Class: SwarmClusterCliOpe::ShellCommandExecution

Inherits:
Object
  • Object
show all
Includes:
LoggerConcern
Defined in:
lib/swarm_cluster_cli_ope/shell_command_execution.rb

Defined Under Namespace

Classes: Failure

Instance Attribute Summary collapse

Instance Method Summary collapse

Methods included from LoggerConcern

#logger

Constructor Details

#initialize(cmd) ⇒ ShellCommandExecution

Returns a new instance of ShellCommandExecution.

Parameters:

  • cmd (Array<String>, String) 


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# File 'lib/swarm_cluster_cli_ope/shell_command_execution.rb', line 12

def initialize(cmd)
  cmd = cmd.split(" ") if cmd.is_a? String
  @cmd = cmd
end

Instance Attribute Details

#cmd ⇒ Array<String>

Returns comando da eseguire.

Returns:

  • (Array<String>) —

    comando da eseguire



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# File 'lib/swarm_cluster_cli_ope/shell_command_execution.rb', line 9

def cmd
  @cmd
end

Instance Method Details

#add(*append_command) ⇒ SwarmClusterCliOpe::ShellCommandExecution

Parameters:

  • append_command (*String)

Returns:



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# File 'lib/swarm_cluster_cli_ope/shell_command_execution.rb', line 19

def add(*append_command)
  @cmd.append(append_command)
  self
end

#execute(allow_failure: false) ⇒ ShellCommandResponse

Esegue il comando e ritorna STDOUT, altrimenti se va in errore esegue un raise

Parameters:

  • allow_failure (FalseClass) (defaults to: false) —

    -> se impostato a true, ritorniamo risultato anche quando fallisce

Returns:



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# File 'lib/swarm_cluster_cli_ope/shell_command_execution.rb', line 34

def execute(allow_failure: false)
  result = {
    stdout: nil,
    stderr: nil,
    pid: nil,
    status: nil
  }
  logger.info { "SHELL: #{string_command}" }
  result[:status] = Open4::popen4(string_command) do |pid, stdin, stdout, stderr|
    stdin.close

    result[:stdout] = stdout.read.strip
    result[:stderr] = stderr.read.strip
    result[:pid] = pid
  end

  unless allow_failure
    raise Failure.new(cmd, result[:stderr]) if (result[:status] && result[:status].exitstatus != 0)
  end

  logger.debug { "SHELL_RESPONSE: #{JSON.pretty_generate(result)}" }

  ShellCommandResponse.new(result)
end

#string_command ⇒ String

Stampa il comando

Returns:

  • (String) 


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# File 'lib/swarm_cluster_cli_ope/shell_command_execution.rb', line 62

def string_command
  @cmd.join(' ')
end