Fix RuboCop offenses

lib/vmpooler/api/helpers.rb

@@ -302,27 +302,29 @@ module Vmpooler
           # Use a single pipeline to fetch all queue counts at once for better performance
           results = backend.pipelined do |pipeline|
             # Order matters - we'll use indices to extract values
-            pools.each { |pool| pipeline.scard("vmpooler__provisioning__request#{pool['name']}") }  # 0..n-1
+            pools.each do |pool|
-            pools.each { |pool| pipeline.scard("vmpooler__provisioning__processing#{pool['name']}") } # n..2n-1
+              pipeline.scard("vmpooler__provisioning__request#{pool['name']}")    # 0..n-1
-            pools.each { |pool| pipeline.scard("vmpooler__odcreate__task#{pool['name']}") }         # 2n..3n-1
+              pipeline.scard("vmpooler__provisioning__processing#{pool['name']}") # n..2n-1
-            pools.each { |pool| pipeline.scard("vmpooler__pending__#{pool['name']}") }              # 3n..4n-1
+              pipeline.scard("vmpooler__odcreate__task#{pool['name']}")           # 2n..3n-1
-            pools.each { |pool| pipeline.scard("vmpooler__ready__#{pool['name']}") }                # 4n..5n-1
+              pipeline.scard("vmpooler__pending__#{pool['name']}")                # 3n..4n-1
-            pools.each { |pool| pipeline.scard("vmpooler__running__#{pool['name']}") }              # 5n..6n-1
+              pipeline.scard("vmpooler__ready__#{pool['name']}")                  # 4n..5n-1
-            pools.each { |pool| pipeline.scard("vmpooler__completed__#{pool['name']}") }            # 6n..7n-1
+              pipeline.scard("vmpooler__running__#{pool['name']}")                # 5n..6n-1
-            pipeline.get('vmpooler__tasks__clone')                                                   # 7n
+              pipeline.scard("vmpooler__completed__#{pool['name']}")              # 6n..7n-1
-            pipeline.get('vmpooler__tasks__ondemandclone')                                          # 7n+1
+            end
+            pipeline.get('vmpooler__tasks__clone')           # 7n
+            pipeline.get('vmpooler__tasks__ondemandclone')   # 7n+1
           end
 
           n = pools.length
           # Safely extract results with default to empty array if slice returns nil
           queue[:requested] = (results[0...n] || []).sum(&:to_i) +
-                             (results[n...(2*n)] || []).sum(&:to_i) + 
+                              (results[n...(2 * n)] || []).sum(&:to_i) +
-                             (results[(2*n)...(3*n)] || []).sum(&:to_i)
+                              (results[(2 * n)...(3 * n)] || []).sum(&:to_i)
-          queue[:pending]   = (results[(3*n)...(4*n)] || []).sum(&:to_i)
+          queue[:pending]   = (results[(3 * n)...(4 * n)] || []).sum(&:to_i)
-          queue[:ready]     = (results[(4*n)...(5*n)] || []).sum(&:to_i)
+          queue[:ready]     = (results[(4 * n)...(5 * n)] || []).sum(&:to_i)
-          queue[:running]   = (results[(5*n)...(6*n)] || []).sum(&:to_i)
+          queue[:running]   = (results[(5 * n)...(6 * n)] || []).sum(&:to_i)
-          queue[:completed] = (results[(6*n)...(7*n)] || []).sum(&:to_i)
+          queue[:completed] = (results[(6 * n)...(7 * n)] || []).sum(&:to_i)
-          queue[:cloning]   = (results[7*n] || 0).to_i + (results[7*n + 1] || 0).to_i
+          queue[:cloning]   = (results[7 * n] || 0).to_i + (results[7 * n + 1] || 0).to_i
           queue[:booting]   = queue[:pending].to_i - queue[:cloning].to_i
           queue[:booting]   = 0 if queue[:booting] < 0
           queue[:total]     = queue[:requested] + queue[:pending].to_i + queue[:ready].to_i + queue[:running].to_i + queue[:completed].to_i

lib/vmpooler/api/v3.rb

@@ -10,14 +10,21 @@ module Vmpooler
       api_prefix  = "/api/v#{api_version}"
 
       # Simple in-memory cache for status endpoint
-      @@status_cache = {}
+      @status_cache = {}
-      @@status_cache_mutex = Mutex.new
+      @status_cache_mutex = Mutex.new
       STATUS_CACHE_TTL = 30 # seconds
 
+      class << self
+        attr_accessor :status_cache, :status_cache_mutex
+      end
+
+      @status_cache ||= {}
+      @status_cache_mutex ||= Mutex.new
+
       # Clear cache (useful for testing)
       def self.clear_status_cache
-        @@status_cache_mutex.synchronize do
+        @status_cache_mutex.synchronize do
-          @@status_cache.clear
+          @status_cache.clear
         end
       end
 
@@ -478,18 +485,19 @@ module Vmpooler
 
       # Cache helper methods for status endpoint
       def get_cached_status(cache_key)
-        @@status_cache_mutex.synchronize do
+        self.class.status_cache_mutex.synchronize do
-          cached = @@status_cache[cache_key]
+          cached = self.class.status_cache[cache_key]
           if cached && (Time.now - cached[:timestamp]) < STATUS_CACHE_TTL
             return cached[:data]
           end
+
           nil
         end
       end
 
       def set_cached_status(cache_key, data)
-        @@status_cache_mutex.synchronize do
+        self.class.status_cache_mutex.synchronize do
-          @@status_cache[cache_key] = {
+          self.class.status_cache[cache_key] = {
             data: data,
             timestamp: Time.now
           }