mirror of
https://github.com/imjasonh/gcloud-help
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133 lines
4 KiB
Text
133 lines
4 KiB
Text
NAME
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gcloud container binauthz - manage attestations for Binary Authorization on
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Google Cloud Platform
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SYNOPSIS
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gcloud container binauthz GROUP | COMMAND [GCLOUD_WIDE_FLAG ...]
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DESCRIPTION
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Binary Authorization is a feature which allows binaries to run on Google
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Cloud Platform only if they are appropriately attested. Binary
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Authorization is configured by creating a policy.
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EXAMPLES
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This example assumes that you have created a keypair using gpg, usually by
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running gpg --gen-key ..., with Name-Email set to
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attesting_user@example.com for your attestor.
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First, some convenience variables for brevity:
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ATTESTING_USER="attesting_user@example.com"
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DIGEST="000000000000000000000000000000000000000000000000000000000000abcd"
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ARTIFACT_URL="gcr.io/example-project/example-image@sha256:${DIGEST}"
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ATTESTOR_NAME="projects/example-project/attestors/canary"
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Export your key's fingerprint (note this may differ based on version and
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implementations of gpg):
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gpg \
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--with-colons \
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--with-fingerprint \
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--force-v4-certs \
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--list-keys \
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"${ATTESTING_USER}" | grep fpr | cut --delimiter=':' --fields 10
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This should produce a 40 character, hexidecimal encoded string. See
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https://tools.ietf.org/html/rfc4880#section-12.2 for more information on
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key fingerprints.
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Create your attestation payload:
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gcloud container binauthz create-signature-payload \
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--artifact-url="${ARTIFACT_URL}" \
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> example_payload.txt
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Create a signature from your attestation payload:
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gpg \
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--local-user "${ATTESTING_USER}" \
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--armor \
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--clearsign \
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--output example_signature.pgp \
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example_payload.txt
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Upload the attestation:
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gcloud container binauthz attestations create \
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--public-key-id=${KEY_FINGERPRINT} \
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--signature-file=example_signature.pgp \
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--artifact-url="${ARTIFACT_URL}" \
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--attestor=${ATTESTOR_NAME}
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List the attestation by artifact URL. --format can be passed to output the
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attestations as json or another supported format:
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gcloud container binauthz attestations list \
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--artifact-url="${ARTIFACT_URL}" \
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--format=yaml
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---
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- |
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-----BEGIN PGP PUBLIC KEY BLOCK-----
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Version: GnuPG v1
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... SNIP ...
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-----END PGP PUBLIC KEY BLOCK-----
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- |
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-----BEGIN PGP SIGNED MESSAGE-----
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Hash: SHA1
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... SNIP ...
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-----BEGIN PGP SIGNATURE-----
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Version: GnuPG v1
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... SNIP ...
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-----END PGP SIGNATURE-----
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List all artifact URLs on the project for which Container Analysis
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Occurrences exist. This list includes the list of all URLs with BinAuthz
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attestations:
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gcloud container binauthz attestations list
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---
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https://gcr.io/example-project/example-image@sha256:000000000000000000000000000000000000000000000000000000000000abcd
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...
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Listing also works for kind=ATTESTATION_AUTHORITY attestations, just pass
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the attestor:
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gcloud container binauthz attestations list \
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--artifact-url="${ARTIFACT_URL}" \
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--attestor=${ATTESTOR_NAME} \
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--format=yaml
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...
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GCLOUD WIDE FLAGS
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These flags are available to all commands: --help.
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Run $ gcloud help for details.
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GROUPS
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GROUP is one of the following:
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attestations
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Create and manage Google Binary Authorization attestations.
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attestors
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Create and manage Google Binary Authorization Attestors.
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policy
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Create and manage Google Binary Authorization policies.
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COMMANDS
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COMMAND is one of the following:
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create-signature-payload
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Create a JSON container image signature object.
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NOTES
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These variants are also available:
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$ gcloud alpha container binauthz
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$ gcloud beta container binauthz
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