TinyCore Linux appliance + packer

appliances/tinycore-linux.gns3a

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+{
+    "name": "Tiny Core Linux",
+    "category": "guest",
+    "description": "Core Linux is a smaller variant of Tiny Core without a graphical desktop.\n\nIt's provide a complete Linux system in few MB.",
+    "vendor_name": "Team Tiny Core",
+    "vendor_url": "http://distro.ibiblio.org/tinycorelinux",
+    "documentation_url": "http://wiki.tinycorelinux.net/",
+    "product_name": "Tiny Core Linux",
+    "product_url": "http://distro.ibiblio.org/tinycorelinux",
+    "registry_version": 1,
+    "status": "stable",
+    "maintainer": "GNS3 Team",
+    "maintainer_email": "developers@gns3.net",
+    "usage": "Login is gns3/gns3. sudo works without password",
+    "symbol": "linux_guest.svg",
+
+    "qemu": {
+        "adapter_type": "e1000",
+        "adapters": 1,
+        "ram": 96,
+        "arch": "i386",
+        "console_type": "telnet"
+    },
+
+    "images": [
+        {
+            "filename": "linux-tinycore-6.4.qcow2",
+            "version": "6.4",
+            "md5sum": "bcd99ff8b3a9e7097455dcebe66ba2dd",
+            "filesize": 23855104,
+            "download_url": "https://sourceforge.net/projects/gns-3/files/Qemu%20Appliances/",
+            "direct_download_url": "http://no.public.repository.yet/linux-tinycore-6.4.qcow2"
+        }
+    ],
+
+    "versions": [
+        {
+            "name": "6.4",
+            "images": {
+                "hda_disk_image": "linux-tinycore-6.4.qcow2"
+            }
+        }
+    ]
+}

packer/tinycore-linux/scripts/hd-install.sh

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+# Install tinycore on harddisk
+
+set -x
+
+# format harddisk
+echo -e 'n\np\n1\n\n\na\n1\nw' | sudo fdisk -H16 -S32 /dev/sda
+sudo mkfs.ext2 /dev/sda1
+
+# copy system to harddisk
+sudo mkdir /mnt/sda1
+sudo mount /dev/sda1 /mnt/sda1
+sudo mount /mnt/sr0
+sudo cp -a /mnt/sr0/boot /mnt/sda1/
+sudo umount /mnt/sr0
+
+# modify bootloader config
+sudo mv /mnt/sda1/boot/isolinux /mnt/sda1/boot/extlinux
+cd /mnt/sda1/boot/extlinux
+sudo rm boot.cat isolinux.bin
+sudo mv isolinux.cfg extlinux.conf
+sudo sed -i -e '/append / s/$/ user=gns3/' -e 's/timeout .*/timeout 30/' extlinux.conf
+cd
+
+# make disk bootable
+tce-load -wi syslinux
+sudo sh -c 'cat /usr/local/share/syslinux/mbr.bin > /dev/sda'
+sudo /usr/local/sbin/extlinux --install /mnt/sda1/boot/extlinux
+
+# create extensions directory
+sudo mkdir /mnt/sda1/tce
+sudo chgrp staff /mnt/sda1/tce
+sudo chmod 775 /mnt/sda1/tce
+
+# base system modifications
+echo 'etc/issue' >> /opt/.filetool.lst
+echo 'etc/shadow' >> /opt/.filetool.lst
+echo -e "\nusername 'gns3', password 'gns3'\n" >> /etc/issue

packer/tinycore-linux/scripts/packages.sh

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+# Add extensions
+
+set -x
+
+# change tcedir to harddisk
+mv /etc/sysconfig/tcedir /etc/sysconfig/tcedir.bak
+ln -s /mnt/sda1/tce /etc/sysconfig/tcedir
+rm -rf /usr/local/tce.installed/*
+
+# openssh (optional)
+tce-load -wi openssh
+echo '/usr/local/etc/init.d/openssh start' >> /opt/bootlocal.sh
+echo 'usr/local/etc/ssh' >> /opt/.filetool.lst
+
+tce-load -wi ipv6-`uname -r` iptables iproute2
+tce-load -wi tcpdump
+tce-load -wi iperf3
+

packer/tinycore-linux/scripts/post_setup.sh

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+# post-installation script
+set -x
+
+# save changes
+rm -f .ash_history
+filetool.sh -b sda1
+
+# write 0, not really necessary
+#sudo dd if=/dev/zero of=/mnt/sda1/zero ; sudo rm -f /mnt/sda1/zero

packer/tinycore-linux/scripts/serial.sh

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+# Add serial console support
+
+set -x
+
+# Boot configuration
+# Serial interface is secondary console, the vga console remains main console
+# To change that, exchange the two 'console=' boot parameter
+sudo sed -i -e '1i serial 0 38400' -e '/append loglevel/ s/$/ console=ttyS0,38400 console=tty0/' /mnt/sda1/boot/extlinux/extlinux.conf
+
+# /etc/inittab
+sudo sed -i -e '/tty6/attyS0::respawn:/sbin/getty 38400 ttyS0 xterm' /etc/inittab
+
+# /etc/securetty
+sudo sed -i -e 's/^# *ttyS0/ttyS0/' /etc/securetty
+
+# reload initab on startup
+sudo sed -i -e '/^\/opt\/bootlocal/ i' -e '/^\/opt\/bootlocal/ i# reload inittab' -e '/^\/opt\/bootlocal/ i kill -HUP 1' -e '/^\/opt\/bootlocal/ i' /opt/bootsync.sh
+
+# add modified files to backup list
+echo 'etc/inittab' >> /opt/.filetool.lst
+echo 'etc/securetty' >> /opt/.filetool.lst

packer/tinycore-linux/tinycore-linux.json

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+{
+  "builders":
+    [
+        {
+          "type": "qemu",
+          "iso_url": "http://distro.ibiblio.org/tinycorelinux/6.x/x86/release/Core-6.4.iso",
+          "iso_checksum": "c8e04e26de234e5528e6eac8ecb1bdda",
+          "iso_checksum_type": "md5",
+          "shutdown_command": "sudo poweroff",
+          "format": "qcow2",
+          "headless": false,
+          "ssh_username": "gns3",
+          "ssh_password": "gns3",
+          "accelerator": "none",
+          "vm_name": "tinycore-linux",
+          "disk_interface": "ide",
+          "net_device": "e1000",
+          "disk_size": 50,
+          "boot_wait": "10s",
+          "http_directory": "http",
+          "boot_command":
+            [
+                "mc user=gns3<enter><wait10><wait10><wait10>",
+                "sudo passwd gns3<enter>gns3<enter>gns3<enter>",
+                "tce-load -wi openssh<enter><wait10>",
+                "sudo /usr/local/etc/init.d/openssh start<enter>"
+            ]
+        }
+    ],
+    "provisioners": [
+        {
+            "type": "shell",
+            "script": "scripts/hd-install.sh"
+        },
+        {
+            "type": "shell",
+            "script": "scripts/serial.sh"
+        },
+        {
+            "type": "shell",
+            "script": "scripts/packages.sh"
+        },
+        {
+            "type": "shell",
+            "script": "scripts/post_setup.sh"
+        }
+    ]
+}