[stable/stolon]Add support to create a shm volume to increase the siz…

…e of this (helm#20416) * Add support to create a shm volume to increase the size of this Signed-off-by: Juan Manuel Vizcaino <juanmanuel.vizcaino@iomed.health> * Add support to create a shm volume to increase the size of this Signed-off-by: Juan Manuel Vizcaino <juanmanuel.vizcaino@iomed.health> * Signed-off-by: Juan Manuel Vizcaino <juanmanuel.vizcaino@iomed.health> Fix Readme, by default is disabled.
includerandom · Feb 21, 2020 · 7ac3412 · 7ac3412
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commit 7ac3412
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diff --git a/stable/stolon/Chart.yaml b/stable/stolon/Chart.yaml
@@ -1,6 +1,6 @@
 apiVersion: v1
 name: stolon
-version: 1.5.6
+version: 1.5.7
 appVersion: 0.13.0
 description: Stolon - PostgreSQL cloud native High Availability.
 home: https://github.com/sorintlab/stolon

diff --git a/stable/stolon/README.md b/stable/stolon/README.md
@@ -34,6 +34,7 @@ Kubernetes is the default store backend. `consul`, `etcdv2` or `etcdv3` can also
 | `etcdImage.tag`                         | `etcd` image tag                               | `2.3.7`                                                      |
 | `etcdImage.pullPolicy`                  | `etcd` image pull policy                       | `IfNotPresent`                                               |
 | `debug`                                 | Debug mode                                     | `false`                                                      |
+| `shmVolume.enabled`                     | Enable emptyDir volume for /dev/shm  on keepers pods | `false`                                                 |
 | `persistence.enabled`                   | Use a PVC to persist data                      | `true`                                                       |
 | `persistence.storageClassName`          | Storage class name of backing PVC              | `""`                                                         |
 | `persistence.accessModes`               | Persistent volumes access modes                | `["ReadWriteOnce"]`                                          |

diff --git a/stable/stolon/templates/keeper-statefulset.yaml b/stable/stolon/templates/keeper-statefulset.yaml
@@ -55,6 +55,9 @@ spec:
               export STKEEPER_PG_LISTEN_ADDRESS=$POD_IP
               export STOLON_DATA=/stolon-data
               chown stolon:stolon $STOLON_DATA
+              {{- if .Values.shmVolume.enabled }}
+              chmod -R 777 /dev/shm
+              {{- end }}
               exec gosu stolon stolon-keeper --data-dir $STOLON_DATA
           env:
             - name: POD_NAME
@@ -117,6 +120,10 @@ spec:
           resources:
 {{ toYaml .Values.keeper.resources | indent 12 }}
           volumeMounts:
+{{- if .Values.shmVolume.enabled }}
+          - name: dshm
+            mountPath: /dev/shm
+{{- end }}
           - name: data
             mountPath: /stolon-data
 {{- if .Values.tls.enabled }}
@@ -173,6 +180,11 @@ spec:
 {{ toYaml . | indent 8 }}
 {{- end }}
       volumes:
+{{- if .Values.shmVolume.enabled }}
+        - name: dshm
+          emptyDir:
+            medium: Memory
+{{- end }}
 {{- if .Values.tls.enabled }}
         - name: certs
           secret:

diff --git a/stable/stolon/values.yaml b/stable/stolon/values.yaml
@@ -15,6 +15,10 @@ etcdImage:
 
 debug: false
 
+# Enable the creation of a shm volume
+shmVolume:
+  enabled: false
+
 persistence:
   enabled: true
   ## If defined, storageClassName: <storageClass>