Merge branch 'autossh' into 'master'

autossh support

this series of commits adds support for autossh, to automatically create a tunnel with port forwarding.

we use this to login to *really* remote servers reliably, behind multiple NATs and satellite connexions.

it rocks.

See merge request !18

1 files changed, 40 insertions, 0 deletions

diff --git a/manifests/autossh.pp b/manifests/autossh.pp
new file mode 100644
index 0000000..5650584
--- /dev/null
+++ b/manifests/autossh.pp
@@ -0,0 +1,40 @@
+class sshd::autossh($host,
+                    $port = undef, # this should be a remote->local hash
+                    $remote_user = undef,
+                    $user = 'root',
+                    $pidfile = '/var/run/autossh.pid',
+) {
+  if $port {
+    $port_ensure = $port
+  }
+  else {
+    # random port between 10000 and 20000
+    $port_ensure = fqdn_rand(10000) + 10000
+  }
+  if $remote_user {
+    $remote_user_ensure = $remote_user
+  }
+  else {
+    $remote_user_ensure = "host-$fqdn"
+  }
+  file {
+    '/etc/init.d/autossh':
+      mode   => '0555',
+      source => 'puppet:///modules/sshd/autossh.init.d';
+    '/etc/default/autossh':
+      mode    => '0444',
+      content => "USER=$user\nPIDFILE=$pidfile\nDAEMON_ARGS='-M0 -f -o ServerAliveInterval=15 -o ServerAliveCountMax=4 -q -N -R $port_ensure:localhost:22 $remote_user_ensure@$host'\n";
+  }
+  package { 'autossh':
+    ensure => present,
+  }
+  service { 'autossh':
+    ensure    => running,
+    enable    => true,
+    subscribe => [
+                  File['/etc/init.d/autossh'],
+                  File['/etc/default/autossh'],
+                  Package['autossh'],
+                  ],
+  }
+}