From 23c845a538d8f3f4e6d284c80ebc57c03f8bb8b9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?David=20Roz=C3=A9?= <droze@baylibre.com>
Date: Thu, 6 Feb 2025 15:27:58 +0100
Subject: [PATCH] Enable `cleanUpWorkDirOnStart` on workers deployments
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Signed-off-by: David Rozé <droze@baylibre.com>
---
 templates/worker-deployment.yaml | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

diff --git a/templates/worker-deployment.yaml b/templates/worker-deployment.yaml
index 23a6f534..862ad743 100644
--- a/templates/worker-deployment.yaml
+++ b/templates/worker-deployment.yaml
@@ -59,6 +59,26 @@ spec:
       {{- if .Values.worker.extraInitContainers }}
       {{- toYaml .Values.worker.extraInitContainers | nindent 8 }}
       {{- end }}
+      {{- if .Values.worker.cleanUpWorkDirOnStart }}
+        - name: {{ template "concourse.worker.fullname" . }}-init-rm
+          {{- if .Values.imageDigest }}
+          image: "{{ .Values.image }}@{{ .Values.imageDigest }}"
+          {{- else }}
+          image: "{{ .Values.image }}:{{ .Values.imageTag }}"
+          {{- end }}
+          imagePullPolicy: {{ .Values.imagePullPolicy | quote }}
+          securityContext:
+            privileged: true
+          command:
+            - /bin/bash
+          args:
+            - -ce
+            - |-
+              for v in $((btrfs subvolume list --sort=-ogen "{{ .Values.concourse.worker.workDir }}" || true) | awk '{print $9}'); do
+                (btrfs subvolume show "{{ .Values.concourse.worker.workDir }}/$v" && btrfs subvolume delete "{{ .Values.concourse.worker.workDir }}/$v") || true
+              done
+              rm -rf "{{ .Values.concourse.worker.workDir }}"/*
+      {{- end }}
       containers:
       {{- if .Values.worker.sidecarContainers }}
       {{- toYaml .Values.worker.sidecarContainers | nindent 8 }}