Add CLI arguments to config file

The log level can now be set with `log_level` (accepts ints and strings).
The log file can now be set with `output` (also accepts `STDOUT`).

src/invidious.cr

@@ -107,8 +107,6 @@ LOCALES = {
 YT_POOL = QUICPool.new(YT_URL, capacity: CONFIG.pool_size, timeout: 2.0)
 
 config = CONFIG
-output = STDOUT
-loglvl = LogLevel::Debug
 
 Kemal.config.extra_options do |parser|
   parser.banner = "Usage: invidious [arguments]"
@@ -128,12 +126,11 @@ Kemal.config.extra_options do |parser|
       exit
     end
   end
-  parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: STDOUT)") do |output_arg|
-    FileUtils.mkdir_p(File.dirname(output_arg))
-    output = File.open(output_arg, mode: "a")
+  parser.on("-o OUTPUT", "--output=OUTPUT", "Redirect output (default: #{config.output})") do |output|
+    config.output = output
   end
-  parser.on("-l LEVEL", "--log-level=LEVEL", "Log level, one of #{LogLevel.values} (default: #{loglvl})") do |loglvl_arg|
-    loglvl = LogLevel.parse(loglvl_arg)
+  parser.on("-l LEVEL", "--log-level=LEVEL", "Log level, one of #{LogLevel.values} (default: #{config.log_level})") do |log_level|
+    config.log_level = LogLevel.parse(log_level)
   end
   parser.on("-v", "--version", "Print version") do
     puts SOFTWARE.to_pretty_json
@@ -143,7 +140,14 @@ end
 
 Kemal::CLI.new ARGV
 
-logger = Invidious::LogHandler.new(output, loglvl)
+if config.output.upcase == "STDOUT"
+  output = STDOUT
+else
+  FileUtils.mkdir_p(File.dirname(config.output))
+  output = File.open(config.output, mode: "a")
+end
+
+logger = Invidious::LogHandler.new(output, config.log_level)
 
 # Check table integrity
 if CONFIG.check_tables

src/invidious/helpers/helpers.cr

@@ -64,11 +64,13 @@ end
 class Config
   include YAML::Serializable
 
-  property channel_threads : Int32                 # Number of threads to use for crawling videos from channels (for updating subscriptions)
-  property feed_threads : Int32                    # Number of threads to use for updating feeds
+  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 db : DBConfig                           # Database configuration
   property decrypt_polling : Bool = true           # Use polling to keep decryption function up to date
-  property full_refresh : Bool                     # Used for crawling channels: threads should check all videos uploaded by a channel
+  property full_refresh : Bool = false             # Used for crawling channels: threads should check all videos uploaded by a channel
   property https_only : Bool?                      # Used to tell Invidious it is behind a proxy, so links to resources should be https://
   property hmac_key : String?                      # HMAC signing key for CSRF tokens and verifying pubsub subscriptions
   property domain : String?                        # Domain to be used for links to resources on the site where an absolute URL is required

src/invidious/helpers/logger.cr

@@ -1,14 +1,14 @@
 require "logger"
 
 enum LogLevel
-  All
-  Trace
-  Debug
-  Info
-  Warn
-  Error
-  Fatal
-  Off
+  All   = 0
+  Trace = 1
+  Debug = 2
+  Info  = 3
+  Warn  = 4
+  Error = 5
+  Fatal = 6
+  Off   = 7
 end
 
 class Invidious::LogHandler < Kemal::BaseLogHandler