forked from coop-cloud/abra
168 lines
3.9 KiB
Go
168 lines
3.9 KiB
Go
package config
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import (
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"bufio"
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"fmt"
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"io/fs"
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"io/ioutil"
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"os"
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"path"
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"path/filepath"
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"strings"
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"github.com/Autonomic-Cooperative/godotenv"
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"github.com/sirupsen/logrus"
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)
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var ABRA_DIR = os.ExpandEnv("$HOME/.abra")
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var ABRA_SERVER_FOLDER = path.Join(ABRA_DIR, "servers")
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var APPS_JSON = path.Join(ABRA_DIR, "apps.json")
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var APPS_DIR = path.Join(ABRA_DIR, "apps")
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var REPOS_BASE_URL = "https://git.coopcloud.tech/coop-cloud"
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// GetServers retrieves all servers.
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func GetServers() ([]string, error) {
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var servers []string
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servers, err := getAllFoldersInDirectory(ABRA_SERVER_FOLDER)
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if err != nil {
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return servers, err
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}
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logrus.Debugf("retrieved '%v' servers: '%s'", len(servers), servers)
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return servers, nil
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}
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// ReadEnv loads an app envivornment into a map.
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func ReadEnv(filePath string) (AppEnv, error) {
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var envFile AppEnv
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envFile, err := godotenv.Read(filePath)
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if err != nil {
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return nil, err
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}
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logrus.Debugf("read '%s' from '%s'", envFile, filePath)
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return envFile, nil
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}
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// ReadServerNames retrieves all server names.
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func ReadServerNames() ([]string, error) {
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serverNames, err := getAllFoldersInDirectory(ABRA_SERVER_FOLDER)
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if err != nil {
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return nil, err
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}
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logrus.Debugf("read '%s' from '%s'", strings.Join(serverNames, ","), ABRA_SERVER_FOLDER)
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return serverNames, nil
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}
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// getAllFilesInDirectory returns filenames of all files in directory
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func getAllFilesInDirectory(directory string) ([]fs.FileInfo, error) {
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var realFiles []fs.FileInfo
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files, err := ioutil.ReadDir(directory)
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if err != nil {
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return nil, err
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}
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for _, file := range files {
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// Follow any symlinks
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filePath := path.Join(directory, file.Name())
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if filepath.Ext(strings.TrimSpace(filePath)) != ".env" {
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continue
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}
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realPath, err := filepath.EvalSymlinks(filePath)
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if err != nil {
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logrus.Warningf("broken symlink in your abra config folders: '%s'", filePath)
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} else {
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realFile, err := os.Stat(realPath)
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if err != nil {
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return nil, err
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}
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if !realFile.IsDir() {
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realFiles = append(realFiles, file)
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}
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}
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}
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return realFiles, nil
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}
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// getAllFoldersInDirectory returns both folder and symlink paths
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func getAllFoldersInDirectory(directory string) ([]string, error) {
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var folders []string
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files, err := ioutil.ReadDir(directory)
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if err != nil {
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return nil, err
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}
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if len(files) == 0 {
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return nil, fmt.Errorf("directory is empty: '%s'", directory)
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}
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for _, file := range files {
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// Check if file is directory or symlink
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if file.IsDir() || file.Mode()&fs.ModeSymlink != 0 {
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filePath := path.Join(directory, file.Name())
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realDir, err := filepath.EvalSymlinks(filePath)
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if err != nil {
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logrus.Warningf("broken symlink in your abra config folders: '%s'", filePath)
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} else if stat, err := os.Stat(realDir); err == nil && stat.IsDir() {
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// path is a directory
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folders = append(folders, file.Name())
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}
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}
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}
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return folders, nil
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}
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// EnsureAbraDirExists checks for the abra config folder and throws error if not
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func EnsureAbraDirExists() error {
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if _, err := os.Stat(ABRA_DIR); os.IsNotExist(err) {
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logrus.Debugf("'%s' does not exist, creating it", ABRA_DIR)
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if err := os.Mkdir(ABRA_DIR, 0777); err != nil {
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return err
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}
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}
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return nil
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}
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// ReadAbraShEnvVars reads env vars from an abra.sh recipe file.
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func ReadAbraShEnvVars(abraSh string) (map[string]string, error) {
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envVars := make(map[string]string)
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file, err := os.Open(abraSh)
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if err != nil {
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if os.IsNotExist(err) {
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return envVars, nil
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}
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return envVars, err
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}
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scanner := bufio.NewScanner(file)
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for scanner.Scan() {
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line := scanner.Text()
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if strings.Contains(line, "export") {
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splitVals := strings.Split(line, "export ")
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envVarDef := splitVals[len(splitVals)-1]
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keyVal := strings.Split(envVarDef, "=")
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if len(keyVal) != 2 {
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return envVars, fmt.Errorf("couldn't parse %s", line)
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}
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envVars[keyVal[0]] = keyVal[1]
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}
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}
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logrus.Debugf("read '%s' from '%s'", envVars, abraSh)
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return envVars, nil
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}
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