218 lines
8.8 KiB
Bash
Executable File
218 lines
8.8 KiB
Bash
Executable File
#! /bin/sh -e
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set -o pipefail
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#set -x
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stateDir=${TMPDIR:-/tmp}/ec2-image
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echo "keeping state in $stateDir"
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mkdir -p $stateDir
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version=$(nix-instantiate --eval --strict '<nixpkgs>' -A lib.nixpkgsVersion | sed s/'"'//g)
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echo "NixOS version is $version"
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rm -f ec2-amis.nix
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for type in hvm pv; do
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link=$stateDir/$type
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imageFile=$link/nixos.img
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system=x86_64-linux
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arch=x86_64
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# Build the image.
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if ! [ -L $link ]; then
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if [ $type = pv ]; then hvmFlag=false; else hvmFlag=true; fi
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echo "building image type '$type'..."
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nix-build -o $link \
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'<nixpkgs/nixos>' \
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-A config.system.build.amazonImage \
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--arg configuration "{ imports = [ <nixpkgs/nixos/maintainers/scripts/ec2/amazon-image.nix> ]; ec2.hvm = $hvmFlag; }"
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fi
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for store in ebs s3; do
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bucket=nixos-amis
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bucketDir="$version-$type-$store"
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prevAmi=
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prevRegion=
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for region in eu-west-1 eu-central-1 us-east-1 us-west-1 us-west-2 ap-southeast-1 ap-southeast-2 ap-northeast-1 sa-east-1; do
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name=nixos-$version-$arch-$type-$store
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description="NixOS $system $version ($type-$store)"
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amiFile=$stateDir/$region.$type.$store.ami-id
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if ! [ -e $amiFile ]; then
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echo "doing $name in $region..."
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if [ -n "$prevAmi" ]; then
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ami=$(ec2-copy-image \
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--region "$region" \
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--source-region "$prevRegion" --source-ami-id "$prevAmi" \
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--name "$name" --description "$description" | cut -f 2)
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else
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if [ $store = s3 ]; then
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# Bundle the image.
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imageDir=$stateDir/$type-bundled
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if ! [ -d $imageDir ]; then
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rm -rf $imageDir.tmp
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mkdir -p $imageDir.tmp
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ec2-bundle-image \
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-d $imageDir.tmp \
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-i $imageFile --arch $arch \
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--user "$AWS_ACCOUNT" -c "$EC2_CERT" -k "$EC2_PRIVATE_KEY"
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mv $imageDir.tmp $imageDir
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fi
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# Upload the bundle to S3.
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if ! [ -e $imageDir/uploaded ]; then
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echo "uploading bundle to S3..."
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ec2-upload-bundle \
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-m $imageDir/nixos.img.manifest.xml \
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-b "$bucket/$bucketDir" \
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-a "$EC2_ACCESS_KEY" -s "$EC2_SECRET_KEY" \
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--location EU
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touch $imageDir/uploaded
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fi
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extraFlags="$bucket/$bucketDir/nixos.img.manifest.xml"
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else
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# Convert the image to vhd format so we don't have
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# to upload a huge raw image.
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vhdFile=$stateDir/$type.vhd
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if ! [ -e $vhdFile ]; then
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qemu-img convert -O vpc $imageFile $vhdFile.tmp
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mv $vhdFile.tmp $vhdFile
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fi
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taskId=$(cat $stateDir/$region.$type.task-id 2> /dev/null || true)
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volId=$(cat $stateDir/$region.$type.vol-id 2> /dev/null || true)
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snapId=$(cat $stateDir/$region.$type.snap-id 2> /dev/null || true)
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# Import the VHD file.
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if [ -z "$snapId" -a -z "$volId" -a -z "$taskId" ]; then
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echo "importing $vhdFile..."
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taskId=$(ec2-import-volume $vhdFile --no-upload -f vhd \
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-o "$EC2_ACCESS_KEY" -w "$EC2_SECRET_KEY" \
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--region "$region" -z "${region}a" \
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--bucket "$bucket" --prefix "$bucketDir/" \
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| tee /dev/stderr \
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| sed 's/.*\(import-vol-[0-9a-z]\+\).*/\1/ ; t ; d')
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echo -n "$taskId" > $stateDir/$region.$type.task-id
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fi
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if [ -z "$snapId" -a -z "$volId" ]; then
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ec2-resume-import $vhdFile -t "$taskId" --region "$region" \
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-o "$EC2_ACCESS_KEY" -w "$EC2_SECRET_KEY"
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fi
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# Wait for the volume creation to finish.
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if [ -z "$snapId" -a -z "$volId" ]; then
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echo "waiting for import to finish..."
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while true; do
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volId=$(ec2-describe-conversion-tasks "$taskId" --region "$region" | sed 's/.*VolumeId.*\(vol-[0-9a-f]\+\).*/\1/ ; t ; d')
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if [ -n "$volId" ]; then break; fi
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sleep 10
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done
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echo -n "$volId" > $stateDir/$region.$type.vol-id
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fi
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# Delete the import task.
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if [ -n "$volId" -a -n "$taskId" ]; then
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echo "removing import task..."
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ec2-delete-disk-image -t "$taskId" --region "$region" -o "$EC2_ACCESS_KEY" -w "$EC2_SECRET_KEY" || true
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rm -f $stateDir/$region.$type.task-id
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fi
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# Create a snapshot.
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if [ -z "$snapId" ]; then
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echo "creating snapshot..."
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snapId=$(ec2-create-snapshot "$volId" --region "$region" | cut -f 2)
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echo -n "$snapId" > $stateDir/$region.$type.snap-id
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ec2-create-tags "$snapId" -t "Name=$description" --region "$region"
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fi
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# Wait for the snapshot to finish.
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echo "waiting for snapshot to finish..."
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while true; do
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status=$(ec2-describe-snapshots "$snapId" --region "$region" | head -n1 | cut -f 4)
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if [ "$status" = completed ]; then break; fi
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sleep 10
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done
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# Delete the volume.
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if [ -n "$volId" ]; then
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echo "deleting volume..."
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ec2-delete-volume "$volId" --region "$region" || true
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rm -f $stateDir/$region.$type.vol-id
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fi
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extraFlags="-b /dev/sda1=$snapId:20:true:gp2"
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if [ $type = pv ]; then
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extraFlags+=" --root-device-name=/dev/sda1"
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fi
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extraFlags+=" -b /dev/sdb=ephemeral0 -b /dev/sdc=ephemeral1 -b /dev/sdd=ephemeral2 -b /dev/sde=ephemeral3"
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fi
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# Register the AMI.
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if [ $type = pv ]; then
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kernel=$(ec2-describe-images -o amazon --filter "manifest-location=*pv-grub-hd0_1.04-$arch*" --region "$region" | cut -f 2)
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[ -n "$kernel" ]
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echo "using PV-GRUB kernel $kernel"
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extraFlags+=" --virtualization-type paravirtual --kernel $kernel"
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else
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extraFlags+=" --virtualization-type hvm"
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fi
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ami=$(ec2-register \
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-n "$name" \
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-d "$description" \
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--region "$region" \
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--architecture "$arch" \
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$extraFlags | cut -f 2)
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fi
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echo -n "$ami" > $amiFile
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echo "created AMI $ami of type '$type' in $region..."
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else
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ami=$(cat $amiFile)
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fi
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if [ -z "$NO_WAIT" -o -z "$prevAmi" ]; then
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echo "waiting for AMI..."
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while true; do
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status=$(ec2-describe-images "$ami" --region "$region" | head -n1 | cut -f 5)
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if [ "$status" = available ]; then break; fi
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sleep 10
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done
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ec2-modify-image-attribute \
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--region "$region" "$ami" -l -a all
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fi
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echo "region = $region, type = $type, store = $store, ami = $ami"
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if [ -z "$prevAmi" ]; then
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prevAmi="$ami"
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prevRegion="$region"
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fi
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echo " \"15.09\".$region.$type-$store = \"$ami\";" >> ec2-amis.nix
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done
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done
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done
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