location = "${var.location}"
-  }
-  
-  # The next resource is a Virtual Network.
-  
-  resource "azurerm_virtual_network" "vnet" {
-    name                = "${var.virtual_network_name}"
-    location            = "${var.location}"
-    address_space       = ["${var.address_space}"]
-    resource_group_name = "${var.resource_group}"
-  }
-  
-  # Build a subnet to run our VMs in.
-  
-  resource "azurerm_subnet" "subnet" {
-    name                 = "${var.prefix}subnet"
-    virtual_network_name = "${azurerm_virtual_network.vnet.name}"
-    resource_group_name = "${var.resource_group}"
-    address_prefixes       = ["${var.subnet_prefix}"]
-  }
-  
-  ##############################################################################
-  # Build an VyOS VM from the Marketplace
-  # To finde nessesery image use the command:
-  #
-  # az vm image list --offer vyos --all
-  #
-  # Now that we have a network, we'll deploy an VyOS server.
-  # An Azure Virtual Machine has several components. In this example we'll build
-  # a security group, a network interface, a public ip address, a storage 
-  # account and finally the VM itself. Terraform handles all the dependencies 
-  # automatically, and each resource is named with user-defined variables.
-  ##############################################################################
-  
-  
-  # Security group to allow inbound access on port 22 (ssh)
-  
-  resource "azurerm_network_security_group" "vyos-sg" {
-    name                = "${var.prefix}-sg"
-    location            = "${var.location}"
-    resource_group_name = "${var.resource_group}"
-  
-    security_rule {
-      name                       = "SSH"
-      priority                   = 100
-      direction                  = "Inbound"
-      access                     = "Allow"
-      protocol                   = "Tcp"
-      source_port_range          = "*"
-      destination_port_range     = "22"
-      source_address_prefix      = "${var.source_network}"
-      destination_address_prefix = "*"
-    }
-  }
-  
-  # A network interface.
-  
-  resource "azurerm_network_interface" "vyos-nic" {
-    name                      = "${var.prefix}vyos-nic"
-    location                  = "${var.location}"
-    resource_group_name       = "${var.resource_group}"
-  
-    ip_configuration {
-      name                          = "${var.prefix}ipconfig"
-      subnet_id                     = "${azurerm_subnet.subnet.id}"
-      private_ip_address_allocation = "Dynamic"
-      public_ip_address_id          = "${azurerm_public_ip.vyos-pip.id}"
-    }
-  }
-  
-  # Add a public IP address.
-  
-  resource "azurerm_public_ip" "vyos-pip" {
-    name                         = "${var.prefix}-ip"
-    location                     = "${var.location}"
-    resource_group_name          = "${var.resource_group}"
-    allocation_method            = "Dynamic"
-  }
-  
-  # Build a virtual machine. This is a standard VyOS instance from Marketplace.
-  
-  resource "azurerm_virtual_machine" "vyos" {
-    name                = "${var.hostname}-vyos"
-    location            = "${var.location}"
-    resource_group_name = "${var.resource_group}" 
-    vm_size             = "${var.vm_size}"
-  
-    network_interface_ids         = ["${azurerm_network_interface.vyos-nic.id}"]
-    delete_os_disk_on_termination = "true"
-  
-  # To finde an information about the plan use the command:
-  # az vm image list --offer vyos --all
-  
-    plan {
-      publisher = "sentriumsl"
-      name      = "vyos-1-3"
-      product   = "vyos-1-2-lts-on-azure"
-    }
-  
-    storage_image_reference {
-      publisher = "${var.image_publisher}"
-      offer     = "${var.image_offer}"
-      sku       = "${var.image_sku}"
-      version   = "${var.image_version}"
-    }
-  
-    storage_os_disk {
-      name              = "${var.hostname}-osdisk"
-      managed_disk_type = "Standard_LRS"
-      caching           = "ReadWrite"
-      create_option     = "FromImage"
-    }
-  
-    os_profile {
-      computer_name  = "${var.hostname}"
-      admin_username = "${var.admin_username}"
-      admin_password = "${var.admin_password}"
-    }
-  
-    os_profile_linux_config {
-      disable_password_authentication = false
-    }
-  }
-  
-  data "azurerm_public_ip" "example" {
-    depends_on = ["azurerm_virtual_machine.vyos"]
-    name                = "vyos-ip"
-    resource_group_name = "${var.resource_group}"
-  }
-  output "public_ip_address" {
-    value = data.azurerm_public_ip.example.ip_address
-  }
-  
-  # IP of AZ instance copied to a file ip.txt in local system
-  
-  resource "local_file" "ip" {
-      content  = data.azurerm_public_ip.example.ip_address
-      filename = "ip.txt"
-  }
-  
-  #Connecting to the Ansible control node using SSH connection
-  
-  resource "null_resource" "nullremote1" {
-  depends_on = ["azurerm_virtual_machine.vyos"] 
-  connection {
-   type     = "ssh"
-   user     = "root"
-   password = var.password
-       host = var.host
-  }
-  
-  # Copying the ip.txt file to the Ansible control node from local system 
-  
-   provisioner "file" {
-      source      = "ip.txt"
-      destination = "/root/az/ip.txt"
-         }
-  }
-  
-  resource "null_resource" "nullremote2" {
-  depends_on = ["azurerm_virtual_machine.vyos"]  
-  connection {
-  	type     = "ssh"
-  	user     = "root"
-  	password = var.password
-      	host = var.host
-  }
-  
-  # Command to run ansible playbook on remote Linux OS
-  
-  provisioner "remote-exec" {
-      
-      inline = [
-  	"cd /root/az/",
-  	"ansible-playbook instance.yml"
-  ]
-  }
-  }
-
-
-
-variables.tf
-
-.. code-block:: none
-
-  ##############################################################################
-  # Variables File
-  # 
-  # Here is where we store the default values for all the variables used in our
-  # Terraform code.
-  ##############################################################################
-  
-  variable "resource_group" {
-    description = "The name of your Azure Resource Group."
-    default     = "my_resource_group"
-  }
-  
-  variable "prefix" {
-    description = "This prefix will be included in the name of some resources."
-    default     = "vyos"
-  }
-  
-  variable "hostname" {
-    description = "Virtual machine hostname. Used for local hostname, DNS, and storage-related names."
-    default     = "vyos_terraform"
-  }
-  
-  variable "location" {
-    description = "The region where the virtual network is created."
-    default     = "centralus"
-  }
-  
-  variable "virtual_network_name" {
-    description = "The name for your virtual network."
-    default     = "vnet"
-  }
-  
-  variable "address_space" {
-    description = "The address space that is used by the virtual network. You can supply more than one address space. Changing this forces a new resource to be created."
-    default     = "10.0.0.0/16"
-  }
-  
-  variable "subnet_prefix" {
-    description = "The address prefix to use for the subnet."
-    default     = "10.0.10.0/24"
-  }
-  
-  variable "storage_account_tier" {
-    description = "Defines the storage tier. Valid options are Standard and Premium."
-    default     = "Standard"
-  }
-  
-  variable "storage_replication_type" {
-    description = "Defines the replication type to use for this storage account. Valid options include LRS, GRS etc."
-    default     = "LRS"
-  }
-  
-  # The most chippers size
-  
-  variable "vm_size" {
-    description = "Specifies the size of the virtual machine."
-    default     = "Standard_B1s"
-  }
-  
-  variable "image_publisher" {
-    description = "Name of the publisher of the image (az vm image list)"
-    default     = "sentriumsl"
-  }
-  
-  variable "image_offer" {
-    description = "Name of the offer (az vm image list)"
-    default     = "vyos-1-2-lts-on-azure"
-  }
-  
-  variable "image_sku" {
-    description = "Image SKU to apply (az vm image list)"
-    default     = "vyos-1-3"
-  }
-  
-  variable "image_version" {
-    description = "Version of the image to apply (az vm image list)"
-    default     = "1.3.3"
-  }
-  
-  variable "admin_username" {
-    description = "Administrator user name"
-    default     = "vyos"
-  }
-  
-  variable "admin_password" {
-    description = "Administrator password"
-    default     = "Vyos0!"
-  }
-  
-  variable "source_network" {
-    description = "Allow access from this network prefix. Defaults to '*'."
-    default     = "*"
-  }
-  
-  variable "password" {
-     description = "pass for Ansible"
-     type = string
-     sensitive = true
-  }
-  variable "host"{
-     description = "IP of my Ansible"
-  }
-
-
-Structure of files Ansible
-
-.. code-block:: none
-
- .
- ├── group_vars
-     └── all
- ├── ansible.cfg
- └── instance.yml
- 
- 
-File contents
--------------
-
-ansible.cfg
-
-.. code-block:: none
-
-  [defaults]
-  inventory = /root/az/ip.txt
-  host_key_checking= False
-  remote_user=vyos
-
-
-instance.yml
-
-.. code-block:: none
-
-  - name: integration of terraform and ansible
-    hosts: all
-    gather_facts: 'no'
-  
-    tasks:
-  
-      - name: "Wait 300 seconds, but only start checking after 60 seconds"
-        wait_for_connection:
-          delay: 60
-          timeout: 300
-  
-      - name: "Configure general settings for the vyos hosts group"
-        vyos_config:
-          lines:
-            - set system name-server 8.8.8.8
-          save:
-            true
-
-
-all
-
-.. code-block:: none
-
-  ansible_connection: ansible.netcommon.network_cli
-  ansible_network_os: vyos.vyos.vyos
-  
-  # user and password gets from terraform variables "admin_username" and "admin_password"
-  ansible_user: vyos
-  ansible_ssh_pass: Vyos0!
-
-
-Azure_terraform_ansible_single_vyos_instance
---------------------------------------------
-
-How to create a single instance and install your configuration using Terraform+Ansible+Azure 
-Step by step:
-
-Azure
------
-
-1.1 Create an account with Azure
-
-Terraform
----------
-
-2.1 Create a UNIX or Windows instance
-
-2.2 Download and install Terraform
-
-2.3 Create the folder for example ../azvyos/
-
-2.4 Copy all files from my folder /Terraform into your Terraform project (main.tf, variables.tf)
-
-2.5 Login with Azure  using the command 
-
-  #az login
-
-2.6 Type the commands :
-
-   #cd /your folder
-   
-   #terraform init
-
-Ansible
--------
-
-3.1 Create a UNIX instance
-
-3.2 Download and install Ansible
-
-3.3 Create the folder for example /root/az/
-
-3.4 Copy all files from my folder /Ansible into your Ansible project (ansible.cfg, instance.yml and /group_vars)
-
-Start 
------
-
-4.1 Type the commands on your Terrafom instance:
-   
-   #cd /your folder 
-
-   #terraform plan  
-
-   #terraform apply  
-   
-   #yes
-
-
-
-Deploying vyos in the Vsphere infrastructia
--------------------------------------------
-With the help of terraforms, you can quickly deploy Vyos-based infrastructure in the vSphere.
-
-Structure of files Terrafom
-
-.. code-block:: none
-
- .
- ├── main.tf
- ├── versions.tf
- ├── variables.tf
- └── terraform.tfvars
- 
-File contents
--------------
-
-main.tf
-
-.. code-block:: none
-
-  provider "vsphere" {
-    user           = var.vsphere_user
-    password       = var.vsphere_password
-    vsphere_server = var.vsphere_server
-    allow_unverified_ssl = true
-  }
-  
-  data "vsphere_datacenter" "datacenter" {
-    name = var.datacenter
-  }
-  
-  data "vsphere_datastore" "datastore" {
-    name          = var.datastore
-    datacenter_id = data.vsphere_datacenter.datacenter.id
-  }
-  
-  data "vsphere_compute_cluster" "cluster" {
-    name          = var.cluster
-    datacenter_id = data.vsphere_datacenter.datacenter.id
-  }
-  
-  data "vsphere_resource_pool" "default" {
-    name          = format("%s%s", data.vsphere_compute_cluster.cluster.name, "/Resources/terraform")  # set as you need
-    datacenter_id = data.vsphere_datacenter.datacenter.id
-  }
-  
-  data "vsphere_host" "host" {
-    name          = var.host
-    datacenter_id = data.vsphere_datacenter.datacenter.id
-  }
-  
-  data "vsphere_network" "network" {
-    name          = var.network_name
-    datacenter_id = data.vsphere_datacenter.datacenter.id
-  }
-  
-  ## Deployment of VM from Remote OVF
-  resource "vsphere_virtual_machine" "vmFromRemoteOvf" {
-    name                 = var.remotename
-    datacenter_id        = data.vsphere_datacenter.datacenter.id
-    datastore_id         = data.vsphere_datastore.datastore.id
-    host_system_id       = data.vsphere_host.host.id
-    resource_pool_id     = data.vsphere_resource_pool.default.id
-    network_interface {
-      network_id = data.vsphere_network.network.id
-    }
-    wait_for_guest_net_timeout = 2
-    wait_for_guest_ip_timeout  = 2
-  
-    ovf_deploy {
-      allow_unverified_ssl_cert = true
-      remote_ovf_url            = var.url_ova
-      disk_provisioning         = "thin"
-      ip_protocol               = "IPv4"
-      ip_allocation_policy = "dhcpPolicy"
-      ovf_network_map = {
-        "Network 1" = data.vsphere_network.network.id
-        "Network 2" = data.vsphere_network.network.id
-      }
-    }
-    vapp {
-      properties = {
-         "password"          = "12345678",
-         "local-hostname"    = "terraform_vyos"
-      }
-    }
-  }
-  
-  output "ip" {
-    description = "default ip address of the deployed VM"
-    value       = vsphere_virtual_machine.vmFromRemoteOvf.default_ip_address
-  }
-  
-  # IP of AZ instance copied to a file ip.txt in local system
-  
-  resource "local_file" "ip" {
-      content  = vsphere_virtual_machine.vmFromRemoteOvf.default_ip_address
-      filename = "ip.txt"
-  }
-  
-  #Connecting to the Ansible control node using SSH connection
-  
-  resource "null_resource" "nullremote1" {
-  depends_on = ["vsphere_virtual_machine.vmFromRemoteOvf"]
-  connection {
-   type     = "ssh"
-   user     = "root"
-   password = var.ansiblepassword
-   host = var.ansiblehost
-  
-  }
-  
-  # Copying the ip.txt file to the Ansible control node from local system
-  
-   provisioner "file" {
-      source      = "ip.txt"
-      destination = "/root/vsphere/ip.txt"
-         }
-  }
-  
-  resource "null_resource" "nullremote2" {
-  depends_on = ["vsphere_virtual_machine.vmFromRemoteOvf"]
-  connection {
-          type     = "ssh"
-          user     = "root"
-          password = var.ansiblepassword
-          host = var.ansiblehost
-  }
-  
-  # Command to run ansible playbook on remote Linux OS
-  
-  provisioner "remote-exec" {
-  
-      inline = [
-          "cd /root/vsphere/",
-          "ansible-playbook instance.yml"
-  ]
-  }
-  }
-
-
-versions.tf
-
-.. code-block:: none
-
-  # Copyright (c) HashiCorp, Inc.
-  # SPDX-License-Identifier: MPL-2.0
-  
-  terraform {
-    required_providers {
-      vsphere = {
-        source  = "hashicorp/vsphere"
-        version = "2.4.0"
-      }
-    }
-  }
-
-variables.tf
-
-.. code-block:: none
-
-  # Copyright (c) HashiCorp, Inc.
-  # SPDX-License-Identifier: MPL-2.0
-  
-  variable "vsphere_server" {
-    description = "vSphere server"
-    type        = string
-  }
-  
-  variable "vsphere_user" {
-    description = "vSphere username"
-    type        = string
-  }
-  
-  variable "vsphere_password" {
-    description = "vSphere password"
-    type        = string
-    sensitive   = true
-  }
-  
-  variable "datacenter" {
-    description = "vSphere data center"
-    type        = string
-  }
-  
-  variable "cluster" {
-    description = "vSphere cluster"
-    type        = string
-  }
-  
-  variable "datastore" {
-    description = "vSphere datastore"
-    type        = string
-  }
-  
-  variable "network_name" {
-    description = "vSphere network name"
-    type        = string
-  }
-  
-  variable "host" {
-    description = "name if yor host"
-    type        = string
-  }
-  
-  variable "remotename" {
-    description = "the name of you VM"
-    type        = string
-  }
-  
-  variable "url_ova" {
-    description = "the URL to .OVA file or cloude store"
-    type        = string
-  }
-  
-  variable "ansiblepassword" {
-    description = "Ansible password"
-    type        = string
-  }
-  
-  variable "ansiblehost" {
-    description = "Ansible host name or IP"
-    type        = string
-  }
-
-terraform.tfvars
-
-.. code-block:: none
-
-  vsphere_user       = ""
-  vsphere_password   = ""
-  vsphere_server     = ""
-  datacenter         = ""
-  datastore          = ""
-  cluster            = ""
-  network_name       = ""
-  host               = ""
-  url_ova            = ""
-  ansiblepassword    = ""
-  ansiblehost        = ""
-  remotename         = ""
-
-Azure_terraform_ansible_single_vyos_instance
---------------------------------------------
-
-How to create a single instance and install your configuration using Terraform+Ansible+Vsphere 
-Step by step:
-
-Vsphere
--------
-
-1.1 Collect all data in to file "terraform.tfvars" and create resources fo example "terraform"
-
-Terraform
----------
-
-2.1 Create a UNIX or Windows instance
-
-2.2 Download and install Terraform
-
-2.3 Create the folder for example ../vsphere/
-
-2.4 Copy all files from my folder /Terraform into your Terraform project
-
-2.5 Type the commands :
-
-   #cd /your folder
-   
-   #terraform init
-
-
-Ansible
--------
-
-3.1 Create a UNIX instance
-
-3.2 Download and install Ansible
-
-3.3 Create the folder for example /root/vsphere/
-
-3.4 Copy all files from my folder /Ansible into your Ansible project (ansible.cfg, instance.yml and /group_vars)
-
-Start 
------
-
-4.1 Type the commands on your Terrafom instance:
-   
-   #cd /your folder 
-
-   #terraform plan  
-
-   #terraform apply  
-   
-   #yes
-