Module: Nomad::Defaults

Defined in:
lib/nomad/defaults.rb

Constant Summary collapse

NOMAD_ADDRESS =

The default nomad address.

Returns:

  • (String)
"http://127.0.0.1:4646".freeze
SSL_CIPHERS =

The list of SSL ciphers to allow. You should not change this value unless you absolutely know what you are doing!

Returns:

  • (String)
"TLSv1.2:!aNULL:!eNULL".freeze
RETRY_ATTEMPTS =

The default number of attempts.

Returns:

  • (Integer)
2
RETRY_BASE =

The default backoff interval.

Returns:

  • (Integer)
0.05
RETRY_MAX_WAIT =

The maximum amount of time for a single exponential backoff to sleep.

2.0
DEFAULT_POOL_SIZE =

The default size of the connection pool

16
RETRIED_EXCEPTIONS =

The set of exceptions that are detect and retried by default with ‘with_retries`

[HTTPServerError]

Class Method Summary collapse

Class Method Details

.addressString

The address to communicate with Nomad.

Returns:

  • (String)


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# File 'lib/nomad/defaults.rb', line 41

def address
  ENV["NOMAD_ADDR"] || NOMAD_ADDRESS
end

.hostnameString?

The SNI host to use when connecting to Nomad via TLS.

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 47

def hostname
  ENV["NOMAD_TLS_SERVER_NAME"]
end

.open_timeoutString?

The number of seconds to wait when trying to open a connection before timing out

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 54

def open_timeout
  ENV["NOMAD_OPEN_TIMEOUT"]
end

.optionsHash

The list of calculated options for this configurable.

Returns:

  • (Hash)


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# File 'lib/nomad/defaults.rb', line 35

def options
  Hash[*Configurable.keys.map { |key| [key, public_send(key)] }.flatten]
end

.pool_sizeObject

The size of the connection pool to communicate with Nomad

Returns:

  • Integer



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# File 'lib/nomad/defaults.rb', line 60

def pool_size
  if var = ENV["NOMAD_POOL_SIZE"]
    return var.to_i
  else
    DEFAULT_POOL_SIZE
  end
end

.proxy_addressString?

The HTTP Proxy server address as a string

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 70

def proxy_address
  ENV["NOMAD_PROXY_ADDRESS"]
end

.proxy_passwordString?

The HTTP Proxy user password as a string

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 82

def proxy_password
  ENV["NOMAD_PROXY_PASSWORD"]
end

.proxy_portString?

The HTTP Proxy server port as a string

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 88

def proxy_port
  ENV["NOMAD_PROXY_PORT"]
end

.proxy_usernameString?

The HTTP Proxy server username as a string

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 76

def proxy_username
  ENV["NOMAD_PROXY_USERNAME"]
end

.read_timeoutString?

The number of seconds to wait when reading a response before timing out

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 94

def read_timeout
  ENV["NOMAD_READ_TIMEOUT"]
end

.ssl_ca_certString?

The path to the CA cert on disk to use for certificate verification

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 128

def ssl_ca_cert
  ENV["NOMAD_CACERT"]
end

.ssl_ca_pathString?

The path to the directory on disk holding CA certs to use for certificate verification

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 141

def ssl_ca_path
  ENV["NOMAD_CAPATH"]
end

.ssl_cert_storeOpenSSL::X509::Store?

The CA cert store to use for certificate verification

Returns:

  • (OpenSSL::X509::Store, nil)


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# File 'lib/nomad/defaults.rb', line 134

def ssl_cert_store
  nil
end

.ssl_ciphersString

The ciphers that will be used when communicating with nomad over ssl You should only change the defaults if the ciphers are not available on your platform and you know what you are doing

Returns:

  • (String)


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# File 'lib/nomad/defaults.rb', line 102

def ssl_ciphers
  ENV["NOMAD_SSL_CIPHERS"] || SSL_CIPHERS
end

.ssl_pem_contentsString?

The raw contents (as a string) for the pem file. To specify the path to the pem file, use #ssl_pem_file instead. This value is preferred over the value for #ssl_pem_file, if set.

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 110

def ssl_pem_contents
  ENV["NOMAD_SSL_PEM_CONTENTS"]
end

.ssl_pem_fileString?

The path to a pem on disk to use with custom SSL verification

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 116

def ssl_pem_file
  ENV["NOMAD_SSL_CERT"] || ENV["NOMAD_SSL_PEM_FILE"]
end

.ssl_pem_passphraseString?

Passphrase to the pem file on disk to use with custom SSL verification

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 122

def ssl_pem_passphrase
  ENV["NOMAD_SSL_CERT_PASSPHRASE"]
end

.ssl_timeoutString?

The number of seconds to wait for connecting and verifying SSL

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 162

def ssl_timeout
  ENV["NOMAD_SSL_TIMEOUT"]
end

.ssl_verifytrue, false

Verify SSL requests (default: true)

Returns:

  • (true, false)


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# File 'lib/nomad/defaults.rb', line 147

def ssl_verify
  # Nomad CLI uses this envvar, so accept it by precedence
  if !ENV["NOMAD_SKIP_VERIFY"].nil?
    return false
  end

  if ENV["NOMAD_SSL_VERIFY"].nil?
    true
  else
    %w[t y].include?(ENV["NOMAD_SSL_VERIFY"].downcase[0])
  end
end

.timeoutString?

A default meta-attribute to set all timeout values - individually set timeout values will take precedence

Returns:

  • (String, nil)


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# File 'lib/nomad/defaults.rb', line 169

def timeout
  ENV["NOMAD_TIMEOUT"]
end