Merge pull request #3575 from k0sproject/backport-3572-to-release-1.28

[Backport release-1.28] Reclaim GitHub Runner disk space

.github/workflows/go.yml

@@ -213,6 +213,9 @@ jobs:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
 
+      - name: Reclaim runner disk space
+        run: .github/workflows/reclaim-runner-disk-space.bash
+
       - name: Prepare build environment
         run: .github/workflows/prepare-build-env.sh
 
@@ -286,6 +289,9 @@ jobs:
       - name: Check out code into the Go module directory
         uses: actions/checkout@v3
 
+      - name: Reclaim runner disk space
+        run: .github/workflows/reclaim-runner-disk-space.bash
+
       - name: Prepare build environment
         run: .github/workflows/prepare-build-env.sh
 

.github/workflows/reclaim-runner-disk-space.bash

@@ -0,0 +1,18 @@
+#!/usr/bin/env bash
+
+set +eux
+
+if [ -z "$GITHUB_RUN_ID" ]; then
+  echo "Cowardly refusing to destroy a machine that doesn't look like a GitHub runner." >&2
+  exit 0
+fi
+
+df -h /
+
+docker system prune --all --force &
+sudo rm -rf /imagegeneration/installers &
+sudo rm -rf -- "${ANDROID_SDK_ROOT-/opt/nevermind}" &
+
+wait
+
+df -h /

inttest/network-conformance/network_test.go

@@ -153,11 +153,4 @@ const k0sConfig = `
 spec:
   network:
     provider: %s
-  workerProfiles:
-    - name: default
-      values:
-        # GitHub runners may get low on disk space
-        evictionHard:
-          nodefs.available: 200Mi
-          imagefs.available: 200Mi
 `