kubernetes-sigs/kustomize
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One plugin per dir.

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This commit is contained in:
jregan
2019-05-19 12:00:07 -07:00
parent 31534fe47d
commit 5653ae69e4
42 changed files with 612 additions and 626 deletions
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36
pkg/plugins/loader.go
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@@ -20,6 +20,7 @@ import (
"fmt"
"path/filepath"
"plugin"
"strings"
"github.com/pkg/errors"
"sigs.k8s.io/kustomize/pkg/ifc"
@@ -96,8 +97,20 @@ func (l *Loader) LoadTransformer(
return t, nil
}
func pluginPath(id resid.ResId) string {
return filepath.Join(id.Gvk().Group, id.Gvk().Version, id.Gvk().Kind)
func relativePluginPath(id resid.ResId) string {
return filepath.Join(
id.Gvk().Group,
id.Gvk().Version,
strings.ToLower(id.Gvk().Kind))
}
func AbsolutePluginPath(pc *types.PluginConfig, id resid.ResId) string {
return filepath.Join(
pc.DirectoryPath, relativePluginPath(id), id.Gvk().Kind)
}
func (l *Loader) absolutePluginPath(id resid.ResId) string {
return AbsolutePluginPath(l.pc, id)
}
func (l *Loader) loadAndConfigurePlugin(
@@ -106,7 +119,8 @@ func (l *Loader) loadAndConfigurePlugin(
return nil, errors.Errorf(
"plugins not enabled, but trying to load %s", res.Id())
}
if p := NewExecPlugin(l.pc.DirectoryPath, res.Id()); p.isAvailable() {
if p := NewExecPlugin(
l.absolutePluginPath(res.Id())); p.isAvailable() {
c = p
} else {
c, err = l.loadGoPlugin(res.Id())
@@ -135,26 +149,26 @@ func (l *Loader) loadAndConfigurePlugin(
var registry = make(map[string]Configurable)
func (l *Loader) loadGoPlugin(id resid.ResId) (c Configurable, err error) {
regId := relativePluginPath(id)
var ok bool
path := pluginPath(id)
if c, ok = registry[path]; ok {
if c, ok = registry[regId]; ok {
return c, nil
}
name := filepath.Join(l.pc.DirectoryPath, path)
p, err := plugin.Open(name + ".so")
absPath := l.absolutePluginPath(id)
p, err := plugin.Open(absPath + ".so")
if err != nil {
return nil, errors.Wrapf(err, "plugin %s fails to load", name)
return nil, errors.Wrapf(err, "plugin %s fails to load", absPath)
}
symbol, err := p.Lookup(PluginSymbol)
if err != nil {
return nil, errors.Wrapf(
err, "plugin %s doesn't have symbol %s",
name, PluginSymbol)
regId, PluginSymbol)
}
c, ok = symbol.(Configurable)
if !ok {
return nil, fmt.Errorf("plugin %s not configurable", name)
return nil, fmt.Errorf("plugin %s not configurable", regId)
}
registry[path] = c
registry[regId] = c
return
}