feat: add Makefile for invoking integration tests

Signed-off-by: Jason C. Nucciarone <[email protected]>

Makefile

@@ -0,0 +1,63 @@
+# Copyright 2024 Canonical Ltd.
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+FORMAT_BOLD = \033[1m
+FORMAT_YELLOW = \033[0;33m
+FORMAT_BLUE = \033[0;34m
+FORMAT_END = \033[0m
+
+##@ Build
+
+.PHONY: snap
+snap: ## Build Slurm snap package
+	@snapcraft -v pack
+
+##@ Test
+
+define INTEGRATION_TESTS
+	integration-configless
+endef
+
+.PHONY: integration
+integration: $(INTEGRATION_TESTS) ## Run Slurm integration tests with gambol
+
+.PHONY: check-snap-exists
+check-snap-exists:
+	@[ -f slurm_*.snap ] || \
+		{ echo "slurm snap must be built before this test can run" && exit 1; }
+
+.PHONY: integration-configless
+integration-configless: check-snap-exists
+	@awk 'BEGIN {\
+		printf "running integration test: ${FORMAT_BOLD}configless slurm${FORMAT_END}\n" } '
+	@cp slurm_*.snap tests/integration/configless-slurm/testdata/slurm.snap
+	cd tests/integration/configless-slurm && gambol -v run configless-slurm.yaml
+	@rm -f tests/integration/configless-slurm/testdata/slurm_*.snap/slurm.snap
+
+##@ Clean
+
+.PHONY: clean
+clean: ## Clean up build environment
+	snapcraft -v clean
+
+.PHONY: help
+help:
+	@awk 'BEGIN {\
+		FS = ":.*##"; \
+		printf                "Usage: ${FORMAT_BLUE}OPTION${FORMAT_END}=<value> make ${FORMAT_YELLOW}<target>${FORMAT_END}\n"\
+		} \
+		/^[a-zA-Z0-9_-]+:.*?##/ { printf "  ${FORMAT_BLUE}%-46s${FORMAT_END} %s\n", $$1, $$2 } \
+		/^.?.?##~/              { printf "   %-46s${FORMAT_YELLOW}%-46s${FORMAT_END}\n", "", substr($$1, 6) } \
+		/^##@/                  { printf "\n${FORMAT_BOLD}%s${FORMAT_END}\n", substr($$0, 5) } ' $(MAKEFILE_LIST)
+