279 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
			
		
		
	
	
			279 lines
		
	
	
		
			12 KiB
		
	
	
	
		
			Bash
		
	
	
		
			Executable File
		
	
	
	
	
#!/usr/bin/env nix-shell
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#! nix-shell -i bash -p qemu ec2_ami_tools jq ec2_api_tools awscli
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# To start with do: nix-shell -p awscli --run "aws configure"
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set -e
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set -o pipefail
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version=$(nix-instantiate --eval --strict '<nixpkgs>' -A lib.nixpkgsVersion | sed s/'"'//g)
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major=${version:0:5}
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echo "NixOS version is $version ($major)"
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stateDir=/var/tmp/ec2-image-$version
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echo "keeping state in $stateDir"
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mkdir -p $stateDir
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rm -f ec2-amis.nix
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types="hvm"
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stores="ebs"
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regions="eu-west-1 eu-west-2 eu-west-3 eu-central-1 us-east-1 us-east-2 us-west-1 us-west-2 ca-central-1 ap-southeast-1 ap-southeast-2 ap-northeast-1 ap-northeast-2 sa-east-1 ap-south-1"
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for type in $types; do
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    link=$stateDir/$type
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    imageFile=$link/nixos.qcow2
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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 $stores; do
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        bucket=nixos-amis
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        bucketDir="$version-$type-$store"
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        prevAmi=
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        prevRegion=
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        for region in $regions; do
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            name=nixos-$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=$(aws ec2 copy-image \
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                        --region "$region" \
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                        --source-region "$prevRegion" --source-image-id "$prevAmi" \
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                        --name "$name" --description "$description" | jq -r '.ImageId')
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                    if [ "$ami" = null ]; then break; fi
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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/$type-bundled
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                        # Convert the image to raw format.
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                        rawFile=$stateDir/$type.raw
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                        if ! [ -e $rawFile ]; then
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                            qemu-img convert -f qcow2 -O raw $imageFile $rawFile.tmp
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                            mv $rawFile.tmp $rawFile
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                        fi
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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 $rawFile --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 $imageDir/$type.raw.manifest.xml \
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                                -b "$bucket/$bucketDir" \
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                                -a "$AWS_ACCESS_KEY_ID" -s "$AWS_SECRET_ACCESS_KEY" \
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                                --location EU
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                            touch $imageDir/uploaded
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                        fi
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                        extraFlags="--image-location $bucket/$bucketDir/$type.raw.manifest.xml"
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                    else
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                        # Convert the image to vhd format so we don't have
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                        # to upload a huge raw image.
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                        vhdFile=$stateDir/$type.vhd
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                        if ! [ -e $vhdFile ]; then
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                            qemu-img convert -f qcow2 -O vpc $imageFile $vhdFile.tmp
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                            mv $vhdFile.tmp $vhdFile
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                        fi
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                        vhdFileLogicalBytes="$(qemu-img info "$vhdFile" | grep ^virtual\ size: | cut -f 2 -d \(  | cut -f 1 -d \ )"
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                        vhdFileLogicalGigaBytes=$(((vhdFileLogicalBytes-1)/1024/1024/1024+1)) # Round to the next GB
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                        echo "Disk size is $vhdFileLogicalBytes bytes. Will be registered as $vhdFileLogicalGigaBytes GB."
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                        taskId=$(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 $vhdFile --no-upload -f vhd \
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                                -O "$AWS_ACCESS_KEY_ID" -W "$AWS_SECRET_ACCESS_KEY" \
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                                -o "$AWS_ACCESS_KEY_ID" -w "$AWS_SECRET_ACCESS_KEY" \
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                                --region "$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 "$region" \
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                                -O "$AWS_ACCESS_KEY_ID" -W "$AWS_SECRET_ACCESS_KEY" \
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                                -o "$AWS_ACCESS_KEY_ID" -w "$AWS_SECRET_ACCESS_KEY"
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                        fi
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                        # Wait for the volume creation to finish.
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                        if [ -z "$snapId" -a -z "$volId" ]; then
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                            echo "waiting for import to finish..."
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                            while true; do
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                                volId=$(aws ec2 describe-conversion-tasks --conversion-task-ids "$taskId" --region "$region" | jq -r .ConversionTasks[0].ImportVolume.Volume.Id)
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                                if [ "$volId" != null ]; then break; fi
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                                sleep 10
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                            done
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                            echo -n "$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 "$region" \
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                                -O "$AWS_ACCESS_KEY_ID" -W "$AWS_SECRET_ACCESS_KEY" \
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                                -o "$AWS_ACCESS_KEY_ID" -w "$AWS_SECRET_ACCESS_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=$(aws ec2 create-snapshot --volume-id "$volId" --region "$region" --description "$description" | jq -r .SnapshotId)
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                            if [ "$snapId" = null ]; then exit 1; fi
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                            echo -n "$snapId" > $stateDir/$region.$type.snap-id
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                        fi
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                        # Wait for the snapshot to finish.
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                        echo "waiting for snapshot to finish..."
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                        while true; do
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                            status=$(aws ec2 describe-snapshots --snapshot-ids "$snapId" --region "$region" | jq -r .Snapshots[0].State)
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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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                            aws ec2 delete-volume --volume-id "$volId" --region "$region" || true
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                            rm -f $stateDir/$region.$type.vol-id
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                        fi
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                        blockDeviceMappings="DeviceName=/dev/sda1,Ebs={SnapshotId=$snapId,VolumeSize=$vhdFileLogicalGigaBytes,DeleteOnTermination=true,VolumeType=gp2}"
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                        extraFlags=""
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                        if [ $type = pv ]; then
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                            extraFlags+=" --root-device-name /dev/sda1"
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                        else
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                            extraFlags+=" --root-device-name /dev/sda1"
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                            extraFlags+=" --sriov-net-support simple"
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                            extraFlags+=" --ena-support"
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                        fi
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                        blockDeviceMappings+=" DeviceName=/dev/sdb,VirtualName=ephemeral0"
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                        blockDeviceMappings+=" DeviceName=/dev/sdc,VirtualName=ephemeral1"
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                        blockDeviceMappings+=" DeviceName=/dev/sdd,VirtualName=ephemeral2"
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                        blockDeviceMappings+=" DeviceName=/dev/sde,VirtualName=ephemeral3"
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                    fi
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                    if [ $type = hvm ]; then
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                        extraFlags+=" --sriov-net-support simple"
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                        extraFlags+=" --ena-support"
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                    fi
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                    # Register the AMI.
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                    if [ $type = pv ]; then
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                        kernel=$(aws ec2 describe-images --owner amazon --filters "Name=name,Values=pv-grub-hd0_1.05-$arch.gz" | jq -r .Images[0].ImageId)
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                        if [ "$kernel" = null ]; then break; fi
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                        echo "using PV-GRUB kernel $kernel"
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                        extraFlags+=" --virtualization-type paravirtual --kernel $kernel"
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                    else
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                        extraFlags+=" --virtualization-type hvm"
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                    fi
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                    ami=$(aws ec2 register-image \
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                        --name "$name" \
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                        --description "$description" \
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                        --region "$region" \
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                        --architecture "$arch" \
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                        --block-device-mappings $blockDeviceMappings \
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                        $extraFlags | jq -r .ImageId)
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                    if [ "$ami" = null ]; then break; fi
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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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            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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        done
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    done
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done
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for type in $types; do
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    link=$stateDir/$type
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    system=x86_64-linux
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    arch=x86_64
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    for store in $stores; do
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        for region in $regions; do
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            name=nixos-$version-$arch-$type-$store
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            amiFile=$stateDir/$region.$type.$store.ami-id
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            ami=$(cat $amiFile)
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            echo "region = $region, type = $type, store = $store, ami = $ami"
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            echo -n "waiting for AMI..."
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            while true; do
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                status=$(aws ec2 describe-images --image-ids "$ami" --region "$region" | jq -r .Images[0].State)
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                if [ "$status" = available ]; then break; fi
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                sleep 10
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                echo -n '.'
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            done
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            echo
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            # Make the image public.
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            aws ec2 modify-image-attribute \
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                --image-id "$ami" --region "$region" --launch-permission 'Add={Group=all}'
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            echo "  \"$major\".$region.$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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