chore: further platform fixes

Author: lklimek

.github/actions/docker/action.yaml

@@ -182,7 +182,7 @@ runs:
           SCCACHE_BUCKET=${{ inputs.cache_bucket }}
           SCCACHE_REGION=${{ inputs.cache_region }}
           SCCACHE_ENDPOINT=${{ inputs.cache_endpoint }}
-          SCCACHE_S3_KEY_PREFIX=${{ runner.os }}/sccache/${{ runner.arch }}/linux-gnu
+          SCCACHE_S3_KEY_PREFIX=${{ env.SCCACHE_S3_KEY_PREFIX }}
           SCCACHE_VERSION=${{ env.SCCACHE_VERSION }}
           AWS_PROFILE=sccache
         cache-from: ${{ steps.layer_cache_settings.outputs.cache_from }}

.github/actions/rust/action.yaml

@@ -82,12 +82,6 @@ runs:
         echo "PROTOC=${HOME}/.local/bin/protoc" >> $GITHUB_ENV
         export PATH="${PATH}:${HOME}/.local/bin"
 
-    - name: Install sccache-cache
-      uses: mozilla-actions/[email protected]
-      with:
-        version: "v0.8.2" # Must be the same as in Dockerfile
-      if: inputs.cache == 'true'
-
     - name: Set HOME variable to github context
       shell: bash
       run: echo "HOME=$HOME" >> $GITHUB_ENV

.github/actions/sccache/action.yaml

@@ -18,8 +18,9 @@ inputs:
     description: S3 endpoint secret access key
     required: true
   platform:
-    description: "Platform and architecture to use when caching; helps to avoid invalid cache on different arch"
-    required: true
+    description: "Platform and architecture to use when caching; defaults to linux/amd64"
+    required: false
+    default: "linux/amd64"
   install:
     description: "Install sccache"
     default: "true"
@@ -53,6 +54,6 @@ runs:
         echo "SCCACHE_BUCKET=${{ inputs.bucket }}" >> $GITHUB_ENV
         echo "SCCACHE_REGION=${{ inputs.region }}" >> $GITHUB_ENV
         echo "SCCACHE_ENDPOINT=${{ inputs.endpoint }}" >> $GITHUB_ENV
-        echo "SCCACHE_S3_KEY_PREFIX=${{ runner.os }}/sccache/${{ inputs.platform }}/" >> $GITHUB_ENV
+        echo "SCCACHE_S3_KEY_PREFIX=sccache/${{ inputs.platform }}/" >> $GITHUB_ENV
         # "SCCACHE_VERSION" is used inside Docker to install the same version of sccache
         echo "SCCACHE_VERSION=${{ inputs.version }}" >> $GITHUB_ENV