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c9bb291154
move the `trust` subcommands to a plugin, so that the subcommands can
be installed separate from the `docker trust` integration in push/pull
(for situations where trust verification happens on the daemon side).
make binary
go build -o /usr/libexec/docker/cli-plugins/docker-trust ./cmd/docker-trust
docker info
Client:
Version: 28.2.0-dev
Context: default
Debug Mode: false
Plugins:
buildx: Docker Buildx (Docker Inc.)
Version: v0.24.0
Path: /usr/libexec/docker/cli-plugins/docker-buildx
trust: Manage trust on Docker images (Docker Inc.)
Version: unknown-version
Path: /usr/libexec/docker/cli-plugins/docker-trust
docker trust --help
Usage: docker trust [OPTIONS] COMMAND
Extended build capabilities with BuildKit
Options:
-D, --debug Enable debug logging
Management Commands:
key Manage keys for signing Docker images
signer Manage entities who can sign Docker images
Commands:
inspect Return low-level information about keys and signatures
revoke Remove trust for an image
sign Sign an image
Run 'docker trust COMMAND --help' for more information on a command.
Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
5.4 KiB
5.4 KiB
trust signer remove
Remove a signer
Options
| Name | Type | Default | Description |
|---|---|---|---|
-f, --force |
bool |
Do not prompt for confirmation before removing the most recent signer |
Description
docker trust signer remove removes signers from signed repositories.
Examples
Remove a signer from a repository
To remove an existing signer, alice, from this repository:
$ docker trust inspect --pretty example/trust-demo
No signatures for example/trust-demo
List of signers and their keys:
SIGNER KEYS
alice 05e87edcaecb
bob 5600f5ab76a2
Administrative keys for example/trust-demo:
Repository Key: ecc457614c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key: 3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949
Remove alice with docker trust signer remove:
$ docker trust signer remove alice example/trust-demo
Removing signer "alice" from image example/trust-demo...
Enter passphrase for repository key with ID 642692c:
Successfully removed alice from example/trust-demo
docker trust inspect --pretty now doesn't list alice as a valid signer:
$ docker trust inspect --pretty example/trust-demo
No signatures for example/trust-demo
List of signers and their keys:
SIGNER KEYS
bob 5600f5ab76a2
Administrative keys for example/trust-demo:
Repository Key: ecc457614c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key: 3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949
Remove a signer from multiple repositories
To remove an existing signer, alice, from multiple repositories:
$ docker trust inspect --pretty example/trust-demo
SIGNED TAG DIGEST SIGNERS
v1 74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4 alice, bob
List of signers and their keys:
SIGNER KEYS
alice 05e87edcaecb
bob 5600f5ab76a2
Administrative keys for example/trust-demo:
Repository Key: 95b9e5514c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key: 3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949
$ docker trust inspect --pretty example/trust-demo2
SIGNED TAG DIGEST SIGNERS
v1 74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4 alice, bob
List of signers and their keys:
SIGNER KEYS
alice 05e87edcaecb
bob 5600f5ab76a2
Administrative keys for example/trust-demo2:
Repository Key: ece554f14c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4553d2ab20a8d9268
Root Key: 3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949
Remove alice from both images with a single docker trust signer remove command:
$ docker trust signer remove alice example/trust-demo example/trust-demo2
Removing signer "alice" from image example/trust-demo...
Enter passphrase for repository key with ID 95b9e55:
Successfully removed alice from example/trust-demo
Removing signer "alice" from image example/trust-demo2...
Enter passphrase for repository key with ID ece554f:
Successfully removed alice from example/trust-demo2
Run docker trust inspect --pretty to confirm that alice is no longer listed as a valid
signer of either example/trust-demo or example/trust-demo2:
$ docker trust inspect --pretty example/trust-demo
SIGNED TAG DIGEST SIGNERS
v1 74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4 bob
List of signers and their keys:
SIGNER KEYS
bob 5600f5ab76a2
Administrative keys for example/trust-demo:
Repository Key: ecc457614c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4555b3c6ab02f71e
Root Key: 3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949
$ docker trust inspect --pretty example/trust-demo2
SIGNED TAG DIGEST SIGNERS
v1 74d4bfa917d55d53c7df3d2ab20a8d926874d61c3da5ef6de15dd2654fc467c4 bob
List of signers and their keys:
SIGNER KEYS
bob 5600f5ab76a2
Administrative keys for example/trust-demo2:
Repository Key: ece554f14c9fc399da523a5f4e24fe306a0a6ee1cc79a10e4553d2ab20a8d9268
Root Key: 3cb2228f6561e58f46dbc4cda4fcaff9d5ef22e865a94636f82450d1d2234949
docker trust signer remove removes signers to repositories on a best effort basis.
It continues to remove the signer from subsequent repositories if one attempt fails:
$ docker trust signer remove alice example/unauthorized example/authorized
Removing signer "alice" from image example/unauthorized...
No signer alice for image example/unauthorized
Removing signer "alice" from image example/authorized...
Enter passphrase for repository key with ID c6772a0:
Successfully removed alice from example/authorized
Error removing signer from: example/unauthorized