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woodpecker/shared/addon/addon.go
qwerty287 d815b20c54
Remove env argument of addons (#3100)
This argument is pretty useless, so let's remove it and let addons get
their config on their own.

Note that this is a breaking change, but as [per
docs](https://woodpecker-ci.org/docs/next/administration/addons/overview)
the addon implementation can change at any time.
2024-01-02 19:54:34 +01:00

63 lines
1.2 KiB
Go

package addon
import (
"errors"
"plugin"
"github.com/rs/zerolog"
"github.com/rs/zerolog/log"
"go.woodpecker-ci.org/woodpecker/v2/shared/addon/types"
)
var pluginCache = map[string]*plugin.Plugin{}
type Addon[T any] struct {
Type types.Type
Value T
}
func Load[T any](files []string, t types.Type) (*Addon[T], error) {
for _, file := range files {
if _, has := pluginCache[file]; !has {
p, err := plugin.Open(file)
if err != nil {
return nil, err
}
pluginCache[file] = p
}
typeLookup, err := pluginCache[file].Lookup("Type")
if err != nil {
return nil, err
}
if addonType, is := typeLookup.(*types.Type); !is {
return nil, errors.New("addon type is incorrect")
} else if *addonType != t {
continue
}
mainLookup, err := pluginCache[file].Lookup("Addon")
if err != nil {
return nil, err
}
main, is := mainLookup.(func(zerolog.Logger) (T, error))
if !is {
return nil, errors.New("addon main function has incorrect type")
}
logger := log.Logger.With().Str("addon", file).Logger()
mainOut, err := main(logger)
if err != nil {
return nil, err
}
return &Addon[T]{
Type: t,
Value: mainOut,
}, nil
}
return nil, nil
}