25ad05cce3
This is a prototype that i'm attempting to "release early". Expect a lot of changes! It is intended to be a config management tool that will: * be event based * execute actions in parallel * function as a distributed system There are a bunch more design ideas going into this, please stay tuned!
74 lines
1.8 KiB
Go
74 lines
1.8 KiB
Go
// Mgmt
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// Copyright (C) 2013-2015+ James Shubin and the project contributors
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// Written by James Shubin <james@shubin.ca> and the project contributors
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package main
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import (
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"code.google.com/p/go-uuid/uuid"
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"fmt"
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"log"
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)
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type Type interface {
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//Name() string
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Watch(*Vertex)
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StateOK() bool // TODO: can we rename this to something better?
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Apply() bool
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Exit() bool
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}
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type NoopType struct {
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uuid string
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Type string // always "noop"
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Name string // name variable
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Events chan string // FIXME: eventually a struct for the event?
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}
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func NewNoopType(name string) *NoopType {
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return &NoopType{
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uuid: uuid.New(),
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Type: "noop",
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Name: name,
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Events: make(chan string, 1), // XXX: chan size?
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}
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}
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func (obj NoopType) Watch(v *Vertex) {
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select {
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case exit := <-obj.Events:
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if exit == "exit" {
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return
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} else {
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log.Fatal("Unknown event: %v\n", exit)
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}
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}
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}
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func (obj NoopType) Exit() bool {
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obj.Events <- "exit"
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return true
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}
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func (obj NoopType) StateOK() bool {
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return true // never needs updating
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}
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func (obj NoopType) Apply() bool {
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fmt.Printf("Apply->%v[%v]\n", obj.Type, obj.Name)
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return true
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}
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