support building multi-arch EE image (#249)

Co-authored-by: Matthew Fernandez <l3acon@users.noreply.github.com>

execution_environments/build.sh

@@ -1,29 +1,61 @@
 #!/bin/bash
 
-# array of images to build
-ee_images=(
-    "apd-ee-24"
-    "apd-ee-25"
-)
+if [[ -z $ANSIBLE_GALAXY_SERVER_CERTIFIED_TOKEN || -z $ANSIBLE_GALAXY_SERVER_VALIDATED_TOKEN ]]
+then
+    echo "A valid Automation Hub token is required, Set the following environment variables before continuing"
+    echo "export ANSIBLE_GALAXY_SERVER_CERTIFIED_TOKEN=<token>"
+    echo "export ANSIBLE_GALAXY_SERVER_VALIDATED_TOKEN=<token>"
+    exit 1
+fi
 
-for ee in "${ee_images[@]}"
+# log in to pull the base EE image
+if ! podman login --get-login registry.redhat.io > /dev/null
+then
+    echo "Run 'podman login registry.redhat.io' before continuing"
+    exit 1
+fi
+
+# create EE definition
+rm -rf ./context/*
+ansible-builder create \
+    --file apd-ee-25.yml \
+    --context ./context \
+    -v 3 | tee ansible-builder.log
+
+# remove existing manifest if present
+_tag=$(date +%Y%m%d)
+podman manifest rm quay.io/ansible-product-demos/apd-ee-25:${_tag}
+
+# create manifest for EE image
+podman manifest create quay.io/ansible-product-demos/apd-ee-25:${_tag}
+
+# for the openshift-clients RPM, microdnf doesn't support URL-based installs
+# and HTTP doesn't support file globs for GETs, use multiple steps to determine
+# the correct RPM URL for each machine architecture
+for arch in amd64 arm64
 do
-    echo "Building EE image ${ee}"
+    _baseurl=https://mirror.openshift.com/pub/openshift-v4/${arch}/dependencies/rpms/4.18-el9-beta/
+    _rpm=$(curl -s ${_baseurl} | grep openshift-clients-4 | grep href | cut -d\" -f2)
 
-    # build EE image
-    ansible-builder build \
-        --file ${ee}.yml \
-        --context ./ee_contexts/${ee} \
-        --build-arg ANSIBLE_GALAXY_SERVER_CERTIFIED_TOKEN \
-        --build-arg ANSIBLE_GALAXY_SERVER_VALIDATED_TOKEN \
-        -v 3 \
-        -t quay.io/ansible-product-demos/${ee}:$(date +%Y%m%d)
-
-    if [[ $? == 0 ]]
-    then
-        # tag EE image as latest
-        podman tag \
-            quay.io/ansible-product-demos/${ee}:$(date +%Y%m%d) \
-            quay.io/ansible-product-demos/${ee}:latest
-    fi
+    # build EE for multiple architectures from the EE context
+    pushd ./context/ > /dev/null
+    podman build --platform linux/${arch} \
+      --build-arg ANSIBLE_GALAXY_SERVER_CERTIFIED_TOKEN \
+      --build-arg ANSIBLE_GALAXY_SERVER_VALIDATED_TOKEN \
+      --build-arg OPENSHIFT_CLIENT_RPM="${_baseurl}${_rpm}" \
+      --manifest quay.io/ansible-product-demos/apd-ee-25:${_tag} . \
+      | tee podman-build-${arch}.log
+    popd > /dev/null
 done
+
+# inspect manifest content
+#podman manifest inspect quay.io/ansible-product-demos/apd-ee-25:${_tag}
+
+# tag manifest as latest
+#podman tag quay.io/ansible-product-demos/apd-ee-25:${_tag} quay.io/ansible-product-demos/apd-ee-25:latest
+
+# push all manifest content to repository
+# using --all is important here, it pushes all content and not
+# just the native platform content
+#podman manifest push --all quay.io/ansible-product-demos/apd-ee-25:${_tag}
+#podman manifest push --all quay.io/ansible-product-demos/apd-ee-25:latest