Send tags, including git metadata, to RC endpoint (#5070)

In requests to the RC endpoint, add dd tags, including dd tags
containing git metadata.

packages/dd-trace/src/appsec/remote_config/manager.js

@@ -9,6 +9,7 @@ const log = require('../../log')
 const { getExtraServices } = require('../../service-naming/extra-services')
 const { UNACKNOWLEDGED, ACKNOWLEDGED, ERROR } = require('./apply_states')
 const Scheduler = require('./scheduler')
+const { GIT_REPOSITORY_URL, GIT_COMMIT_SHA } = require('../../plugins/util/tags')
 
 const clientId = uuid()
 
@@ -33,6 +34,14 @@ class RemoteConfigManager extends EventEmitter {
       port: config.port
     }))
 
+    const tags = config.repositoryUrl
+      ? {
+          ...config.tags,
+          [GIT_REPOSITORY_URL]: config.repositoryUrl,
+          [GIT_COMMIT_SHA]: config.commitSHA
+        }
+      : config.tags
+
     this._handlers = new Map()
     const appliedConfigs = this.appliedConfigs = new Map()
 
@@ -67,7 +76,8 @@ class RemoteConfigManager extends EventEmitter {
           service: config.service,
           env: config.env,
           app_version: config.version,
-          extra_services: []
+          extra_services: [],
+          tags: Object.entries(tags).map((pair) => pair.join(':'))
         },
         capabilities: DEFAULT_CAPABILITY // updated by `updateCapabilities()`
       },

packages/dd-trace/test/appsec/remote_config/manager.spec.js

@@ -98,7 +98,8 @@ describe('RemoteConfigManager', () => {
           service: config.service,
           env: config.env,
           app_version: config.version,
-          extra_services: []
+          extra_services: [],
+          tags: ['runtime-id:runtimeId']
         },
         capabilities: 'AA=='
       },
@@ -108,6 +109,20 @@ describe('RemoteConfigManager', () => {
     expect(rc.appliedConfigs).to.be.an.instanceOf(Map)
   })
 
+  it('should add git metadata to tags if present', () => {
+    const configWithGit = {
+      ...config,
+      repositoryUrl: 'https://github.com/DataDog/dd-trace-js',
+      commitSHA: '1234567890'
+    }
+    const rc = new RemoteConfigManager(configWithGit)
+    expect(rc.state.client.client_tracer.tags).to.deep.equal([
+      'runtime-id:runtimeId',
+      'git.repository_url:https://github.com/DataDog/dd-trace-js',
+      'git.commit.sha:1234567890'
+    ])
+  })
+
   describe('updateCapabilities', () => {
     it('should set multiple capabilities to true', () => {
       rc.updateCapabilities(Capabilities.ASM_ACTIVATION, true)