Merge pull request #55 from mailgun/thrawn/gha

Remove Travis CI and use GitHub Actions

.github/workflows/on-pull-request.yaml

@@ -0,0 +1,46 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - master
+      - main
+  pull_request:
+    branches:
+      - master
+      - main
+
+jobs:
+  on-pull-request:
+    name: test
+    strategy:
+      matrix:
+        go-version:
+          - 1.18.x
+          - 1.19.x
+        os: [ ubuntu-latest ]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@master
+
+      - name: Set up Go
+        uses: actions/setup-go@v2
+        with:
+          go-version: ${{ matrix.go-version }}
+
+      - run: go env
+
+      - name: Cache deps
+        uses: actions/cache@v2
+        with:
+          path: ~/go/pkg/mod
+          key: ${{ runner.os }}-go-${{ hashFiles('**/go.sum') }}
+          restore-keys: |
+            ${{ runner.os }}-go-
+
+      - name: Install deps
+        run: go mod download
+
+      - name: Test
+        run: go test ./...

.gitignore

@@ -1,2 +1,3 @@
 *~
 .idea/
+.DS_Store

.travis.yml

@@ -1,20 +0,0 @@
-language: go
-go_import_path: github.com/mailgun/groupcache
-
-os: linux
-dist: xenial
-sudo: false
-
-script:
-  - go test ./...
-
-go:
-  - 1.13.x
-  - 1.14.x
-  - 1.15.x
-  - 1.17.x
-  - master
-
-cache:
-  directories:
-    - $GOPATH/pkg

cmd/server/main.go

@@ -0,0 +1,94 @@
+package main
+
+import (
+	"context"
+	"flag"
+	"fmt"
+	"log"
+	"net/http"
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+	"time"
+
+	"github.com/mailgun/groupcache/v2"
+)
+
+var store = map[string]string{}
+
+var group = groupcache.NewGroup("cache1", 64<<20, groupcache.GetterFunc(
+	func(ctx context.Context, key string, dest groupcache.Sink) error {
+		fmt.Printf("Get Called\n")
+		v, ok := store[key]
+		if !ok {
+			return fmt.Errorf("key not set")
+		} else {
+			if err := dest.SetBytes([]byte(v), time.Now().Add(10*time.Minute)); err != nil {
+				log.Printf("Failed to set cache value for key '%s' - %v\n", key, err)
+				return err
+			}
+		}
+
+		return nil
+	},
+))
+
+func main() {
+	addr := flag.String("addr", ":8080", "server address")
+	addr2 := flag.String("api-addr", ":8081", "api server address")
+	peers := flag.String("pool", "http://localhost:8080", "server pool list")
+	flag.Parse()
+
+	p := strings.Split(*peers, ",")
+	pool := groupcache.NewHTTPPoolOpts(fmt.Sprintf("http://%s", *addr), &groupcache.HTTPPoolOptions{})
+	pool.Set(p...)
+
+	http.HandleFunc("/set", func(w http.ResponseWriter, r *http.Request) {
+		r.ParseForm()
+		key := r.FormValue("key")
+		value := r.FormValue("value")
+		fmt.Printf("Set: [%s]%s\n", key, value)
+		store[key] = value
+	})
+
+	http.HandleFunc("/cache", func(w http.ResponseWriter, r *http.Request) {
+		key := r.FormValue("key")
+
+		fmt.Printf("Fetching value for key '%s'\n", key)
+
+		ctx, cancel := context.WithTimeout(context.Background(), 2*time.Second)
+		defer cancel()
+
+		var b []byte
+		err := group.Get(ctx, key, groupcache.AllocatingByteSliceSink(&b))
+		if err != nil {
+			http.Error(w, err.Error(), http.StatusNotFound)
+			return
+		}
+		w.Write(b)
+		w.Write([]byte{'\n'})
+	})
+
+	server := http.Server{
+		Addr:    *addr,
+		Handler: pool,
+	}
+
+	go func() {
+		if err := server.ListenAndServe(); err != nil {
+			log.Fatalf("Failed to start HTTP server - %v", err)
+		}
+	}()
+
+	go func() {
+		if err := http.ListenAndServe(*addr2, nil); err != nil {
+			log.Fatalf("Failed to start API HTTP server - %v", err)
+		}
+	}()
+
+	fmt.Printf("Running...\n")
+	termChan := make(chan os.Signal, 1)
+	signal.Notify(termChan, syscall.SIGINT, syscall.SIGTERM)
+	<-termChan
+}