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80 lines
3.8 KiB
80 lines
3.8 KiB
7 months ago
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# For more information on this configuration file, see containers-registries.conf(5).
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#
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# NOTE: RISK OF USING UNQUALIFIED IMAGE NAMES
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# We recommend always using fully qualified image names including the registry
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# server (full dns name), namespace, image name, and tag
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# (e.g., registry.redhat.io/ubi8/ubi:latest). Pulling by digest (i.e.,
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# quay.io/repository/name@digest) further eliminates the ambiguity of tags.
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# When using short names, there is always an inherent risk that the image being
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# pulled could be spoofed. For example, a user wants to pull an image named
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# `foobar` from a registry and expects it to come from myregistry.com. If
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# myregistry.com is not first in the search list, an attacker could place a
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# different `foobar` image at a registry earlier in the search list. The user
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# would accidentally pull and run the attacker's image and code rather than the
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# intended content. We recommend only adding registries which are completely
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# trusted (i.e., registries which don't allow unknown or anonymous users to
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# create accounts with arbitrary names). This will prevent an image from being
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# spoofed, squatted or otherwise made insecure. If it is necessary to use one
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# of these registries, it should be added at the end of the list.
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#
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# # An array of host[:port] registries to try when pulling an unqualified image, in order.
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unqualified-search-registries = ["registry.access.redhat.com", "registry.redhat.io", "docker.io"]
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# [[registry]]
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# # The "prefix" field is used to choose the relevant [[registry]] TOML table;
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# # (only) the TOML table with the longest match for the input image name
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# # (taking into account namespace/repo/tag/digest separators) is used.
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# #
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# # The prefix can also be of the form: *.example.com for wildcard subdomain
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# # matching.
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# #
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# # If the prefix field is missing, it defaults to be the same as the "location" field.
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# prefix = "example.com/foo"
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#
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# # If true, unencrypted HTTP as well as TLS connections with untrusted
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# # certificates are allowed.
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# insecure = false
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#
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# # If true, pulling images with matching names is forbidden.
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# blocked = false
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#
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# # The physical location of the "prefix"-rooted namespace.
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# #
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# # By default, this is equal to "prefix" (in which case "prefix" can be omitted
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# # and the [[registry]] TOML table can only specify "location").
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# #
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# # Example: Given
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# # prefix = "example.com/foo"
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# # location = "internal-registry-for-example.net/bar"
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# # requests for the image example.com/foo/myimage:latest will actually work with the
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# # internal-registry-for-example.net/bar/myimage:latest image.
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#
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# # The location can be empty iff prefix is in a
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# # wildcarded format: "*.example.com". In this case, the input reference will
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# # be used as-is without any rewrite.
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# location = internal-registry-for-example.com/bar"
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#
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# # (Possibly-partial) mirrors for the "prefix"-rooted namespace.
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# #
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# # The mirrors are attempted in the specified order; the first one that can be
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# # contacted and contains the image will be used (and if none of the mirrors contains the image,
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# # the primary location specified by the "registry.location" field, or using the unmodified
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# # user-specified reference, is tried last).
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# #
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# # Each TOML table in the "mirror" array can contain the following fields, with the same semantics
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# # as if specified in the [[registry]] TOML table directly:
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# # - location
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# # - insecure
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# [[registry.mirror]]
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# location = "example-mirror-0.local/mirror-for-foo"
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# [[registry.mirror]]
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# location = "example-mirror-1.local/mirrors/foo"
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# insecure = true
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# # Given the above, a pull of example.com/foo/image:latest will try:
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# # 1. example-mirror-0.local/mirror-for-foo/image:latest
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# # 2. example-mirror-1.local/mirrors/foo/image:latest
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# # 3. internal-registry-for-example.net/bar/image:latest
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# # in order, and use the first one that exists.
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short-name-mode = "permissive"
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