122 lines
2.8 KiB
Go
122 lines
2.8 KiB
Go
package config
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import (
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"fmt"
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"github.com/jessevdk/go-flags"
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"github.com/sqshq/sampler/console"
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"gopkg.in/yaml.v2"
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"io/ioutil"
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"log"
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"os"
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)
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type Config struct {
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Theme *console.Theme `yaml:"theme,omitempty"`
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Variables map[string]string `yaml:"variables,omitempty"`
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RunCharts []RunChartConfig `yaml:"runcharts,omitempty"`
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BarCharts []BarChartConfig `yaml:"barcharts,omitempty"`
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Gauges []GaugeConfig `yaml:"gauges,omitempty"`
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SparkLines []SparkLineConfig `yaml:"sparklines,omitempty"`
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TextBoxes []TextBoxConfig `yaml:"textboxes,omitempty"`
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AsciiBoxes []AsciiBoxConfig `yaml:"asciiboxes,omitempty"`
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}
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func Load() (Config, Options) {
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var opt Options
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_, err := flags.Parse(&opt)
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if err != nil {
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os.Exit(0)
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}
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cfg := readFile(opt.ConfigFile)
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cfg.validate()
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cfg.setDefaults()
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return *cfg, opt
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}
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func Update(settings []ComponentSettings, options Options) {
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cfg := readFile(options.ConfigFile)
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for _, s := range settings {
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componentConfig := cfg.findComponent(s.Type, s.Title)
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componentConfig.Position = getPosition(s.Location, s.Size)
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}
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saveFile(cfg, options.ConfigFile)
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}
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func (c *Config) findComponent(componentType ComponentType, componentTitle string) *ComponentConfig {
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switch componentType {
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case TypeRunChart:
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for i, component := range c.RunCharts {
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if component.Title == componentTitle {
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return &c.RunCharts[i].ComponentConfig
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}
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}
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case TypeBarChart:
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for i, component := range c.BarCharts {
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if component.Title == componentTitle {
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return &c.BarCharts[i].ComponentConfig
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}
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}
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case TypeGauge:
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for i, component := range c.Gauges {
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if component.Title == componentTitle {
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return &c.Gauges[i].ComponentConfig
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}
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}
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case TypeSparkLine:
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for i, component := range c.SparkLines {
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if component.Title == componentTitle {
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return &c.SparkLines[i].ComponentConfig
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}
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}
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case TypeAsciiBox:
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for i, component := range c.AsciiBoxes {
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if component.Title == componentTitle {
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return &c.AsciiBoxes[i].ComponentConfig
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}
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}
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case TypeTextBox:
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for i, component := range c.TextBoxes {
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if component.Title == componentTitle {
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return &c.TextBoxes[i].ComponentConfig
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}
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}
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}
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panic(fmt.Sprintf(
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"Can't find component type %v with title %v", componentType, componentTitle))
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}
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func readFile(location string) *Config {
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yamlFile, err := ioutil.ReadFile(location)
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if err != nil {
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log.Fatalf("Can't read config file: %s", location)
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}
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cfg := new(Config)
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err = yaml.Unmarshal(yamlFile, cfg)
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if err != nil {
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log.Fatalf("Can't read config file: %v", err)
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}
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return cfg
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}
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func saveFile(config *Config, fileName string) {
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file, err := yaml.Marshal(config)
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if err != nil {
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log.Fatalf("Can't marshal config file: %v", err)
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}
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err = ioutil.WriteFile(fileName, file, 0644)
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if err != nil {
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log.Fatalf("Can't save config file: %v", err)
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}
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}
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