Files
cloudpods/pkg/util/ansible/parser.go
2019-06-14 18:14:48 +08:00

84 lines
2.0 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 ansible
import (
"fmt"
"strings"
)
// TODO
//
// quote parser
// ParseHostLine parse string representation of an ansible host
//
// Input should be in format "name key=value"
func ParseHostLine(s string) (host Host, err error) {
s = strings.TrimSpace(s)
parts := strings.Split(s, " ")
if len(parts) == 0 {
err = fmt.Errorf("Host name must not be empty")
return
}
host.Name = parts[0]
vars := map[string]string{}
for _, kv := range parts[1:] {
s := strings.SplitN(kv, "=", 2)
if len(s) != 2 {
err = fmt.Errorf("host var not in the form name=val: %s", kv)
return
}
vars[s[0]] = s[1]
}
host.Vars = vars
return
}
// ParseModuleLine parse string representation of an ansible module task
//
// The input should be in format "name key=value arg0 arg1". The argN form is
// For module "command" and "shell"
func ParseModuleLine(s string) (mod Module, err error) {
s = strings.TrimSpace(s)
parts := strings.Split(s, " ")
if len(parts) == 0 {
err = fmt.Errorf("Module name must not be empty")
return
}
mod.Name = parts[0]
args := []string{}
command := ""
freeForm := false // command and shell module take free form arguments
for _, part := range parts[1:] {
if freeForm {
command = command + " " + part
continue
}
if strings.Contains(part, "=") {
args = append(args, part)
} else {
freeForm = true
command = command + " " + part
}
}
if command != "" {
args = append(args, command)
}
mod.Args = args
return
}