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Developing a Plugin-Based Architecture for Microservices in Go

Tutorial December 10, 2024
go 

package main

import (
    "fmt"
    "plugin"
)

func LoadPlugin(pluginPath string) (Processor, error) {
    p, err := plugin.Open(pluginPath)
    if err != nil {
        return nil, fmt.Errorf("failed to open plugin: %w", err)
    }

    sym, err := p.Lookup("ProcessorImpl")
    if err != nil {
        return nil, fmt.Errorf("failed to find symbol: %w", err)
    }

    processor, ok := sym.(Processor)
    if !ok {
        return nil, fmt.Errorf("unexpected type from module symbol")
    }

    return processor, nil
}

Use the loader in main/main.go:

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