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109 lines
2.1 KiB
Go
109 lines
2.1 KiB
Go
package main
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import (
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"encoding/json"
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"errors"
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"fmt"
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"log"
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"os"
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"os/user"
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"strings"
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"github.com/chatton/portainer/client"
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)
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const (
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portainerUserNameEnv = "PORTAINER_USER_NAME"
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portainerPasswordEnv = "PORTAINER_PASSWORD"
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portainerBaseUrlEnv = "PORTAINER_BASE_URL"
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)
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func loadCredsFromEnv() client.Credentials {
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userName, _ := os.LookupEnv(portainerUserNameEnv)
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password, _ := os.LookupEnv(portainerPasswordEnv)
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baseUrl, _ := os.LookupEnv(portainerBaseUrlEnv)
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return client.Credentials{
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Username: userName,
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Password: password,
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BaseUrl: baseUrl,
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}
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}
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func loadCreds() client.Credentials {
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// look for env vars first
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creds := loadCredsFromEnv()
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if creds.IsValid() {
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return creds
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}
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// fallback to file
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return loadCredsFromFile()
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}
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func loadCredsFromFile() client.Credentials {
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usr, _ := user.Current()
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credPath := fmt.Sprintf("%s/.homelab/portainer-creds.json", usr.HomeDir)
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if _, err := os.Stat(credPath); errors.Is(err, os.ErrNotExist) {
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log.Fatal(fmt.Errorf("there must be a credentials file under: %s", credPath))
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}
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fileBytes, err := os.ReadFile(credPath)
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if err != nil {
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log.Fatal(err)
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}
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creds := client.Credentials{}
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if err := json.Unmarshal(fileBytes, &creds); err != nil {
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log.Fatal(err)
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}
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return creds
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}
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type StackResult struct {
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Name string `json:"name"`
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Id int `json:"id"`
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}
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func main() {
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args := os.Args
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if len(args) != 2 {
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fmt.Println("must specify name of stack to start!")
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os.Exit(1)
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}
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stackName := args[1]
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creds := loadCreds()
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c, err := client.NewPortainerClient(creds)
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if err != nil {
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log.Fatal(err)
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}
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s, err := c.GetStackByName(stackName)
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if err != nil {
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log.Fatal(err)
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}
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if s == nil {
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log.Fatalf("no stack found with name: %s\n", stackName)
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}
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msg, err := c.StartStack(s.ID)
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if err != nil {
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log.Fatal(err)
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}
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if msg.Details != "" && !strings.Contains(msg.Details, "is already running") {
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log.Fatalf("problem starting stack: %s", msg.Details)
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}
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sr := StackResult{
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Name: stackName,
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Id: s.ID,
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}
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bytes, err := json.Marshal(sr)
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if err != nil {
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log.Fatal(err)
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}
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// output details of the stack that was started (or is already started)
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fmt.Println(string(bytes))
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}
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