Add playbooks to setup and run nitro node

nitro-node-setup/README.md

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+# nitro-node-setup
+
+## Setup Ansible
+
+To get started, follow the [installation](../../README.md#installation) guide to setup ansible on your machine
+
+## Run a nitro node
+
+The following commands have to be executed in [`nitro-node-setup`](./) directory
+
+- Copy the `nitro-vars-example.yml` vars file
+
+  ```bash
+  cp nitro-vars-example.yml nitro-vars.yml
+  ```
+
+- Edit [`nitro-vars.yml`](./nitro-vars.yml) and fill in the following values
+
+  ```bash
+  # URL endpoint of the L1 chain
+  l1_nitro_chain_url: ""
+
+  # URL endpoint of the L2 chain
+  l2_nitro_chain_url: ""
+
+  # Private key for your nitro address
+  nitro_sc_pk: ""
+
+  # Private key of the account on chain that is used for funding channels in Nitro node
+  nitro_chain_pk: ""
+
+  # Contract address of NitroAdjudicator
+  na_address: ""
+
+  # Contract address of VirtualPaymentApp
+  vpa_address: ""
+
+  # Contract address of ConsensusApp
+  ca_address: ""
+
+  # Address of the bridge node
+  bridge_contract_address: ""
+
+  # Multi address of the bridge node
+  nitro_bridge_multiaddr ""
+
+  # Multi address of your nitro node
+  nitro_node_multiaddr: ""
+  ```
+
+- To run a nitro node, execute the `run-nitro-node.yml` Ansible playbook by running the following command.
+
+  NOTE: By default, deployments are created in the `nitro-node-setup/out` directory. If you need to change this location, you can update the `nitro_directory` variable in the [setup-vars.yml](./setup-vars.yml) file.
+
+  ```bash
+  LANG=en_US.utf8 ansible-playbook -i localhost, --connection=local run-nitro-node.yml --extra-vars='{ "target_host": "localhost"}' --user $USER
+  ```
+
+  - If you want to skip building the containers, set `"skip_container_build" : true` in the `--extra-vars` parameter:
+
+    ```bash
+    LANG=en_US.utf8 ansible-playbook -i localhost, --connection=local run-nitro-node.yml --extra-vars='{ "target_host": "localhost", "skip_container_build": true }' --user $USER
+    ```
+
+- Follow steps from [Demo](https://git.vdb.to/cerc-io/nitro-stack/src/branch/main/nitro-bridge-demo.md#demo) to create mirror channels on L2, create virtual channel and make payments

nitro-node-setup/nitro-vars-example.yml

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+l1_nitro_chain_url: ""
+l2_nitro_chain_url: ""
+nitro_sc_pk: ""
+nitro_chain_pk: ""
+na_address: ""
+vpa_address: ""
+ca_address: ""
+bridge_contract_address: ""
+nitro_bridge_ip: ""
+nitro_node_ip: ""
+nitro_bridge_multiaddr: ""
+nitro_node_multiaddr: ""

nitro-node-setup/run-nitro-node.yml

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+- name: Setup and run a nitro node
+  hosts: "{{ target_host }}"
+
+  vars_files:
+    - setup-vars.yml
+    - nitro-vars.yml
+
+  environment:
+    PATH: "{{ ansible_env.PATH }}:/home/{{ansible_user}}/bin"
+
+  tasks:
+    - name: Create directory for nitro-stack
+      file:
+        path: "{{ nitro_directory }}"
+        state: directory
+
+    - name: Change owner of nitro-directory
+      file:
+        path: "{{ nitro_directory }}"
+        owner: "{{ansible_user}}"
+        group: "{{ansible_user}}"
+        state: directory
+        recurse: yes
+
+    - name: Clone go-nitro stack repo
+      command: laconic-so fetch-stack git.vdb.to/cerc-io/nitro-stack --git-ssh --pull
+      ignore_errors: yes
+
+    - name: Clone repositories required for nitro-stack
+      command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node setup-repositories --git-ssh --pull
+      ignore_errors: yes
+
+    - name: Build containers
+      command: laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node build-containers --force-rebuild
+      when: not skip_container_build
+
+    - name: Copy over spec file for L1 nitro node
+      template:
+        src: "./templates/specs/l1-nitro-spec.yml.j2"
+        dest: "{{ nitro_directory }}/l1-nitro-spec.yml"
+
+    - name: Copy over spec file for L2 nitro node
+      template:
+        src: "./templates/specs/l2-nitro-spec.yml.j2"
+        dest: "{{ nitro_directory }}/l2-nitro-spec.yml"
+
+    - name: Check if deployment exists for L1 nitro node
+      stat:
+        path: "{{ nitro_directory }}/l1-nitro-deployment"
+      register: l1_deployment
+
+    - name: Create a deployment for L1 nitro node
+      command:  laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node deploy create --spec-file l1-nitro-spec.yml --deployment-dir l1-nitro-deployment
+      args:
+        chdir: "{{ nitro_directory }}"
+      when: not l1_deployment.stat.exists
+
+    - name: Check if deployment exists for L2 nitro node
+      stat:
+        path: "{{ nitro_directory }}/l2-nitro-deployment"
+      register: l2_deployment
+
+    - name: Create a deployment for L2 nitro node
+      command:  laconic-so --stack ~/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node deploy create --spec-file l2-nitro-spec.yml --deployment-dir l2-nitro-deployment
+      args:
+        chdir: "{{ nitro_directory }}"
+      when: not l2_deployment.stat.exists
+
+    - name: Check if the config.env file is empty for L1 deployment
+      shell: "[ -s {{ nitro_directory }}/l1-nitro-deployment/config.env ] && echo 'File is not empty' || echo 'File is empty'"
+      register: file_check_result
+
+    - name: Display the result of the file check
+      debug:
+        msg: "{{ file_check_result.stdout }}"
+
+    - name: Copy config.env for L1 nitro deployment if it is empty
+      template:
+        src: "./templates/configs/l1-nitro-config.env.j2"
+        dest:  "{{ nitro_directory }}/l1-nitro-deployment/config.env"
+      when: file_check_result.stdout == 'File is empty'
+
+    - name: Check if the config.env file is empty for L2 deployment
+      shell: "[ -s {{ nitro_directory }}/l2-nitro-deployment/config.env ] && echo 'File is not empty' || echo 'File is empty'"
+      register: file_check_result
+
+    - name: Display the result of the file check
+      debug:
+        msg: "{{ file_check_result.stdout }}"
+
+    - name: Copy config.env for L2 nitro deployment if it is empty
+      template:
+        src: "./templates/configs/l2-nitro-config.env.j2"
+        dest:  "{{ nitro_directory }}/l2-nitro-deployment/config.env"
+      when: file_check_result.stdout == 'File is empty'
+
+    - name: Start deployment for L1 nitro node
+      command: laconic-so deployment --dir l1-nitro-deployment start
+      args:
+        chdir: "{{ nitro_directory }}"
+
+    - name: Start deployment for L2 nitro node
+      command: laconic-so deployment --dir l2-nitro-deployment start
+      args:
+        chdir: "{{ nitro_directory }}"

nitro-node-setup/setup-vars.yml

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+target_host: "localhost"
+nitro_directory: ./out
+skip_container_build: false

nitro-node-setup/templates/configs/l1-nitro-config.env.j2

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+NITRO_CHAIN_URL={{ l1_nitro_chain_url }}
+NITRO_SC_PK={{ nitro_sc_pk }}
+NITRO_CHAIN_PK={{ nitro_chain_pk }}
+NA_ADDRESS={{ na_address }}
+VPA_ADDRESS={{ vpa_address }}
+CA_ADDRESS={{ ca_address }}
+NITRO_BOOTPEERS={{ nitro_bridge_multiaddr }}
+NITRO_EXT_MULTIADDR={{ nitro_node_multiaddr }}

nitro-node-setup/templates/configs/l2-nitro-config.env.j2

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+NITRO_CHAIN_URL={{ l2_nitro_chain_url }}
+NITRO_SC_PK={{ nitro_sc_pk }}
+NITRO_CHAIN_PK={{ nitro_chain_pk }}
+NA_ADDRESS={{ na_address }}
+VPA_ADDRESS={{ vpa_address }}
+CA_ADDRESS={{ ca_address }}
+BRIDGE_ADDRESS={{ bridge_contract_address }}
+NITRO_BOOTPEERS={{ nitro_bridge_multiaddr }}
+NITRO_EXT_MULTIADDR={{ nitro_node_multiaddr }}
+NITRO_L2=true

nitro-node-setup/templates/specs/l1-nitro-spec.yml.j2

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+stack: /home/{{ansible_user}}/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node
+deploy-to: compose
+network:
+  ports:
+    nitro-node:
+      - 3007:3005
+      - 4007:4005
+volumes:
+  nitro_node_data: ./data/nitro_node_data
+  nitro_node_tls: ./data/nitro_node_tls
+  nitro_node_caroot: ./data/nitro_node_caroot

nitro-node-setup/templates/specs/l2-nitro-spec.yml.j2

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+stack: /home/{{ansible_user}}/cerc/nitro-stack/stack-orchestrator/stacks/nitro-node
+deploy-to: compose
+network:
+  ports:
+    nitro-node:
+      - 3009:3005
+      - 4009:4005
+volumes:
+  nitro_node_data: ./data/nitro_node_data
+  nitro_node_tls: ./data/nitro_node_tls
+  nitro_node_caroot: ./data/nitro_node_caroot