Added blockscout role

Vagrantfile

@@ -3,7 +3,7 @@ ENV["LC_ALL"] = "en_US.UTF-8"
 
 Vagrant.configure("2") do |config|
 
-  servers = [ "validator", "explorer", "moc", "bootnode", "netstat" ]
+  servers = [ "validator", "explorer", "moc", "bootnode", "netstat", "blockscout" ]
 
   platform_os = ENV["poa_platform"]
   if platform_os == "ubuntu"
@@ -19,6 +19,10 @@ Vagrant.configure("2") do |config|
       node.vm.box = platform
       node.vm.hostname = machine
 
+      if machine == "blockscout"
+        node.vm.network "forwarded_port", guest: 4000, host: 4001
+      end
+
       node.vm.provision :ansible do |ansible|
 		ansible.compatibility_mode = "2.0"
         ansible.playbook = "site.yml"
@@ -28,8 +32,9 @@ Vagrant.configure("2") do |config|
           "netstat" => ["netstat"],
           "moc" => ["moc"],
           "bootnode" => ["bootnode"],
+          "blockscout" => ["blockscout"],
         }
-        ansible.groups[platform_os] = [ "validator", "explorer", "netstat", "moc", "bootnode" ]        
+        ansible.groups[platform_os] = [ "validator", "explorer", "netstat", "moc", "bootnode", "blockscout" ]
       end
 
       node.vm.provision :shell do |shell|

blockscout.yml

@@ -0,0 +1,4 @@
+- hosts: blockscout
+  become: True
+  roles:
+  - blockscout

group_vars/blockscout.yml.example

@@ -0,0 +1,16 @@
+username: "blockscout"
+users:
+- name: "{{ username }}"
+home: "/home/{{ username }}"
+
+nginx_headers: "off"
+PROXY_PORT: "3000"
+configure_extended_tcp_settings: false
+
+install_debug_tools: "yes"
+reboot_after_completion: false
+
+blockscout_version: "master"
+postgres_password: "dhu4Hfdlllf2htHYbjeeuhy34"
+db_user: "blockscout"
+db_user_password: "dvYYTbhdhuuOLMf74ghu"

roles/blockscout/defaults/main.yml

@@ -0,0 +1,27 @@
+---
+
+user: ubuntu
+
+allow_explorer_ssh: true
+allow_explorer_p2p: true
+allow_explorer_http: true
+
+username: "blockscout"
+users:
+- name: "{{ username }}"
+home: "/home/{{ username }}"
+
+nginx_headers: "off"
+PROXY_PORT: "3000"
+
+MAIN_REPO_FETCH: "poanetwork"
+MOC_ADDRESS: "0xdd0bb0e2a1594240fed0c2f2c17c1e9ab4f87126"
+
+reboot_after_completion: false
+install_debug_tools: "no"
+install_firewall: false
+
+blockscout_version: "master"
+postgres_password: "dhu4Hfdlllf2htHYbjeeuhy34"
+db_user: "blockscout"
+db_user_password: "dvYYTbhdhuuOLMf74ghu"

roles/blockscout/meta/main.yml

@@ -0,0 +1,9 @@
+dependencies:
+- { role: usermanager }
+- { role: preconf }
+- { role: nodejs }
+- { role: poa-logrotate }
+- { role: poa-parity }
+- { role: poa-pm2 }
+- { role: nginx }
+- { role: debug-tools, when: "install_debug_tools == 'yes'" }

roles/blockscout/tasks/main.yml

@@ -0,0 +1,89 @@
+---
+
+- name: Add ubuntu/erlang_solutions signing key
+  apt_key:
+    url: https://packages.erlang-solutions.com/ubuntu/erlang_solutions.asc
+    state: present
+
+- name: Add erlang-solutions repository into sources list
+  apt_repository:
+    repo: deb https://packages.erlang-solutions.com/ubuntu xenial contrib
+    state: present
+
+- name: Install erlang and elixir
+  apt:
+    pkg: "{{ item }}"
+    state: present
+    update_cache: yes
+    cache_valid_time: 3600
+  with_items:
+    - esl-erlang
+    - elixir
+
+- name: Add  PostgreSQL signing key
+  become: True
+  shell: wget -q https://www.postgresql.org/media/keys/ACCC4CF8.asc -O - | apt-key add -
+
+- name: Add PostgreSQL into sources list
+  become: True
+  shell: sh -c 'echo "deb http://apt.postgresql.org/pub/repos/apt/ `lsb_release -cs`-pgdg main" >> /etc/apt/sources.list.d/pgdg.list'
+
+- name: Install PostgreSQL
+  become: True
+  shell: apt-get update && apt-get install postgresql postgresql-contrib -y
+
+- name: Install tools
+  apt:
+     pkg: "{{ item }}"
+     state: present
+     update_cache: yes
+     cache_valid_time: 3600
+  with_items:
+    - automake
+    - libtool
+    - libpng-dev
+    - zlib1g-dev
+
+- name: Clone poanetwork/blockscout repo from GitHub
+  git:
+    repo: "https://github.com/{{ MAIN_REPO_FETCH }}/blockscout"
+    dest: "{{ home }}/blockscout"
+    version: "{{ blockscout_version }}"
+
+- name: Add explorer dev.secret
+  template:
+    src: dev.secret.j2
+    dest: "{{ home }}/blockscout/apps/explorer/config/dev.secret.exs"
+
+- name: Add block_scout_web dev.secret
+  shell: cp {{ home }}/blockscout/apps/block_scout_web/config/dev.secret.exs.example {{ home }}/blockscout/apps/block_scout_web/config/dev.secret.exs
+
+- name: Install dependencies
+  shell: cd {{ home }}/blockscout && mix local.hex --force && mix do deps.get, local.rebar --force, deps.compile, compile
+
+- name: Change postgres password
+  shell: sudo -u postgres psql -c "alter user postgres with encrypted password '{{ postgres_password }}';"
+
+- name: Create db user
+  shell: sudo -u postgres psql -c "create user  {{ db_user }};"
+
+- name: Make db user a superuser
+  shell: sudo -u postgres psql -c "alter user {{ db_user }} with superuser;"
+
+- name: Set password for db user
+  shell: sudo -u postgres psql -c "alter user {{ db_user }} with encrypted password '{{ db_user_password }}';"
+
+- name: Create db
+  shell: cd {{ home }}/blockscout && mix do ecto.create, ecto.migrate
+
+- name: Install node dependensies in the apps/block_scout_web
+  shell: cd {{ home }}/blockscout/apps/block_scout_web/assets && npm install; cd -
+
+- name: Install node-sass
+  shell: cd {{ home }}/blockscout/apps/block_scout_web/assets && npm install node-sass --unsafe-perm; cd -
+
+- name: Install node dependensies in the apps/explorer
+  shell: cd {{ home }}/blockscout/apps/explorer && npm install; cd -
+
+- name: Start server
+  shell: cd {{ home }}/blockscout && mix phx.server

roles/blockscout/templates/dev.secret.j2

@@ -0,0 +1,6 @@
+use Mix.Config
+
+config :explorer, Explorer.Repo,
+  username: "{{ db_user }}",
+  password: "{{ db_user_password }}"
+

site.yml

@@ -17,3 +17,7 @@
 - name: Validator deployment
   import_playbook: validator.yml
   tags: validator
+
+- name: Blockscout deployment
+  import_playbook: blockscout.yml
+  tags: blockscout

tests/blockscout.sh

@@ -0,0 +1,3 @@
+#!/bin/sh
+
+echo "This is a stub for blockscout integration tests"