Fix absolute links to spec (#1192)

* Remove absolute links where possible.

* Work around semantic conventions.

* Docfx.

* Fix YAML.

* More docfx.

semantic_conventions/resource/faas.yaml

@@ -14,7 +14,8 @@ groups:
         type: string
         required: always
         brief: >
-          The unique ID of the function being executed.
+          The unique ID of the function
+          being executed.
         note: >
           For example, in AWS Lambda this field corresponds to the
           [ARN](https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html)
@@ -26,7 +27,7 @@ groups:
         type: string
         brief: >
           The version string of the function being executed as defined in
-          [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes).
+          [Version Attributes](../../resource/semantic_conventions/README.md#version-attributes).
         examples: ['2.0.0']
       - id: instance
         type: string

semantic_conventions/resource/host.yaml

@@ -35,5 +35,5 @@ groups:
         type: string
         brief: >
           The version string of the VM image as defined in
-          [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes).
+          [Version Attributes](README.md#version-attributes).
         examples: ['0.1']

specification/resource/semantic_conventions/faas.md

@@ -9,7 +9,7 @@
 |---|---|---|---|---|
 | `faas.name` | string | The name of the function being executed. | `my-function` | Yes |
 | `faas.id` | string | The unique ID of the function being executed. [1] | `arn:aws:lambda:us-west-2:123456789012:function:my-function` | Yes |
-| `faas.version` | string | The version string of the function being executed as defined in [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes). | `2.0.0` | No |
+| `faas.version` | string | The version string of the function being executed as defined in [Version Attributes](../../resource/semantic_conventions/README.md#version-attributes). | `2.0.0` | No |
 | `faas.instance` | string | The execution environment ID as a string. | `my-function:instance-0001` | No |
 
 **[1]:** For example, in AWS Lambda this field corresponds to the [ARN](https://docs.aws.amazon.com/general/latest/gr/aws-arns-and-namespaces.html) value, in GCP to the URI of the resource, and in Azure to the [FunctionDirectory](https://github.com/Azure/azure-functions-host/wiki/Retrieving-information-about-the-currently-running-function) field.

specification/resource/semantic_conventions/host.md

@@ -12,5 +12,5 @@
 | `host.type` | string | Type of host. For Cloud, this must be the machine type. | `n1-standard-1` | No |
 | `host.image.name` | string | Name of the VM image or OS install the host was instantiated from. | `infra-ami-eks-worker-node-7d4ec78312`<br>`CentOS-8-x86_64-1905` | No |
 | `host.image.id` | string | VM image ID. For Cloud, this value is from the provider. | `ami-07b06b442921831e5` | No |
-| `host.image.version` | string | The version string of the VM image as defined in [Version Attributes](https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#version-attributes). | `0.1` | No |
+| `host.image.version` | string | The version string of the VM image as defined in [Version Attributes](README.md#version-attributes). | `0.1` | No |
 <!-- endsemconv -->

specification/trace/semantic_conventions/exceptions.md

@@ -98,4 +98,4 @@ grained information from a stacktrace, if necessary.
 [ruby-full-message]: https://ruby-doc.org/core-2.7.1/Exception.html#method-i-full_message
 [csharp-stacktrace]: https://docs.microsoft.com/en-us/dotnet/api/system.exception.tostring
 [go-stacktrace]: https://golang.org/pkg/runtime/debug/#Stack
-[telemetry-sdk-resource]: https://github.com/open-telemetry/opentelemetry-specification/tree/master/specification/resource/semantic_conventions#telemetry-sdk
+[telemetry-sdk-resource]:../../resource/semantic_conventions/README.md#telemetry-sdk