Adjust log verbosity

The default log level has been changed from `debug` to `info`.
The `debug` log level is now more verbose. `debug` now gives a general overview
of what is happening (where implemented) while `trace` gives all available
details.

src/invidious/channels.cr

@@ -203,6 +203,7 @@ def get_channel(id, db, refresh = true, pull_all_videos = true)
 end
 
 def fetch_channel(ucid, db, pull_all_videos = true, locale = nil)
+  LOGGER.debug("fetch_channel: #{ucid}")
   LOGGER.trace("fetch_channel: #{ucid} : pull_all_videos = #{pull_all_videos}, locale = #{locale}")
 
   LOGGER.trace("fetch_channel: #{ucid} : Downloading RSS feed")

src/invidious/helpers/helpers.cr

@@ -67,7 +67,7 @@ class Config
   property channel_threads : Int32 = 1             # Number of threads to use for crawling videos from channels (for updating subscriptions)
   property feed_threads : Int32 = 1                # Number of threads to use for updating feeds
   property output : String = "STDOUT"              # Log file path or STDOUT
-  property log_level : LogLevel = LogLevel::Debug  # Default log level, valid YAML values are ints and strings, see src/invidious/helpers/logger.cr
+  property log_level : LogLevel = LogLevel::Info   # Default log level, valid YAML values are ints and strings, see src/invidious/helpers/logger.cr
   property db : DBConfig                           # Database configuration
   property decrypt_polling : Bool = true           # Use polling to keep decryption function up to date
   property full_refresh : Bool = false             # Used for crawling channels: threads should check all videos uploaded by a channel

src/invidious/jobs/refresh_channels_job.cr

@@ -26,7 +26,7 @@ class Invidious::Jobs::RefreshChannelsJob < Invidious::Jobs::BaseJob
             end
           end
 
-          LOGGER.trace("RefreshChannelsJob: #{id} : Spawning fiber")
+          LOGGER.debug("RefreshChannelsJob: #{id} : Spawning fiber")
           active_fibers += 1
           spawn do
             begin
@@ -52,7 +52,7 @@ class Invidious::Jobs::RefreshChannelsJob < Invidious::Jobs::BaseJob
                 end
               end
             ensure
-              LOGGER.trace("RefreshChannelsJob: #{id} fiber : Done")
+              LOGGER.debug("RefreshChannelsJob: #{id} fiber : Done")
               active_channel.send(true)
             end
           end