Class: FocusCommon::AppInfo

Inherits:
Object
  • Object
show all
Defined in:
lib/focus_common/app_info.rb

Instance Method Summary collapse

Instance Method Details

#get_database_info ⇒ Object 



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# File 'lib/focus_common/app_info.rb', line 14

def get_database_info
  conn = ActiveRecord::Base.connection
  adapter = conn.adapter_name

  sql = \
  case adapter
  when "MSSQL"
    "SELECT @@VERSION"
  when "MySQL", "Mysql2", "PostgreSQL"
    "SELECT VERSION()"
  when "SQLServer"
    "SELECT @@VERSION"
  when "OracleEnhanced"
    "SELECT * FROM V$VERSION"
  when "SQLite"
    "SELECT SQLITE_VERSION()"
  else
    nil
  end

  v = sql ? conn.select_value(sql) : nil
  {version: v}
end

#get_database_time_info ⇒ Object 



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# File 'lib/focus_common/app_info.rb', line 3

def get_database_time_info
  conn = ActiveRecord::Base.connection
  if conn.class.name.demodulize == 'Mysql2Adapter'
    {zone: conn.execute("SELECT @@global.time_zone, @@session.time_zone;").to_a.flatten,
     time: conn.execute("select concat(now(), '');").to_a.flatten.first,
    }
  else
    {}
  end
end

#get_gems ⇒ Object 



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# File 'lib/focus_common/app_info.rb', line 102

def get_gems
  Gem::Specification.sort_by{ |g| [g.name.downcase, g.version] }
end

#get_info ⇒ Object 



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# File 'lib/focus_common/app_info.rb', line 51

def get_info
  db_time_info = self.get_database_time_info
  info = \
  {
    environment: {
      rails: Rails.env,
      stage: ENV['STAGE'],
    },
    version: {
      ruby: RUBY_VERSION,
      rails: Rails::VERSION::STRING,
      git: git_version,
      database: self.get_database_info[:version],
    },
    time: {
      system: {
        time: Time.now.to_s,
        zone: Time.now.zone,
      },
      rails: {
        time: Time.zone.now,
        zone: Time.zone.to_s,
      },
      database: {
        time: db_time_info[:time],
        global_zone: db_time_info[:zone].try(:first),
        session_zone: db_time_info[:zone].try(:second),
      },
    },
    important_gems: get_gems.map{|g| [g.name, g.version]}.to_h.slice(*self.important_gems),
  }

  if defined?(CbaDb)
    info[:cba_site] = \
    CbaDb.enabled_sites.map do |site|
      namespace = CbaDb.sites_info.fetch(site, {})[:db_name]
      [site, namespace]
    end.to_h
  end

  info
end

#git_version ⇒ Object 



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# File 'lib/focus_common/app_info.rb', line 38

def git_version
  if Rails.env.development?
    `git rev-parse HEAD`
  else
    filename = File.join(Rails.root, 'REVISION')
    if File.exists?(filename)
      File.read(filename).strip
    else
      nil
    end
  end
end

#important_gems ⇒ Object 



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# File 'lib/focus_common/app_info.rb', line 94

def important_gems
  ['sidekiq',
   'grape',
   'elasticsearch',
   'twitter-bootstrap-rails',
  ]
end