Module: Dapp::Kube::Dapp::Command::Deploy

Included in:
Dapp
Defined in:
lib/dapp/kube/dapp/command/deploy.rb

Instance Method Summary collapse

Instance Method Details

#kube_chart_secret_values_path ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 197

def kube_chart_secret_values_path
  kube_chart_path('secret-values.yaml').expand_path
end

#kube_check_helm_chart! ⇒ Object

Raises:



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 170

def kube_check_helm_chart!
  raise Error::Command, code: :project_helm_chart_not_found, data: { path: kube_chart_path } unless kube_chart_path.exist?
end

#kube_copy_chart ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 40

def kube_copy_chart
  FileUtils.cp_r("#{kube_chart_path}/.", kube_tmp_chart_path)
end

#kube_delete_job!(name) ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 110

def kube_delete_job!(name)
  kubernetes.delete_job!(name)
  loop do
    break unless kubernetes.job?(name)
    sleep 1
  end
end

#kube_deploy ⇒ Object

Raises:



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 6

def kube_deploy
  raise Error::Command, code: :helm_directory_not_exist unless kube_chart_path.exist?
  kube_check_helm!
  kube_check_helm_chart!

  repo = option_repo
  image_version = options[:image_version]
  validate_repo_name!(repo)
  validate_tag_name!(image_version)

  # TODO: Перенести код процесса выката в Helm::Manager

  with_kube_tmp_chart_dir do
    kube_copy_chart
    kube_helm_decode_secrets
    kube_generate_helm_chart_tpl

    release = Helm::Release.new(
      self,
      name: kube_release_name,
      repo: repo,
      image_version: image_version,
      namespace: kube_namespace,
      chart_path: kube_tmp_chart_path,
      set: self.options[:helm_set_options],
      values: [*kube_values_paths, *kube_tmp_chart_secret_values_paths],
      deploy_timeout: self.options[:timeout] || 300
    )

    kube_flush_hooks_jobs(release)
    kube_run_deploy(release)
  end
end

#kube_flush_hooks_jobs(release) ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 97

def kube_flush_hooks_jobs(release)
  release.hooks.values
    .reject { |job| ['0', 'false'].include? job.annotations["dapp/recreate"].to_s }
    .select { |job| kube_job_list.include? job.name }
    .each do |job|
      log_process("Delete hooks job `#{job.name}` for release #{release.name}", short: true) { kube_delete_job!(job.name) }
    end
end

#kube_generate_helm_chart_tpl ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 73

def kube_generate_helm_chart_tpl
  cont = <<-EOF
{{/* vim: set filetype=mustache: */}}

{{- define "dimg" -}}
{{- if (ge (len (index .)) 2) -}}
{{- $name := index . 0 -}}
{{- $context := index . 1 -}}
{{- printf "%s:%s-%s" $context.Values.global.dapp.repo $name $context.Values.global.dapp.image_version -}}
{{- else -}}
{{- $context := index . 0 -}}
{{- printf "%s:%s" $context.Values.global.dapp.repo $context.Values.global.dapp.image_version -}}
{{- end -}}
{{- end -}}

{{- define "dapp_secret_file" -}}
{{- $relative_file_path := index . 0 -}}
{{- $context := index . 1 -}}
{{- $context.Files.Get (print "#{kube_tmp_chart_secret_path.subpath_of(kube_tmp_chart_path)}/" $relative_file_path) -}}
{{- end -}}
  EOF
  kube_tmp_chart_path('templates/_dapp_helpers.tpl').write(cont)
end

#kube_helm_decode_secret_files ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 63

def kube_helm_decode_secret_files
  return unless kube_chart_secret_path.directory?
  Dir.glob(kube_chart_secret_path.join('**/*')).each do |entry|
    next unless File.file?(entry)
    secret_relative_path = Pathname(entry).subpath_of(kube_chart_secret_path)
    secret_data = secret.extract(IO.binread(entry).chomp("\n"))
    File.open(kube_tmp_chart_secret_path(secret_relative_path), 'wb:ASCII-8BIT', 0400) {|f| f.write secret_data}
  end
end

#kube_helm_decode_secret_values ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 56

def kube_helm_decode_secret_values
  kube_secret_values_paths.each_with_index do |secret_values_file, index|
    decoded_data = kube_helm_decode_json(secret, yaml_load_file(secret_values_file))
    kube_tmp_chart_secret_values_paths[index].write(decoded_data.to_yaml)
  end
end

#kube_helm_decode_secrets ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 44

def kube_helm_decode_secrets
  if secret.nil?
    log_warning(desc: {
      code: :dapp_secret_key_not_found,
      data: {not_found_in: secret_key_not_found_in.join(', ')}
    }) if !kube_secret_values_paths.empty? || kube_chart_secret_path.directory?
  else
    kube_helm_decode_secret_files
  end
  kube_helm_decode_secret_values
end

#kube_helm_manager ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 201

def kube_helm_manager
  @kube_helm_manager ||= Helm::Manager.new(self)
end

#kube_job_list ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 106

def kube_job_list
  kubernetes.job_list['items'].map { |i| i['metadata']['name'] }
end

#kube_run_deploy(release) ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 118

def kube_run_deploy(release)
  log_process("Deploy release #{release.name}") do
    release_exists = shellout("helm status #{release.name}").status.success?

    watch_hooks_by_type = release.jobs.values
      .reduce({}) do |res, job|
        if job.annotations['dapp/watch-logs'].to_s == 'true'
          job.annotations['helm.sh/hook'].to_s.split(',').each do |hook_type|
            res[hook_type] ||= []
            res[hook_type] << job
          end
        end

        res
      end
      .tap do |res|
        res.values.each do |jobs|
          jobs.sort_by! {|job| job.annotations['helm.sh/hook-weight'].to_i}
        end
      end

    watch_hooks = if release_exists
      watch_hooks_by_type['pre-upgrade'].to_a + watch_hooks_by_type['post-upgrade'].to_a
    else
      watch_hooks_by_type['pre-install'].to_a + watch_hooks_by_type['post-install'].to_a
    end

    watch_hooks_thr = Thread.new do
      watch_hooks.each {|job| Kubernetes::Manager::Job.new(self, job.name).watch_till_done!}
    end

    deployment_managers = release.deployments.values
      .map {|deployment| Kubernetes::Manager::Deployment.new(self, deployment.name)}

    deployment_managers.each(&:before_deploy)

    release.deploy!

    deployment_managers.each(&:after_deploy)

    watch_hooks_thr.kill if watch_hooks_thr.alive?

    begin
      ::Timeout::timeout(self.options[:timeout] || 300) do
        deployment_managers.each {|deployment_manager| deployment_manager.watch_till_ready!}
      end
    rescue ::Timeout::Error
      raise Error::Base, code: :deploy_timeout
    end
  end
end

#kube_secret_values_paths ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 188

def kube_secret_values_paths
  @kube_chart_secret_values_files ||= [].tap do |files|
    files << kube_chart_secret_values_path if kube_chart_secret_values_path.file?
    files.concat(options[:helm_secret_values_options].map { |p| Pathname(p).expand_path }.each do |f|
      raise Error::Command, code: :secret_values_file_not_found, data: { path: f } unless f.file?
    end)
  end
end

#kube_tmp_chart_secret_path(*path) ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 174

def kube_tmp_chart_secret_path(*path)
  kube_tmp_chart_path('decoded-secret', *path).tap { |p| p.parent.mkpath }
end

#kube_tmp_chart_secret_values_paths ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 184

def kube_tmp_chart_secret_values_paths
  @kube_tmp_chart_secret_values_paths ||= kube_secret_values_paths.map { |f| kube_tmp_chart_path("#{SecureRandom.uuid}-#{f.basename}") }
end

#kube_values_paths ⇒ Object 



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# File 'lib/dapp/kube/dapp/command/deploy.rb', line 178

def kube_values_paths
  self.options[:helm_values_options].map { |p| Pathname(p).expand_path }.each do |f|
    raise Error::Command, code: :values_file_not_found, data: { path: f } unless f.file?
  end
end