Merge branch 'ci-revamp-2022-10' into 'next'

Fix CI

See merge request famedly/conduit!414

.gitlab/setup-buildx-remote-builders.sh

@@ -0,0 +1,37 @@
+#!/bin/sh
+set -eux
+
+# --------------------------------------------------------------------- #
+#                                                                       #
+#  Configures docker buildx to use a remote server for arm building.    #
+#  Expects $SSH_PRIVATE_KEY to be a valid ssh ed25519 private key with  #
+#  access to the server $ARM_SERVER_USER@$ARM_SERVER_IP                 # 
+#                                                                       #
+#  This is expected to only be used in the official CI/CD pipeline!     #
+#                                                                       #
+#  Requirements: openssh-client, docker buildx                          #
+#  Inspired by:  https://depot.dev/blog/building-arm-containers         #
+#                                                                       #
+# --------------------------------------------------------------------- #
+
+cat "$BUILD_SERVER_SSH_PRIVATE_KEY" | ssh-add -
+
+# Test server connections:
+ssh "$ARM_SERVER_USER@$ARM_SERVER_IP" "uname -a"
+ssh "$AMD_SERVER_USER@$AMD_SERVER_IP" "uname -a"
+
+# Connect remote arm64 server for all arm builds:
+docker buildx create \
+    --name "multi" \
+    --driver "docker-container" \
+    --platform "linux/arm64,linux/arm/v7" \
+    "ssh://$ARM_SERVER_USER@$ARM_SERVER_IP"
+
+# Connect remote amd64 server for adm64 builds:
+docker buildx create --append \
+    --name "multi" \
+    --driver "docker-container" \
+    --platform "linux/amd64" \
+    "ssh://$AMD_SERVER_USER@$AMD_SERVER_IP"
+
+docker buildx use multi