Add oci.manifest.digest, container.image.repo_digests and make container.image.tag array

docs/resource/container.md

@@ -13,7 +13,7 @@
 | `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 |
 | `container.runtime` | string | The container runtime managing this container. | `docker`; `containerd`; `rkt` | Recommended |
 | `container.image.name` | string | Name of the image the container was built on. | `gcr.io/opentelemetry/operator` | Recommended |
-| `container.image.tag` | string | Container image tag. | `0.1` | Recommended |
+| `container.image.tag` | 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 |
 | `container.image.id` | string | Runtime specific image identifier. Usually a hash algorithm followed by a UUID. [1] | `sha256:19c92d0a00d1b66d897bceaa7319bee0dd38a10a851c60bcec9474aa3f01e50f` | Recommended |
 | `container.command` | string | The command used to run the container (i.e. the command name). [2] | `otelcontribcol` | Opt-In |
 | `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 |

docs/resource/oci.md

@@ -0,0 +1,15 @@
+# OCI
+
+**Status**: [Experimental][DocumentStatus]
+
+**type:** `oci`
+
+**Description:** An OCI instance.
+
+<!-- semconv oci -->
+| Attribute  | Type | Description  | Examples  | Requirement Level |
+|---|---|---|---|---|
+| `oci.manifest.digest` | string | The digest of the OCI image manifest. 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). An example can be found in [Example Image Manifest](https://docs.docker.com/registry/spec/manifest-v2-2/#example-image-manifest). | `sha256:e4ca62c0d62f3e886e684806dfe9d4e0cda60d54986898173c1083856cfda0f4`; `sha256:3c3a4604a545cdc127456d94e421cd355bca5b528f4a9c1905b15da2eb4a4c6b` | Recommended |
+<!-- endsemconv -->
+
+[DocumentStatus]: https://github.com/open-telemetry/opentelemetry-specification/blob/v1.21.0/specification/document-status.md

model/resource/container.yaml

@@ -28,10 +28,13 @@ groups:
           Name of the image the container was built on.
         examples: ['gcr.io/opentelemetry/operator']
       - id: image.tag
-        type: string
+        type: string[]
         brief: >
-          Container image tag.
-        examples: ['0.1']
+          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>`.
+        examples: ['v1.27.1', '3.5.7-0']
       - id: image.id
         type: string
         brief: >

model/resource/oci.yaml

@@ -0,0 +1,18 @@
+groups:
+  - id: oci
+    prefix: oci
+    type: resource
+    brief: >
+      An OCI instance.
+    attributes:
+      - id: manifest.digest
+        type: string
+        brief: >
+          The digest of the OCI image manifest.
+          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).
+          An example can be found in
+          [Example Image Manifest](https://docs.docker.com/registry/spec/manifest-v2-2/#example-image-manifest).
+        examples: [ 'sha256:e4ca62c0d62f3e886e684806dfe9d4e0cda60d54986898173c1083856cfda0f4', 'sha256:3c3a4604a545cdc127456d94e421cd355bca5b528f4a9c1905b15da2eb4a4c6b' ]