65 lines
1.9 KiB
Go
65 lines
1.9 KiB
Go
// Fantasy World Zookeeper Bot
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// Copyright (c) 2018 Vladimir "fat0troll" Hodakov
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package context
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import (
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"fmt"
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"github.com/rs/zerolog"
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"gopkg.in/yaml.v2"
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"io/ioutil"
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"lab.wtfteam.pro/fat0troll/fw_zookeeper_helper/internal/config"
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"os"
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"path/filepath"
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"runtime"
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)
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// getMemoryUsage returns memory usage for logger.
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func (c *Context) getMemoryUsage(e *zerolog.Event, level zerolog.Level, message string) {
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var m runtime.MemStats
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runtime.ReadMemStats(&m)
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e.Str("memalloc", fmt.Sprintf("%dMB", m.Alloc/1024/1024))
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e.Str("memsys", fmt.Sprintf("%dMB", m.Sys/1024/1024))
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e.Str("numgc", fmt.Sprintf("%d", m.NumGC))
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}
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// Init is an initialization function for core context
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// Without these parts of the application we can't start at all
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func (c *Context) Init() {
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c.Logger = zerolog.New(zerolog.ConsoleWriter{Out: os.Stdout}).With().Timestamp().Logger()
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c.Logger = c.Logger.Hook(zerolog.HookFunc(c.getMemoryUsage))
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c.Logger.Info().Msgf("fw_zookeeper_helper v. %s is starting...", VERSION)
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}
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// InitConfiguration reads configuration from YAML and parses it in
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// config.Struct.
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func (c *Context) InitConfiguration() bool {
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c.Logger.Info().Msg("Loading configuration files...")
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configPath := os.Getenv("BOT_CONFIG")
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if configPath == "" {
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configPath = "./example/fw_zookeeper_helper.yaml"
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}
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normalizedConfigPath, _ := filepath.Abs(configPath)
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c.Logger.Debug().Msgf("Configuration file path: %s", normalizedConfigPath)
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// Read configuration file into []byte.
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fileData, err := ioutil.ReadFile(normalizedConfigPath)
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if err != nil {
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c.Logger.Fatal().Err(err).Msg("Failed to read configuration file")
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return false
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}
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c.Config = &config.Struct{}
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err = yaml.Unmarshal(fileData, c.Config)
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if err != nil {
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c.Logger.Error().Err(err).Msg("Failed to parse configuration file")
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return false
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}
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c.Logger.Info().Msg("Configuration file parsed successfully")
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return true
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}
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