Class: ConfCtl::Machine

Inherits:
Object
  • Object
show all
Defined in:
lib/confctl/machine.rb

Defined Under Namespace

Classes: CarriedMachine

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(opts, machine_list:) ⇒ Machine

Returns a new instance of Machine.

Parameters:



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# File 'lib/confctl/machine.rb', line 45

def initialize(opts, machine_list:)
  @meta = opts['metaConfig']
  @name = opts['name']
  @safe_name = name.gsub('/', ':')
  @managed = meta['managed']
  @spin = meta['spin']
  @is_carrier = meta.fetch('carrier', {}).fetch('enable', false)
  @carrier_name = opts['carrier']
  @cluster_name = opts['clusterName']
  @safe_cluster_name = cluster_name.gsub('/', ':')
  @carried_alias = opts['alias'] || @cluster_name
  @safe_carried_alias = @carried_alias.gsub('/', ':')
  @machine_list = machine_list
end

Instance Attribute Details

#carried_alias ⇒ String (readonly)

Alias for this machine on the carrier

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 34

def carried_alias
  @carried_alias
end

#carrier_name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 24

def carrier_name
  @carrier_name
end

#cluster_name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 27

def cluster_name
  @cluster_name
end

#managed ⇒ Boolean (readonly)

Returns:

  • (Boolean) 


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# File 'lib/confctl/machine.rb', line 18

def managed
  @managed
end

#meta ⇒ Hash (readonly)

Returns machine metadata.

Returns:

  • (Hash) —

    machine metadata



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# File 'lib/confctl/machine.rb', line 41

def meta
  @meta
end

#name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 12

def name
  @name
end

#safe_carried_alias ⇒ String (readonly)

Alias for this machine on the carrier

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 38

def safe_carried_alias
  @safe_carried_alias
end

#safe_cluster_name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 30

def safe_cluster_name
  @safe_cluster_name
end

#safe_name ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 15

def safe_name
  @safe_name
end

#spin ⇒ String (readonly)

Returns:

  • (String) 


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# File 'lib/confctl/machine.rb', line 21

def spin
  @spin
end

Instance Method Details

#[](key) ⇒ Object 



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# File 'lib/confctl/machine.rb', line 165

def [](key)
  if key.index('.')
    get(meta, key.split('.'))
  elsif key == 'name'
    name
  elsif key == 'checks'
    health_checks.length
  else
    meta[key]
  end
end

#carried? ⇒ Boolean

True if this machine is on a carrier

Returns:

  • (Boolean) 


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# File 'lib/confctl/machine.rb', line 78

def carried?
  !@carrier_name.nil?
end

#carried_machines ⇒ Array<CarriedMachine>

Returns:



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# File 'lib/confctl/machine.rb', line 66

def carried_machines
  meta.fetch('carrier', {}).fetch('machines', []).map do |m|
    CarriedMachine.new(
      carrier: self,
      name: m['machine'],
      alias: m['alias'] || m['machine'],
      attribute: m['attribute']
    )
  end
end

#carrier? ⇒ Boolean

True if this machine carries other machines

Returns:

  • (Boolean) 


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# File 'lib/confctl/machine.rb', line 61

def carrier?
  @is_carrier
end

#carrier_machine ⇒ Machine

Returns carrier.

Returns:



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# File 'lib/confctl/machine.rb', line 83

def carrier_machine
  carrier = @machine_list[@carrier_name]

  if carrier.nil?
    raise "Carrier #{@carrier_name} not found in machine list"
  end

  carrier
end

#health_checks ⇒ Object 



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# File 'lib/confctl/machine.rb', line 119

def health_checks
  return @health_checks if @health_checks

  @health_checks = []

  meta['healthChecks'].each do |type, checks|
    case type
    when 'systemd'
      next if !checks['enable'] || spin != 'nixos'

      if checks['systemProperties'].any?
        @health_checks << HealthChecks::Systemd::Properties.new(
          self,
          property_checks: checks['systemProperties'].map do |v|
            HealthChecks::Systemd::PropertyCheck.new(v)
          end
        )
      end

      checks['unitProperties'].each do |unit_name, prop_checks|
        health_checks << HealthChecks::Systemd::Properties.new(
          self,
          pattern: unit_name,
          property_checks: prop_checks.map do |v|
            HealthChecks::Systemd::PropertyCheck.new(v)
          end
        )
      end

    when 'builderCommands', 'machineCommands'
      checks.each do |cmd|
        health_checks << HealthChecks::RunCommand.new(
          self,
          HealthChecks::RunCommand::Command.new(self, cmd),
          remote: type == 'machineCommands'
        )
      end

    else
      raise "Unsupported health-check type #{type.inspect}"
    end
  end

  @health_checks
end

#localhost? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/confctl/machine.rb', line 97

def localhost?
  target_host == 'localhost'
end

#nix_paths ⇒ Object 



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# File 'lib/confctl/machine.rb', line 110

def nix_paths
  meta['nix']['nixPath'].to_h do |v|
    eq = v.index('=')
    raise "'#{v}' is not a valid nix path entry " if eq.nil?

    [v[0..eq - 1], v[eq + 1..]]
  end
end

#profile ⇒ String

Returns path to nix-env managed profile.

Returns:

  • (String) —

    path to nix-env managed profile



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# File 'lib/confctl/machine.rb', line 102

def profile
  if carried?
    "/nix/var/nix/profiles/confctl-#{safe_carried_alias}"
  else
    '/nix/var/nix/profiles/system'
  end
end

#target_host ⇒ Object 



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# File 'lib/confctl/machine.rb', line 93

def target_host
  meta.fetch('host', {}).fetch('target', name)
end

#to_s ⇒ Object 



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# File 'lib/confctl/machine.rb', line 177

def to_s
  name
end