build(helm): add values.histogram_buckets option

Signed-off-by: Clément Nussbaumer <[email protected]>
postfinance · Apr 5, 2024 · 2fc1dc9 · 2fc1dc9
1 parent bb1a24d
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diff --git a/README.md b/README.md
@@ -74,6 +74,7 @@ The following command can be used to install kubenurse with Helm: `helm upgrade
 | allow_unschedulable                | Sets `KUBENURSE_ALLOW_UNSCHEDULABLE` environment variable                                                            | `false`                            |
 | neighbour_filter                   | Sets `KUBENURSE_NEIGHBOUR_FILTER` environment variable                                                               | `app.kubernetes.io/name=kubenurse` |
 | neighbour_limit                    | Sets `KUBENURSE_NEIGHBOUR_LIMIT` environment variable                                                                | `10`                               |
+| histogram_buckets                  | Sets `KUBENURSE_HISTOGRAM_BUCKETS` environment variable                                                              |                                  |
 | extra_ca                           | Sets `KUBENURSE_EXTRA_CA` environment variable                                                                       |                                    |
 | check_api_server_direct            | Sets `KUBENURSE_CHECK_API_SERVER_DIRECT` environment variable                                                        | `true`                             |
 | check_api_server_dns               | Sets `KUBENURSE_CHECK_API_SERVER_DNS` environment variable                                                           | `true`                             |

diff --git a/helm/kubenurse/templates/daemonset.yaml b/helm/kubenurse/templates/daemonset.yaml
@@ -62,6 +62,10 @@ spec:
         - name: KUBENURSE_EXTRA_CA
           value: {{ .Values.extra_ca }}
           {{- end }}
+          {{- if .Values.histogram_buckets }}
+        - name: KUBENURSE_HISTOGRAM_BUCKETS
+          value: {{ .Values.histogram_buckets }}
+          {{- end }}
         - name: KUBENURSE_CHECK_API_SERVER_DIRECT
           value: {{ .Values.check_api_server_direct | quote }}
         - name: KUBENURSE_CHECK_API_SERVER_DNS

diff --git a/helm/kubenurse/values.yaml b/helm/kubenurse/values.yaml
@@ -37,6 +37,9 @@ allow_unschedulable: false
 neighbour_filter: app.kubernetes.io/name=kubenurse
 # KUBENURSE_NEIGHBOUR_LIMIT
 neighbour_limit: 10
+# KUBENURSE_HISTOGRAM_BUCKETS
+histogram_buckets: ""
+# histogram_buckets: ".0005,.001,.0025,.005,.01,.025,.05,0.1,0.25,0.5,1" # default prometheus histogram buckets divided by 10
 # KUBENURSE_EXTRA_CA
 extra_ca: ""
 # KUBENURSE_CHECK_API_SERVER_DIRECT