Move script to configmap

Signed-off-by: Carlos Rodriguez Hernandez <crhernandez@bitnami.com>

bitnami/elasticsearch/templates/configmap-initcontainer.yaml

@@ -0,0 +1,28 @@
+{{- if .Values.sysctlImage.enabled }}
+apiVersion: v1
+kind: ConfigMap
+metadata:
+  name: {{ include "elasticsearch.fullname" . }}-initcontainer
+  labels: {{- include "elasticsearch.labels" . | nindent 4 }}
+data:
+  sysctl.sh: |-
+    #!/bin/bash
+    
+    set -o errexit
+    set -o pipefail
+    set -o nounset
+
+    if ! [ -x "$(command -v sysctl)" ]; then
+      echo 'sysctl not installed. Installing it...'
+      distro=$(awk -F= '/^ID=/{print $2}' /etc/os-release | tr -d '"')
+      case $distro in
+        ol | centos)
+          yum install -y procps
+          rm -rf /var/cache/yum;;
+        ubuntu | debian)
+          apt-get update -qq && apt-get install -y --no-install-recommends procps
+          rm -rf /var/lib/apt/lists /var/cache/apt/archives;;
+      esac
+    fi
+    sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
+{{- end }}

bitnami/elasticsearch/templates/coordinating-deploy.yaml

@@ -38,24 +38,13 @@ spec:
           image: {{ include "elasticsearch.sysctl.image" . }}
           imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
           command:
-            - /bin/bash
-            - -ec
-            - |
-              if ! [ -x "$(command -v sysctl)" ]; then
-                echo 'sysctl not installed. Installing it...'
-                distro=$(awk -F= '/^ID=/{print $2}' /etc/os-release | tr -d '"')
-                case $distro in
-                  ol | centos)
-                    yum install -y procps
-                    rm -rf /var/cache/yum;;
-                  ubuntu | debian)
-                    apt-get update -qq && apt-get install -y --no-install-recommends procps
-                    rm -rf /var/lib/apt/lists /var/cache/apt/archives;;
-                esac
-              fi
-              sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
+            - /scripts/sysctl.sh
           securityContext:
             privileged: true
+          volumeMounts:
+            - name: initcontainer-script
+              mountPath: /scripts/sysctl.sh
+              subPath: sysctl.sh
       {{- end }}
       containers:
         - name: elasticsearch
@@ -124,6 +113,12 @@ spec:
             {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
             {{- end }}
       volumes:
+        {{- if .Values.sysctlImage.enabled }}
+        - name: initcontainer-script
+          configMap:
+            name: {{ include "elasticsearch.fullname" . }}-initcontainer
+            defaultMode: 0755
+        {{- end }}
         {{- if .Values.config }}
         - name: config
           configMap:

bitnami/elasticsearch/templates/data-statefulset.yaml

@@ -48,24 +48,13 @@ spec:
           image: {{ include "elasticsearch.sysctl.image" . }}
           imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
           command:
-            - /bin/bash
-            - -ec
-            - |
-              if ! [ -x "$(command -v sysctl)" ]; then
-                echo 'sysctl not installed. Installing it...'
-                distro=$(awk -F= '/^ID=/{print $2}' /etc/os-release | tr -d '"')
-                case $distro in
-                  ol | centos)
-                    yum install -y procps
-                    rm -rf /var/cache/yum;;
-                  ubuntu | debian)
-                    apt-get update -qq && apt-get install -y --no-install-recommends procps
-                    rm -rf /var/lib/apt/lists /var/cache/apt/archives;;
-                esac
-              fi
-              sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
+            - /scripts/sysctl.sh
           securityContext:
             privileged: true
+          volumeMounts:
+            - name: initcontainer-script
+              mountPath: /scripts/sysctl.sh
+              subPath: sysctl.sh
         {{- end }}
         {{- if and .Values.volumePermissions.enabled .Values.data.persistence.enabled }}
         - name: volume-permissions
@@ -151,6 +140,12 @@ spec:
             {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
             {{- end }}
       volumes:
+        {{- if .Values.sysctlImage.enabled }}
+        - name: initcontainer-script
+          configMap:
+            name: {{ include "elasticsearch.fullname" . }}-initcontainer
+            defaultMode: 0755
+        {{- end }}
         {{- if .Values.config }}
         - name: "config"
           configMap:

bitnami/elasticsearch/templates/ingest-deploy.yaml

@@ -39,24 +39,13 @@ spec:
           image: {{ include "elasticsearch.sysctl.image" . }}
           imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
           command:
-            - /bin/bash
-            - -ec
-            - |
-              if ! [ -x "$(command -v sysctl)" ]; then
-                echo 'sysctl not installed. Installing it...'
-                distro=$(awk -F= '/^ID=/{print $2}' /etc/os-release | tr -d '"')
-                case $distro in
-                  ol | centos)
-                    yum install -y procps
-                    rm -rf /var/cache/yum;;
-                  ubuntu | debian)
-                    apt-get update -qq && apt-get install -y --no-install-recommends procps
-                    rm -rf /var/lib/apt/lists /var/cache/apt/archives;;
-                esac
-              fi
-              sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
+            - /scripts/sysctl.sh
           securityContext:
             privileged: true
+          volumeMounts:
+            - name: initcontainer-script
+              mountPath: /scripts/sysctl.sh
+              subPath: sysctl.sh
       {{- end }}
       containers:
         - name: elasticsearch
@@ -125,6 +114,12 @@ spec:
             {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
             {{- end }}
       volumes:
+        {{- if .Values.sysctlImage.enabled }}
+        - name: initcontainer-script
+          configMap:
+            name: {{ include "elasticsearch.fullname" . }}-initcontainer
+            defaultMode: 0755
+        {{- end }}
         {{- if .Values.config }}
         - name: config
           configMap:

bitnami/elasticsearch/templates/master-statefulset.yaml

@@ -40,24 +40,13 @@ spec:
           image: {{ include "elasticsearch.sysctl.image" . }}
           imagePullPolicy: {{ .Values.image.pullPolicy | quote }}
           command:
-            - /bin/bash
-            - -ec
-            - |
-              if ! [ -x "$(command -v sysctl)" ]; then
-                echo 'sysctl not installed. Installing it...'
-                distro=$(awk -F= '/^ID=/{print $2}' /etc/os-release | tr -d '"')
-                case $distro in
-                  ol | centos)
-                    yum install -y procps
-                    rm -rf /var/cache/yum;;
-                  ubuntu | debian)
-                    apt-get update -qq && apt-get install -y --no-install-recommends procps
-                    rm -rf /var/lib/apt/lists /var/cache/apt/archives;;
-                esac
-              fi
-              sysctl -w vm.max_map_count=262144 && sysctl -w fs.file-max=65536
+            - /scripts/sysctl.sh
           securityContext:
             privileged: true
+          volumeMounts:
+            - name: initcontainer-script
+              mountPath: /scripts/sysctl.sh
+              subPath: sysctl.sh
         {{- end }}
         {{- if and .Values.volumePermissions.enabled .Values.master.persistence.enabled }}
         - name: volume-permissions
@@ -149,6 +138,12 @@ spec:
             {{- toYaml .Values.extraVolumeMounts | nindent 12 }}
             {{- end }}
       volumes:
+        {{- if .Values.sysctlImage.enabled }}
+        - name: initcontainer-script
+          configMap:
+            name: {{ include "elasticsearch.fullname" . }}-initcontainer
+            defaultMode: 0755
+        {{- end }}
         {{- if .Values.config }}
         - name: config
           configMap: