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-version 1.18, 2011/02/18 03:55:52
+version 1.22, 2011/02/19 03:42:54
  Line 2
  # Introduction
- This tutorial aims at showing how you can build, setup, upload and launch NetBSD under the [Amazon EC2](http://aws.amazon.com/ec2/) service.
+ This tutorial aims at showing how you can build, setup, upload and launch NetBSD under the [Amazon EC2](http://aws.amazon.com/ec2/) service. We will first give some brief explanations on how you can obtain an AWS account, and what you will need to run NetBSD under EC2. Then, at your convenience, you will be able to start with pre-made images, or roll-out your own.
  # Subscribe to AWS (Amazon Web Services)
  Line 85  EC2 does not provide direct access to co
  This tutorial assumes that you will build the system under */mnt/ec2*.
- /!\Please note that you will need the [[!template id=man name=makefs section=8]] tool later in the process, so you can build a file system image that can be uploaded to Amazon EC2. You are therefore advised to perform the installation directly under a living NetBSD system, or in case your are not, to [[fetch the source|fetching_src]] to build the toolchain that will contain the **nbmakefs** utility.
+ /!\Please note that you will need the [[!template id=man name=makefs section=8]] tool later in the process, so you can build a file system image that can be uploaded to Amazon EC2. You are therefore advised to perform the installation directly under a living NetBSD system, or in case your are not, to fetch the *src* tree to build the toolchain, which will contain the **nbmakefs** utility.
- XXX build and install /mnt/ec2
+ [Details regarding on how you can fetch *src* are given in the NetBSD's guide](http://www.netbsd.org/docs/guide/en/chap-fetch.html). Here are the basic commands you should type to build and install NetBSD under */mnt/ec2*:
+ [[!template id=programlisting text="""
+ # fetch src.tgz
+ # decompress
+ # build toolchain, kernel and distribution
+ # install in /mnt/ec2
+ """]]
  # Configuration of your NetBSD EC2 tree
- Line 98  Under */mnt/ec2*, edit the files to add
+ Line 105  Under */mnt/ec2*, edit the files to add
  [[!template id=filecontent name=etc/rc.conf text="""
  rc_configured=YES
- hostname=NetBSD-EC2-$(uname -m)
  sshd=YES # for remote shell access to instance
  """]]
- Line 107  sshd=YES # for remote shell access to in
+ Line 113  sshd=YES # for remote shell access to in
  PermitRootLogin without-password
  """]]
- Create *etc/fstab* and *etc/ifconfig.xennet0*:
+ This file is needed if you want to login via the EC2 SSH key pair created previously:
+ [[!template id=filecontent name=etc/rc.d/ec2-init text="""
+ #!/bin/sh
+ #
+ # PROVIDE: amazon-ec2
+ # REQUIRE: NETWORKING
+ # BEFORE:  LOGIN
+ $_rc_subr_loaded . /etc/rc.subr
+ name="ec2_init"
+ start_cmd="ec2_init"
+ stop_cmd=":"
+ METADATA_URL="http://169.254.169.254/latest/meta-data/"
+ SSH_KEY_URL="public-keys/0/openssh-key"
+ HOSTNAME_URL="hostname"
+ SSH_KEY_FILE="/root/.ssh/authorized_keys"
+ ec2_init()
+ {
+         (
+         umask 022
+         # fetch the key pair from Amazon Web Services
+         EC2_SSH_KEY=$(ftp -o - "${METADATA_URL}${SSH_KEY_URL}")
+         if [ -n "$EC2_SSH_KEY" ]; then
+                 # A key pair is associated with this instance, add it
+                 # to root 'authorized_keys' file
+                 mkdir -p $(dirname "$SSH_KEY_FILE")
+                 touch "$SSH_KEY_FILE"
+                 cd $(dirname "$SSH_KEY_FILE")
+                 grep -q "$EC2_SSH_KEY" "$SSH_KEY_FILE"
+                 if [ $? -ne 0 ]; then
+                         echo "Setting EC2 SSH key pair: ${EC2_SSH_KEY##* }"
+                         echo "$EC2_SSH_KEY" >> "$SSH_KEY_FILE"
+                 fi
+         fi
+         # set hostname
+         HOSTNAME=$(ftp -o - "${METADATA_URL}${HOSTNAME_URL}")
+         echo "Setting EC2 hostname: ${HOSTNAME}"
+         echo "$HOSTNAME" > /etc/myname
+         hostname "$HOSTNAME"
+         )
+ }
+ load_rc_config $name
+ run_rc_command "$1"
+ """]]
+ Create various files and directories:
  [[!template id=programlisting text="""
  cd /mnt/ec2
- echo "dhcp" > etc/ifconfig.xennet0 # EC2 network configuration
+ # Add proc and kern directories
+ mkdir grub kern proc
+ # EC2 network configuration, via DHCP
+ echo "dhcp" > etc/ifconfig.xennet0
+ # Basic fstab entries
  cat > etc/fstab << EOF
  /dev/xbd1a /        ffs    rw 1 1
- /dev/xbd0a /grub    ext2   rw 2 2
+ /dev/xbd0a /grub    ext2fs rw 2 2
  kernfs     /kern    kernfs rw
  ptyfs      /dev/pts ptyfs  rw
  procfs     /proc    procfs rw
  EOF
+ # EC2 startup script (if you installed it)
+ if [ -f etc/rc.d/ec2-init ]; then
+     chmod 755 etc/rc.d/ec2-init
+ fi
  """]]
  You can then proceed to modifying the system living under */mnt/ec2*, so it can fit your needs (adding custom binaries, packages, etc). When done, build the *NetBSD-AMI.img* ffs image, via [[!template id=man name=makefs section=8]], or **nbmakefs**, from the [toolchain](http://www.netbsd.org/docs/guide/en/chap-build.html#chap-build-tools):
- Line 193  ATTACHMENT      vol-24f88d4c    i-5babe7
+ Line 262  ATTACHMENT      vol-24f88d4c    i-5babe7
  ## Snapshots!
+ Before we can connect to our brand new instance, we have to allow connections on SSH port (22) through the AWS EC2 firewall:
+ [[!template id=programlisting text="""
+ $ ec2-authorize default -p 22
+ GROUP           default
+ PERMISSION              default ALLOWS  tcp     22      22      FROM    CIDR    0.0.0.0/0
+ """]]
  We can now upload the kernel and the NetBSD disk image created earlier, *NetBSD-AMI.img*, to our instance host:
  [[!template id=programlisting text="""
  # Upload kernel to Linux AMI
- rsync -aPv -e "ssh -i $EC2_SSH_KEY" OBJ/sys/arch/amd64/compile/XEN3_DOMU/netbsd \
+ rsync -aPv -e "ssh -i $EC2_SSH_KEY" /usr/obj/sys/arch/amd64/compile/XEN3_DOMU/netbsd \
          ec2-user@ec2-67-202-24-108.compute-1.amazonaws.com:
  # Upload disk image
  rsync -aPv -e "ssh -i $EC2_SSH_KEY" NetBSD-AMI.img.gz \
          ec2-user@ec2-67-202-24-108.compute-1.amazonaws.com:
  """]]
- Before we can connect to our brand new instance, we have to allow connections on SSH port (22) through the AWS EC2 firewall:
- [[!template id=programlisting text="""
- $ ec2-authorize default -p 22
- GROUP           default
- PERMISSION              default ALLOWS  tcp     22      22      FROM    CIDR    0.0.0.0/0
- """]]
  Then, log in to the instance, via its name. We will format and mount the Grub partition, create the *menu.lst* file, then copy files to their respective partitions.
  [[!template id=programlisting text="""
- Line 284  We can proceed to the creation of our AM
+ Line 353  We can proceed to the creation of our AM
 . */dev/sda2* as root file-system (*/dev/sdf*, snapshot **snap-deef2bb2** of volume **vol-36f88d5e**)
  [[!template id=programlisting text="""
- $ ec2-register -a x86_64 --kernel aki-4e7d9527 --region us-east-1 \
+ $ ec2-register -a x86_64 --kernel aki-427d952b --region us-east-1 \
      -b "/dev/sda1=snap-8aef2be6" -b "/dev/sda2=snap-deef2bb2" -n "NetBSD-x86_64-current" \
      -d "&lt;add your own description here&gt;
  IMAGE   <strong>ami-74d0231d</strong>

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