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[datadog_metric_tags] add datadog_metric_tags data source (#2966)
* feat: add `datadog_metric_tags` data source This addresses issue #2965 and implements a basic `datadog_metric_tags` data source. Signed-off-by: Mike Ball <[email protected]>
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‎datadog/fwprovider/data_source_datadog_metric_tags.go

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package fwprovider
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import (
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"context"
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"fmt"
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"strings"
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"github.com/DataDog/datadog-api-client-go/v2/api/datadogV2"
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"github.com/hashicorp/terraform-plugin-framework/datasource"
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"github.com/hashicorp/terraform-plugin-framework/datasource/schema"
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"github.com/hashicorp/terraform-plugin-framework/types"
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"github.com/terraform-providers/terraform-provider-datadog/datadog/internal/utils"
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)
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var (
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_ datasource.DataSource = &datadogUsersDataSource{}
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)
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type datadogMetricTagsModel struct {
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ID types.String `tfsdk:"id"`
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Metric types.String `tfsdk:"metric"`
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Tags types.List `tfsdk:"tags"`
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}
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type datadogMetricTagsDataSource struct {
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Api *datadogV2.MetricsApi
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Auth context.Context
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}
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func NewDatadogMetricTagsDataSource() datasource.DataSource {
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return &datadogMetricTagsDataSource{}
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}
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func (d *datadogMetricTagsDataSource) Configure(_ context.Context, request datasource.ConfigureRequest, response *datasource.ConfigureResponse) {
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providerData, _ := request.ProviderData.(*FrameworkProvider)
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d.Api = providerData.DatadogApiInstances.GetMetricsApiV2()
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d.Auth = providerData.Auth
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}
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func (d *datadogMetricTagsDataSource) Metadata(_ context.Context, req datasource.MetadataRequest, resp *datasource.MetadataResponse) {
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resp.TypeName = "metric_tags"
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}
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func (d *datadogMetricTagsDataSource) Schema(_ context.Context, _ datasource.SchemaRequest, resp *datasource.SchemaResponse) {
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resp.Schema = schema.Schema{
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Description: "Use this data source to retrieve tags associated with a metric to use in other resources.",
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Attributes: map[string]schema.Attribute{
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"id": utils.ResourceIDAttribute(),
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"metric": schema.StringAttribute{
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Description: "The metric for which to fetch tags.",
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Required: true,
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},
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// Computed values
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"tags": schema.ListAttribute{
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Description: "The tags associated with the metric.",
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Computed: true,
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ElementType: types.StringType,
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},
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},
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}
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}
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func (d *datadogMetricTagsDataSource) Read(ctx context.Context, req datasource.ReadRequest, resp *datasource.ReadResponse) {
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var state datadogMetricTagsModel
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resp.Diagnostics.Append(req.Config.Get(ctx, &state)...)
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if resp.Diagnostics.HasError() {
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return
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}
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ddResp, _, err := d.Api.ListTagsByMetricName(d.Auth, state.Metric.String())
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if err != nil {
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resp.Diagnostics.Append(utils.FrameworkErrorDiag(err, "error listing metric tags"))
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return
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}
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tagsData := ddResp.GetData()
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tags := tagsData.Attributes.GetTags()
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d.updateState(ctx, &state, tags)
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resp.Diagnostics.Append(resp.State.Set(ctx, &state)...)
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}
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func (d *datadogMetricTagsDataSource) updateState(ctx context.Context, state *datadogMetricTagsModel, tags []string) {
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hashingData := fmt.Sprintf("%s:%s", state.Metric.ValueString(), strings.Join(tags, ":"))
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state.ID = types.StringValue(utils.ConvertToSha256(hashingData))
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state.Tags, _ = types.ListValueFrom(ctx, types.StringType, tags)
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}

‎datadog/fwprovider/framework_provider.go

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NewDatadogApmRetentionFiltersOrderDataSource,
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NewDatadogDashboardListDataSource,
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NewDatadogIntegrationAWSNamespaceRulesDatasource,
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NewDatadogMetricTagsDataSource,
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NewDatadogPowerpackDataSource,
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NewDatadogServiceAccountDatasource,
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NewDatadogSoftwareCatalogDataSource,

‎datadog/tests/cassettes/TestAccDatadogMetricTagsDatasource.freeze

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2025-04-18T11:16:46.898512-04:00

‎datadog/tests/cassettes/TestAccDatadogMetricTagsDatasource.yaml

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---
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version: 2
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interactions:
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- id: 0
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request:
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proto: HTTP/1.1
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proto_major: 1
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proto_minor: 1
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content_length: 0
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transfer_encoding: []
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trailer: {}
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host: api.datadoghq.com
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remote_addr: ""
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request_uri: ""
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body: ""
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form: {}
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headers:
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Accept:
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- application/json
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url: https://api.datadoghq.com/api/v2/metrics/%22datadog.agent.running%22/all-tags
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method: GET
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response:
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proto: HTTP/1.1
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proto_major: 1
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proto_minor: 1
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transfer_encoding:
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- chunked
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trailer: {}
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content_length: -1
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uncompressed: true
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body: |
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{"data":{"type":"metrics","id":"datadog.agent.running","attributes":{"tags":["foo:bar"]}}}
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headers:
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Content-Type:
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- application/json
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status: 200 OK
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code: 200
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duration: 205.560625ms
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- id: 1
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request:
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proto: HTTP/1.1
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proto_major: 1
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proto_minor: 1
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content_length: 0
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transfer_encoding: []
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trailer: {}
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host: api.datadoghq.com
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remote_addr: ""
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request_uri: ""
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body: ""
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form: {}
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headers:
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Accept:
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- application/json
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url: https://api.datadoghq.com/api/v2/metrics/%22datadog.agent.running%22/all-tags
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method: GET
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response:
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proto: HTTP/1.1
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proto_major: 1
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proto_minor: 1
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transfer_encoding:
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- chunked
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trailer: {}
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content_length: -1
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uncompressed: true
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body: |
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{"data":{"type":"metrics","id":"datadog.agent.running","attributes":{"tags":["foo:bar"]}}}
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headers:
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Content-Type:
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- application/json
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status: 200 OK
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code: 200
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duration: 105.948209ms
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- id: 2
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request:
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proto: HTTP/1.1
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proto_major: 1
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proto_minor: 1
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content_length: 0
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transfer_encoding: []
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trailer: {}
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host: api.datadoghq.com
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remote_addr: ""
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request_uri: ""
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body: ""
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form: {}
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headers:
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Accept:
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- application/json
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url: https://api.datadoghq.com/api/v2/metrics/%22datadog.agent.running%22/all-tags
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method: GET
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response:
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proto: HTTP/1.1
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proto_major: 1
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proto_minor: 1
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transfer_encoding:
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- chunked
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trailer: {}
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content_length: -1
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uncompressed: true
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body: |
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{"data":{"type":"metrics","id":"datadog.agent.running","attributes":{"tags":["foo:bar"]}}}
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headers:
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Content-Type:
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- application/json
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status: 200 OK
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code: 200
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duration: 105.951167ms

‎datadog/tests/data_source_datadog_metric_tags_test.go

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package test
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import (
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"context"
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"fmt"
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"testing"
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"github.com/hashicorp/terraform-plugin-testing/helper/resource"
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)
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func TestAccDatadogMetricTagsDatasource(t *testing.T) {
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t.Parallel()
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_, _, accProviders := testAccFrameworkMuxProviders(context.Background(), t)
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metric := "datadog.agent.running"
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resource.Test(t, resource.TestCase{
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PreCheck: func() { testAccPreCheck(t) },
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ProtoV5ProviderFactories: accProviders,
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Steps: []resource.TestStep{
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{
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Config: testAccDatasourceMetricTagsConfig(metric),
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Check: resource.ComposeTestCheckFunc(
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resource.TestCheckResourceAttr("data.datadog_metric_tags.agent", "metric", metric),
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resource.TestCheckResourceAttr("data.datadog_metric_tags.agent", "tags.0", "foo:bar"),
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),
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},
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},
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})
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}
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func testAccDatasourceMetricTagsConfig(metric string) string {
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return fmt.Sprintf(`
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data "datadog_metric_tags" "agent" {
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metric = "%s"
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}
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`, metric)
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}

‎datadog/tests/provider_test.go

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"tests/data_source_datadog_logs_pipelines_test": "logs-pipelines",
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"tests/data_source_datadog_monitor_config_policies_test": "monitor-config-policies",
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"tests/data_source_datadog_monitor_config_policy_test": "monitor-config-policies",
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"tests/data_source_datadog_metric_tags_test": "metrics",
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"tests/data_source_datadog_monitor_test": "monitors",
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"tests/data_source_datadog_monitors_test": "monitors",
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"tests/data_source_datadog_permissions_test": "permissions",

‎docs/data-sources/metric_tags.md

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---
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# generated by https://github.com/hashicorp/terraform-plugin-docs
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page_title: "datadog_metric_tags Data Source - terraform-provider-datadog"
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subcategory: ""
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description: |-
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Use this data source to retrieve tags associated with a metric to use in other resources.
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---
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# datadog_metric_tags (Data Source)
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Use this data source to retrieve tags associated with a metric to use in other resources.
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<!-- schema generated by tfplugindocs -->
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## Schema
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### Required
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- `metric` (String) The metric for which to fetch tags.
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### Read-Only
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- `id` (String) The ID of this resource.
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- `tags` (List of String) The tags associated with the metric.

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