This means it now has three states, `true`, `false`, & `nil`. The
default state is now `nil` which does nothing instead of `false` which
now will explicitly disable ENA support instead of just not enabling it.
Documentation for ebssurrogate states that all of the devices in
`launch_block_device_mappings` are snapshotted and included in the
image. In fact, only the device that was designated as the root
device was snapshotted. This patch modifies the builder to create
snapshots of all the devices and include them in the image. This
allows creating images with separate filesystems preconfigured,
rather than having to add volumes to `ami_block_device_mappings`
and configure them after boot.
Run now takes a context as well as a statebag. We'll assign the context
to the blank identifier to prevent namespace collisions. We'll let the
step authors opt-in to using the context.
`find . -iname "step_*.go" -exec gsed -i'' 's/func \(.*\)Run(/func \1Run(_ context.Context, /' {} \;`
As pointed out in the initial code review of #4351, some of the steps
from the standard EBS builder were (intetionally) omitted. It turns out
that these actually are useful, and the original rationale for the
omission was wrong. Consequently, this commit adds in the following
steps:
- `StepPrevalidate`
- `StepTagEBSVolumes`
- `StepDeregisterAMI`
- `StepCreateEncryptedAMICopy`
- `StepAMIRegionCopy`
- `StepModifyAMIAttribute`
- `StepCreateTags`
We also fix the interpolation filter and documentation to reflect these
additions, though the majority were already documented and just not
functional.
This commit removes the root volume from the list of launch block device
mappings passed to the image, since it is already passed in the form of
a snapshot (which is then configured to be the root device). Without
this commit, AMIs created using this builder have two root volumes
attached on launch.
Set SriovNetSupport to "simple". As of February 2017, this applies to C3, C4,
D2, I2, R3, and M4 (excluding m4.16xlarge).
Set EnaSupport to true. As of February 2017, this applies to C5, I3, P2, R4,
X1, and m4.16xlarge.
This commit adds a new type of builder which builds an AMI based on a
snapshot of an EBS volume which is provisioned on a "surrogate"
instance. This can be used to build operating system images from
scratch, but unlike the `chroot` builder does not require running from
an AWS EC2 instance.
Megan Marsh
Matt Dainty
Joseph Wright
Matthew Hooker
James Nugent
Aaron Stone