Class: Mamiya::Master::PackageStatus

Inherits:
Object
  • Object
show all
Defined in:
lib/mamiya/master/package_status.rb

Overview

This class determines distribution and releasing status of given package using given AgentMonitor.

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(agent_monitor, application, package, labels: nil) ⇒ PackageStatus 



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# File 'lib/mamiya/master/package_status.rb', line 8

def initialize(agent_monitor, application, package, labels: nil)
  @application = application
  @package = package
  @labels = labels
  @agents = agent_monitor.statuses(labels: labels).reject { |_, s| s['master'] }
end

Instance Attribute Details

#agents ⇒ Object (readonly)

Returns the value of attribute agents.



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# File 'lib/mamiya/master/package_status.rb', line 15

def agents
  @agents
end

#application ⇒ Object (readonly)

Returns the value of attribute application.



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# File 'lib/mamiya/master/package_status.rb', line 15

def application
  @application
end

#labels ⇒ Object (readonly)

Returns the value of attribute labels.



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# File 'lib/mamiya/master/package_status.rb', line 15

def labels
  @labels
end

#package ⇒ Object (readonly)

Returns the value of attribute package.



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# File 'lib/mamiya/master/package_status.rb', line 15

def package
  @package
end

Instance Method Details

#current_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 150

def current_agents
  @current_agents ||= agents.select do |name, agent|
    current = agent['currents'] && agent['currents'][application]
    current == package
  end.keys
end

#fetch_queued_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 88

def fetch_queued_agents
  @fetch_queued_agents ||= agents.select do |name, agent|
    queue = agent['queues'] && agent['queues']['fetch'] && agent['queues']['fetch']['queue']
    queue && queue.any? { |task|
      app_and_pkg == task.values_at('app', 'pkg')
    }
  end.keys - fetched_agents
end

#fetched_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 104

def fetched_agents
  @fetched_agents ||= agents.select do |name, agent|
    packages = agent['packages'] && agent['packages'][application]
    packages && packages.include?(package)
  end.keys
end

#fetching_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 97

def fetching_agents
  @fetching_agents ||= agents.select do |name, agent|
    task = agent['queues'] && agent['queues']['fetch'] && agent['queues']['fetch'] && agent['queues']['fetch']['working']
    task && app_and_pkg == task.values_at('app', 'pkg')
  end.keys - fetched_agents
end

#non_participants ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 163

def non_participants
  agents.keys - participants
end

#participants ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 157

def participants
  (fetch_queued_agents   + fetching_agents  + fetched_agents  + \
  prepare_queued_agents + preparing_agents + prepared_agents + \
  switch_queued_agents  + switching_agents + current_agents).uniq
end

#prepare_queued_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 111

def prepare_queued_agents
  @prepare_queued_agents ||= agents.select do |name, agent|
    queue = agent['queues'] && agent['queues']['prepare'] && agent['queues']['prepare']['queue']
    queue && queue.any? { |task|
      app_and_pkg == task.values_at('app', 'pkg')
    }
  end.keys - prepared_agents
end

#prepared_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 127

def prepared_agents
  @prepare_agents ||= agents.select do |name, agent|
    packages = agent['prereleases'] && agent['prereleases'][application]
    packages && packages.include?(package)
  end.keys
end

#preparing_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 120

def preparing_agents
  @preparing_agents ||= agents.select do |name, agent|
    task = agent['queues'] && agent['queues']['prepare'] && agent['queues']['prepare'] && agent['queues']['prepare']['working']
    task && app_and_pkg == task.values_at('app', 'pkg')
  end.keys - prepared_agents
end

#reload ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 167

def reload
  @agents = nil
end

#status ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 44

def status
  [].tap do |s|
    working = false

    case
    when fetched_agents == agents.keys
      s << :distributed
    when !fetching_agents.empty? || !fetch_queued_agents.empty?
      working = true
      s << :distributing
    end
    if fetched_agents != agents.keys && !fetched_agents.empty?
      s << :partially_distributed
    end

    # TODO: FIXME: tests
    case
    when prepared_agents == agents.keys
      s << :prepared
    when !preparing_agents.empty? || !prepare_queued_agents.empty?
      working = true
      s << :preparing
    end
    if prepared_agents != agents.keys && !prepared_agents.empty?
      s << :partially_prepared
    end

    # TODO: FIXME: tests
    case
    when current_agents == agents.keys
      s << :active
    when !current_agents.empty? || !switch_queued_agents.empty?
      working = true
      s << :switching
    end
    if current_agents != agents.keys && !current_agents.empty?
      s << :partially_active
    end

    s << :unknown if s.empty?
    s << :working if working
  end
end

#switch_queued_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 134

def switch_queued_agents
  @switch_queued_agents ||= agents.select do |name, agent|
    queue = agent['queues'] && agent['queues']['switch'] && agent['queues']['switch']['queue']
    queue && queue.any? { |task|
      app_and_pkg == task.values_at('app', 'pkg')
    }
  end.keys - current_agents
end

#switching_agents ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 143

def switching_agents
  @switching_agents ||= agents.select do |name, agent|
    task = agent['queues'] && agent['queues']['switch'] && agent['queues']['switch'] && agent['queues']['switch']['working']
    task && app_and_pkg == task.values_at('app', 'pkg')
  end.keys - current_agents
end

#to_hash ⇒ Object 



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# File 'lib/mamiya/master/package_status.rb', line 17

def to_hash
  {
    application: application,
    package: package,
    labels: labels,
    status: status,
    participants_count: participants.size,
    non_participants: non_participants,
    active: current_agents,
    fetch: {
      queued: fetch_queued_agents,
      working: fetching_agents,
      done: fetched_agents,
    },
    prepare: {
      queued: prepare_queued_agents,
      working: preparing_agents,
      done: prepared_agents,
    },
    switch: {
      queued: switch_queued_agents,
      working: switching_agents,
      done: current_agents,
    },
  }
end