Class: RemoteCall

Inherits:
Object
  • Object
show all
Defined in:
lib/ssh-base-cmd-class.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ RemoteCall

Returns a new instance of RemoteCall.



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# File 'lib/ssh-base-cmd-class.rb', line 10

def initialize ()
    @log = Logger.new(Canzea::config[:logging_root] + '/plans.log')
end

Instance Method Details

#decrypt(contents, privateKey) ⇒ Object 



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# File 'lib/ssh-base-cmd-class.rb', line 69

def decrypt (contents, privateKey)
    privkey_pem = File.read privateKey
    key = OpenSSL::PKey::RSA.new privkey_pem
    output = key.private_decrypt Base64.urlsafe_decode64 contents
    puts output
end

#encrypt(contents, publicKey) ⇒ Object 



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# File 'lib/ssh-base-cmd-class.rb', line 62

def encrypt (contents, publicKey)
    pubkey_pem = File.read publicKey
    key = OpenSSL::PKey::RSA.new pubkey_pem
    output = Base64.urlsafe_encode64 key.public_encrypt contents
    puts output
end

#exec(hostname, privateKey, cmd, ref = "") ⇒ Object 



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# File 'lib/ssh-base-cmd-class.rb', line 14

def exec (hostname, privateKey, cmd, ref = "")

    @username = "root"

    @log.info("    R [#{ref}] COMMAND: #{cmd}")

    begin
        Net::SSH.start(hostname, @username, :verify_host_key => :never, :keys => [privateKey]) do |ssh|

            chan = ssh.open_channel do |channel|
                channel.request_pty
                channel.env("DIGITAL_OCEAN_API_KEY", ENV['DIGITAL_OCEAN_API_KEY'])
                channel.env("VAULT_TOKEN", ENV['VAULT_TOKEN'])
                channel.env("CONSUL_URL", ENV['CONSUL_URL'])
                channel.env("WORK_DIR", ENV['WORK_DIR'])
                channel.env("ES_REF", ref)
                channel.exec(cmd) do |ch, success|
                    abort "could not execute command" unless success

                    channel.on_data do |ch, data|
                      puts data

                      data.sub(/\n/, '').scan(/.{1,80}/).each do | line |
                          @log.info("    R [#{ref}]  STDOUT: #{line}")
                      end
                    end

                    channel.on_request("exit-status") do |ch, data|
                        exit_code = data.read_long
                        @log.info("    R [#{ref}] Exit status: #{exit_code}")
                        if (exit_code == 0)
                        else
                            abort()
                        end
                    end

                    channel.on_close do |ch|
                    end
                end
            end
            chan.wait
        end
    rescue
        @log.info("    R ABORTED!")
        raise
    end
end

#get(hostname, privateKey, remoteFile, localFile = nil) ⇒ Object 



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# File 'lib/ssh-base-cmd-class.rb', line 90

def get (hostname, privateKey, remoteFile, localFile = nil)

    @username = "root"

    @log.info("    R : Getting from #{hostname}")
    @log.info("    R : Getting file #{remoteFile}")

    Net::SSH.start(hostname, @username, :paranoid => false, :keys => [privateKey]) do |ssh|
        ssh.sftp.download!(remoteFile, localFile)
    end
    @log.info("    R : Saved to #{localFile}")
end

#put(hostname, privateKey, localFile, remoteFile = nil) ⇒ Object

Secure copy - use the public key to encrypt the contents before sent across



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# File 'lib/ssh-base-cmd-class.rb', line 78

def put (hostname, privateKey, localFile, remoteFile = nil)

    @username = "root"

    puts "Uploading #{localFile} to #{remoteFile}"
    @log.info("    R : Uploading to #{hostname}")
    @log.info("    R : Uploading #{localFile} to #{remoteFile}")
    Net::SSH.start(hostname, @username, :paranoid => false, :keys => [privateKey]) do |ssh|
        ssh.sftp.upload!(localFile, remoteFile)
    end
end