Atlas の監視とアラートに関するガイダンス

// See entire project at https://github.com/mongodb/atlas-architecture-go-sdk
package main
import (
	"atlas-sdk-go/internal/auth"
	"context"
	"encoding/json"
	"fmt"
	"go.mongodb.org/atlas-sdk/v20250219001/admin"
	"log"
)
// getDiskMetrics fetches metrics for a specified disk partition in a project and prints results to the console
func getDiskMetrics(ctx context.Context, atlasClient admin.APIClient, params *admin.GetDiskMeasurementsApiParams) (*admin.ApiMeasurementsGeneralViewAtlas, error) {
	resp, _, err := atlasClient.MonitoringAndLogsApi.GetDiskMeasurementsWithParams(ctx, params).Execute()
	if err != nil {
		if apiError, ok := admin.AsError(err); ok {
			return nil, fmt.Errorf("failed to get metrics for partition: %s (API error: %v)", err, apiError.GetDetail())
		}
		return nil, fmt.Errorf("failed to get metrics: %w", err)
	}
	if resp == nil || resp.HasMeasurements() == false {
		return nil, fmt.Errorf("no metrics found for partition %s in project %s", params.PartitionName, params.GroupId)
	}
	jsonData, err := json.MarshalIndent(resp, "", "  ")
	if err != nil {
		return nil, fmt.Errorf("failed to marshal response: %w", err)
	}
	fmt.Println(string(jsonData))
	return resp, nil
}
func main() {
	ctx := context.Background()
	// Create an Atlas client authenticated using OAuth2 with service account credentials
	atlasClient, _, config, err := auth.CreateAtlasClient()
	if err != nil {
		log.Fatalf("Failed to create Atlas client: %v", err)
	}
	// Fetch disk metrics using the following parameters:
	partitionName := "data"
	diskMetricsGranularity := admin.PtrString("P1D")
	diskMetricsPeriod := admin.PtrString("P1D")
	diskMetrics := []string{
		"DISK_PARTITION_SPACE_FREE", "DISK_PARTITION_SPACE_USED",
	}
	diskMeasurementsParams := &admin.GetDiskMeasurementsApiParams{
		GroupId:       config.ProjectID,
		ProcessId:     config.ProcessID,
		PartitionName: partitionName,
		M:             &diskMetrics,
		Granularity:   diskMetricsGranularity,
		Period:        diskMetricsPeriod,
	}
	_, err = getDiskMetrics(ctx, *atlasClient, diskMeasurementsParams)
	if err != nil {
		fmt.Printf("Error fetching disk metrics: %v", err)
	}
}

// See entire project at https://github.com/mongodb/atlas-architecture-go-sdk
package main
import (
	"atlas-sdk-go/internal/auth"
	"compress/gzip"
	"context"
	"fmt"
	"io"
	"log"
	"os"
	"strings"
	"go.mongodb.org/atlas-sdk/v20250219001/admin"
)
func SafeClose(c io.Closer) {
	if c != nil {
		if err := c.Close(); err != nil {
			log.Printf("Warning: failed to close resource: %v", err)
		}
	}
}
// getHostLogs downloads a compressed .gz file that contains the MongoDB logs for
// the specified host in your project.
func getHostLogs(ctx context.Context, atlasClient admin.APIClient, params *admin.GetHostLogsApiParams) (string, error) {
	logFileName := fmt.Sprintf("logs_%s_%s.gz", params.GroupId, params.HostName)
	fmt.Printf("Fetching %s log for host %s in project %s\n", params.LogName, params.HostName, params.GroupId)
	if err := downloadLogs(ctx, atlasClient, params, logFileName); err != nil {
		return "", err
	}
	fmt.Printf("Logs saved to %s\n", logFileName)
	return logFileName, nil
}
func downloadLogs(ctx context.Context, atlasClient admin.APIClient, params *admin.GetHostLogsApiParams, filePath string) error {
	resp, _, err := atlasClient.MonitoringAndLogsApi.GetHostLogsWithParams(ctx, params).Execute()
	if err != nil {
		return fmt.Errorf("fetch logs: %w", err)
	}
	defer SafeClose(resp)
	file, err := os.Create(filePath)
	if err != nil {
		return fmt.Errorf("create %q: %w", filePath, err)
	}
	defer SafeClose(file)
	if _, err := io.Copy(file, resp); err != nil {
		return fmt.Errorf("write to %q: %w", filePath, err)
	}
	return nil
}
func unzipGzFile(srcPath, destPath string) error {
	srcFile, err := os.Open(srcPath)
	if err != nil {
		return fmt.Errorf("open gz file: %w", err)
	}
	defer SafeClose(srcFile)
	gzReader, err := gzip.NewReader(srcFile)
	if err != nil {
		return fmt.Errorf("create gzip reader: %w", err)
	}
	defer SafeClose(gzReader)
	destFile, err := os.Create(destPath)
	if err != nil {
		return fmt.Errorf("create destination file: %w", err)
	}
	defer SafeClose(destFile)
	if _, err := io.Copy(destFile, gzReader); err != nil {
		return fmt.Errorf("unzip copy error: %w", err)
	}
	fmt.Printf("Unzipped logs to %s\n", destPath)
	return nil
}
func main() {
	ctx := context.Background()
	// Create an Atlas client authenticated using OAuth2 with service account credentials
	client, _, config, err := auth.CreateAtlasClient()
	if err != nil {
		log.Fatalf("Failed to create Atlas client: %v", err)
	}
	params := &admin.GetHostLogsApiParams{
		GroupId:  config.ProjectID,
		HostName: config.HostName,
		LogName:  "mongodb",       // The type of log to get ("mongodb" or "mongos")
	}
	logFileName, err := getHostLogs(ctx, *client, params)
	if err != nil {
		log.Fatalf("Failed to download logs: %v", err)
	}
	plainTextLog := strings.TrimSuffix(logFileName, ".gz") + ".log"
	if err := unzipGzFile(logFileName, plainTextLog); err != nil {
		log.Fatalf("Failed to unzip log file: %v", err)
	}
}

// See entire project at https://github.com/mongodb/atlas-architecture-go-sdk
package main
import (
	"atlas-sdk-go/internal/auth"
	"context"
	"encoding/json"
	"fmt"
	"log"
	"go.mongodb.org/atlas-sdk/v20250219001/admin"
)
// getProcessMetrics fetches metrics for a specified host process in a project and prints results to the console
func getProcessMetrics(ctx context.Context, atlasClient admin.APIClient, params *admin.GetHostMeasurementsApiParams) (*admin.ApiMeasurementsGeneralViewAtlas, error) {
	fmt.Printf("Fetching metrics for host process %s in project %s", params.ProcessId, params.GroupId)
	resp, _, err := atlasClient.MonitoringAndLogsApi.GetHostMeasurementsWithParams(ctx, params).Execute()
	if err != nil {
		if apiError, ok := admin.AsError(err); ok {
			return nil, fmt.Errorf("failed to get metrics for process in host: %s (API error: %v)", err, apiError.GetDetail())
		}
		return nil, fmt.Errorf("failed to get metrics: %w", err)
	}
	if resp == nil || resp.HasMeasurements() == false {
		return nil, fmt.Errorf("no metrics found for host process %s in project %s", params.ProcessId, params.GroupId)
	}
	jsonData, err := json.MarshalIndent(resp, "", "  ")
	if err != nil {
		return nil, fmt.Errorf("failed to marshal response: %w", err)
	}
	fmt.Println(string(jsonData))
	return resp, nil
}
func main() {
	ctx := context.Background()
	// Create an Atlas client authenticated using OAuth2 with service account credentials
	atlasClient, _, config, err := auth.CreateAtlasClient()
	if err != nil {
		log.Fatalf("Failed to create Atlas client: %v", err)
	}
	// Fetch process metrics using the following parameters:
	processMetricGranularity := admin.PtrString("PT1H")
	processMetricPeriod := admin.PtrString("P7D")
	processMetrics := []string{
		"OPCOUNTER_DELETE", "OPCOUNTER_INSERT", "OPCOUNTER_QUERY", "OPCOUNTER_UPDATE",
		"CONNECTIONS", "QUERY_TARGETING_SCANNED_OBJECTS_PER_RETURNED",
		"QUERY_TARGETING_SCANNED_PER_RETURNED", "SYSTEM_CPU_GUEST", "SYSTEM_CPU_IOWAIT",
		"SYSTEM_CPU_IRQ", "SYSTEM_CPU_KERNEL", "SYSTEM_CPU_NICE", "SYSTEM_CPU_SOFTIRQ",
		"SYSTEM_CPU_STEAL", "SYSTEM_CPU_USER", "GLOBAL_LOCK_CURRENT_QUEUE_TOTAL",
		"GLOBAL_LOCK_CURRENT_QUEUE_READERS", "GLOBAL_LOCK_CURRENT_QUEUE_WRITERS",
	}
	hostMeasurementsParams := &admin.GetHostMeasurementsApiParams{
		GroupId:     config.ProjectID,
		ProcessId:   config.ProcessID,
		M:           &processMetrics,
		Granularity: processMetricGranularity,
		Period:      processMetricPeriod,
	}
	_, err = getProcessMetrics(ctx, *atlasClient, hostMeasurementsParams)
	if err != nil {
		fmt.Printf("Error fetching host process metrics: %v", err)
	}
}

// See entire project at https://github.com/mongodb/atlas-architecture-go-sdk
package main
import (
	"atlas-sdk-go/internal/auth"
	"compress/gzip"
	"context"
	"fmt"
	"io"
	"log"
	"os"
	"strings"
	"go.mongodb.org/atlas-sdk/v20250219001/admin"
)
func SafeClose(c io.Closer) {
	if c != nil {
		if err := c.Close(); err != nil {
			log.Printf("Warning: failed to close resource: %v", err)
		}
	}
}
// getHostLogs downloads a compressed .gz file that contains the MongoDB logs for
// the specified host in your project.
func getHostLogs(ctx context.Context, atlasClient admin.APIClient, params *admin.GetHostLogsApiParams) (string, error) {
	logFileName := fmt.Sprintf("logs_%s_%s.gz", params.GroupId, params.HostName)
	fmt.Printf("Fetching %s log for host %s in project %s\n", params.LogName, params.HostName, params.GroupId)
	if err := downloadLogs(ctx, atlasClient, params, logFileName); err != nil {
		return "", err
	}
	fmt.Printf("Logs saved to %s\n", logFileName)
	return logFileName, nil
}
func downloadLogs(ctx context.Context, atlasClient admin.APIClient, params *admin.GetHostLogsApiParams, filePath string) error {
	resp, _, err := atlasClient.MonitoringAndLogsApi.GetHostLogsWithParams(ctx, params).Execute()
	if err != nil {
		return fmt.Errorf("fetch logs: %w", err)
	}
	defer SafeClose(resp)
	file, err := os.Create(filePath)
	if err != nil {
		return fmt.Errorf("create %q: %w", filePath, err)
	}
	defer SafeClose(file)
	if _, err := io.Copy(file, resp); err != nil {
		return fmt.Errorf("write to %q: %w", filePath, err)
	}
	return nil
}
func unzipGzFile(srcPath, destPath string) error {
	srcFile, err := os.Open(srcPath)
	if err != nil {
		return fmt.Errorf("open gz file: %w", err)
	}
	defer SafeClose(srcFile)
	gzReader, err := gzip.NewReader(srcFile)
	if err != nil {
		return fmt.Errorf("create gzip reader: %w", err)
	}
	defer SafeClose(gzReader)
	destFile, err := os.Create(destPath)
	if err != nil {
		return fmt.Errorf("create destination file: %w", err)
	}
	defer SafeClose(destFile)
	if _, err := io.Copy(destFile, gzReader); err != nil {
		return fmt.Errorf("unzip copy error: %w", err)
	}
	fmt.Printf("Unzipped logs to %s\n", destPath)
	return nil
}
func main() {
	ctx := context.Background()
	// Create an Atlas client authenticated using OAuth2 with service account credentials
	client, _, config, err := auth.CreateAtlasClient()
	if err != nil {
		log.Fatalf("Failed to create Atlas client: %v", err)
	}
	params := &admin.GetHostLogsApiParams{
		GroupId:  config.ProjectID,
		HostName: config.HostName,
		LogName:  "mongodb",       // The type of log to get ("mongodb" or "mongos")
	}
	logFileName, err := getHostLogs(ctx, *client, params)
	if err != nil {
		log.Fatalf("Failed to download logs: %v", err)
	}
	plainTextLog := strings.TrimSuffix(logFileName, ".gz") + ".log"
	if err := unzipGzFile(logFileName, plainTextLog); err != nil {
		log.Fatalf("Failed to unzip log file: %v", err)
	}
}