Merge pull request 'feature/6-add-configurable-global-mountpoint' (#32) from feature/6-add-configurable-global-mountpoint into develop

Reviewed-on: glenux/mfm#32

src/cli.cr

@@ -92,13 +92,18 @@ module GX
         STDOUT.puts "#{PROGRAM_NAME} #{VERSION}"
       when Config::Mode::Mount
         @config.load_from_file
-        mount
+        filesystem = choose_filesystem
+        mount_or_umount(filesystem) if !filesystem.nil?
       end
     end
 
-    def mount()
+    def choose_filesystem()
-      names_display = {} of String => NamedTuple(filesystem: Filesystem, ansi_name: String)
+      names_display = {} of String => NamedTuple(filesystem: Models::AbstractFilesystemConfig, ansi_name: String)
-      @config.filesystems.each do |filesystem|
+
+      config_root = @config.root
+      return if config_root.nil?
+
+      config_root.filesystems.each do |filesystem|
         fs_str = filesystem.type.ljust(12,' ')
 
         suffix = ""
@@ -121,12 +126,22 @@ module GX
       selected_filesystem = names_display[result_filesystem_name][:filesystem]
       puts ">> #{selected_filesystem.name}".colorize(:yellow)
 
-      if selected_filesystem
+      if !selected_filesystem
-        selected_filesystem.mounted? ? selected_filesystem.unmount : selected_filesystem.mount
-      else
         STDERR.puts "Vault not found: #{selected_filesystem}.".colorize(:red)
+        return
+      end
+      return selected_filesystem
     end
 
+    def mount_or_umount(selected_filesystem)
+      config_root_safe = @config.root
+      return if config_root_safe.nil?
+
+      if !selected_filesystem.mounted?
+        selected_filesystem.mount()
+      else
+        selected_filesystem.umount()
+      end
     end
   end
 end

src/config.cr

@@ -5,7 +5,7 @@
 
 require "crinja"
 
-require "./filesystems"
+require "./models"
 
 module GX
   class Config
@@ -23,8 +23,10 @@ module GX
     record AddArgs, name : String, path : String
     record DelArgs, name : String
 
-    getter filesystems : Array(Filesystem)
+    # getter filesystems : Array(Models::AbstractFilesystemConfig)
     getter home_dir : String
+    getter root : Models::RootConfig?
+
     property verbose : Bool
     property mode : Mode
     property path : String?
@@ -38,13 +40,13 @@ module GX
 
       @verbose = false
       @mode = Mode::Mount
-      @filesystems = [] of Filesystem
+      @filesystems = [] of Models::AbstractFilesystemConfig
       @path = nil
 
       @args = NoArgs
     end
 
-    def detect_config_file()
+    private def detect_config_file()
       possible_files = [
         File.join(@home_dir, ".config", "mfm", "config.yaml"),
         File.join(@home_dir, ".config", "mfm", "config.yml"),
@@ -68,35 +70,32 @@ module GX
     end
 
     def load_from_file
-      path = @path
+      config_path = @path
-      if path.nil?
+      if config_path.nil?
-        path = detect_config_file()
+        config_path = detect_config_file()
       end
-      @path = path
+      @path = config_path
-      @filesystems = [] of Filesystem
 
-      if !File.exists? path
+      if !File.exists? config_path
         Log.error { "File #{path} does not exist!".colorize(:red) }
         exit(1)
       end
-      load_filesystems(path)
-    end
 
-    private def load_filesystems(config_path : String)
       file_data = File.read(config_path)
-      # FIXME: render template on a value basis (instead of global)
       file_patched = Crinja.render(file_data, {"env" => ENV.to_h}) 
 
-      yaml_data = YAML.parse(file_patched)
+      root = Models::RootConfig.from_yaml(file_patched)
-      vaults_data = yaml_data["filesystems"].as_a
 
-      vaults_data.each do |filesystem_data|
+      global_mount_point = root.global.mount_point
-        type = filesystem_data["type"].as_s
+      raise "Invalid global mount point" if global_mount_point.nil?
-        name = filesystem_data["name"].as_s
+
-        # encrypted_path = filesystem_data["encrypted_path"].as_s
+      root.filesystems.each do |selected_filesystem|
-        @filesystems << Filesystem.from_yaml(filesystem_data.to_yaml)
+        if !selected_filesystem.mount_point?
-        # @filesystems << Filesystem.new(name, encrypted_path, "#{name}.Open")
+          selected_filesystem.mount_point = 
+            File.join(global_mount_point, selected_filesystem.mounted_name)
         end
       end
+      @root = root
+    end
   end
 end

src/filesystems.cr

@@ -1,9 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
-# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
-
-require "./filesystems/gocryptfs"
-require "./filesystems/sshfs"
-require "./filesystems/httpdirfs"
-require "./filesystems/filesystem"

src/filesystems/filesystem.cr

@@ -1,48 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
-# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
-
-require "yaml"
-
-module GX
-  abstract class Filesystem
-    include YAML::Serializable
-
-    use_yaml_discriminator "type", {
-      gocryptfs: GoCryptFS, 
-      sshfs: SshFS,
-      httpdirfs: HttpDirFS
-    }
-
-    property type : String
-  end
-
-  module GenericFilesystem
-    def unmount
-      system("fusermount -u #{mount_dir.shellescape}")
-      fusermount_status = $?
-
-      if fusermount_status.success?
-        puts "Filesystem #{name} is now closed.".colorize(:green)
-      else
-        puts "Error: Unable to unmount filesystem #{name} (exit code: #{fusermount_status.exit_code}).".colorize(:red)
-      end
-    end
-
-    def mount(&block)
-      Dir.mkdir_p(mount_dir) unless Dir.exists?(mount_dir)
-      if mounted?
-        puts "Already mounted. Skipping.".colorize(:yellow)
-        return
-      end
-
-      yield
-
-      puts "Filesystem #{name} is now available on #{mount_dir}".colorize(:green)
-    end
-  end
-end
-
-require "./gocryptfs"
-require "./sshfs"

src/filesystems/gocryptfs.cr

@@ -1,47 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
-# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
-
-require "shellwords"
-require "./filesystem"
-
-module GX
-  class GoCryptFS < Filesystem
-    getter name : String = ""
-    getter encrypted_path : String = ""
-
-    @[YAML::Field(key: "mount_dir", ignore: true)]
-    getter mount_dir : String = ""
-
-    include GenericFilesystem
-
-    def after_initialize()
-      home_dir = ENV["HOME"] || raise "Home directory not found"
-      @mount_dir = File.join(home_dir, "mnt/#{@name}.Open")
-    end
-
-    def mounted? : Bool
-      `mount`.includes?("#{encrypted_path} on #{mount_dir}")
-    end
-
-    def mount
-      super do 
-        input = STDIN
-        output = STDOUT
-        error = STDERR
-        process = Process.new(
-          "gocryptfs", 
-          ["-idle", "15m", encrypted_path, mount_dir], 
-          input: input, 
-          output: output, 
-          error: error
-        )
-        unless process.wait.success?
-          puts "Error mounting the vault".colorize(:red)
-          return
-        end
-      end
-    end
-  end
-end

src/filesystems/httpdirfs.cr

@@ -1,48 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
-# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
-
-require "shellwords"
-require "./filesystem"
-
-module GX
-  class HttpDirFS < Filesystem
-    getter name : String = ""
-    getter url : String = ""
-
-    @[YAML::Field(key: "mount_dir", ignore: true)]
-    getter mount_dir : String = ""
-
-    include GenericFilesystem
-
-    def after_initialize()
-      home_dir = ENV["HOME"] || raise "Home directory not found"
-      @mount_dir = File.join(home_dir, "mnt/#{@name}")
-    end
-
-    def mounted? : Bool
-      `mount`.includes?("httpdirfs on #{mount_dir}")
-    end
-
-    def mount
-      super do
-        input = STDIN
-        output = STDOUT
-        error = STDERR
-        process = Process.new(
-          "httpdirfs", 
-          ["#{url}", mount_dir], 
-          input: input, 
-          output: output, 
-          error: error
-        )
-        unless process.wait.success?
-          puts "Error mounting the filesystem".colorize(:red)
-          return
-        end
-      end
-    end
-  end
-end
-

src/filesystems/sshfs.cr

@@ -1,54 +0,0 @@
-# SPDX-License-Identifier: GPL-3.0-or-later
-#
-# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
-# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
-
-require "shellwords"
-require "./filesystem"
-
-module GX
-  class SshFS < Filesystem
-    getter name : String = ""
-    getter remote_path : String = ""
-    getter remote_user : String = ""
-    getter remote_host : String = ""
-    getter remote_port : String = "22"
-
-    @[YAML::Field(key: "mount_dir", ignore: true)]
-    getter mount_dir : String = ""
-
-    include GenericFilesystem
-
-    def after_initialize()
-      home_dir = ENV["HOME"] || raise "Home directory not found"
-      @mount_dir = File.join(home_dir, "mnt/#{@name}")
-    end
-
-    def mounted? : Bool
-      `mount`.includes?("#{remote_user}@#{remote_host}:#{remote_path} on #{mount_dir}")
-    end
-
-    def mount
-      super do
-        input = STDIN
-        output = STDOUT
-        error = STDERR
-        process = Process.new(
-          "sshfs", 
-          [
-            "-p", remote_port,
-            "#{remote_user}@#{remote_host}:#{remote_path}", 
-            mount_dir
-          ], 
-          input: input, 
-          output: output, 
-          error: error
-        )
-        unless process.wait.success?
-          puts "Error mounting the filesystem".colorize(:red)
-          return
-        end
-      end
-    end
-  end
-end

src/main.cr

@@ -8,7 +8,6 @@ require "colorize"
 require "json"
 require "log"
 
-require "./filesystems/gocryptfs"
 require "./config"
 require "./cli"
 
@@ -32,7 +31,6 @@ Log.setup do |config|
   end
 end
 
-
 app = GX::Cli.new
 app.parse_command_line(ARGV)
 app.run

src/models.cr

@@ -0,0 +1,11 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "./models/root_config"
+require "./models/global_config"
+require "./models/gocryptfs_config"
+require "./models/sshfs_config"
+require "./models/httpdirfs_config"
+require "./models/abstract_filesystem_config"

src/models/abstract_filesystem_config.cr

@@ -0,0 +1,32 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "yaml"
+
+module GX::Models
+  abstract class AbstractFilesystemConfig
+    include YAML::Serializable
+    # include YAML::Serializable::Strict
+
+    use_yaml_discriminator "type", {
+      gocryptfs: GoCryptFSConfig, 
+      sshfs: SshFSConfig,
+      httpdirfs: HttpDirFSConfig
+    }
+
+    getter type : String
+    getter name : String
+    property mount_point : String?
+
+    abstract def _mount_wrapper(&block)
+    abstract def _mount_action()
+    abstract def _mounted_prefix()
+    abstract def mounted_name()
+    abstract def mounted?()
+    abstract def mount()
+    abstract def umount()
+    abstract def mount_point?()
+  end
+end

src/models/concerns/base.cr

@@ -0,0 +1,51 @@
+
+module GX::Models::Concerns
+  module Base
+    def mounted?() : Bool
+      mount_point_safe = @mount_point
+      raise "Invalid mountpoint value" if mount_point_safe.nil?
+
+      `mount`.includes?(" on #{mount_point_safe} type ")
+    end
+
+    def umount() : Nil
+      mount_point_safe = @mount_point
+      raise "Invalid mountpoint value" if mount_point_safe.nil?
+
+      system("fusermount -u #{mount_point_safe.shellescape}")
+      fusermount_status = $?
+
+      if fusermount_status.success?
+        puts "Models #{name} is now closed.".colorize(:green)
+      else
+        puts "Error: Unable to unmount filesystem #{name} (exit code: #{fusermount_status.exit_code}).".colorize(:red)
+      end
+    end
+
+    def mount_point?()
+      !mount_point.nil?
+    end
+
+    def mount()
+      _mount_wrapper() do
+        _mount_action
+      end
+    end
+
+    def _mount_wrapper(&block) : Nil
+      mount_point_safe = mount_point
+      return if mount_point_safe.nil?
+
+      Dir.mkdir_p(mount_point_safe) unless Dir.exists?(mount_point_safe)
+      if mounted?
+        puts "Already mounted. Skipping.".colorize(:yellow)
+        return
+      end
+
+      yield
+
+      puts "Models #{name} is now available on #{mount_point_safe}".colorize(:green)
+    end
+  end
+
+end

src/models/global_config.cr

@@ -0,0 +1,28 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "yaml"
+require "./abstract_filesystem_config"
+
+module GX::Models
+  class GlobalConfig
+    include YAML::Serializable
+    include YAML::Serializable::Strict
+
+    @[YAML::Field(key: "mount_point")]
+    getter mount_point : String?
+
+    def after_initialize()
+      home_dir = ENV["HOME"] || raise "Home directory not found"
+
+      # Set default mountpoint from global if none defined
+      if @mount_point.nil? || @mount_point.try &.empty?
+        @mount_point = File.join(home_dir, "mnt")
+      end
+    end
+  end
+end
+
+

src/models/gocryptfs_config.cr

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "shellwords"
+require "./abstract_filesystem_config"
+require "./concerns/base"
+
+module GX::Models
+  class GoCryptFSConfig < AbstractFilesystemConfig
+    getter encrypted_path : String = ""
+
+    include Concerns::Base
+
+    def _mounted_prefix()
+      "#{encrypted_path}"
+    end
+
+    def mounted_name()
+      "#{@name}.Open"
+    end
+
+    def _mount_action()
+      mount_point_safe = @mount_point
+      raise "Invalid mount point" if mount_point_safe.nil?
+
+      process = Process.new(
+        "gocryptfs", 
+        ["-idle", "15m", @encrypted_path, mount_point_safe], 
+        input: STDIN, 
+        output: STDOUT, 
+        error: STDERR
+      )
+      unless process.wait.success?
+        puts "Error mounting the vault".colorize(:red)
+        return
+      end
+    end
+  end
+end

src/models/httpdirfs_config.cr

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "shellwords"
+require "./abstract_filesystem_config"
+require "./concerns/base"
+
+module GX::Models
+  class HttpDirFSConfig < AbstractFilesystemConfig
+    getter url : String = ""
+
+    include Concerns::Base
+
+    def _mounted_prefix()
+      "httpdirfs"
+    end
+
+    def mounted_name()
+      @name
+    end
+
+    def _mount_action()
+      mount_point_safe = @mount_point
+      raise "Invalid mount point" if mount_point_safe.nil?
+
+      process = Process.new(
+        "httpdirfs", 
+        ["#{@url}", mount_point_safe], 
+        input: STDIN, 
+        output: STDOUT, 
+        error: STDERR
+      )
+      unless process.wait.success?
+        puts "Error mounting the filesystem".colorize(:red)
+        return
+      end
+    end
+  end
+end

src/models/root_config.cr

@@ -0,0 +1,41 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "yaml"
+require "./abstract_filesystem_config"
+require "./global_config"
+
+module GX::Models
+  # class CrinjaConverter
+  #   def self.from_yaml(ctx : YAML::ParseContext , node : YAML::Nodes::Node)
+  #     l_node = node
+  #     if l_node.is_a?(YAML::Nodes::Scalar)
+  #       value_patched = Crinja.render(l_node.value, {"env" => ENV.to_h}) 
+  #       return value_patched
+  #     end
+
+  #     return "<null>"
+  #   end
+  #   
+  #   def self.to_yaml(value, builder : YAML::Nodes::Builder)
+  #   end
+  # end
+
+  class RootConfig
+    include YAML::Serializable
+    include YAML::Serializable::Strict
+
+    # @[YAML::Field(key: "version", converter: GX::Models::CrinjaConverter)]
+    @[YAML::Field(key: "version")]
+    getter version : String
+
+    @[YAML::Field(key: "global")]
+    getter global : GlobalConfig
+
+    @[YAML::Field(key: "filesystems")]
+    getter filesystems : Array(AbstractFilesystemConfig)
+  end
+end
+

src/models/sshfs_config.cr

@@ -0,0 +1,48 @@
+# SPDX-License-Identifier: GPL-3.0-or-later
+#
+# SPDX-FileCopyrightText: 2023 Glenn Y. Rolland <glenux@glenux.net>
+# Copyright © 2023 Glenn Y. Rolland <glenux@glenux.net>
+
+require "shellwords"
+require "./abstract_filesystem_config"
+require "./concerns/base"
+
+module GX::Models
+  class SshFSConfig < AbstractFilesystemConfig
+    getter remote_path : String = ""
+    getter remote_user : String = ""
+    getter remote_host : String = ""
+    getter remote_port : String = "22"
+
+    include Concerns::Base
+
+    def _mounted_prefix()
+      "#{@remote_user}@#{@remote_host}:#{@remote_path}"
+    end
+
+    def mounted_name()
+      @name
+    end
+
+    def _mount_action()
+      mount_point_safe = @mount_point
+      raise "Invalid mount point" if mount_point_safe.nil?
+
+      process = Process.new(
+        "sshfs", 
+        [
+          "-p", remote_port,
+          "#{@remote_user}@#{@remote_host}:#{@remote_path}", 
+          mount_point_safe
+        ], 
+        input: STDIN, 
+        output: STDOUT, 
+        error: STDERR
+      )
+      unless process.wait.success?
+        puts "Error mounting the filesystem".colorize(:red)
+        return
+      end
+    end
+  end
+end