Add oci.manifest.digest, container.image.repo_digests and make container.image.tag array (#159)
Co-authored-by: Joao Grassi <joao.grassi@dynatrace.com>
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Chris Mark
GitHub
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@ -12,6 +12,8 @@ release.
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- Update `.count` metric naming convention so that it only applies to UpDownCounters,
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and add that `.total` should not be used by either Counters or UpDownCounters
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([#107](https://github.com/open-telemetry/semantic-conventions/pull/107))
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- Add `oci.manifest.digest`, `container.image.repo_digests` attributes. Make `container.image.tag` array and in plural form.
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([#159](https://github.com/open-telemetry/semantic-conventions/pull/159))
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- BREAKING: Rename `http.client.duration` and `http.server.duration` metrics to
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`http.client.request.duration` and `http.server.request.duration` respectively.
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([#224](https://github.com/open-telemetry/semantic-conventions/pull/224))
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@ -13,17 +13,44 @@
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| `container.id` | string | Container ID. Usually a UUID, as for example used to [identify Docker containers](https://docs.docker.com/engine/reference/run/#container-identification). The UUID might be abbreviated. | `a3bf90e006b2` | Recommended |
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| `container.runtime` | string | The container runtime managing this container. | `docker`; `containerd`; `rkt` | Recommended |
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| `container.image.name` | string | Name of the image the container was built on. | `gcr.io/opentelemetry/operator` | Recommended |
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| `container.image.tag` | string | Container image tag. | `0.1` | Recommended |
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| `container.image.tags` | string[] | Container image tags. An example can be found in [Docker Image Inspect](https://docs.docker.com/engine/api/v1.43/#tag/Image/operation/ImageInspect). Should be only the `<tag>` section of the full name for example from `registry.example.com/my-org/my-image:<tag>`. | `[v1.27.1, 3.5.7-0]` | Recommended |
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| `container.image.id` | string | Runtime specific image identifier. Usually a hash algorithm followed by a UUID. [1] | `sha256:19c92d0a00d1b66d897bceaa7319bee0dd38a10a851c60bcec9474aa3f01e50f` | Recommended |
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| `container.command` | string | The command used to run the container (i.e. the command name). [2] | `otelcontribcol` | Opt-In |
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| `container.image.repo_digests` | string[] | Repo digests of the container image as provided by the container runtime. [2] | `[example@sha256:afcc7f1ac1b49db317a7196c902e61c6c3c4607d63599ee1a82d702d249a0ccb, internal.registry.example.com:5000/example@sha256:b69959407d21e8a062e0416bf13405bb2b71ed7a84dde4158ebafacfa06f5578]` | Recommended |
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| `container.command` | string | The command used to run the container (i.e. the command name). [3] | `otelcontribcol` | Opt-In |
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| `container.command_line` | string | The full command run by the container as a single string representing the full command. [2] | `otelcontribcol --config config.yaml` | Opt-In |
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| `container.command_args` | string[] | All the command arguments (including the command/executable itself) run by the container. [2] | `[otelcontribcol, --config, config.yaml]` | Opt-In |
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**[1]:** Docker defines a sha256 of the image id; `container.image.id` corresponds to the `Image` field from the Docker container inspect [API](https://docs.docker.com/engine/api/v1.43/#tag/Container/operation/ContainerInspect) endpoint.
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K8s defines a link to the container registry repository with digest `"imageID": "registry.azurecr.io /namespace/service/dockerfile@sha256:bdeabd40c3a8a492eaf9e8e44d0ebbb84bac7ee25ac0cf8a7159d25f62555625"`.
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OCI defines a digest of manifest.
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The ID is assinged by the container runtime and can vary in different environments. Consider using `oci.manifest.digest` if it is important to identify the same image in different environments/runtimes.
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**[2]:** If using embedded credentials or sensitive data, it is recommended to remove them to prevent potential leakage.
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**[2]:** [Docker](https://docs.docker.com/engine/api/v1.43/#tag/Image/operation/ImageInspect) and [CRI](https://github.com/kubernetes/cri-api/blob/c75ef5b473bbe2d0a4fc92f82235efd665ea8e9f/pkg/apis/runtime/v1/api.proto#L1237-L1238) report those under the `RepoDigests` field.
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**[3]:** If using embedded credentials or sensitive data, it is recommended to remove them to prevent potential leakage.
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<!-- endsemconv -->
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## Open Container Initiative (OCI)
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The [Open Container Initiative](https://opencontainers.org/) defines open industry standards around container formats and runtimes.
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### OCI Image Manifest
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This section refers to the [specification](https://github.com/opencontainers/image-spec/blob/main/manifest.md)
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that defines an OCI Image manifest.
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**Status**: [Experimental][DocumentStatus]
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**type:** `oci`
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**Description:** Attributes of an OCI image manifest.
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<!-- semconv oci.manifest -->
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| Attribute | Type | Description | Examples | Requirement Level |
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|---|---|---|---|---|
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| `oci.manifest.digest` | string | The digest of the OCI image manifest. For container images specifically is the digest by which the container image is known. [1] | `sha256:e4ca62c0d62f3e886e684806dfe9d4e0cda60d54986898173c1083856cfda0f4` | Recommended |
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**[1]:** Follows [OCI Image Manifest Specification](https://github.com/opencontainers/image-spec/blob/main/manifest.md), and specifically the [Digest property](https://github.com/opencontainers/image-spec/blob/main/descriptor.md#digests).
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An example can be found in [Example Image Manifest](https://docs.docker.com/registry/spec/manifest-v2-2/#example-image-manifest).
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<!-- endsemconv -->
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[DocumentStatus]: https://github.com/open-telemetry/opentelemetry-specification/tree/v1.22.0/specification/document-status.md
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@ -27,11 +27,14 @@ groups:
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brief: >
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Name of the image the container was built on.
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examples: ['gcr.io/opentelemetry/operator']
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- id: image.tag
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type: string
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- id: image.tags
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type: string[]
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brief: >
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Container image tag.
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examples: ['0.1']
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Container image tags. An example can be found in
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[Docker Image Inspect](https://docs.docker.com/engine/api/v1.43/#tag/Image/operation/ImageInspect).
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Should be only the `<tag>` section of the full name for example
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from `registry.example.com/my-org/my-image:<tag>`.
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examples: ['v1.27.1', '3.5.7-0']
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- id: image.id
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type: string
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brief: >
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@ -44,8 +47,21 @@ groups:
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K8s defines a link to the container registry repository with digest `"imageID": "registry.azurecr.io
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/namespace/service/dockerfile@sha256:bdeabd40c3a8a492eaf9e8e44d0ebbb84bac7ee25ac0cf8a7159d25f62555625"`.
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OCI defines a digest of manifest.
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The ID is assinged by the container runtime and can vary in different environments.
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Consider using `oci.manifest.digest` if it is important to identify the same
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image in different environments/runtimes.
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examples: ['sha256:19c92d0a00d1b66d897bceaa7319bee0dd38a10a851c60bcec9474aa3f01e50f']
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- id: image.repo_digests
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type: string[]
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brief: >
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Repo digests of the container image as provided by the container runtime.
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note: >
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[Docker](https://docs.docker.com/engine/api/v1.43/#tag/Image/operation/ImageInspect) and
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[CRI](https://github.com/kubernetes/cri-api/blob/c75ef5b473bbe2d0a4fc92f82235efd665ea8e9f/pkg/apis/runtime/v1/api.proto#L1237-L1238)
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report those under the `RepoDigests` field.
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examples:
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- 'example@sha256:afcc7f1ac1b49db317a7196c902e61c6c3c4607d63599ee1a82d702d249a0ccb'
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- 'internal.registry.example.com:5000/example@sha256:b69959407d21e8a062e0416bf13405bb2b71ed7a84dde4158ebafacfa06f5578'
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- id: command
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type: string
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requirement_level: opt_in
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@ -0,0 +1,21 @@
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groups:
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- id: oci.manifest
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prefix: oci.manifest
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type: resource
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brief: >
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An OCI image manifest.
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attributes:
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- id: digest
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type: string
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brief: >
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The digest of the OCI image manifest. For container images specifically is the
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digest by which the container image is known.
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note: >
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Follows
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[OCI Image Manifest Specification](https://github.com/opencontainers/image-spec/blob/main/manifest.md),
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and specifically the
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[Digest property](https://github.com/opencontainers/image-spec/blob/main/descriptor.md#digests).
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An example can be found in
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[Example Image Manifest](https://docs.docker.com/registry/spec/manifest-v2-2/#example-image-manifest).
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examples: [ 'sha256:e4ca62c0d62f3e886e684806dfe9d4e0cda60d54986898173c1083856cfda0f4' ]
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