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steps.go
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steps.go
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package discovery
import (
"context"
"slices"
"github.com/grafana/grafana/pkg/plugins"
"github.com/grafana/grafana/pkg/plugins/config"
"github.com/grafana/grafana/pkg/plugins/manager/loader/finder"
)
// DefaultFindFunc is the default function used for the Find step of the Discovery stage. It will scan the local
// filesystem for plugins.
func DefaultFindFunc(cfg *config.PluginManagementCfg) FindFunc {
return finder.NewLocalFinder(cfg.DevMode).Find
}
// PermittedPluginTypesFilter is a filter step that will filter out any plugins that are not of a permitted type.
type PermittedPluginTypesFilter struct {
permittedTypes []plugins.Type
}
// NewPermittedPluginTypesFilterStep returns a new FindFilterFunc for filtering out any plugins that are not of a
// permitted type. This includes both the primary plugin and any child plugins.
func NewPermittedPluginTypesFilterStep(permittedTypes []plugins.Type) FindFilterFunc {
f := &PermittedPluginTypesFilter{
permittedTypes: permittedTypes,
}
return f.Filter
}
// Filter will filter out any plugins that are not of a permitted type.
func (n *PermittedPluginTypesFilter) Filter(_ context.Context, _ plugins.Class, bundles []*plugins.FoundBundle) ([]*plugins.FoundBundle, error) {
var r []*plugins.FoundBundle
for _, b := range bundles {
if !slices.Contains(n.permittedTypes, b.Primary.JSONData.Type) {
continue
}
prohibitedType := false
for _, child := range b.Children {
if !slices.Contains(n.permittedTypes, child.JSONData.Type) {
prohibitedType = true
break
}
}
if !prohibitedType {
r = append(r, b)
}
}
return r, nil
}