.gitea/workflows/cicd.yaml

@@ -27,6 +27,8 @@ env:
   GITEA_REGISTRY: kankali.darkhelm.lan:3001
   GITEA_REGISTRY_IP: 10.18.75.2
   GITEA_REGISTRY_HOST: kankali.darkhelm.lan
+  CI_PRUNE_AT_JOB_START: "true"
+  CI_PRUNE_THRESHOLD_PERCENT: "90"
 
 defaults:
   run:
@@ -57,6 +59,27 @@ jobs:
           echo "runner_arch=${RUNNER_ARCH:-unknown}"
           echo "timestamp_utc=$(date -u +%Y-%m-%dT%H:%M:%SZ)"
 
+      - name: Pre-job Docker prune
+        run: |
+          if [ "${CI_PRUNE_AT_JOB_START:-false}" != "true" ] || ! command -v docker >/dev/null 2>&1; then
+            echo "Skipping pre-job prune"
+            exit 0
+          fi
+
+          used_before="$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')"
+          threshold="${CI_PRUNE_THRESHOLD_PERCENT:-90}"
+          echo "disk_used_before=${used_before}%"
+          echo "prune_threshold=${threshold}%"
+
+          if [ -n "${used_before}" ] && [ "${used_before}" -ge "${threshold}" ]; then
+            docker builder prune -af || true
+            docker system prune -af --volumes || true
+            used_after="$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')"
+            echo "disk_used_after=${used_after}%"
+          else
+            echo "Skipping prune; usage below threshold"
+          fi
+
       - name: Resolve head SHA
         id: meta
         env:
@@ -272,6 +295,27 @@ jobs:
         run: |
           echo "head_sha=${{ needs['publish-base'].outputs.head_sha }}" >> "$GITHUB_OUTPUT"
 
+      - name: Pre-job Docker prune
+        run: |
+          if [ "${CI_PRUNE_AT_JOB_START:-false}" != "true" ] || ! command -v docker >/dev/null 2>&1; then
+            echo "Skipping pre-job prune"
+            exit 0
+          fi
+
+          used_before="$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')"
+          threshold="${CI_PRUNE_THRESHOLD_PERCENT:-90}"
+          echo "disk_used_before=${used_before}%"
+          echo "prune_threshold=${threshold}%"
+
+          if [ -n "${used_before}" ] && [ "${used_before}" -ge "${threshold}" ]; then
+            docker builder prune -af || true
+            docker system prune -af --volumes || true
+            used_after="$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')"
+            echo "disk_used_after=${used_after}%"
+          else
+            echo "Skipping prune; usage below threshold"
+          fi
+
       - name: Minimal checkout for CICD build inputs
         env:
           SSH_PRIVATE_KEY: ${{ secrets.SSH_PRIVATE_KEY }}
@@ -489,6 +533,21 @@ jobs:
       - &configure_registry_host_step
         name: Configure registry host resolution
         run: |
+          if [ "${CI_PRUNE_AT_JOB_START:-false}" = "true" ] && command -v docker >/dev/null 2>&1; then
+            used_before="$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')"
+            threshold="${CI_PRUNE_THRESHOLD_PERCENT:-90}"
+            echo "disk_used_before=${used_before}%"
+            echo "prune_threshold=${threshold}%"
+            if [ -n "${used_before}" ] && [ "${used_before}" -ge "${threshold}" ]; then
+              docker builder prune -af || true
+              docker system prune -af --volumes || true
+              used_after="$(df -P / | awk 'NR==2 {gsub(/%/, "", $5); print $5}')"
+              echo "disk_used_after=${used_after}%"
+            else
+              echo "Skipping prune; usage below threshold"
+            fi
+          fi
+
           if ! grep -q "${GITEA_REGISTRY_HOST}" /etc/hosts; then
             echo "${GITEA_REGISTRY_IP} ${GITEA_REGISTRY_HOST}" >> /etc/hosts
           fi