Class: InfraCommand

Inherits:
PangeaCommand show all
Includes:
Constants
Defined in:
lib/pangea/cli/subcommands/infra.rb

Constant Summary collapse

NAME = 
:infra

Constants included from Constants

Constants::ARTIFACT_FILE, Constants::CACHE_DIR, Constants::EXTENSIONS, Constants::PROJECT_SRC_DIRS, Constants::PROJECT_VERSION

Instance Method Summary collapse

Instance Method Details

#cfg_synth ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 60

def cfg_synth
  @cfg_synth ||= Config.resolve_configurations
end

#common_run_checks ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 90

def common_run_checks
  reject_empty_configurations
end

#config ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 86

def config
  Say.terminal JSON.pretty_generate(cfg_synth)
end

#help ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 38

def help
  <<~HELP
    Usage: pangea infra command [OPTIONS] SUBCOMMAND

    Arguments:
      SUBCOMMAND  subcommand for pangea infra

    Subcommands:
      plan    plan infrastructure
      apply   apply infrastructure
      config  show run configuration
  HELP
end

#pangea_home ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 52

def pangea_home
  File.join(Dir.home, %(.pangea))
end

#plan(argv) ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 64

def plan(argv)
  Say.terminal %(planning!)
  parse(argv)
  namespaces = cfg_synth[:namespace].keys.map(&:to_sym)
  namespaces.each do |namespace|
    system(%(mkdir -p #{File.join(terraform_files_home.to_s, namespace.to_s)})) unless Dir.exist?(
      File.join(
        terraform_files_home.to_s, namespace.to_s
      )
    )
    processed = process_modules(ns)
    template = processed[:template]
    ns_home = File.join(terraform_files_home, ns.to_s)
    File.write(
      File.join(ns_home, %(template.tf.json)),
      JSON[template]
    )
    system(%(cd #{ns_home} && terraform init))
    system(%(cd #{ns_home} && terraform plan))
  end
end

#process_modules(namespace) ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 94

def process_modules(namespace)
  template = {}
  namespaces = cfg_synth[:namespace].keys.map(&:to_sym)
  namespaces.each do |namespace_name|
    ns = cfg_synth[:namespace][namespace_name]
    context_names = ns.keys.map(&:to_sym)

    context_names.each do |cn|
      context = ns[cn]
      modules = context[:modules]

      next unless namespace_name.to_s.eql?(namespace.to_s)

      modules.each_key do |mod_key|
        mod = modules[mod_key]
        template.merge!(PangeaModule.process(mod))
      end
    end
  end
  { template: template, namespaces: cfg_synth[:namespace].keys.map(&:to_sym) }
end

#reject_empty_configurations ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 31

def reject_empty_configurations
  if cfg_synth.empty?
    Say.terminal %(configuration empty, exiting...)
    exit
  end
end

#run(argv) ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 116

def run(argv)
  common_run_checks

  if argv.length < 2
    puts help
    exit
  end

  config if argv[1].to_s.eql?(%(config))
  plan(argv) if argv[1].to_s.eql?(%(plan))
  apply(argv) if argv[1].to_s.eql?(%(apply))

  # preflight checks for the command execution
  # check_run
  # check_target(params[:target], cfg_synth)

  # targets = params[:target].split('.').map(&:to_sym)
  # process_target(targets, cfg_synth)

  ###########################################################################
  # modules
  # modules can be fetched from git or local path
  # modules can have a virtual environment to execute in
  ###########################################################################

  # namespaces = cfg_synth[:namespace].keys.map(&:to_sym)

  # namespaces.each do |namespace_name|
  #   namespace     = cfg_synth[:namespace][namespace_name]
  #   context_names = namespace.keys.map(&:to_sym)
  #
  #   context_names.each do |cn|
  #     context = namespace[cn]
  #     modules = context[:modules]
  #
  #     modules.each do |mod|
  #       PangeaModule.process(mod)
  #     end
  #   end
  # end

  ###########################################################################

  # provide some kind of default exit of the command execution
  # exit
end

#terraform_files_home ⇒ Object 



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# File 'lib/pangea/cli/subcommands/infra.rb', line 56

def terraform_files_home
  File.join(pangea_home, %(terraform))
end