Module: Legion::Transport::Settings

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

Constant Summary collapse

DEFAULT_AMQP_PORT = 
5672

Class Method Summary collapse

Class Method Details

.channel ⇒ Object 



61
62
63
64
65
66
 
# File 'lib/legion/transport/settings.rb', line 61

def self.channel
  {
    default_worker_pool_size: ENV['transport.channel.default_worker_pool_size'] || 1,
    session_worker_pool_size: ENV['transport.channel.session_worker_pool_size'] || 16
  }
end

.connection ⇒ Object 



12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
 
# File 'lib/legion/transport/settings.rb', line 12

def self.connection
  host = ENV['transport.connection.host'] || '127.0.0.1'
  port = (ENV['transport.connection.port'] || DEFAULT_AMQP_PORT).to_i

  existing = defined?(Legion::Settings) ? (Legion::Settings[:transport][:connection] || {}) : {}
  extra_server  = existing[:server]
  extra_servers = existing[:servers] || []
  extra_hosts   = existing[:hosts] || []

  {
    read_timeout:              3,
    heartbeat:                 (ENV['transport.connection.heartbeat'] || 30).to_i,
    automatically_recover:     true,
    continuation_timeout:      8000,
    network_recovery_interval: (ENV['transport.connection.recovery_interval'] || 2).to_i,
    connection_timeout:        (ENV['transport.connection.connection_timeout'] || 10).to_i,
    frame_max:                 65_536,
    user:                      ENV['transport.connection.user'] || 'guest',
    password:                  ENV['transport.connection.password'] || 'guest',
    host:                      host,
    port:                      port,
    vhost:                     ENV['transport.connection.vhost'] || '/',
    recovery_attempts:         (ENV['transport.connection.recovery_attempts'] || 10).to_i,
    logger_level:              resolve_log_level,
    connected:                 false,
    resolved_hosts:            resolve_hosts(
      host: host, hosts: Array(extra_hosts),
      server: extra_server, servers: Array(extra_servers),
      port: port
    )
  }
end

.default ⇒ Object 



117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
 
# File 'lib/legion/transport/settings.rb', line 117

def self.default
  cluster_csv = ENV.fetch('transport.cluster_nodes', '')
  {
    type:                 'rabbitmq',
    connected:            false,
    logger_level:         resolve_log_level,
    messages:             messages,
    prefetch:             ENV['transport.prefetch'].to_i,
    exchanges:            exchanges,
    queues:               queues,
    connection:           connection,
    channel:              channel,
    tenant_topology:      tenant_topology,
    kafka:                kafka,
    cluster_nodes:        cluster_csv.empty? ? [] : cluster_csv.split(',').map(&:strip),
    connection_pool_size: (ENV['transport.connection_pool_size'] || 1).to_i,
    max_payload_bytes:    (ENV['transport.max_payload_bytes'] || 1_048_576).to_i,
    region:               ENV.fetch('transport.region', nil),
    management_port:      (ENV['transport.management_port'] || 15_672).to_i,
    quorum_queue_policy:  {
      enabled:        ENV['transport.quorum_queue_policy.enabled'] == 'true',
      pattern:        ENV['transport.quorum_queue_policy.pattern'] || '^legion\\.',
      delivery_limit: (ENV['transport.quorum_queue_policy.delivery_limit'] || 5).to_i
    }
  }
end

.exchanges ⇒ Object 



79
80
81
82
83
84
85
86
87
 
# File 'lib/legion/transport/settings.rb', line 79

def self.exchanges
  {
    type:        'topic',
    arguments:   {},
    auto_delete: false,
    durable:     true,
    internal:    false
  }
end

.kafka ⇒ Object 



108
109
110
111
112
113
114
115
 
# File 'lib/legion/transport/settings.rb', line 108

def self.kafka
  require_relative 'kafka/defaults'
  Legion::Transport::Kafka::DEFAULTS.dup.tap do |k|
    k[:enabled] = ENV['transport.kafka.enabled'] == 'true'
    k[:brokers] = ENV['transport.kafka.brokers'].split(',').map(&:strip) if ENV['transport.kafka.brokers']
    k[:consumer_group] = ENV['transport.kafka.consumer_group'] if ENV['transport.kafka.consumer_group']
  end
end

.messages ⇒ Object 



89
90
91
92
93
94
95
96
 
# File 'lib/legion/transport/settings.rb', line 89

def self.messages
  {
    encrypt:    ENV['transport.messages.encrypt'] == 'true',
    ttl:        ENV.fetch('transport.messages.ttl', nil),
    priority:   ENV['transport.messages.priority'].to_i,
    persistent: ENV['transport.messages.persistent'] == 'true'
  }
end

.queues ⇒ Object 



68
69
70
71
72
73
74
75
76
77
 
# File 'lib/legion/transport/settings.rb', line 68

def self.queues
  {
    manual_ack:  true,
    durable:     true,
    exclusive:   false,
    block:       false,
    auto_delete: false,
    arguments:   { 'x-queue-type': 'quorum' }
  }
end

.resolve_hosts(host: nil, hosts: [], server: nil, servers: [], port: nil) ⇒ Object 



51
52
53
54
55
56
57
58
59
 
# File 'lib/legion/transport/settings.rb', line 51

def self.resolve_hosts(host: nil, hosts: [], server: nil, servers: [], port: nil)
  port ||= DEFAULT_AMQP_PORT

  all = Array(hosts) + Array(servers) + Array(host) + Array(server)
  all = ["127.0.0.1:#{port}"] if all.empty?

  all.map! { |s| s.to_s.include?(':') ? s.to_s : "#{s}:#{port}" }
  all.uniq
end

.resolve_log_level ⇒ Object 



47
48
49
 
# File 'lib/legion/transport/settings.rb', line 47

def self.resolve_log_level
  ENV['transport.log_level'] || ENV['transport.logger_level'] || 'warn'
end

.tenant_topology ⇒ Object 



98
99
100
101
102
103
104
105
106
 
# File 'lib/legion/transport/settings.rb', line 98

def self.tenant_topology
  {
    enabled:          false,
    prefix_format:    't.%<tenant_id>s.',
    shared_exchanges: %w[legion.control legion.health legion.audit],
    auto_provision:   true,
    quotas:           {}
  }
end