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PoC to use kpt functions as kustomize plugins

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Closes [1]
In addition removes accidentally committed binary [2]

[1]
https://github.com/GoogleContainerTools/kpt/issues/646

[2]
1644fdd076 (diff-78873bc1f515e5cb644e68f0bcbaba23)
This commit is contained in:
Alexey Odinokov
2020-06-12 19:21:00 +00:00
parent 85e9fa94b0
commit 9bd4f78288
5 changed files with 336 additions and 3 deletions
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15
api/internal/plugins/loader/loader.go
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@@ -16,6 +16,7 @@ import (
"sigs.k8s.io/kustomize/api/ifc"
"sigs.k8s.io/kustomize/api/internal/plugins/builtinhelpers"
"sigs.k8s.io/kustomize/api/internal/plugins/execplugin"
"sigs.k8s.io/kustomize/api/internal/plugins/fnplugin"
"sigs.k8s.io/kustomize/api/internal/plugins/utils"
"sigs.k8s.io/kustomize/api/konfig"
"sigs.k8s.io/kustomize/api/resid"
@@ -116,7 +117,7 @@ func (l *Loader) loadAndConfigurePlugin(
if isBuiltinPlugin(res) {
switch l.pc.BpLoadingOptions {
case types.BploLoadFromFileSys:
c, err = l.loadPlugin(res.OrgId())
c, err = l.loadPlugin(res)
case types.BploUseStaticallyLinked:
// Instead of looking for and loading a .so file,
// instantiate the plugin from a generated factory
@@ -131,7 +132,7 @@ func (l *Loader) loadAndConfigurePlugin(
} else {
switch l.pc.PluginRestrictions {
case types.PluginRestrictionsNone:
c, err = l.loadPlugin(res.OrgId())
c, err = l.loadPlugin(res)
case types.PluginRestrictionsBuiltinsOnly:
err = types.NewErrOnlyBuiltinPluginsAllowed(res.OrgId().Kind)
default:
@@ -166,7 +167,15 @@ func (l *Loader) makeBuiltinPlugin(r resid.Gvk) (resmap.Configurable, error) {
return nil, errors.Errorf("unable to load builtin %s", r)
}
func (l *Loader) loadPlugin(resId resid.ResId) (resmap.Configurable, error) {
func (l *Loader) loadPlugin(res *resource.Resource) (resmap.Configurable, error) {
_, err := fnplugin.GetFunctionSpec(res)
if err == nil {
return fnplugin.NewFnPlugin(&l.pc.FnpLoadingOptions), nil
}
return l.loadExecOrGoPlugin(res.OrgId())
}
func (l *Loader) loadExecOrGoPlugin(resId resid.ResId) (resmap.Configurable, error) {
// First try to load the plugin as an executable.
p := execplugin.NewExecPlugin(l.absolutePluginPath(resId))
err := p.ErrIfNotExecutable()