Class: Ridley::HostConnector::SSH
- Defined in:
- lib/ridley/host_connector/ssh.rb
Constant Summary collapse
- DEFAULT_PORT =
22
- EMBEDDED_RUBY_PATH =
'/opt/chef/embedded/bin/ruby'.freeze
Instance Method Summary collapse
-
#bootstrap(host, options = {}) ⇒ HostConnector::Response
Bootstrap a node.
-
#chef_client(host, options = {}) ⇒ HostConnector::Response
Perform a chef client run on a node.
-
#put_secret(host, secret, options = {}) ⇒ HostConnector::Response
Write your encrypted data bag secret on a node.
-
#ruby_script(host, command_lines, options = {}) ⇒ HostConnector::Response
Execute line(s) of Ruby code on a node using Chef’s embedded Ruby.
-
#run(host, command, options = {}) ⇒ HostConnector::Response
Execute a shell command on a node.
-
#uninstall_chef(host, options = {}) ⇒ HostConnector::Response
Uninstall Chef from a node.
Methods included from Logging
Instance Method Details
#bootstrap(host, options = {}) ⇒ HostConnector::Response
Bootstrap a node
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# File 'lib/ridley/host_connector/ssh.rb', line 92 def bootstrap(host, = {}) = .reverse_merge(ssh: Hash.new) [:ssh].reverse_merge!(sudo: true, timeout: 5.0) context = BootstrapContext::Unix.new() log.info "Bootstrapping host: #{host}" run(host, context.boot_command, ) end |
#chef_client(host, options = {}) ⇒ HostConnector::Response
Perform a chef client run on a node
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# File 'lib/ridley/host_connector/ssh.rb', line 114 def chef_client(host, = {}) run(host, "chef-client", ) end |
#put_secret(host, secret, options = {}) ⇒ HostConnector::Response
Write your encrypted data bag secret on a node
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# File 'lib/ridley/host_connector/ssh.rb', line 133 def put_secret(host, secret, = {}) cmd = "echo '#{secret}' > /etc/chef/encrypted_data_bag_secret; chmod 0600 /etc/chef/encrypted_data_bag_secret" run(host, cmd, ) end |
#ruby_script(host, command_lines, options = {}) ⇒ HostConnector::Response
Execute line(s) of Ruby code on a node using Chef’s embedded Ruby
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# File 'lib/ridley/host_connector/ssh.rb', line 153 def ruby_script(host, command_lines, = {}) run(host, "#{EMBEDDED_RUBY_PATH} -e \"#{command_lines.join(';')}\"", ) end |
#run(host, command, options = {}) ⇒ HostConnector::Response
Execute a shell command on a node
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# File 'lib/ridley/host_connector/ssh.rb', line 23 def run(host, command, = {}) = .reverse_merge(ssh: Hash.new) [:ssh].reverse_merge!(port: DEFAULT_PORT, paranoid: false, sudo: false) command = "sudo #{command}" if [:ssh][:sudo] Ridley::HostConnector::Response.new(host).tap do |response| begin log.info "Running SSH command: '#{command}' on: '#{host}' as: '#{[:ssh][:user]}'" defer { Net::SSH.start(host, [:ssh][:user], [:ssh].slice(*Net::SSH::VALID_OPTIONS)) do |ssh| ssh.open_channel do |channel| if [:sudo] channel.request_pty do |channel, success| unless success raise "Could not aquire pty: A pty is required for running sudo commands." end channel_exec(channel, command, host, response) end else channel_exec(channel, command, host, response) end end ssh.loop end } rescue Net::SSH::AuthenticationFailed => ex response.exit_code = -1 response.stderr = "Authentication failure for user #{ex}" rescue Net::SSH::ConnectionTimeout, Timeout::Error response.exit_code = -1 response.stderr = "Connection timed out" rescue Errno::EHOSTUNREACH response.exit_code = -1 response.stderr = "Host unreachable" rescue Errno::ECONNREFUSED response.exit_code = -1 response.stderr = "Connection refused" rescue Net::SSH::Exception => ex response.exit_code = -1 response.stderr = ex.inspect end case response.exit_code when 0 log.info "Successfully ran SSH command on: '#{host}' as: '#{[:ssh][:user]}'" when -1 log.info "Failed to run SSH command on: '#{host}' as: '#{[:ssh][:user]}'" else log.info "Successfully ran SSH command on: '#{host}' as: '#{[:ssh][:user]}' but it failed" end end end |
#uninstall_chef(host, options = {}) ⇒ HostConnector::Response
Uninstall Chef from a node
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# File 'lib/ridley/host_connector/ssh.rb', line 174 def uninstall_chef(host, = {}) = .reverse_merge(ssh: Hash.new) [:ssh].reverse_merge!(sudo: true, timeout: 5.0) log.info "Uninstalling Chef from host: #{host}" run(host, CommandContext::UnixUninstall.command(), ) end |