112 lines
2.4 KiB
Go
112 lines
2.4 KiB
Go
package config
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import (
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"fmt"
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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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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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AsciiBoxes []AsciiBoxConfig `yaml:"asciiboxes,omitempty"`
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}
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type Flags struct {
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ConfigFileName string
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Variables map[string]string
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}
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func Load() (Config, Flags) {
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//if len(os.Args) < 2 {
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// println("Please specify config file location. See www.github.com/sqshq/sampler for the reference")
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// os.Exit(0)
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//}
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cfg := readFile("config.yml")
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cfg.validate()
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cfg.setDefaults()
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flg := Flags{ConfigFileName: "config.yml"}
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return *cfg, flg
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}
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func Update(settings []ComponentSettings) {
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cfg := readFile(os.Args[1])
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for _, s := range settings {
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componentConfig := cfg.findComponent(s.Type, s.Title)
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componentConfig.Size = s.Size
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componentConfig.Position = s.Position
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}
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saveFile(cfg)
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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 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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}
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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) {
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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(os.Args[1], 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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