Add extraContainers option

Author: craustin

charts/dremio_v2/docs/Values-Reference.md

@@ -235,6 +235,24 @@ extraInitContainers: |
 [...]
 ```
 
+#### `extraContainers`
+
+Type: String
+
+By default, this value is not set.
+
+This value controls additional `containers` ("sidecars") that run alongside the standard containers in Dremio's pods. The value specified here may reference values specified in the built-in `Values` object in Helm.
+
+For example, to have a `container` with the Dremio image, you can specify the following:
+
+```yaml
+extraContainers: |
+  - name: dremio-hello-world
+    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+    command: ["echo", "Hello World"]
+[...]
+```
+
 #### `extraVolumes`
 
 Type: Array
@@ -572,6 +590,28 @@ coordinator:
 
 More Info: Refer to the [`extraInitContainers`](#extrainitcontainers) section of this reference.
 
+#### `coordinator.extraContainers`
+
+Type: String
+
+By default, this value is not set. If this value is omitted or set to an empty string, this value will be inherited from the top level `extraContainers`.
+
+This value controls additional `containers` ("sidecars") that run alongside the standard containers in Dremio's coordinator pods. The value specified here may reference values specified in the `values.yaml` file.
+
+For example, to have a `container` with the Dremio image, you can specify the following:
+
+```yaml
+coordinator:
+  [...]
+  extraContainers: |
+    - name: dremio-hello-world
+      image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+      command: ["echo", "Hello World"]
+[...]
+```
+
+More Info: Refer to the [`extraContainers`](#extracontainers) section of this reference.
+
 #### `coordinator.extraVolumes`
 
 Type: Array
@@ -818,7 +858,7 @@ This value controls additional parameters passed to the Dremio process.
 For example, to pass an additional system property to the java process, you can specify the following:
 
 ```yaml
-coordinator:
+executor:
   [...]
   extraStartParams: >-
     -DsomeTestKey=someValue
@@ -838,7 +878,7 @@ This value controls additional `initContainers` that are started as part of the
 For example, to have an `initContainer` with the Dremio image, you can specify the following:
 
 ```yaml
-coordinator:
+executor:
   [...]
   extraInitContainers: |
     - name: dremio-hello-world
@@ -849,6 +889,28 @@ coordinator:
 
 More Info: Refer to the [`extraInitContainers`](#extrainitcontainers) section of this reference.
 
+#### `executor.extraContainers`
+
+Type: String
+
+By default, this value is not set. If this value is omitted or set to an empty string, this value will be inherited from the top level `extraContainers`.
+
+This value controls additional `containers` ("sidecars") that run alongside the standard containers in Dremio's executor pods. The value specified here may reference values specified in the `values.yaml` file.
+
+For example, to have a `container` with the Dremio image, you can specify the following:
+
+```yaml
+executor:
+  [...]
+  extraContainers: |
+    - name: dremio-hello-world
+      image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+      command: ["echo", "Hello World"]
+[...]
+```
+
+More Info: Refer to the [`extraContainers`](#extracontainers) section of this reference.
+
 #### `executor.extraVolumes`
 
 Type: Array
@@ -939,6 +1001,11 @@ executor:
         -DsomeTestKey=someValue
 
       extraInitContainers: |
+        - name: dremio-hello-world-init
+          image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+          command: ["echo", "Hello World"]
+
+      extraContainers: |
         - name: dremio-hello-world
           image: {{ $.Values.image }}:{{ $.Values.imageTag }}
           command: ["echo", "Hello World"]

charts/dremio_v2/templates/_helpers_coordinator.tpl

@@ -58,6 +58,16 @@ Coordinator - Pod Extra Init Containers
 {{- end -}}
 {{- end -}}
 
+{{/*
+Coordinator - Pod Extra Containers
+*/}}
+{{- define "dremio.coordinator.extraContainers" -}}
+{{- $coordinatorExtraContainers := coalesce $.Values.coordinator.extraContainers $.Values.extraContainers -}}
+{{- if $coordinatorExtraContainers -}}
+{{ tpl $coordinatorExtraContainers $ }}
+{{- end -}}
+{{- end -}}
+
 {{/*
 Coordinator - Pod Extra Volume Mounts
 */}}

charts/dremio_v2/templates/_helpers_executor.tpl

@@ -124,6 +124,19 @@ Executor - Pod Extra Init Containers
 {{- end -}}
 {{- end -}}
 
+{{/*
+Executor - Pod Extra Containers
+*/}}
+{{- define "dremio.executor.extraContainers" -}}
+{{- $context := index . 0 -}}
+{{- $engineName := index . 1 -}}
+{{- $engineConfiguration := default (dict) (get (default (dict) $context.Values.executor.engineOverride) $engineName) -}}
+{{- $engineExtraContainers := coalesce $engineConfiguration.extraContainers $context.Values.executor.extraContainers $context.Values.extraContainers -}}
+{{- if $engineExtraContainers -}}
+{{ tpl $engineExtraContainers $context }}
+{{- end -}}
+{{- end -}}
+
 {{/*
 Executor - Pod Extra Volume Mounts
 */}}

charts/dremio_v2/templates/dremio-coordinator.yaml

@@ -28,6 +28,7 @@ spec:
       {{- include "dremio.coordinator.nodeSelector" $ | nindent 6 }}
       {{- include "dremio.coordinator.tolerations" $ | nindent 6 }}
       containers:
+      {{- include "dremio.coordinator.extraContainers" $ | nindent 6 }}
       - name: dremio-coordinator
         image: {{ $.Values.image }}:{{ $.Values.imageTag }}
         imagePullPolicy: IfNotPresent

charts/dremio_v2/templates/dremio-executor.yaml

@@ -31,6 +31,7 @@ spec:
       {{- include "dremio.executor.nodeSelector" (list $ $engineName) | nindent 6}}
       {{- include "dremio.executor.tolerations" (list $ $engineName) | nindent 6}}
       containers:
+      {{- include "dremio.executor.extraContainers" (list $ $engineName) | nindent 6 }}
       - name: dremio-executor
         image: {{ $.Values.image }}:{{ $.Values.imageTag }}
         imagePullPolicy: IfNotPresent

charts/dremio_v2/templates/dremio-master.yaml

@@ -37,6 +37,7 @@ spec:
       {{- include "dremio.coordinator.nodeSelector" $ | nindent 6 }}
       {{- include "dremio.coordinator.tolerations" $ | nindent 6 }}
       containers:
+      {{- include "dremio.coordinator.extraContainers" $ | nindent 6 }}
       - name: dremio-master-coordinator
         image: {{ $.Values.image }}:{{ $.Values.imageTag }}
         imagePullPolicy: IfNotPresent

charts/dremio_v2/values.yaml

@@ -65,6 +65,13 @@ coordinator:
   #    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
   #    command: ["echo", "Hello World"]
 
+  # Extra Containers
+  # Uncomment the below lines to use a custom set of extra containers for the coordinator.
+  #extraContainers: |
+  #  - name: extra-container
+  #    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+  #    command: ["echo", "Hello World"]
+
   # Extra Volumes
   # Uncomment below to use a custom set of extra volumes for the coordinator.
   #extraVolumes: []
@@ -155,6 +162,13 @@ executor:
   #    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
   #    command: ["echo", "Hello World"]
 
+  # Extra Containers
+  # Uncomment the below lines to use a custom set of extra containers for the executors.
+  #extraContainers: |
+  #  - name: extra-container
+  #    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+  #    command: ["echo", "Hello World"]
+
   # Extra Volumes
   # Uncomment below to use a custom set of extra volumes for executors.
   #extraVolumes: []
@@ -233,6 +247,11 @@ executor:
   #         image: {{ $.Values.image }}:{{ $.Values.imageTag }}
   #         command: ["echo", "Hello World"]
   #
+  #     extraContainers: |
+  #       - name: extra-container
+  #         image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+  #         command: ["echo", "Hello World"]
+  #
   #
   #     extraVolumes: []
   #     extraVolumeMounts: []
@@ -428,6 +447,13 @@ distStorage:
 #    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
 #    command: ["echo", "Hello World"]
 
+# Extra Containers
+# Uncomment the below lines to provide extra containers ("sidecars").
+#extraContainers: |
+#  - name: extra-container
+#    image: {{ $.Values.image }}:{{ $.Values.imageTag }}
+#    command: ["echo", "Hello World"]
+
 # Kubernetes Service Account
 # Uncomment the below line to provide a Kubernetes service account that Dremio should run with.
 #serviceAccount: ""