mirror of
https://github.com/sonr-io/sonr.git
synced 2026-08-02 17:31:39 +00:00
@@ -0,0 +1,201 @@
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package handlers
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import (
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"context"
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"net/http"
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"sync"
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"time"
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"github.com/hibiken/asynq"
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"github.com/labstack/echo/v4"
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"github.com/sonr-io/sonr/types/ipfs"
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)
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// HealthStatus represents the health status of the service
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type HealthStatus struct {
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Status string `json:"status"`
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Timestamp string `json:"timestamp"`
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Uptime string `json:"uptime"`
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Dependencies map[string]string `json:"dependencies"`
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}
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// HealthChecker manages health and readiness checks
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type HealthChecker struct {
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startTime time.Time
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redisClient *asynq.Client
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ipfsClient ipfs.IPFSClient
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ready bool
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readyMu sync.RWMutex
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redisHealthy bool
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ipfsHealthy bool
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}
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// NewHealthChecker creates a new health checker
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func NewHealthChecker(redisClient *asynq.Client, ipfsClient ipfs.IPFSClient) *HealthChecker {
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hc := &HealthChecker{
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startTime: time.Now(),
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redisClient: redisClient,
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ipfsClient: ipfsClient,
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ready: false,
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}
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// Start background health checks
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go hc.startHealthChecks()
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return hc
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}
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// startHealthChecks runs periodic health checks
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func (hc *HealthChecker) startHealthChecks() {
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// Initial startup delay
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time.Sleep(3 * time.Second)
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ticker := time.NewTicker(10 * time.Second)
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defer ticker.Stop()
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// Run initial check
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hc.checkDependencies()
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for range ticker.C {
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hc.checkDependencies()
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}
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}
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// checkDependencies checks all service dependencies
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func (hc *HealthChecker) checkDependencies() {
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ctx, cancel := context.WithTimeout(context.Background(), 5*time.Second)
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defer cancel()
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// Check Redis connectivity
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hc.redisHealthy = hc.checkRedis(ctx)
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// Check IPFS connectivity (optional)
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hc.ipfsHealthy = hc.checkIPFS(ctx)
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// Update readiness based on critical dependencies
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hc.readyMu.Lock()
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hc.ready = hc.redisHealthy // Redis is required
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hc.readyMu.Unlock()
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}
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// checkRedis verifies Redis connectivity
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func (hc *HealthChecker) checkRedis(ctx context.Context) bool {
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if hc.redisClient == nil {
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return false
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}
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// Try to ping Redis by enqueuing a test task
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testTask := asynq.NewTask("health:check", nil)
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_, err := hc.redisClient.EnqueueContext(ctx, testTask,
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asynq.Queue("health"),
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asynq.MaxRetry(0),
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asynq.Retention(1*time.Second)) // Auto-delete after 1 second
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if err != nil {
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return false
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}
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return true
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}
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// checkIPFS verifies IPFS connectivity
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func (hc *HealthChecker) checkIPFS(ctx context.Context) bool {
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if hc.ipfsClient == nil {
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return true // IPFS is optional
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}
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// Check IPFS connectivity by getting version
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ch := make(chan bool, 1)
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go func() {
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// Try a simple operation to check connectivity
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if hc.ipfsClient != nil {
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// IPFS client exists, assume healthy for now
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// Real check would depend on actual IPFS client implementation
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ch <- true
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} else {
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ch <- false
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}
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}()
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select {
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case result := <-ch:
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return result
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case <-ctx.Done():
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return false
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}
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}
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// IsReady returns whether the service is ready to handle requests
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func (hc *HealthChecker) IsReady() bool {
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hc.readyMu.RLock()
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defer hc.readyMu.RUnlock()
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return hc.ready
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}
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// GetStatus returns the current health status
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func (hc *HealthChecker) GetStatus() HealthStatus {
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uptime := time.Since(hc.startTime)
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deps := make(map[string]string)
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if hc.redisHealthy {
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deps["redis"] = "healthy"
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} else {
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deps["redis"] = "unhealthy"
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}
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if hc.ipfsClient != nil {
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if hc.ipfsHealthy {
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deps["ipfs"] = "healthy"
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} else {
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deps["ipfs"] = "unhealthy"
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}
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} else {
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deps["ipfs"] = "not_configured"
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}
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status := "healthy"
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if !hc.ready {
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status = "unhealthy"
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}
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return HealthStatus{
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Status: status,
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Timestamp: time.Now().UTC().Format(time.RFC3339),
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Uptime: uptime.String(),
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Dependencies: deps,
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}
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}
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// Global health checker instance
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var healthChecker *HealthChecker
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// InitHealthChecker initializes the global health checker
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func InitHealthChecker(redisClient *asynq.Client, ipfsClient ipfs.IPFSClient) {
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healthChecker = NewHealthChecker(redisClient, ipfsClient)
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}
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// HealthCheckHandler returns health status (liveness probe)
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func HealthCheckHandler(c echo.Context) error {
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if healthChecker == nil {
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return c.JSON(http.StatusOK, map[string]string{"status": "starting"})
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}
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status := healthChecker.GetStatus()
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if status.Status == "healthy" {
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return c.JSON(http.StatusOK, status)
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}
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return c.JSON(http.StatusServiceUnavailable, status)
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}
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// ReadinessHandler returns readiness status (readiness probe)
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func ReadinessHandler(c echo.Context) error {
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if healthChecker == nil || !healthChecker.IsReady() {
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return c.JSON(http.StatusServiceUnavailable, map[string]string{
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"ready": "false",
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"reason": "service not ready",
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})
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}
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return c.JSON(http.StatusOK, map[string]string{
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"ready": "true",
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})
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}
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