trigger implementation
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parent
0de4d07a02
commit
9b22083af8
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@ -1,7 +1,6 @@
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package asset
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package asset
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import (
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import (
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"fmt"
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"github.com/hajimehoshi/go-mp3"
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"github.com/hajimehoshi/go-mp3"
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"github.com/hajimehoshi/oto"
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"github.com/hajimehoshi/oto"
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"io"
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"io"
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@ -31,7 +30,5 @@ func Beep() error {
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return err
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return err
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}
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}
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fmt.Print("\a")
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return nil
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return nil
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}
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}
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@ -2,6 +2,7 @@ package runchart
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import (
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import (
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"fmt"
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"fmt"
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"github.com/sqshq/sampler/component/trigger"
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"github.com/sqshq/sampler/console"
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"github.com/sqshq/sampler/console"
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"github.com/sqshq/sampler/data"
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"github.com/sqshq/sampler/data"
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"image"
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"image"
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@ -36,6 +37,7 @@ const (
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type RunChart struct {
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type RunChart struct {
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ui.Block
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ui.Block
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triggers []trigger.Trigger
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lines []TimeLine
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lines []TimeLine
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grid ChartGrid
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grid ChartGrid
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timescale time.Duration
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timescale time.Duration
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@ -0,0 +1,99 @@
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package trigger
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import (
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"fmt"
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"github.com/sqshq/sampler/asset"
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"github.com/sqshq/sampler/config"
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"os"
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"os/exec"
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)
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const (
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TrueIndicator = "1"
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BellCharacter = "\a"
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)
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type Trigger struct {
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title string
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condition string
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actions Actions
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data map[string]Data
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}
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type Actions struct {
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terminalBell bool
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sound bool
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visual bool
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script *string
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}
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type Data struct {
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previousValue interface{}
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currentValue interface{}
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}
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func NewTrigger(config config.TriggerConfig) Trigger {
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return Trigger{
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title: config.Title,
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condition: config.Condition,
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actions: Actions{
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terminalBell: *config.Actions.TerminalBell,
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sound: *config.Actions.Sound,
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visual: *config.Actions.Visual,
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script: config.Actions.Script,
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},
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}
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}
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func (t Trigger) execute(label string, value interface{}) {
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go func() {
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if data, ok := t.data[label]; ok {
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data.previousValue = data.currentValue
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data.currentValue = value
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} else {
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t.data[label] = Data{previousValue: nil, currentValue: value}
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}
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t.evaluate(label, t.data[label])
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}()
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}
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func (t Trigger) evaluate(label string, data Data) {
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output, err := runScript(t.condition, label, data)
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if err != nil {
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println(err) // TODO visual notification
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}
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if string(output) != TrueIndicator {
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return
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}
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if t.actions.terminalBell {
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fmt.Print(BellCharacter)
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}
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if t.actions.sound {
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_ = asset.Beep()
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}
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if t.actions.visual {
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// TODO visual notification
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}
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if t.actions.script != nil {
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_, _ = runScript(*t.actions.script, label, data)
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}
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}
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func runScript(script, label string, data Data) ([]byte, error) {
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cmd := exec.Command("sh", "-c", script)
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cmd.Env = os.Environ()
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cmd.Env = append(cmd.Env,
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fmt.Sprintf("prev=%v", data.previousValue),
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fmt.Sprintf("cur=%v", data.currentValue),
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fmt.Sprintf("label=%v", label))
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return cmd.Output()
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}
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@ -6,7 +6,6 @@ runcharts:
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size:
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size:
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w: 53
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w: 53
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h: 16
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h: 16
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scale: 3
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triggers:
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triggers:
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- title: PROCESSING STARTED # ${prev} ${cur} ${lavel} echo $(( 3 < 4 && 1 > 2 ))
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- title: PROCESSING STARTED # ${prev} ${cur} ${lavel} echo $(( 3 < 4 && 1 > 2 ))
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condition: ((${prev} == 0 && ${cur} > 0))
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condition: ((${prev} == 0 && ${cur} > 0))
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@ -11,6 +11,7 @@ type ComponentConfig struct {
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RefreshRateMs *int `yaml:"refresh-rate-ms,omitempty"`
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RefreshRateMs *int `yaml:"refresh-rate-ms,omitempty"`
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Position Position `yaml:"position"`
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Position Position `yaml:"position"`
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Size Size `yaml:"size"`
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Size Size `yaml:"size"`
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Triggers []TriggerConfig `yaml:"triggers,omitempty"`
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}
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}
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type TriggerConfig struct {
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type TriggerConfig struct {
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@ -28,7 +29,6 @@ type ActionsConfig struct {
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type GaugeConfig struct {
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type GaugeConfig struct {
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ComponentConfig `yaml:",inline"`
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ComponentConfig `yaml:",inline"`
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Triggers []TriggerConfig `yaml:"triggers"`
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Scale *int `yaml:"scale,omitempty"`
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Scale *int `yaml:"scale,omitempty"`
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Color *ui.Color `yaml:"color,omitempty"`
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Color *ui.Color `yaml:"color,omitempty"`
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Values map[string]string `yaml:"values"`
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Values map[string]string `yaml:"values"`
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@ -37,21 +37,18 @@ type GaugeConfig struct {
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type BarChartConfig struct {
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type BarChartConfig struct {
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ComponentConfig `yaml:",inline"`
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ComponentConfig `yaml:",inline"`
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Triggers []TriggerConfig `yaml:"triggers"`
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Scale *int `yaml:"scale,omitempty"`
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Scale *int `yaml:"scale,omitempty"`
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Items []data.Item `yaml:"items"`
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Items []data.Item `yaml:"items"`
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}
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}
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type AsciiBoxConfig struct {
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type AsciiBoxConfig struct {
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ComponentConfig `yaml:",inline"`
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ComponentConfig `yaml:",inline"`
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Triggers []TriggerConfig `yaml:"triggers"`
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data.Item `yaml:",inline"`
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data.Item `yaml:",inline"`
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Font *asciibox.AsciiFont `yaml:"font,omitempty"`
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Font *asciibox.AsciiFont `yaml:"font,omitempty"`
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}
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}
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type RunChartConfig struct {
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type RunChartConfig struct {
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ComponentConfig `yaml:",inline"`
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ComponentConfig `yaml:",inline"`
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Triggers []TriggerConfig `yaml:"triggers"`
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Legend *LegendConfig `yaml:"legend,omitempty"`
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Legend *LegendConfig `yaml:"legend,omitempty"`
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Scale *int `yaml:"scale,omitempty"`
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Scale *int `yaml:"scale,omitempty"`
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Items []data.Item `yaml:"items"`
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Items []data.Item `yaml:"items"`
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@ -24,16 +24,16 @@ type Flags struct {
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func Load() (Config, Flags) {
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func Load() (Config, Flags) {
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//if len(os.Args) < 2 {
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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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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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os.Exit(0)
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//}
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}
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cfg := readFile("config.yml")
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cfg := readFile(os.Args[1])
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cfg.validate()
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cfg.validate()
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cfg.setDefaults()
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cfg.setDefaults()
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flg := Flags{ConfigFileName: "config.yml"}
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flg := Flags{ConfigFileName: os.Args[1]}
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return *cfg, flg
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return *cfg, flg
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}
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}
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