diff options
Diffstat (limited to 'lib/leap_cli/commands/run.rb')
-rw-r--r-- | lib/leap_cli/commands/run.rb | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/lib/leap_cli/commands/run.rb b/lib/leap_cli/commands/run.rb new file mode 100644 index 00000000..cad9b7a0 --- /dev/null +++ b/lib/leap_cli/commands/run.rb @@ -0,0 +1,50 @@ +module LeapCli; module Commands + + desc 'Run a shell command remotely' + long_desc "Runs the specified command COMMAND on each node in the FILTER set. " + + "For example, `leap run 'uname -a' webapp`" + arg_name 'COMMAND FILTER' + command :run do |c| + c.switch 'stream', :default => false, :desc => 'If set, stream the output as it arrives. (default: --stream for a single node, --no-stream for multiple nodes)' + c.flag 'port', :arg_name => 'SSH_PORT', :desc => 'Override default SSH port used when trying to connect to the server.' + c.action do |global, options, args| + run_shell_command(global, options, args) + end + end + + private + + def run_shell_command(global, options, args) + require 'leap_cli/ssh' + cmd = args[0] + filter = args[1..-1] + cmd = global[:force] ? cmd : LeapCli::SSH::Options.sanitize_command(cmd) + nodes = manager.filter!(filter) + if nodes.size == 1 || options[:stream] + stream_command(nodes, cmd, options) + else + capture_command(nodes, cmd, options) + end + end + + def capture_command(nodes, cmd, options) + SSH.remote_command(nodes, options) do |ssh, host| + output = ssh.capture(cmd, :log_output => false) + if output + logger = LeapCli.new_logger + logger.log(:ran, "`" + cmd + "`", host: host.hostname, color: :green) do + logger.log(output, wrap: true) + end + end + end + end + + def stream_command(nodes, cmd, options) + SSH.remote_command(nodes, options) do |ssh, host| + ssh.stream(cmd, :log_cmd => true, :log_finish => true, :fail_msg => 'oops') + end + end + +end; end + + |