Files
cloudpods/pkg/util/ansiblev2/inventory.go
2019-10-31 19:51:02 +08:00

123 lines
2.6 KiB
Go

// Copyright 2019 Yunion
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ansiblev2
import (
"fmt"
"github.com/go-yaml/yaml"
)
func newVars(args ...interface{}) map[string]interface{} {
if len(args)&1 != 0 {
panic("odd number of args for key/value pairs!")
}
vars := map[string]interface{}{}
for i := 0; i < len(args); i += 2 {
if k, ok := args[i].(string); !ok {
panic(fmt.Sprintf("the %drd key is not string type: %#v", i, args[i]))
} else {
vars[k] = args[i+1]
}
}
return vars
}
type Host struct {
Vars map[string]interface{}
}
func NewHost(args ...interface{}) *Host {
return &Host{
Vars: newVars(args...),
}
}
type HostGroup struct {
Hosts map[string]*Host
Children map[string]*HostGroup
Vars map[string]interface{}
}
func NewHostGroup(args ...interface{}) *HostGroup {
return &HostGroup{
Vars: newVars(args...),
}
}
func (hg *HostGroup) SetHost(name string, host *Host) *HostGroup {
if hg.Hosts == nil {
hg.Hosts = map[string]*Host{}
}
hg.Hosts[name] = host
return hg
}
func (hg *HostGroup) SetChild(name string, child *HostGroup) *HostGroup {
if hg.Children == nil {
hg.Children = map[string]*HostGroup{}
}
hg.Children[name] = child
return hg
}
func (hg *HostGroup) MarshalYAML() (interface{}, error) {
hosts := map[string]interface{}{}
for name := range hg.Hosts {
hosts[name] = hg.Hosts[name].Vars
}
children := map[string]interface{}{}
for name := range hg.Children {
children[name], _ = hg.Children[name].MarshalYAML()
}
r := map[string]interface{}{}
if len(hosts) > 0 {
r["hosts"] = hosts
}
if len(children) > 0 {
r["children"] = children
}
if len(hg.Vars) > 0 {
r["vars"] = hg.Vars
}
return r, nil
}
type Inventory struct {
HostGroup
}
func NewInventory(args ...interface{}) *Inventory {
hg := NewHostGroup(args...)
inv := &Inventory{
HostGroup: *hg,
}
return inv
}
func (inv *Inventory) MarshalYAML() (interface{}, error) {
all, _ := inv.HostGroup.MarshalYAML()
r := map[string]interface{}{
"all": all,
}
return r, nil
}
func (inv *Inventory) String() string {
b, _ := yaml.Marshal(inv)
return string(b)
}