From abd84c54a35272c2ff5480c73ab96670447352b1 Mon Sep 17 00:00:00 2001
From: David Zager <dzager@redhat.com>
Date: Thu, 4 Apr 2024 14:45:08 -0400
Subject: [PATCH] :seedling: flag to use swap when building images

Signed-off-by: David Zager <dzager@redhat.com>
---
 .github/workflows/build-push-images.yaml | 26 ++++++++++++++++++++++++
 1 file changed, 26 insertions(+)

diff --git a/.github/workflows/build-push-images.yaml b/.github/workflows/build-push-images.yaml
index 37a8183..944fcac 100644
--- a/.github/workflows/build-push-images.yaml
+++ b/.github/workflows/build-push-images.yaml
@@ -34,6 +34,11 @@ on:
         default: "."
         required: false
         type: string
+      swap-size-gb:
+        description: 'Swap space to create, in Gigabytes.'
+        default: ""
+        required: false
+        type: string
     secrets:
       registry_username:
         description: "Quay publish robot"
@@ -52,6 +57,27 @@ jobs:
       matrix:
         architecture: ${{ fromJSON(inputs.architectures) }}
     steps:
+      - name: Get more swap space
+        shell: bash
+        if: "${{ inputs.swap-size-gb != '' }}"
+        run: |
+          echo "Before swap"
+          free -h
+          swapon --show
+
+          # Make swap
+          export SWAP_FILE=$(swapon --show=NAME | tail -n 1)
+          sudo swapoff $SWAP_FILE
+          sudo rm $SWAP_FILE
+          sudo fallocate -l ${{ inputs.swap-size-gb }}G $SWAP_FILE
+          sudo chmod 600 $SWAP_FILE
+          sudo mkswap $SWAP_FILE
+          sudo swapon $SWAP_FILE
+
+          echo "After swap"
+          free -h
+          swapon --show
+
       - name: Maximize disk space
         shell: bash
         run: |