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Auto-create a keypair during EBS AMI creation

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This commit is contained in:
Eelco Dolstra 2013-01-25 17:11:49 +01:00
parent 6d19777455
commit e732b84dd5
2 changed files with 27 additions and 18 deletions
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38
maintainers/scripts/ec2/create-ebs-amis.py
View file

@ -10,28 +10,29 @@ from boto.ec2.blockdevicemapping import BlockDeviceMapping, BlockDeviceType
parser = argparse.ArgumentParser(description='Create an EBS-backed NixOS AMI')
parser.add_argument('--region', dest='region', required=True, help='EC2 region')
parser.add_argument('--key', dest='key_name', default="eelco", help='EC2 keypair')
parser.add_argument('--keep', dest='keep', action='store_true', help='Keep Charon machine after use')
parser.add_argument('--hvm', dest='hvm', action='store_true', help='Create HVM image')
args = parser.parse_args()
instance_type = "cc1.4xlarge" if args.hvm else "m1.small"
key_name = args.key_name
ebs_size = 8 if args.hvm else 20
# Start a NixOS machine in the given region.
f = open("ebs-creator-config.nix", "w")
f.write('''{{
resources.ec2KeyPairs.keypair.accessKeyId = "logicblox-dev";
resources.ec2KeyPairs.keypair.region = "{0}";
machine =
{{ pkgs, ... }}:
{{
deployment.ec2.accessKeyId = "logicblox-dev";
deployment.ec2.region = "{0}";
deployment.ec2.keyPair = pkgs.lib.mkOverride 10 "{1}";
deployment.ec2.blockDeviceMapping."/dev/xvdg".size = pkgs.lib.mkOverride 10 {2};
deployment.ec2.blockDeviceMapping."/dev/xvdg".size = pkgs.lib.mkOverride 10 {1};
}};
}}
'''.format(args.region, key_name, ebs_size))
'''.format(args.region, ebs_size))
f.close()
db = deployment.open_database(deployment.get_default_state_file())
@ -67,7 +68,7 @@ m.run_command("nixos-rebuild switch")
version = m.run_command("nixos-version", capture_stdout=True).replace('"', '').rstrip()
print >> sys.stderr, "NixOS version is {0}".format(version)
m.run_command("cp -f $(nix-instantiate --find-file nixos/modules/virtualisation/amazon-config.nix) /mnt/etc/nixos/configuration.nix")
m.run_command("nixos-install")
m.run_command("./nixos-install")
if args.hvm:
m.run_command('cp /mnt/nix/store/*-grub-0.97*/lib/grub/i386-pc/* /mnt/boot/grub')
m.run_command('sed -i "s|hd0|hd0,0|" /mnt/boot/grub/menu.lst')
@ -164,16 +165,23 @@ image.set_launch_permissions(user_ids=[], group_names=["all"])
f = open("ebs-test.nix", "w")
f.write(
'''
{{ network.description = "NixOS EBS test";
machine.deployment.targetEnv = "ec2";
machine.deployment.ec2.region = "{0}";
machine.deployment.ec2.instanceType = "{2}";
machine.deployment.ec2.keyPair = "{3}";
machine.deployment.ec2.securityGroups = [ "eelco-test" ];
machine.deployment.ec2.ami = "{1}";
machine.fileSystems = [];
{{
network.description = "NixOS EBS test";
resources.ec2KeyPairs.keypair.accessKeyId = "logicblox-dev";
resources.ec2KeyPairs.keypair.region = "{0}";
machine = {{ config, pkgs, resources, ... }}: {{
deployment.targetEnv = "ec2";
deployment.ec2.accessKeyId = "logicblox-dev";
deployment.ec2.region = "{0}";
deployment.ec2.instanceType = "{2}";
deployment.ec2.keyPair = resources.ec2KeyPairs.keypair.name;
deployment.ec2.securityGroups = [ "admin" ];
deployment.ec2.ami = "{1}";
}};
}}
'''.format(args.region, ami_id, instance_type, key_name))
'''.format(args.region, ami_id, instance_type))
f.close()
test_depl = deployment.create_deployment(db)

7
maintainers/scripts/ec2/ebs-creator.nix
View file

@ -2,11 +2,12 @@
network.description = "NixOS EBS creator";
machine =
{ config, pkgs, ... }:
{ config, pkgs, resources, ... }:
{ deployment.targetEnv = "ec2";
deployment.ec2.instanceType = "m1.small";
deployment.ec2.instanceType = "m1.large";
deployment.ec2.securityGroups = [ "admin" ];
deployment.ec2.ebsBoot = false;
deployment.ec2.keyPair = resources.ec2KeyPairs.keypair.name;
environment.systemPackages = [ pkgs.parted ];
fileSystems = [];
};
}