fixup! New release.

Includes the panic when cache is completely disabled.

cache/cache.go

@@ -76,6 +76,10 @@ func EnableCache(cfg *CacheConfig) {
 }
 
 func CacheLookup(hash string) []byte {
+	if !IsCacheInitialized() {
+		return nil
+	}
+
 	obj, found := config.Client.Get(hash)
 	if found {
 		atomic.AddInt64(&cacheStats.CacheHits, 1)
@@ -108,6 +112,9 @@ func CacheLookup(hash string) []byte {
 }
 
 func CacheDelete(hash string) {
+	if !IsCacheInitialized() {
+		return
+	}
 	config.Logger.Debug(&libpack_logger.LogMessage{
 		Message: "Deleting data from cache",
 		Pairs:   map[string]interface{}{"hash": hash},
@@ -117,6 +124,12 @@ func CacheDelete(hash string) {
 }
 
 func CacheStore(hash string, data []byte) {
+	if !IsCacheInitialized() {
+		config.Logger.Debug(&libpack_logger.LogMessage{
+			Message: "Cache not initialized",
+		})
+		return
+	}
 	config.Logger.Debug(&libpack_logger.LogMessage{
 		Message: "Storing data in cache",
 		Pairs:   map[string]interface{}{"hash": hash},
@@ -126,6 +139,9 @@ func CacheStore(hash string, data []byte) {
 }
 
 func CacheStoreWithTTL(hash string, data []byte, ttl time.Duration) {
+	if !IsCacheInitialized() {
+		return
+	}
 	config.Logger.Debug(&libpack_logger.LogMessage{
 		Message: "Storing data in cache with TTL",
 		Pairs:   map[string]interface{}{"hash": hash, "ttl": ttl},
@@ -135,6 +151,9 @@ func CacheStoreWithTTL(hash string, data []byte, ttl time.Duration) {
 }
 
 func CacheGetQueries() int64 {
+	if !IsCacheInitialized() {
+		return 0
+	}
 	config.Logger.Debug(&libpack_logger.LogMessage{
 		Message: "Counting cache queries",
 	})
@@ -147,6 +166,9 @@ func CacheClear() {
 }
 
 func GetCacheStats() *CacheStats {
+	if !IsCacheInitialized() {
+		return &CacheStats{}
+	}
 	config.Logger.Debug(&libpack_logger.LogMessage{
 		Message: "Getting cache stats",
 	})
@@ -157,3 +179,7 @@ func GetCacheStats() *CacheStats {
 func ShouldUseRedisCache(cfg *CacheConfig) bool {
 	return cfg.Redis.Enable
 }
+
+func IsCacheInitialized() bool {
+	return config != nil && config.Client != nil
+}

main.go

@@ -57,6 +57,7 @@ func parseConfig() {
 	c.Cache.CacheRedisURL = getDetailsFromEnv("CACHE_REDIS_URL", "localhost:6379")
 	c.Cache.CacheRedisPassword = getDetailsFromEnv("CACHE_REDIS_PASSWORD", "")
 	c.Cache.CacheRedisDB = getDetailsFromEnv("CACHE_REDIS_DB", 0)
+	/* security */
 	c.Security.BlockIntrospection = getDetailsFromEnv("BLOCK_SCHEMA_INTROSPECTION", false)
 	c.Security.IntrospectionAllowed = func() []string {
 		urls := getDetailsFromEnv("ALLOWED_INTROSPECTION", "")
@@ -105,6 +106,7 @@ func parseConfig() {
 		}
 		libpack_cache.EnableCache(cacheConfig)
 	}
+
 	loadRatelimitConfig()
 	once.Do(func() {
 		go enableApi()