Serial port support (#8)

* Add basic support of access via serial console

* Add avanced serial console support

* Fix vagrant push action

* Cleanup of post install action

Vagrantfile

@@ -1,11 +1,18 @@
-#hashicorp/precise32
-$box_name = "ubuntu/xenial64"
+###
+### Push action requires: socat, screen
+###
+
+$box_name_server = "ubuntu/xenial64"
+$box_name_client = "q2p/empty"
+$server_ip = "192.168.2.2"
+$client_socet = '/tmp/pxe_client_vm-socket'
+$client_pty = '/tmp/pxe_client_vm-pty'
 
 Vagrant.configure(2) do |config|
     config.vm.define "server", autostart: true do |server|
-        server.vm.box = $box_name
+        server.vm.box = $box_name_server
         server.vm.hostname = "pxe-server"
-        server.vm.network "private_network", ip: "192.168.2.2", virtualbox__intnet: "pxe_network"
+        server.vm.network "private_network", ip: $server_ip, virtualbox__intnet: "pxe_network"
         server.vm.synced_folder "vagrant-volume/", "/vagrant-volume/" 
         server.vm.provision "ansible" do |ansible|
             ansible.playbook = "playbook.yml"
@@ -21,7 +28,7 @@ Vagrant.configure(2) do |config|
         client.ssh.insert_key = "false"
         client.vm.boot_timeout = 1
         client.vm.post_up_message = "Probably machine is unreachable by ssh. It's expected."
-        client.vm.box = "q2p/empty"
+        client.vm.box = $box_name_client
         client.vm.provider :virtualbox do |vb|
             vb.memory = '1024'
             vb.cpus = '1'
@@ -33,8 +40,21 @@ Vagrant.configure(2) do |config|
                 '--boot1', 'disk',
                 '--boot2', 'net',
                 '--boot3', 'none',
-                '--boot4', 'none'
+                '--boot4', 'none',
+                '--uart1', '0x3F8', '4',
+                '--uartmode1', 'server', $client_socet
             ]
         end
     end
+
+    config.push.define "local-exec" do |push|
+        push.inline = <<-SCRIPT
+        clear
+        socat UNIX-CONNECT:#{$client_socet} PTY,link=#{$client_pty} &
+        echo "Ctrl+A Ctrl+D for detach"
+        sleep 5
+        screen #{$client_pty}
+        SCRIPT
+    end
+
 end

post-install.sh

@@ -1,2 +1,23 @@
 #!/bin/bash
-echo test > /root/test-post-install
+set -x
+readonly LOG_FILE="/root/post-install.log"
+touch $LOG_FILE
+exec 1>$LOG_FILE
+exec 2>&1
+
+echo "##### Start post install actions ..."
+
+echo "### Start configure of serial-getty ..."
+systemctl enable [email protected]
+systemctl start [email protected]
+echo "### Finish configure of serial-getty."
+
+echo "### Start configure of serial access on GRUB ..."
+sed -i -r 's/^(GRUB_CMDLINE_LINUX_DEFAULT)/#\1/' /etc/default/grub
+sed -i -r 's/^(GRUB_CMDLINE_LINUX=).*/\1"console=tty0 console=ttyS0,115200n8"/' /etc/default/grub
+sed -i -r 's/^#?(GRUB_TERMINAL=).*/\1"console serial"/' /etc/default/grub
+egrep -q "^GRUB_SERIAL_COMMAND=" /etc/default/grub && sed -i -r 's/^(GRUB_SERIAL_COMMAND=).*/\1"serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"/' /etc/default/grub || echo 'GRUB_SERIAL_COMMAND="serial --speed=115200 --unit=0 --word=8 --parity=no --stop=1"' >> /etc/default/grub
+update-grub
+echo "### Finish configure of serial access on GRUB."
+
+echo "##### Finish post install actions."

preseed.txt

@@ -107,6 +107,7 @@ d-i netcfg/wireless_wep string
 #d-i network-console/password-again password r00tme
 # Use this instead if you prefer to use key-based authentication
 #d-i network-console/authorized_keys_url http://host/authorized_keys
+#d-i preseed/early_command                string          anna-install network-console
 
 ### Mirror settings
 # If you select ftp, the mirror/country string does not need to be set.
@@ -443,7 +444,7 @@ d-i grub-installer/with_other_os boolean true
 # During installations from serial console, the regular virtual consoles
 # (VT1-VT6) are normally disabled in /etc/inittab. Uncomment the next
 # line to prevent this.
-#d-i finish-install/keep-consoles boolean true
+d-i finish-install/keep-consoles boolean true
 
 # Avoid that last message about the install being complete.
 d-i finish-install/reboot_in_progress note
@@ -467,6 +468,7 @@ d-i finish-install/reboot_in_progress note
 #   debconf-get-selections --installer > file
 #   debconf-get-selections >> file
 
+d-i debian-installer/add-kernel-opts console=tty0 console=ttyS0,115200n8 
 
 #### Advanced options
 ### Running custom commands during the installation
@@ -491,6 +493,6 @@ d-i finish-install/reboot_in_progress note
 # packages and run commands in the target system.
 #d-i preseed/late_command string apt-install zsh; in-target chsh -s /bin/zsh
 d-i preseed/late_command string \
-    in-target wget https://raw.githubusercontent.com/q2p-us/pxe/master/post-install.sh -O/root/post-install.sh; \
+    in-target wget https://raw.githubusercontent.com/q2p-us/pxe/master/post-install.sh -O/root/post-install.sh 2>&1; \
     in-target chmod a+rx /root/post-install.sh; \
     in-target /root/post-install.sh;

roles/general/templates/syslinux.cfg.j2

@@ -1,12 +1,20 @@
 # D-I config version 2.0
 # search path for the c32 support libraries (libcom32, libutil etc.)
+serial 0 9600
 path ubuntu-installer/amd64/boot-screens/
 default ubuntu-installer/amd64/boot-screens/vesamenu.c32
 prompt 0
-timeout 5
+timeout 150
+#default Ubuntu16
 
-label Ubuntu16
+label Ubuntu16serial
     menu default
+    menu LABEL Ubuntu16serial
+    kernel ubuntu-installer/amd64/linux
+    append initrd=ubuntu-installer/amd64/initrd.gz domain={{ domain }} hostname={{ hostname }} preseed/url={{ pxe_proto }}://{{ pxe_path_preseed }}/preseed.txt mirror/http/hostname={{ pxe_mirror }} mirror/protocol=http debian-installer/allow_unauthenticated_ssl=true locale=en_US.UTF-8 debian/priority=critical vga=normal debian-installer/keymap=us console-keymaps-at/keymap=us console-setup/layoutcode=en_US netcfg/choose_interface=auto localechooser/translation/warn-light=true localechooser/translation/warn-severe=true console=tty0 console=ttyS0,115200n8 console-setup/ask_detect=false FRONTEND_BACKGROUND=noninteractive -
+
+
+label Ubuntu16
     menu LABEL Ubuntu16
     kernel ubuntu-installer/amd64/linux
-    append initrd=ubuntu-installer/amd64/initrd.gz domain={{ domain }} hostname={{ hostname }} preseed/url={{ pxe_proto }}://{{ pxe_path_preseed }}/preseed.txt mirror/http/hostname={{ pxe_mirror }} mirror/protocol=http debian-installer/allow_unauthenticated_ssl=true locale=en_US.UTF-8 debian/priority=critical vga=normal debian-installer/keymap=us console-keymaps-at/keymap=us console-setup/layoutcode=en_US netcfg/choose_interface=auto localechooser/translation/warn-light=true localechooser/translation/warn-severe=true console-setup/ask_detect=false FRONTEND_BACKGROUND=original -
+    append initrd=ubuntu-installer/amd64/initrd.gz domain={{ domain }} hostname={{ hostname }} preseed/url={{ pxe_proto }}://{{ pxe_path_preseed }}/preseed.txt mirror/http/hostname={{ pxe_mirror }} mirror/protocol=http debian-installer/allow_unauthenticated_ssl=true locale=en_US.UTF-8 debian/priority=critical vga=normal debian-installer/keymap=us console-keymaps-at/keymap=us console-setup/layoutcode=en_US netcfg/choose_interface=auto localechooser/translation/warn-light=true localechooser/translation/warn-severe=true console=ttyS0,115200n8 console=tty0 console-setup/ask_detect=false FRONTEND_BACKGROUND=noninteractive -

roles/nginx/templates/preseed.txt.j2

@@ -103,6 +103,7 @@ d-i netcfg/wireless_wep string
 #d-i network-console/password-again password r00tme
 # Use this instead if you prefer to use key-based authentication
 #d-i network-console/authorized_keys_url http://host/authorized_keys
+#d-i preseed/early_command                string          anna-install network-console
 
 ### Mirror settings
 # If you select ftp, the mirror/country string does not need to be set.
@@ -442,7 +443,7 @@ d-i grub-installer/with_other_os boolean true
 # During installations from serial console, the regular virtual consoles
 # (VT1-VT6) are normally disabled in /etc/inittab. Uncomment the next
 # line to prevent this.
-#d-i finish-install/keep-consoles boolean true
+d-i finish-install/keep-consoles boolean true
 
 # Avoid that last message about the install being complete.
 d-i finish-install/reboot_in_progress note
@@ -466,6 +467,7 @@ d-i finish-install/reboot_in_progress note
 #   debconf-get-selections --installer > file
 #   debconf-get-selections >> file
 
+d-i debian-installer/add-kernel-opts console=tty0 console=ttyS0,115200n8 
 
 #### Advanced options
 ### Running custom commands during the installation
@@ -490,6 +492,6 @@ d-i finish-install/reboot_in_progress note
 # packages and run commands in the target system.
 #d-i preseed/late_command string apt-install zsh; in-target chsh -s /bin/zsh
 d-i preseed/late_command string \
-    in-target wget {{ pxe_proto }}://{{ pxe_path_post_install }}/post-install.sh -O/root/post-install.sh; \
+    in-target wget {{ pxe_proto }}://{{ pxe_path_post_install }}/post-install.sh -O/root/post-install.sh 2>&1; \
     in-target chmod a+rx /root/post-install.sh; \
     in-target /root/post-install.sh;