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Add ebsnvme-id to EC2 AMIs and enable /dev/aws/disk

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The ebsnvme-id utility exposes information about EC2 disks -- for
Elastic Block Store volumes, their volume IDs and "linux device
names", and for Instance Store (aka "Ephemeral") disks, their
serial numbers.

The dev_aws_disk rc.d script and associated devd.conf rule maintains
a tree under /dev/aws/disk:
	/dev/aws/disk/ebs/<volume ID>
	/dev/aws/disk/linuxname/<linux device name>
	/dev/aws/disk/ephemeral/<serial number>
which are symlinks to the corresponding nda or nvd devices.

MFC after:	1 week
Sponsored by:	https://www.patreon.com/cperciva
This commit is contained in:
Colin Percival 2020-05-18 02:14:25 +00:00
parent 20076f97fd
commit 5f148eeefd
1 changed files with 2 additions and 2 deletions
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4
release/tools/ec2.conf
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@ -6,7 +6,7 @@
# Packages to install into the image we're creating. This is a deliberately
# minimalist set, providing only the packages necessary to bootstrap further
# package installation as specified via EC2 user-data.
export VM_EXTRA_PACKAGES="ec2-scripts firstboot-freebsd-update firstboot-pkgs dual-dhclient-daemon"
export VM_EXTRA_PACKAGES="ec2-scripts firstboot-freebsd-update firstboot-pkgs dual-dhclient-daemon ebsnvme-id"
# Include the amazon-ssm-agent package in amd64 images, since some users want
# to be able to use it on systems which are not connected to the Internet.
@ -17,7 +17,7 @@ if [ "${TARGET_ARCH}" = "amd64" ]; then
fi
# Set to a list of third-party software to enable in rc.conf(5).
export VM_RC_LIST="ec2_configinit ec2_fetchkey ec2_loghostkey firstboot_freebsd_update firstboot_pkgs ntpd"
export VM_RC_LIST="ec2_configinit ec2_fetchkey ec2_loghostkey firstboot_freebsd_update firstboot_pkgs ntpd dev_aws_disk"
# Build with a 3.9 GB UFS partition; the growfs rc.d script will expand
# the partition to fill the root disk after the EC2 instance is launched.