Class: Indocker::DeploymentChecker

Inherits:
Object
  • Object
show all
Defined in:
lib/indocker/deployment_checker.rb

Instance Method Summary collapse

Constructor Details

#initialize(debug_logger, output_logger = nil) ⇒ DeploymentChecker

Returns a new instance of DeploymentChecker.



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# File 'lib/indocker/deployment_checker.rb', line 2

def initialize(debug_logger, output_logger = nil)
  @debug_logger = debug_logger

  if output_logger
    @logger = output_logger
  else
    @logger = Logger.new(STDOUT)
    @logger.formatter = debug_logger.formatter
  end
end

Instance Method Details

#launched?(container_name, configuration:, servers: nil) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/indocker/deployment_checker.rb', line 112

def launched?(container_name, configuration:, servers: nil)
  container = Indocker.containers.detect { |c| c.name == container_name.to_sym }
  hostnames = (container.get_start_option(:scale) || 1).times.map do |number|
    Indocker::ContainerHelper.hostname(configuration.name, container, number)
  end

  servers ||= container.servers.map(&:name)

  result = run(configuration: configuration, servers: container.servers.map(&:name), only_containers: [container.name])
  result[:missing_containers].empty?
end

#run(configuration:, servers:, only_containers: []) ⇒ Object 



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# File 'lib/indocker/deployment_checker.rb', line 13

def run(configuration:, servers:, only_containers: [])
  server_list = configuration.servers.map(&:name)

  server_list = servers.map do |server_name|
    server = configuration.servers.detect { |s| s.name == server_name }

    if !server
      @logger.error("Invalid server name specified :#{server_name} for configuration :#{configuration.name}")
      exit 1
    end

    server
  end

  if server_list.empty?
    server_list = configuration.servers
  end

  server_list = server_list.sort_by(&:name)

  @logger.info("Following servers will be checked:")

  server_list.each do |server|
    @logger.info("  - #{server.name}")
  end

  names_by_server = {}

  server_list.each do |server|
    names_by_server[server.name] = []
  end

  containers_by_server = Indocker
    .configuration
    .containers
    .select{ |container| only_containers.empty? || only_containers.include?(container.name) }
    .map do |container|
      (container.get_start_option(:scale) || 1).times do |number|
        container.servers.each do |server|
          names_by_server[server.name] << Indocker::ContainerHelper.hostname(configuration.name, container, number)
        end
      end
    end

  total_invalid_containers = []
  total_missing_containers = []
  
  server_list.each do |server|
    session = Indocker::SshSession.new(
      host: server.host,
      user: server.user,
      port: server.port,
      logger: @debug_logger
    )

    result = session.exec!('docker ps --filter="status=running" --format="{{.Names}}"')

    if !result.success?
      @logger.warn(result.stdout_data)
      @logger.warn(result.stderr_data)
      exit 1
    end

    names_list = result
      .stdout_data
      .strip
      .split("\n")

    invalid_containers = (names_list - names_by_server[server.name]).uniq

    total_invalid_containers += invalid_containers

    if !invalid_containers.empty?
      @logger.warn("EXTRA containers for server #{server.name.to_s.yellow}:")

      invalid_containers.each do |name|
        @logger.warn("  - #{name}")
      end
    end

    missing_containers = (names_by_server[server.name] - names_list).uniq
    missing_containers = missing_containers.select do |name|
      !(name.include?('migrations') || name.include?('gems_installer'))
    end

    total_missing_containers += missing_containers

    if !missing_containers.empty?
      @logger.warn("MISSING CONTAINERS for server #{server.name.to_s.yellow}:")

      missing_containers.each do |name|
        @logger.warn("  - #{name}")
      end
    end
  end

  { missing_containers: total_missing_containers, invalid_containers: total_invalid_containers }
end