mirror of
https://github.com/kubevela/kubevela.git
synced 2026-08-27 16:17:34 +00:00
Shiwen Cheng
4b86689d63
* Update copyright year to 2021 for The KubeVela Authors * Update copyright year to 2021 for other project authors
108 lines
2.4 KiB
Go
108 lines
2.4 KiB
Go
/*
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Copyright 2021 The KubeVela Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package registry
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import (
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"strings"
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"github.com/pkg/errors"
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"github.com/oam-dev/kubevela/pkg/utils/util"
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)
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var (
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tasks = map[string]Task{}
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)
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// Task process app-file
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type Task func(ctx CallCtx, params interface{}) error
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// RegisterTask register task for appfile
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func RegisterTask(name string, task Task) {
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tasks[name] = task
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}
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func GetTasks() map[string]Task {
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return tasks
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}
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// CallCtx is task handle context
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type CallCtx interface {
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LookUp(...string) (interface{}, error)
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IO() util.IOStreams
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}
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type callContext struct {
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data map[string]interface{}
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ioStreams util.IOStreams
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}
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// IO return io streams handler
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func (ctx *callContext) IO() util.IOStreams {
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return ctx.ioStreams
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}
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// LookUp find value by paths
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func (ctx *callContext) LookUp(paths ...string) (interface{}, error) {
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var walkData interface{} = ctx.data
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for _, path := range paths {
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walkData = lookup(walkData, path)
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if walkData == nil {
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return nil, errors.Errorf("lookup field '%s' : not found", strings.Join(paths, "."))
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}
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}
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return walkData, nil
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}
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func lookup(v interface{}, key string) interface{} {
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val, ok := v.(map[string]interface{})
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if ok {
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return val[key]
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}
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return nil
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}
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func newCallCtx(io util.IOStreams, data map[string]interface{}) CallCtx {
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return &callContext{
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ioStreams: io,
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data: data,
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}
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}
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// Run executes tasks
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// Deprecated: Run is deprecated, you should use DoTasks is builtin package, it will automatically register all internal functions
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func Run(spec map[string]interface{}, io util.IOStreams) (map[string]interface{}, error) {
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var (
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ctx = newCallCtx(io, spec)
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retSpec = map[string]interface{}{}
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)
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tasks := GetTasks()
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for key, params := range spec {
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if do, ok := tasks[key]; ok {
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if err := do(ctx, params); err != nil {
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return nil, errors.WithMessagef(err, "do task %s", key)
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}
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} else {
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retSpec[key] = params
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}
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}
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return retSpec, nil
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}
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