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main.go
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main.go
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/*
* Copyright 2018-2020 the original author or authors.
*
* 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
*
* https://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 main
import (
"encoding/json"
"fmt"
"net/http"
"os"
"regexp"
"github.com/paketo-buildpacks/pipeline-builder/actions"
)
func main() {
inputs := actions.NewInputs()
t, ok := inputs["type"]
if !ok {
panic(fmt.Errorf("type must be specified"))
}
uri := "https://download.appdynamics.com/download/downloadfilelatest"
resp, err := http.Get(uri)
if err != nil {
panic(fmt.Errorf("unable to get %s\n%w", uri, err))
}
defer resp.Body.Close()
if resp.StatusCode != 200 {
panic(fmt.Errorf("unable to download %s: %d", uri, resp.StatusCode))
}
var raw []struct {
DownloadPath string `json:"download_path"`
FileType string `json:"filetype"`
Version string `json:"version"`
}
if err := json.NewDecoder(resp.Body).Decode(&raw); err != nil {
panic(fmt.Errorf("unable to decode payload\n%w", err))
}
cp := regexp.MustCompile(`^([\d]+)\.([\d]+)\.([\d]+)[.-]?(.*)`)
versions := make(actions.Versions)
for _, r := range raw {
if t == r.FileType {
if p := cp.FindStringSubmatch(r.Version); p != nil {
v := fmt.Sprintf("%s.%s.%s", p[1], p[2], p[3])
if p[4] != "" {
v = fmt.Sprintf("%s-%s", v, p[4])
}
var uri string
switch t {
case "php-tar":
uri = fmt.Sprintf("https://packages.appdynamics.com/php/%[1]s/appdynamics-php-agent-linux_x64-%[1]s.tar.bz2", r.Version)
case "sun-jvm":
uri = fmt.Sprintf("https://packages.appdynamics.com/java/%[1]s/AppServerAgent-%[1]s.zip", r.Version)
default:
panic(fmt.Errorf("unknown uri type %s\n", t))
}
versions[v] = uri
}
break
}
}
if o, err := versions.GetLatest(inputs); err != nil {
panic(err)
} else {
o.Write(os.Stdout)
}
}