Add support for qdrant recovery mode (#54)

* Add support for qdrant recovery mode by adding environment variables support to helm template as well as starting qdrant from `entrypoint.sh`.

* Fix indentation;

* Fix indentation

* More indentation fixes

---------

Co-authored-by: Tony Skorik <anton.skorik@aliexpress.ru>

charts/qdrant/templates/configmap.yaml

@@ -8,13 +8,13 @@ data:
     SET_INDEX=${HOSTNAME##*-}
     {{- if and (.Values.snapshotRestoration.enabled) (eq (.Values.replicaCount | quote)  (1 | quote)) }}
     echo "Starting initializing for pod $SET_INDEX and snapshots restoration"
-    ./qdrant {{ range .Values.snapshotRestoration.snapshots }} --snapshot {{ . }} {{ end }}
+    ./entrypoint.sh {{ range .Values.snapshotRestoration.snapshots }} --snapshot {{ . }} {{ end }}
     {{- else }}
     echo "Starting initializing for pod $SET_INDEX"
     if [ "$SET_INDEX" = "0" ]; then
-      ./qdrant --uri 'http://{{ include "qdrant.fullname" . }}-0.{{ include "qdrant.fullname" . }}-headless:6335'
+      ./entrypoint.sh --uri 'http://{{ include "qdrant.fullname" . }}-0.{{ include "qdrant.fullname" . }}-headless:6335'
     else
-      ./qdrant --bootstrap 'http://{{ include "qdrant.fullname" . }}-0.{{ include "qdrant.fullname" . }}-headless:6335' --uri 'http://{{ include "qdrant.fullname" . }}-'"$SET_INDEX"'.{{ include "qdrant.fullname" . }}-headless:6335'
+      ./entrypoint.sh --bootstrap 'http://{{ include "qdrant.fullname" . }}-0.{{ include "qdrant.fullname" . }}-headless:6335' --uri 'http://{{ include "qdrant.fullname" . }}-'"$SET_INDEX"'.{{ include "qdrant.fullname" . }}-headless:6335'
     fi
     {{ end }}
   production.yaml: |

charts/qdrant/templates/statefulset.yaml

@@ -66,6 +66,11 @@ spec:
         - name: {{ .Chart.Name }}
           image: "{{ .Values.image.repository }}:{{ .Values.image.tag | default .Chart.AppVersion }}"
           imagePullPolicy: {{ .Values.image.pullPolicy }}
+          env:
+          {{- range .Values.env }}
+            - name: {{ .name }}
+              value: {{ .value | quote }}
+          {{- end }}
           command: ["/bin/sh", "-c"]
           {{- with .Values.args }}
           args:

charts/qdrant/values.yaml

@@ -9,6 +9,9 @@ imagePullSecrets: []
 nameOverride: ""
 fullnameOverride: ""
 args: ["./config/initialize.sh"]
+env: {}
+  # - name: QDRANT_ALLOW_RECOVERY_MODE
+  #   value: true
 
 # checks - Readiness and liveness checks can only be enabled for either http (REST) or grpc (multiple checks not supported)
 # grpc checks are only available from k8s 1.24+ so as of per default we check http