Class: KubernetesHarness::ShellCommand

Inherits:
Object
  • Object
show all
Defined in:
lib/k8s_harness/shell_command.rb

Overview

Handles all interactions with shells

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(command, environment: {}) ⇒ ShellCommand

Ruby 2.7 deprecated keyword arguments in favor of passing in Hashes. TODO: Refactor to account for this.



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# File 'lib/k8s_harness/shell_command.rb', line 13

def initialize(command, environment: {})
  KubernetesHarness.logger.debug("Creating new command #{command} with env #{environment}")
  @command = command
  @environment = environment
  @exitcode = nil
  @stdout = nil
  @stderr = nil
end

Instance Attribute Details

#command ⇒ Object

Returns the value of attribute command.



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# File 'lib/k8s_harness/shell_command.rb', line 9

def command
  @command
end

#stderr ⇒ Object

Returns the value of attribute stderr.



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# File 'lib/k8s_harness/shell_command.rb', line 9

def stderr
  @stderr
end

#stdout ⇒ Object

Returns the value of attribute stdout.



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# File 'lib/k8s_harness/shell_command.rb', line 9

def stdout
  @stdout
end

Instance Method Details

#all_eof(files) ⇒ Object

Courtesy of: gist.github.com/chrisn/7450808



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# File 'lib/k8s_harness/shell_command.rb', line 36

def all_eof(files)
  files.find { |f| !f.eof }.nil?
end

#execute! ⇒ Object 



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# File 'lib/k8s_harness/shell_command.rb', line 22

def execute!
  @stdout, @stderr, @exitcode = read_output_in_chunks(@environment)

  show_debug_command_output
end

#success?(exit_code: 0) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/k8s_harness/shell_command.rb', line 28

def success?(exit_code: 0)
  @exitcode == exit_code
end