Update build

.air.toml

@@ -0,0 +1,9 @@
+root = "."
+tmp_dir = "tmp"
+
+[build]
+cmd = "go build -buildvcs=false -o ./tmp/main ."
+bin = "tmp/main"
+delay = 1000
+exclude_dir = ["tmp", "vendor"]
+

.gitignore

@@ -0,0 +1 @@
+tmp/

Dockerfile

@@ -7,4 +7,4 @@ FROM scratch
 
 COPY --from=prep-image /lilog /lilog
 
-CMD ["/lilog"]
+ENTRYPOINT ["/lilog"]

Makefile

@@ -2,3 +2,13 @@ docker-build:
 	docker build -t liffsh/lilog:latest --progress=plain ./
 docker-run:
 	docker run -v /var/run/docker.sock:/var/run/docker.sock liffsh/lilog:latest
+ship:
+	docker build -t liffsh/lilog:latest . && docker push liffsh/lilog:latest
+dev:
+	docker run --rm -it \
+		-v $$(pwd):/app \
+  		-v /var/run/docker.sock:/var/run/docker.sock \
+		-w /app \
+		-p 8080:8080 \
+		golang:latest \
+		sh -c "go install github.com/air-verse/air@latest && air"

main.go

@@ -16,58 +16,71 @@ import (
 	"github.com/docker/docker/pkg/stdcopy"
 )
 
+var containers = make(map[string]int)
+
+type LogType struct {
+	Log           string
+	Source        string
+	ContainerName string
+}
+
 func main() {
-	listContainersAndLogType()
+	ctx := context.Background()
 	pp.Println("Running")
 	ticker := time.NewTicker(1 * time.Second)
 	defer ticker.Stop()
-	// for _ = range ticker.C {
-	// 	fetchLogs(client)
-	// }
-	
-    done := make(chan struct{})
-    <-done // block forever
+	logschan := make(chan LogType)
+	listContainersAndLogType(ctx, logschan)
+
+	go func() {
+		time.Sleep(3 * time.Second)
+		slog.Info("Slept")
+		done := ctx.Done()
+		test := <- done
+		pp.Println(test)
+	}()
+
+	for i := range logschan {
+		pp.Println(i.ContainerName + ": " + i.Log)
+	}
 }
 
-func listContainersAndLogType() {
-	ctx := context.Background()
-
+func listContainersAndLogType(ctx context.Context, logschan chan<- LogType) {
 	cli, err := client.NewClientWithOpts(client.FromEnv, client.WithAPIVersionNegotiation())
 	if err != nil {
 		log.Fatalf("Error creating Docker client: %v", err)
 	}
 
-	// List running and stopped containers
 	containers, err := cli.ContainerList(ctx, container.ListOptions{All: true})
 	if err != nil {
 		log.Fatalf("Error listing containers: %v", err)
 	}
 
-	pp.Println(containers)
-
-	go func() {
-		time.Sleep(3 * time.Second)
-		slog.Info("Slept")
-		ctx.Done()
-	}()
-
 	for _, curcont := range containers {
-
 		go func() {
-			streamContainerLogs(ctx, cli, curcont)
+			defer streamContainerLogs(ctx, cli, curcont, logschan)
 		}()
-		// pp.Println(logs)
 	}
 }
 
-func streamContainerLogs(ctx context.Context, cli *client.Client, curcont container.Summary) {
-
+func streamContainerLogs(ctx context.Context, cli *client.Client, curcont container.Summary, logschan chan<- LogType) {
 	inspect, err := cli.ContainerInspect(ctx, curcont.ID)
 	if err != nil {
 		log.Printf("Error inspecting container %s: %v", curcont.ID, err)
 		return
 	}
 
+	fmt.Println("Cmd: ", inspect.Config.Cmd)
+	fmt.Println("Entrypoint: ", inspect.Config.Entrypoint)
+	if len(inspect.Config.Cmd) == 0 {
+		slog.Info("Skipping container as cmd empty", "container-id", curcont.ID, "container-image", curcont.Image)
+		return
+	}
+	if inspect.Config.Cmd[0] == "/lilog" {
+		slog.Info("Skipping own container logs")
+		return
+	}
+
 	logType := inspect.HostConfig.LogConfig.Type
 	fmt.Printf("Container: %-20s ID: %.12s LogDriver: %s\n",
 		curcont.Image, curcont.ID, logType)
@@ -76,40 +89,40 @@ func streamContainerLogs(ctx context.Context, cli *client.Client, curcont contai
 		ShowStdout: true,
 		ShowStderr: true,
 		Follow:     true,
+		Tail:       "3",
 	})
 	if err != nil {
 		panic(err)
 	}
 
 	defer reader.Close()
+	stdoutPR, stdoutPW := io.Pipe()
+	stderrPR, stderrPW := io.Pipe()
 
-	if !inspect.Config.Tty {
-		// stdcopy.StdCopy(os.Stdout, os.Stderr, reader)
+	defer stdoutPW.Close()
+	defer stderrPW.Close()
 
-		scanner := bufio.NewScanner(reader)
-		for scanner.Scan() {
-			handleLog("stdout", scanner.Text())
-		}
-	} else {
-		// io.Copy(os.Stdout, reader)
-
-		stdout := newLogWriter("stdout", handleLog)
-		stderr := newLogWriter("stderr", handleLog)
-		stdcopy.StdCopy(stdout, stderr, reader)
-	}
-}
-
-func newLogWriter(stream string, handle func(string, string)) io.Writer {
-	pr, pw := io.Pipe()
 	go func() {
-		scanner := bufio.NewScanner(pr)
+		scanner := bufio.NewScanner(stdoutPR)
 		for scanner.Scan() {
-			handle(stream, scanner.Text())
+			logschan <- LogType{
+				ContainerName: inspect.Name,
+				Source:        "tty",
+				Log:           scanner.Text(),
+			}
 		}
 	}()
-	return pw
-}
 
-func handleLog(t string, b string) {
-	fmt.Println("handleLog", t, ":", b)
+	go func() {
+		scanner := bufio.NewScanner(stderrPR)
+		for scanner.Scan() {
+			logschan <- LogType{
+				ContainerName: inspect.Name,
+				Source:        "tty",
+				Log:           scanner.Text(),
+			}
+		}
+	}()
+
+	stdcopy.StdCopy(stdoutPW, stderrPW, reader)
 }