55 lines
2.1 KiB
Python
Executable file
55 lines
2.1 KiB
Python
Executable file
#! /usr/bin/env python
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import sys
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from charon import deployment
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from boto.ec2.blockdevicemapping import BlockDeviceMapping, BlockDeviceType
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import charon.util
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depl = deployment.Deployment("./ebs-creator.json", create=True, nix_exprs=["./ebs-creator.nix"])
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depl.deploy()
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m = depl.machines['machine']
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# Do the installation.
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m.run_command("if mountpoint -q /mnt; then umount /mnt; fi")
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m.run_command("mkfs.ext4 -L nixos /dev/xvdg")
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m.run_command("mkdir -p /mnt")
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m.run_command("mount /dev/xvdg /mnt")
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m.run_command("touch /mnt/.ebs")
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m.run_command("mkdir -p /mnt/etc/nixos")
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m.run_command("cp /etc/nixos/configuration.nix /mnt/etc/nixos/") # FIXME
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m.run_command("nixos-checkout") # FIXME
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m.run_command("nixos-install")
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m.run_command("umount /mnt")
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# Create a snapshot.
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m.connect()
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volume = m._conn.get_all_volumes([], filters={'attachment.instance-id': m._instance_id, 'attachment.device': "/dev/sdg"})[0]
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snapshot = volume.create_snapshot(description="NixOS EBS root disk")
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#snapshot = m._conn.get_all_snapshots(["snap-f1c9679a"])[0]
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print >> sys.stderr, "created snapshot {0}".format(snapshot.id)
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# Wait for the snapshot to finish.
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def check():
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status = snapshot.update()
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print >> sys.stderr, "snapshot status is {0}".format(status)
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return status == '100%'
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charon.util.check_wait(check, max_tries=120)
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# Register the image.
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aki = m._conn.get_all_images(filters={'manifest-location': '*pv-grub-hd0_1.03-x86_64*'})[0]
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print >> sys.stderr, "using kernel image %s - %s" %(aki.id, aki.location)
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block_map = BlockDeviceMapping()
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block_map['/dev/sda'] = BlockDeviceType(snapshot_id=snapshot.id, delete_on_termination=True)
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block_map['/dev/sdb'] = BlockDeviceType(ephemeral_name="ephemeral0")
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block_map['/dev/sdc'] = BlockDeviceType(ephemeral_name="ephemeral1")
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block_map['/dev/sdd'] = BlockDeviceType(ephemeral_name="ephemeral2")
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block_map['/dev/sde1'] = BlockDeviceType(ephemeral_name="ephemeral3")
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ami_id = m._conn.register_image(
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name="nixos-x86-64-ebs-test-9", description="NixOS (x86_64) EBS test", architecture="x86_64",
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root_device_name="/dev/sda", kernel_id=aki.id, block_device_map=block_map)
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print >> sys.stderr, "registered AMI {0}".format(ami_id)
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