TMP directory crud

main.go

@@ -4,6 +4,7 @@ import (
 	"crypto/md5"
 	"encoding/json"
 	"fmt"
+	"io"
 	"io/ioutil"
 	"log"
 	"net/http"
@@ -34,6 +35,7 @@ var (
 	notifiedChanges     = make(map[string]string)
 	monitoredContainers = make(map[string]*MonitoredContainer)
 	mu                  sync.Mutex
+	httpClient          *http.Client
 )
 
 func init() {
@@ -46,6 +48,10 @@ func init() {
 	if glitchtipDSN == "" {
 		log.Fatal("GLITCHTIP_DSN environment variable is not set")
 	}
+
+	httpClient = &http.Client{
+		Timeout: 30 * time.Second,
+	}
 }
 
 func main() {
@@ -57,13 +63,24 @@ func main() {
 		log.Fatalf("Error creating diffs directory: %v", err)
 	}
 
-	for {
-		err := fetchAndMonitorContainers()
-		if err != nil {
-			log.Printf("Error in fetching and monitoring containers: %v", err)
-		}
+	ticker := time.NewTicker(1 * time.Minute)
+	defer ticker.Stop()
 
-		time.Sleep(1 * time.Second)
+	for {
+		select {
+		case <-ticker.C:
+			log.Println("Fetching and monitoring containers...")
+			err := fetchAndMonitorContainers()
+			if err != nil {
+				log.Printf("Error in fetching and monitoring containers: %v", err)
+			}
+		default:
+			time.Sleep(1 * time.Second)
+			err := monitorContainers()
+			if err != nil {
+				log.Printf("Error in monitoring containers: %v", err)
+			}
+		}
 	}
 }
 
@@ -72,14 +89,32 @@ func fetchAndMonitorContainers() error {
 	if err != nil {
 		return err
 	}
+	log.Printf("Fetched %d containers\n", len(containers))
 
+	mu.Lock()
+	defer mu.Unlock()
+
+	// Remove containers that are no longer present
+	for id := range monitoredContainers {
+		found := false
+		for _, container := range containers {
+			if container.ID == id {
+				found = true
+				break
+			}
+		}
+		if !found {
+			delete(monitoredContainers, id)
+			log.Printf("Stopped monitoring container %s\n", id)
+		}
+	}
+
+	// Add or update containers
 	for _, container := range containers {
-		mu.Lock()
 		if _, exists := monitoredContainers[container.ID]; !exists {
 			interval, err := time.ParseDuration(container.Interval)
 			if err != nil {
 				log.Printf("Invalid interval for container %s (%s): %v", container.Name, container.ID, err)
-				mu.Unlock()
 				continue
 			}
 
@@ -87,10 +122,16 @@ func fetchAndMonitorContainers() error {
 				Info:        container,
 				LastChecked: time.Now().Add(-interval),
 			}
+			log.Printf("Started monitoring container %s (%s) with interval %s\n", container.Name, container.ID, container.Interval)
+		} else {
+			monitoredContainers[container.ID].Info = container
 		}
-		mu.Unlock()
 	}
 
+	return nil
+}
+
+func monitorContainers() error {
 	var wg sync.WaitGroup
 	for _, monitoredContainer := range monitoredContainers {
 		wg.Add(1)
@@ -106,6 +147,7 @@ func fetchAndMonitorContainers() error {
 			if time.Since(mc.LastChecked) >= interval {
 				mc.LastChecked = time.Now()
 				mu.Unlock()
+				log.Printf("Checking container %s (%s)\n", mc.Info.Name, mc.Info.ID)
 				checkAndNotify(mc.Info)
 			} else {
 				mu.Unlock()
@@ -113,23 +155,34 @@ func fetchAndMonitorContainers() error {
 		}(monitoredContainer)
 	}
 	wg.Wait()
-
 	return nil
 }
 
 func fetchContainers() ([]ContainerInfo, error) {
-	resp, err := http.Get(fmt.Sprintf("%s/containers", apiAddress))
+	log.Printf("Fetching containers from API: %s/containers\n", apiAddress)
+	resp, err := httpClient.Get(fmt.Sprintf("%s/containers", apiAddress))
 	if err != nil {
+		log.Printf("Error fetching containers: %v", err)
 		return nil, err
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
+		log.Printf("Error fetching containers: %s", resp.Status)
 		return nil, fmt.Errorf("error fetching containers: %s", resp.Status)
 	}
 
+	body, err := ioutil.ReadAll(resp.Body)
+	if err != nil {
+		log.Printf("Error reading response body: %v", err)
+		return nil, err
+	}
+
+	log.Printf("Response body: %s\n", body)
+
 	var containers []ContainerInfo
-	if err := json.NewDecoder(resp.Body).Decode(&containers); err != nil {
+	if err := json.Unmarshal(body, &containers); err != nil {
+		log.Printf("Error unmarshaling response body: %v", err)
 		return nil, err
 	}
 
@@ -137,21 +190,27 @@ func fetchContainers() ([]ContainerInfo, error) {
 }
 
 func fetchDiffOutput(containerID string) (string, error) {
-	resp, err := http.Get(fmt.Sprintf("%s/diff?id=%s", apiAddress, containerID))
+	log.Printf("Fetching diff output for container ID: %s\n", containerID)
+	resp, err := httpClient.Get(fmt.Sprintf("%s/diff?id=%s", apiAddress, containerID))
 	if err != nil {
+		log.Printf("Error fetching diff: %v", err)
 		return "", err
 	}
 	defer resp.Body.Close()
 
 	if resp.StatusCode != http.StatusOK {
+		log.Printf("Error fetching diff: %s", resp.Status)
 		return "", fmt.Errorf("error fetching diff: %s", resp.Status)
 	}
 
 	body, err := ioutil.ReadAll(resp.Body)
 	if err != nil {
+		log.Printf("Error reading response body: %v", err)
 		return "", err
 	}
 
+	log.Printf("Diff output: %s\n", body)
+
 	return string(body), nil
 }
 
@@ -211,10 +270,15 @@ func filterDiffOutput(diffOutput, cname string, ignores []string) (string, error
 		return "", fmt.Errorf("error writing diff to file: %s", err)
 	}
 
-	// Construct the /usr/local/bin/oculus_filter command
+	if len(ignores) == 0 {
+		log.Println("No ignore patterns provided.")
+		return "", fmt.Errorf("no ignore patterns provided")
+	}
+
+	// Construct the filter command
 	args := append([]string{filename}, ignores...)
 	cmd := exec.Command("/usr/local/bin/oculus_filter", args...)
-	fullCommand := fmt.Sprintf("/usr/local/bin/oculus_filter %s", strings.Join(cmd.Args, " "))
+	fullCommand := fmt.Sprintf("oculus_filter %s", strings.Join(cmd.Args, " "))
 	log.Printf("Running command: %s", fullCommand)
 	fmt.Printf("Running command: %s\n", fullCommand) // Print the command to stdout for debugging
 
@@ -252,6 +316,23 @@ func writeToFile(filename, content string) error {
 	return nil
 }
 
+func copyFile(src, dst string) error {
+	srcFile, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer srcFile.Close()
+
+	dstFile, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer dstFile.Close()
+
+	_, err = io.Copy(dstFile, srcFile)
+	return err
+}
+
 func sendNotification(content string) error {
 	cmd := exec.Command("go-glitch")
 	cmd.Stdin = strings.NewReader(content)