Allow RollingUpdate params to be configured (splunk#770)

Author: vinzent

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-logging/templates/daemonset.yaml

@@ -14,6 +14,10 @@ metadata:
 spec:
  updateStrategy:
  type: RollingUpdate
+ {{- if .Values.rollingUpdate }}
+ rollingUpdate:
+{{ toYaml .Values.rollingUpdate | indent 6 }}
+ {{- end }}
  selector:
  matchLabels:
  app: {{ template "splunk-kubernetes-logging.name" . }}

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-logging/values.yaml

@@ -78,7 +78,7 @@ splunk:
  # NOTE: The content of the certificate itself should be used here, not the file path.
  # The certificate will be stored as a secret in kubernetes.
  # Make sure you are providing the certificate as multiline string (use `|-`)
- # Example: 
+ # Example:
  # caFile: |-
  # -----BEGIN CERTIFICATE-----
  # ...
@@ -93,7 +93,7 @@ splunk:
  # The file will be stored as a secret in kubernetes.
  caFile:
  # Indicates if 4xx errors should consume chunk. If set to true, plugin will not retry sending chunk to splunk when 4xx error occurs. (Default: true)
- consume_chunk_on_4xx_errors: 
+ consume_chunk_on_4xx_errors:
  # Configurations for Ingest API
  ingest_api:
  # serviceClientIdentifier is a string, the client identifier is used to make requests to the ingest API with authorization.
@@ -468,6 +468,22 @@ customFilters: {}
 # WARNING: The fields being used here must be available inside the fluentd record.
 indexFields: []
 
+# Configure DaemonSet .spec.updateStrategy.rollingUpdate params if you want to speed up
+# rolling out a new version. By default only one pod after another is replaced when
+# upgrading.
+#
+# Example: replace 5 pods in parallel
+#
+# ```
+# rollingUpdate:
+# maxUnavailable: 5
+# ```
+#
+# See https://kubernetes.io/docs/tasks/manage-daemon/update-daemon-set/
+# or `kubectl explain daemonset.spec.updateStrategy.rollingUpdate` for
+# documentation of available keys.
+rollingUpdate:
+
 # Global configurations
 # These configurations will be used if the corresponding local configurations are not set.
 # For example, if `global.logLevel` is set and `logLevel` is not set, `global.logLevel` will be used; if `logLevel` is set, it will be used regardless `global.logLevel` is set or not.

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-metrics/templates/daemonset.yaml

@@ -15,6 +15,10 @@ metadata:
 spec:
  updateStrategy:
  type: RollingUpdate
+ {{- if .Values.rollingUpdate }}
+ rollingUpdate:
+{{ toYaml .Values.rollingUpdate | indent 6 }}
+ {{- end }}
  selector:
  matchLabels:
  name: {{ template "splunk-kubernetes-metrics.fullname" . }}

helm-chart/splunk-connect-for-kubernetes/charts/splunk-kubernetes-metrics/values.yaml

@@ -63,7 +63,7 @@ splunk:
  # NOTE: The content of the certificate itself should be used here, not the file path.
  # The certificate will be stored as a secret in kubernetes.
  # Make sure you are providing the certificate as multiline string (use `|-`)
- # Example: 
+ # Example:
  # caFile: |-
  # -----BEGIN CERTIFICATE-----
  # ...
@@ -78,7 +78,7 @@ splunk:
  # The file will be stored as a secret in kubernetes.
  caFile:
  # Indicates if 4xx errors should consume chunk. If set to true, plugin will not retry sending chunk to splunk when 4xx error occurs. (Default: true)
- consume_chunk_on_4xx_errors: 
+ consume_chunk_on_4xx_errors:
 
 # Create or use existing secret if name is empty default name is used
 secret:
@@ -122,10 +122,10 @@ environmentVar:
 environmentVarAgg:
 
 # Pod annotations for metrics daemonset
-podAnnotations: 
+podAnnotations:
 
 # Pod annotations for metrics aggregator pod
-podAnnotationsAgg: 
+podAnnotationsAgg:
 
 # Extra labels for metrics daemonset, pods
 extraLabels:
@@ -192,10 +192,10 @@ tolerations:
 aggregatorTolerations: {}
 
 # Defines priorityClassName to assign a priority class to metrics (daemonset) pods.
-priorityClassName: 
+priorityClassName:
 
 # Defines priorityClassName to assign a priority class to metrics aggregetor (deployment) pods.
-priorityClassNameAgg: 
+priorityClassNameAgg:
 
 # Defines node affinity to restrict pod deployment.
 affinity: {}
@@ -215,7 +215,7 @@ kubernetes:
  insecureSSL: false
  # Path to the CA file.
  # Make sure you are providing the certificate as multiline string (use `|-`)
- # Example: 
+ # Example:
  # caFile: |-
  # -----BEGIN CERTIFICATE-----
  # ...
@@ -295,9 +295,25 @@ customFilters: {}
  # body: |
  # <record>
  # cluster_name "my_awesome_cluster"
- # </record> 
+ # </record>
 customFiltersAggr: {}
 
+# Configure DaemonSet .spec.updateStrategy.rollingUpdate params if you want to speed up
+# rolling out a new version. By default only one pod after another is replaced when
+# upgrading.
+#
+# Example: replace 5 pods in parallel
+#
+# ```
+# rollingUpdate:
+# maxUnavailable: 5
+# ```
+#
+# See https://kubernetes.io/docs/tasks/manage-daemon/update-daemon-set/
+# or `kubectl explain daemonset.spec.updateStrategy.rollingUpdate` for
+# documentation of available keys.
+rollingUpdate:
+
 # Global configurations
 # These configurations will be used if the corresponding local configurations are not set.
 # For example, if `global.logLevel` is set and `logLevel` is not set, `global.logLevel` will be used; if `logLevel` is set, it will be used regardless `global.logLevel` is set or not.

helm-chart/splunk-connect-for-kubernetes/values.yaml

@@ -547,6 +547,22 @@ splunk-kubernetes-logging:
  # WARNING: The fields being used here must be available inside the fluentd record.
  indexFields: []
 
+ # Configure DaemonSet .spec.updateStrategy.rollingUpdate params if you want to speed up
+ # rolling out a new version. By default only one pod after another is replaced when
+ # upgrading.
+ #
+ # Example: replace 5 pods in parallel
+ #
+ # ```
+ # rollingUpdate:
+ # maxUnavailable: 5
+ # ```
+ #
+ # See https://kubernetes.io/docs/tasks/manage-daemon/update-daemon-set/
+ # or `kubectl explain daemonset.spec.updateStrategy.rollingUpdate` for
+ # documentation of available keys.
+ rollingUpdate:
+
 ## Enabling splunk-kubernetes-objects will install the `splunk-kubernetes-objects` chart to a kubernetes
 ## cluster to collect kubernetes objects in the cluster to a Splunk indexer/indexer cluster.
 splunk-kubernetes-objects:
@@ -1164,3 +1180,19 @@ splunk-kubernetes-metrics:
  # cluster_name "my_awesome_cluster"
  # </record>
  customFiltersAggr: {}
+
+ # Configure DaemonSet .spec.updateStrategy.rollingUpdate params if you want to speed up
+ # rolling out a new version. By default only one pod after another is replaced when
+ # upgrading.
+ #
+ # Example: replace 5 pods in parallel
+ #
+ # ```
+ # rollingUpdate:
+ # maxUnavailable: 5
+ # ```
+ #
+ # See https://kubernetes.io/docs/tasks/manage-daemon/update-daemon-set/
+ # or `kubectl explain daemonset.spec.updateStrategy.rollingUpdate` for
+ # documentation of available keys.
+ rollingUpdate: