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Before provisioning an FCOS machine, you must have an Ignition configuration file containing your customizations. If you do not have one, see xref:producing-ign.adoc[Producing an Ignition File].
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BUCKET='my-bucket'
FCOS_VERSION='...'
s3cmd put --acl-public "fedora-coreos-${FCOS_VERSION}-vultr.x86_64.raw" "s3://${BUCKET}/"
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Create the snapshot from your object URL, and note its ID.
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Creating a snapshot
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Fedora CoreOS comes in three streams, with different update schedules per stream. These steps show the `stable` stream as an example, but can be used for other streams too.
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Fetch the latest image suitable for your target stream (or https://getfedora.org/coreos/download/[download and verify] it from the web).
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https://www.vultr.com/docs/how-to-use-s3cmd-with-vultr-object-storage[Use s3cmd to upload] the raw image to your bucket, and note its public URL.
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If you do not want to use Ignition to get started, you can make use of the https://coreos.github.io/afterburn/platforms/[Afterburn support] and provide an SSH key via the cloud provider and continue from there.
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IMAGE_URL='https://...'
VULTR_API_KEY='<token>'
vultr-cli snapshot create-url -u "${IMAGE_URL}"
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Launching an instance from a snapshot
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NAME='instance1'
SNAPSHOT_ID='...'
REGION='ewr'
PLAN='vc2-2c-4gb'
vultr-cli instance create --region "${REGION}" --plan "${PLAN}" --snapshot "${SNAPSHOT_ID}" --label "${NAME}" --host "${NAME}" --userdata "$(cat example.ign)"
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Prerequisites
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Provisioning Fedora CoreOS on Vultr
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See https://www.vultr.com/docs/vultr-object-storage[Vultr documentation] for further details on how to create a bucket and configure `s3cmd` to use it.
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STREAM='stable'
coreos-installer download -s "${STREAM}" -p vultr -f raw.xz --decompress
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These steps show how to download a FCOS image and upload it to an existing storage bucket, in order to create a snapshot from that.
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This example creates a 2 vCPU, 4GB RAM instance named `instance1` in the New Jersey region. Use `vultr-cli regions list` and `vultr-cli plans list` for other options.
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This guide shows how to provision new Fedora CoreOS (FCOS) nodes on Vultr. FCOS images are currently not published directly on Vultr, but they can be uploaded as https://www.vultr.com/docs/requirements-for-uploading-an-os-iso-to-vultr[custom images].
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Using a custom snapshot
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Vultr supports creating custom snapshots from public raw images.
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