Configure dda feature flags variables (#43279)

### What does this PR do?


Add required variables in the CI to benefits from `dda` feature flags.
https://datadoghq.dev/datadog-agent-dev/how-to/feature-flags/ci/

### Motivation

Be able to leverage feature flag to rollout more gradually CI tasks updates

### Describe how you validated your changes

Ran a pipeline with some calls to `dda feature` for example: https://gitlab.ddbuild.io/DataDog/datadog-agent/-/jobs/1249938012#L429

### Additional Notes


Co-authored-by: kevin.fairise <[email protected]>

Author: KevinFairise2

.gitlab-ci.yml

@@ -241,6 +241,14 @@ variables:
   VIRUS_TOTAL: virus-total # windows-products
   # End vault variables
 
+  # dda configuration variables
+  DDA_CLIENT_TOKEN: dda-feature-flags-client-token # agent-devx
+  DDA_FEATURE_FLAGS_CI_VAULT_KEY_MACOS: token
+  DDA_FEATURE_FLAGS_CI_VAULT_PATH_MACOS: aws/arn:aws:iam::486234852809:role/ci-datadog-agent/$DDA_CLIENT_TOKEN
+  DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS: ci.datadog-agent.dda-feature-flags-client-token
+  DDA_FEATURE_FLAGS_CI_VAULT_KEY: token
+  DDA_FEATURE_FLAGS_CI_VAULT_PATH: k8s/gitlab-runner-datadog-agent/datadog-agent/$DDA_CLIENT_TOKEN
+
   DD_PKG_VERSION: "latest"
   PIPELINE_KEY_ALIAS: "alias/ci_datadog-agent_pipeline-key"
 

.gitlab/binary_build/windows.yml

@@ -16,6 +16,8 @@ build_windows_container_entrypoint:
       docker run --rm
       -m 8192M
       -v "$(Get-Location):c:\mnt"
+      -e CI
+      -e DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS
       -e CI_JOB_ID=${CI_JOB_ID}
       -e CI_PIPELINE_ID=${CI_PIPELINE_ID}
       -e CI_PROJECT_NAME=${CI_PROJECT_NAME}

.gitlab/choco_build/choco_build.yml

@@ -16,6 +16,8 @@
     - >
       docker run --rm
       -v "$(Get-Location):c:\mnt"
+      -e CI=true
+      -e DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS="${DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS}"
       -e CI_PROJECT_NAME=${CI_PROJECT_NAME}
       -e CI_PIPELINE_ID=${CI_PIPELINE_ID}
       -e BUCKET_BRANCH="$BUCKET_BRANCH"

.gitlab/integration_test/windows.yml

@@ -20,6 +20,8 @@
       docker run --rm
       -m 16384M
       -v "$(Get-Location):c:\mnt"
+      -e CI=true
+      -e DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS="${DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS}"
       -e CI_JOB_URL="${CI_JOB_URL}"
       -e CI_JOB_NAME="${CI_JOB_NAME}"
       -e CI_PIPELINE_ID="${CI_PIPELINE_ID}"

.gitlab/lint/windows.yml

@@ -16,6 +16,8 @@
       -m 24576M
       --storage-opt "size=50GB"
       -v "$(Get-Location):c:\mnt"
+      -e CI=true
+      -e DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS="${DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS}"
       -e AWS_NETWORKING=true
       -e CI_PIPELINE_ID=${CI_PIPELINE_ID}
       -e CI_PROJECT_NAME=${CI_PROJECT_NAME}

.gitlab/package_build/windows.yml

@@ -11,6 +11,8 @@
       docker run --rm
       -m 24576M
       -v "$(Get-Location):c:\mnt"
+      -e CI=true
+      -e DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS="${DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS}"
       -e CI_JOB_ID=${CI_JOB_ID}
       -e CI_PIPELINE_ID=${CI_PIPELINE_ID}
       -e CI_PROJECT_NAME=${CI_PROJECT_NAME}

.gitlab/source_test/windows.yml

@@ -21,6 +21,8 @@
       --storage-opt "size=50GB"
       -v "$(Get-Location):c:\mnt"
       -e DD_ENV=prod
+      -e CI=true
+      -e DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS="${DDA_FEATURE_FLAGS_CI_SSM_KEY_WINDOWS}"
       -e GITLAB_CI=true
       -e CI_JOB_URL="${CI_JOB_URL}"
       -e CI_JOB_NAME="${CI_JOB_NAME}"