add basic pipeline

.circleci/config.yml

@@ -0,0 +1,109 @@
+version: 2.1
+
+jobs:
+  run-static-analysis:
+    parameters:
+      version:
+        type: string
+    docker:
+      - image: circleci/golang:<< parameters.version >>
+        environment:
+          GO111MODULE: "on"
+    # 1CPU / 2GB RAM
+    resource_class: small
+    steps:
+
+      - checkout
+
+      - restore_cache:
+          keys:
+            - go-<< parameters.version >>-{{ checksum "go.sum" }}-{{ checksum "Makefile" }}
+
+      - run: make bootstrap
+
+      - save_cache:
+          key: go-<< parameters.version >>-{{ checksum "go.sum" }}-{{ checksum "Makefile" }}
+          paths:
+            - "/go/pkg/mod"
+            - ".tmp"
+
+      - run:
+          name: run static analysis
+          command: make lint
+
+  run-tests:
+    parameters:
+      version:
+        type: string
+    docker:
+      - image: circleci/golang:<< parameters.version >>
+        environment:
+          GO111MODULE: "on"
+    # 1CPU / 2GB RAM
+    resource_class: small
+    steps:
+
+      - checkout
+
+      - restore_cache:
+          keys:
+            - go-<< parameters.version >>-{{ checksum "go.sum" }}-{{ checksum "Makefile" }}
+
+      - run: make bootstrap
+
+      - save_cache:
+          key: go-<< parameters.version >>-{{ checksum "go.sum" }}-{{ checksum "Makefile" }}
+          paths:
+            - "/go/pkg/mod"
+            - ".tmp"
+
+      - setup_remote_docker:
+          version: 18.06.0-ce
+
+      - run:
+          name: enable docker client
+          command: |
+              # all of this to enable "circleci local execute ..." cli commands for /var/run/docker.sock
+              mkdir -p ${HOME}/.local/bin
+              cat \<< EOF > ${HOME}/.local/bin/docker
+              #!/bin/bash
+              set -xue
+              sudo -E ${HOME}/.local/bin/docker.bin \$@
+              EOF
+              sudo mv /usr/bin/docker ${HOME}/.local/bin/docker.bin
+              chmod 755 ${HOME}/.local/bin/docker
+
+      - run:
+          name: run unit tests
+          command: make unit
+
+      - run:
+          name: build hash key for tar cache
+          command: find integration/test-fixtures/image-* -type f -exec md5sum {} + | awk '{print $1}' | sort | md5sum | tee integration/test-fixtures/tar-cache.key
+
+      - restore_cache:
+          keys:
+            - integration-test-tar-cache-{{ checksum "integration/test-fixtures/tar-cache.key" }}
+      - run:
+          name: run integration tests
+          command: |
+            docker version
+            make integration
+
+      - save_cache:
+          key: integration-test-tar-cache-{{ checksum "integration/test-fixtures/tar-cache.key" }}
+          paths:
+            - "integration/test-fixtures/tar-cache"
+
+workflows:
+  "Static Analysis & All Tests":
+    jobs:
+      - run-static-analysis:
+          name: "Static Analysis"
+          version: "1.14"
+      - run-tests:
+          name: "Unit & Integration Tests (go-1.13)"
+          version: "1.13"
+      - run-tests:
+          name: "Unit & Integration Tests (go-latest)"
+          version: "latest"

.golangci.yaml

@@ -1,4 +1,6 @@
-linter-settings:
+linters-settings:
+  funlen:
+    lines: 70
 linters:
   # inverted configuration with `enable-all` and `disable` is not scalable during updates of golangci-lint
   disable-all: true

imgbom/distro/distro.go

@@ -38,5 +38,5 @@ func (d Distro) String() string {
 
 // Name provides a string repr of the distro
 func (d Distro) Name() string {
-	return fmt.Sprintf("%s", d.Type)
+	return d.Type.String()
 }