Module: Legion::Transport::TenantProvisioner

Extended by:
Logging::Helper
Defined in:
lib/legion/transport/tenant_provisioner.rb

Constant Summary collapse

EXCHANGE_TYPES = 
%w[tasks results events].freeze

Class Method Summary collapse

Class Method Details

.deprovision(tenant_id, channel: nil) ⇒ Object 



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# File 'lib/legion/transport/tenant_provisioner.rb', line 32

def self.deprovision(tenant_id, channel: nil)
  return log.debug('Skipping deprovision: topology disabled') unless TenantTopology.enabled?

  tid = tenant_id.to_s.strip
  if tid.empty? || tid == 'default'
    log.warn "Skipping deprovision: refusing to delete global exchanges for tenant_id=#{tenant_id.inspect}"
    return
  end

  ch = channel || Legion::Transport::Connection.channel
  begin
    (EXCHANGE_TYPES + ['dlx']).each do |type|
      name = TenantTopology.exchange_name(type, tenant_id: tenant_id)
      begin
        ch.exchange_delete(name)
      rescue StandardError => e
        handle_exception(e, level: :warn, handled: true, operation: 'transport.tenant_provisioner.deprovision_exchange',
                         tenant_id: tenant_id, exchange_name: name)
        nil
      end
    end
  ensure
    ch.close if ch.respond_to?(:close) && !channel
  end
  log.info "Deprovisioned tenant topology for tenant_id=#{tenant_id}"
rescue StandardError => e
  handle_exception(e, level: :warn, handled: false, operation: 'transport.tenant_provisioner.deprovision',
                   tenant_id: tenant_id)
  raise
end

.provision(tenant_id, channel: nil) ⇒ Object 



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# File 'lib/legion/transport/tenant_provisioner.rb', line 13

def self.provision(tenant_id, channel: nil)
  ch = channel || Legion::Transport::Connection.channel
  begin
    EXCHANGE_TYPES.each do |type|
      name = TenantTopology.exchange_name(type, tenant_id: tenant_id)
      ch.topic(name, durable: true)
    end
    dlx = TenantTopology.exchange_name('dlx', tenant_id: tenant_id)
    ch.fanout(dlx, durable: true)
  ensure
    ch.close if ch.respond_to?(:close) && !channel
  end
  log.info "Provisioned tenant topology for tenant_id=#{tenant_id}"
rescue StandardError => e
  handle_exception(e, level: :warn, handled: false, operation: 'transport.tenant_provisioner.provision',
                   tenant_id: tenant_id)
  raise
end