Class: Mammoth::CLI

Inherits:
Object
  • Object
show all
Defined in:
lib/mammoth/cli.rb

Overview

Small command dispatcher for Mammoth's operator-facing CLI.

Defined Under Namespace

Classes: DEAD_LETTER_TRANSACTION_ENVELOPE

Constant Summary collapse

USAGE =

Human-readable command usage printed for invalid or incomplete invocations.

[
  "Usage:",
  "  mammoth version",
  "  mammoth validate CONFIG",
  "  mammoth bootstrap CONFIG",
  "  mammoth status CONFIG",
  "  mammoth start CONFIG",
  "  mammoth deliver-sample CONFIG EVENT_JSON",
  "  mammoth dead-letters list CONFIG [--status STATUS] [--destination NAME] " \
  "[--failed-after ISO8601] [--failed-before ISO8601] [--limit N]",
  "  mammoth dead-letters show CONFIG ID",
  "  mammoth dead-letters replay CONFIG [ID ...] [--destination NAME] [--status STATUS] " \
  "[--failed-after ISO8601] [--failed-before ISO8601] [--limit N]",
  "  mammoth observability CONFIG"
].join("\n")

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(argv) ⇒ CLI

Returns a new instance of CLI.

Parameters:

  • argv (Array<String>) —

    command line arguments



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# File 'lib/mammoth/cli.rb', line 46

def initialize(argv)
  @argv = argv
end

Instance Attribute Details

#argv ⇒ Object (readonly)

Returns the value of attribute argv.



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# File 'lib/mammoth/cli.rb', line 43

def argv
  @argv
end

Class Method Details

.call(argv) ⇒ Integer

Run the CLI.

Parameters:

  • argv (Array<String>) —

    command line arguments

Returns:

  • (Integer) —

    process status code



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# File 'lib/mammoth/cli.rb', line 39

def self.call(argv)
  new(argv).call
end

Instance Method Details

#call ⇒ Integer

Dispatch the requested command.

Returns:

  • (Integer) —

    process status code



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# File 'lib/mammoth/cli.rb', line 53

def call
  case command
  when "version" then version
  when "validate" then validate
  when "bootstrap" then bootstrap
  when "status" then status
  when "start" then start
  when "deliver-sample" then deliver_sample
  when "dead-letters" then dead_letters
  when "observability" then observability
  else
    warn USAGE
    1
  end
rescue Mammoth::Error => e
  warn e.message
  1
end