mirror of
https://github.com/ClickHouse/ClickHouse.git
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67 lines
2.0 KiB
Go
67 lines
2.0 KiB
Go
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package outputs
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import (
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"fmt"
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"github.com/ClickHouse/clickhouse-diagnostics/internal/platform/config"
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"github.com/ClickHouse/clickhouse-diagnostics/internal/platform/data"
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"github.com/pkg/errors"
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"github.com/rs/zerolog/log"
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)
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type Output interface {
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Write(id string, bundles map[string]*data.DiagnosticBundle, config config.Configuration) (data.FrameErrors, error)
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Configuration() config.Configuration
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Description() string
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// TODO: we will need to implement this for the convert function
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//Read(config config.Configuration) (data.DiagnosticBundle, error)
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}
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// Register can be called from init() on an output in this package
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// It will automatically be added to the Outputs map to be called externally
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func Register(name string, output OutputFactory) {
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// names must be unique
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if _, ok := Outputs[name]; ok {
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log.Error().Msgf("More than 1 output is trying to register under the name %s. Names must be unique.", name)
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}
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Outputs[name] = output
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}
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// OutputFactory lets us use a closure to get instances of the output struct
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type OutputFactory func() (Output, error)
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var Outputs = map[string]OutputFactory{}
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func GetOutputNames() []string {
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outputs := make([]string, len(Outputs))
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i := 0
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for k := range Outputs {
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outputs[i] = k
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i++
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}
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return outputs
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}
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func GetOutputByName(name string) (Output, error) {
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if outputFactory, ok := Outputs[name]; ok {
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//do something here
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output, err := outputFactory()
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if err != nil {
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return nil, errors.Wrapf(err, "output %s could not be initialized", name)
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}
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return output, nil
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}
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return nil, fmt.Errorf("%s is not a valid output name", name)
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}
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func BuildConfigurationOptions() (map[string]config.Configuration, error) {
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configurations := make(map[string]config.Configuration)
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for name, collectorFactory := range Outputs {
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output, err := collectorFactory()
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if err != nil {
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return nil, errors.Wrapf(err, "output %s could not be initialized", name)
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}
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configurations[name] = output.Configuration()
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}
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return configurations, nil
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}
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