add toggle to drop lightstep envar injection in admission-controller

Signed-off-by: Noor Malik <noor.malik@zalando.de>

Author: demonCoder95

cluster/config-defaults.yaml

@@ -701,6 +701,7 @@ teapot_admission_controller_max_ephemeral_storage_request: "5Gi"
 teapot_admission_controller_application_min_creation_time: "2019-06-03T12:00:00Z"
 teapot_admission_controller_ndots: "2"
 teapot_admission_controller_inject_environment_variables: "true"
+teapot_admission_controller_inject_lightstep_variables: "true"
 {{ if eq .Cluster.Environment "test" }}
 teapot_admission_controller_inject_node_options_environment_variable: "true"
 {{ else }}

cluster/manifests/02-admission-control/config.yaml

@@ -38,9 +38,11 @@ data:
   pod.env-inject.variable._PLATFORM_ACCOUNT: "{{ .Cluster.Alias }}"
   pod.env-inject.variable._PLATFORM_CLUSTER_ID: "{{ .Cluster.ID }}"
   pod.env-inject.variable._PLATFORM_OPENTRACING_TAG_ACCOUNT: "{{ .Cluster.Alias }}"
+{{- if eq .Cluster.ConfigItems.teapot_admission_controller_inject_lightstep_variables "true" }}
   pod.env-inject.variable._PLATFORM_OPENTRACING_LIGHTSTEP_COLLECTOR_PORT: "8443"
   pod.env-inject.variable._PLATFORM_OPENTRACING_LIGHTSTEP_COLLECTOR_HOST: "{{ .Cluster.ConfigItems.tracing_collector_host }}"
   pod.env-inject.variable._PLATFORM_OPENTRACING_LIGHTSTEP_ACCESS_TOKEN: "{{ .Cluster.ConfigItems.lightstep_token }}"
+{{- end }}
   pod.env-inject.variable._PLATFORM_OBSERVABILITY_COLLECTOR_ENDPOINT: "{{ .Cluster.ConfigItems.observability_collector_endpoint }}"
   pod.env-inject.variable._PLATFORM_OBSERVABILITY_COLLECTOR_PORT: "{{ .Cluster.ConfigItems.observability_collector_port }}"
   pod.env-inject.variable._PLATFORM_OBSERVABILITY_COLLECTOR_SCHEME: "{{ .Cluster.ConfigItems.observability_collector_scheme }}"