Add a CI job to format the rust.

.lighthouse/triggers.yaml

@@ -28,3 +28,65 @@ spec:
                     storage: 10Gi
             subPath: organic-source
         params: []
+    - name: cargo-fmt
+      agent: tekton-pipeline
+      branches:
+        - ^main$
+        - ^master$
+      context: cargo-fmt
+      max_concurrency: 1
+      # Override https-based url from lighthouse events.
+      clone_uri: "git@code.fizz.buzz:talexander/organic.git"
+      pipeline_run_spec:
+        serviceAccountName: build-bot
+        pipelineRef:
+          name: cargo-fmt-pipeline
+          namespace: lighthouse
+        workspaces:
+          - name: git-source
+            volumeClaimTemplate:
+              spec:
+                storageClassName: "nfs-client"
+                accessModes:
+                  - ReadWriteOnce
+                resources:
+                  requests:
+                    storage: 10Gi
+            subPath: rust-source
+        params:
+          - name: GIT_BRANCH
+            value: "master"
+    - name: build-cargo-fmt
+      agent: tekton-pipeline
+      branches:
+        - "^v[0-9]+\\.[0-9]+\\.[0-9]+$"
+      context: build-docker
+      max_concurrency: 1
+      # Override https-based url from lighthouse events.
+      clone_uri: "git@code.fizz.buzz:talexander/organic.git"
+      pipeline_run_spec:
+        serviceAccountName: build-bot
+        pipelineRef:
+          name: build-docker-pipeline
+          namespace: lighthouse
+        workspaces:
+          - name: git-source
+            volumeClaimTemplate:
+              spec:
+                storageClassName: "nfs-client"
+                accessModes:
+                  - ReadWriteOnce
+                resources:
+                  requests:
+                    storage: 10Gi
+            subPath: git-source
+          - name: docker-credentials
+            secret:
+              secretName: harbor-plain
+        params:
+          - name: image-name
+            value: "harbor.fizz.buzz/private/cargo-fmt"
+          - name: path-to-image-context
+            value: docker/cargo_fmt/
+          - name: path-to-dockerfile
+            value: docker/cargo_fmt/Dockerfile

docker/cargo_fmt/Dockerfile

@@ -0,0 +1,5 @@
+FROM harbor.fizz.buzz/dockerhub/library/rust:1.70.0
+
+RUN rustup component add rustfmt
+
+ENTRYPOINT ["cargo", "fmt"]

docker/cargo_fmt/Makefile

@@ -0,0 +1,35 @@
+IMAGE_NAME:=cargo-fmt
+# REMOTE_REPO:=harbor.fizz.buzz/private
+
+.PHONY: all
+all: build push
+
+.PHONY: build
+build:
+	docker build -t $(IMAGE_NAME) -f Dockerfile ../
+
+.PHONY: push
+push:
+ifdef REMOTE_REPO
+	docker tag $(IMAGE_NAME) $(REMOTE_REPO)/$(IMAGE_NAME)
+	docker push $(REMOTE_REPO)/$(IMAGE_NAME)
+else
+	@echo "REMOTE_REPO not defined, not pushing to a remote repo."
+endif
+
+.PHONY: clean
+clean:
+	docker rmi $(IMAGE_NAME)
+ifdef REMOTE_REPO
+	docker rmi $(REMOTE_REPO)/$(IMAGE_NAME)
+else
+	@echo "REMOTE_REPO not defined, not removing from remote repo."
+endif
+
+.PHONY: run
+run:
+	docker run --rm -i -t $(IMAGE_NAME)
+
+.PHONY: shell
+shell:
+	docker run --rm -i -t --entrypoint /bin/bash $(IMAGE_NAME)