├── .gitignore ├── LICENSE ├── README.md └── docker-cli.el /.gitignore: -------------------------------------------------------------------------------- 1 | # ---> Elisp 2 | # Compiled 3 | *.elc 4 | 5 | # Packaging 6 | .cask 7 | 8 | -------------------------------------------------------------------------------- /LICENSE: -------------------------------------------------------------------------------- 1 | GNU GENERAL PUBLIC LICENSE 2 | Version 3, 29 June 2007 3 | 4 | Copyright (C) 2007 Free Software Foundation, Inc. 5 | Everyone is permitted to copy and distribute verbatim copies 6 | of this license document, but changing it is not allowed. 7 | 8 | Preamble 9 | 10 | The GNU General Public License is a free, copyleft license for 11 | software and other kinds of works. 12 | 13 | The licenses for most software and other practical works are designed 14 | to take away your freedom to share and change the works. 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It is safest 630 | to attach them to the start of each source file to most effectively 631 | state the exclusion of warranty; and each file should have at least 632 | the "copyright" line and a pointer to where the full notice is found. 633 | 634 | 635 | Copyright (C) 636 | 637 | This program is free software: you can redistribute it and/or modify 638 | it under the terms of the GNU General Public License as published by 639 | the Free Software Foundation, either version 3 of the License, or 640 | (at your option) any later version. 641 | 642 | This program is distributed in the hope that it will be useful, 643 | but WITHOUT ANY WARRANTY; without even the implied warranty of 644 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 645 | GNU General Public License for more details. 646 | 647 | You should have received a copy of the GNU General Public License 648 | along with this program. If not, see . 649 | 650 | Also add information on how to contact you by electronic and paper mail. 651 | 652 | If the program does terminal interaction, make it output a short 653 | notice like this when it starts in an interactive mode: 654 | 655 | Copyright (C) 656 | This program comes with ABSOLUTELY NO WARRANTY; for details type `show w'. 657 | This is free software, and you are welcome to redistribute it 658 | under certain conditions; type `show c' for details. 659 | 660 | The hypothetical commands `show w' and `show c' should show the appropriate 661 | parts of the General Public License. Of course, your program's commands 662 | might be different; for a GUI interface, you would use an "about box". 663 | 664 | You should also get your employer (if you work as a programmer) or school, 665 | if any, to sign a "copyright disclaimer" for the program, if necessary. 666 | For more information on this, and how to apply and follow the GNU GPL, see 667 | . 668 | 669 | The GNU General Public License does not permit incorporating your program 670 | into proprietary programs. If your program is a subroutine library, you 671 | may consider it more useful to permit linking proprietary applications with 672 | the library. If this is what you want to do, use the GNU Lesser General 673 | Public License instead of this License. But first, please read 674 | . 675 | -------------------------------------------------------------------------------- /README.md: -------------------------------------------------------------------------------- 1 | ## docker-runner-cli ## 2 | 3 | Running various CLI in Docker within Emacs buffer 4 | 5 | ## Installation ## 6 | 7 | The best way to install it is from MELPA 8 | 9 | ` 10 | M-x package-install [RET] docker-cli [RET] 11 | ` 12 | 13 | Manually package can be installed by putting `docker-cli.el` somewhere 14 | on the load path and requiring it in `init.el` 15 | 16 | ` 17 | (require 'docker-cli) 18 | ` 19 | 20 | ## Extending ## 21 | 22 | If you need to add new commands to execute in Docker containers just 23 | add new element to the `docker-cli-commands-alist` list. For details 24 | view documentation for the list. In short you will have to define 25 | command that will be executed. If command needs additional parameters 26 | they can be composed through `:arguments-compose-func` part of list 27 | element and regular expression for comint prompt handling (view comint 28 | mode for details). 29 | 30 | ```lisp 31 | (defun railsc-arguments () '("exec" "rails" "c")) 32 | 33 | ;; This part was taken from inf-ruby 34 | (defconst inf-ruby-prompt-format 35 | (concat 36 | (mapconcat 37 | #'identity 38 | '("\\(^%s> *\\)" ; Simple 39 | "\\(^(rdb:1) *\\)" ; Debugger 40 | "\\(^(byebug) *\\)" ; byebug 41 | "\\(^\\(irb([^)]+)" ; IRB default 42 | "\\([[0-9]+] \\)?[Pp]ry ?([^)]+)" ; Pry 43 | "\\(jruby-\\|JRUBY-\\)?[1-9]\\.[0-9]\\(\\.[0-9]+\\)*\\(-?p?[0-9]+\\)?" ; RVM 44 | "^rbx-head\\)") ; RVM continued 45 | "\\|") 46 | ;; Statement and nesting counters, common to the last four. 47 | " ?[0-9:]* ?%s *\\)") 48 | "Format string for the prompt regexp pattern. 49 | Two placeholders: first char in the Simple prompt, and the last 50 | graphical char in all other prompts.") 51 | 52 | (setq docker-cli-commands-alist 53 | (append docker-cli-commands-alist '((rails-console 54 | :command "./bin/rails" 55 | :arguments-compose-func railsc-arguments 56 | :prompt-regexp (format inf-ruby-prompt-format "[?>]" "[\]>*\"'/`]") 57 | :prompt-cont-regexp (format inf-ruby-prompt-format "[?>]" "[\]>*\"'/`]"))))) 58 | ``` 59 | -------------------------------------------------------------------------------- /docker-cli.el: -------------------------------------------------------------------------------- 1 | ;;; docker-cli.el --- Running various commands in docker containers 2 | 3 | ;; Author: Boško Ivanišević 4 | ;; Version: 1.0.0 5 | ;; Keywords: processes 6 | ;; URL: https://github.com/bosko/docker-cli 7 | 8 | ;; This file is not part of GNU Emacs. 9 | 10 | ;; This file is free software; you can redistribute it and/or modify 11 | ;; it under the terms of the GNU General Public License as published by 12 | ;; the Free Software Foundation; either version 3, or (at your option) 13 | ;; any later version. 14 | 15 | ;; This file is distributed in the hope that it will be useful, 16 | ;; but WITHOUT ANY WARRANTY; without even the implied warranty of 17 | ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18 | ;; GNU General Public License for more details. 19 | 20 | ;; You should have received a copy of the GNU General Public License 21 | ;; along with GNU Emacs; see the file COPYING. If not, write to 22 | ;; the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, 23 | ;; Boston, MA 02110-1301, USA. 24 | 25 | ;;; Commentary: 26 | ;; 27 | ;; docker-cli provides mode for running commands within Docker 28 | ;; containers in Emacs buffer. Package comes with few predefined 29 | ;; commands for running PostgreSQL, Redis and MySQL clients. Package 30 | ;; can easily be extended with new commands by adding elements to 31 | ;; `docker-cli-commands-alist'. Command is ran with interactive 32 | ;; function `docker-cli-run-cmd` which, after selecting command and 33 | ;; container from the list, executes given command in the target 34 | ;; Docker container. 35 | 36 | ;;; Code: 37 | 38 | (require 'comint) 39 | 40 | (defcustom docker-cli-db-username "" 41 | "Database username." 42 | :type 'string 43 | :group 'docker-cli) 44 | 45 | (defcustom docker-cli-db-name "" 46 | "Database name." 47 | :type 'string 48 | :group 'docker-cli) 49 | 50 | (defcustom docker-cli-host "" 51 | "Host name." 52 | :type 'string 53 | :group 'docker-cli) 54 | 55 | (defvar docker-cli-cmd "docker" 56 | "Docker command.") 57 | 58 | (defvar docker-cli-exec-arguments '("exec" "-it") 59 | "Commandline arguments to pass to docker.") 60 | 61 | (defvar docker-cli-curr-command nil 62 | "Current selected command.") 63 | 64 | (defvar docker-cli-commands-alist 65 | '((sh 66 | :command "/bin/sh" 67 | :arguments-compose-func nil 68 | :prompt-regexp "^[[:alnum:]_]*=[#>] " 69 | :prompt-cont-regexp "^[[:alnum:]_]*=[#>] ") 70 | 71 | (bash 72 | :command "/bin/bash" 73 | :arguments-compose-func nil 74 | :prompt-regexp "^[[:alnum:]_]*=[#>] " 75 | :prompt-cont-regexp "^[[:alnum:]_]*=[#>] ") 76 | 77 | (psql 78 | :command "psql" 79 | :arguments-compose-func docker-cli-psql-arguments 80 | :prompt-regexp "^[[:alnum:]_]*=[#>] " 81 | :prompt-cont-regexp "^[[:alnum:]_]*=[#>] ") 82 | 83 | (mysql 84 | :command "mysql" 85 | :arguments-compose-func docker-cli-mysql-arguments 86 | :prompt-regexp "^[[:alnum:]_]*=[#>] " 87 | :prompt-cont-regexp "^[[:alnum:]_]*=[#>] ") 88 | 89 | (redis-cli 90 | :command "redis-cli" 91 | :exec-arguments-func docker-cli-redis-exec-arguments 92 | :arguments-compose-func nil 93 | :prompt-regexp "^[a-zA-Z0-9_.-]+:[0-9]+\\(\\[[0-9]\\]\\)?> " 94 | :prompt-cont-regexp "^[a-zA-Z0-9_.-]+:[0-9]+\\(\\[[0-9]\\]\\)?> ")) 95 | "An alist of defined commands that can be ran in docker container. 96 | 97 | Each element in the list must be of the following format: 98 | 99 | (COMMAND-KEY FEATURE VALUE) 100 | 101 | where COMMAND-KEY is unique value that determines command and can 102 | be displayed in selection when `docker-run' is executed. Each key 103 | is followed by FEATURE-VALUE pairs. Feature can be any of following: 104 | 105 | :command Command that will be executed in the 106 | Docker container. 107 | 108 | :exec-arguments-func Function without arguments that should 109 | return Docker exec arguments. Value 110 | returned by this fuction will be used 111 | instead of `docker-cli-exec-arguments'. 112 | 113 | :arguments-compose-func Function without arguments that will be 114 | called in order to fetch all command 115 | arguments. 116 | 117 | New commands can be supported by adding new element to this list.") 118 | 119 | (defvar docker-cli-mode-map 120 | (let ((map (nconc (make-sparse-keymap) comint-mode-map))) 121 | ;; example definition 122 | (define-key map "\t" 'completion-at-point) 123 | map) 124 | "Basic mode map for `docker-cli'.") 125 | 126 | ;; This value is for psql. It should be nil here and 127 | ;; set depending of command started 128 | (defvar docker-cli-prompt-regexp nil 129 | "Prompt for `docker-cli'.") 130 | 131 | ;; This value is for psql. It should be nil here and 132 | ;; set depending of command started 133 | (defvar docker-cli-prompt-cont-regexp nil 134 | "Prompt pattern for continuation prompt.") 135 | 136 | (defun docker-cli-psql-arguments () 137 | "Composes arguments for running psql in docker container." 138 | (setq docker-cli-db-username (read-string "Username: " docker-cli-db-username)) 139 | (setq docker-cli-db-name (read-string "Database: " docker-cli-db-name)) 140 | (setq docker-cli-host (read-string "Host: " docker-cli-host)) 141 | `("-U" ,docker-cli-db-username "-h" ,docker-cli-host "-P" "pager=off" ,docker-cli-db-name)) 142 | 143 | (defun docker-cli-mysql-arguments () 144 | "Composes arguments for running MySQL client in Docker container." 145 | (setq docker-cli-db-username (read-string "Username: " docker-cli-db-username)) 146 | (setq docker-cli-db-name (read-string "Database: " docker-cli-db-name)) 147 | (setq docker-cli-host (read-string "Host: " docker-cli-host)) 148 | `("-u" ,docker-cli-db-username "-h" ,docker-cli-host "-p" ,docker-cli-db-name)) 149 | 150 | (defun docker-cli-redis-exec-arguments () 151 | "Composes arguments for running Redis client in docker container." 152 | '("exec" "-it" "-e" "TERM=dumb")) 153 | 154 | (defun docker-cli-compose-params-for (command-name container) 155 | "Composes params for given command and CONTAINER. 156 | Argument COMMAND-NAME unique key of command from docker-cli-command-alist. 157 | Argument CONTAINER name of the target Docker container." 158 | (let* ((curr-command (cdr (assoc (intern command-name) docker-cli-commands-alist))) 159 | (params (if (plist-get curr-command :arguments-compose-func) 160 | (apply (plist-get curr-command :arguments-compose-func) nil)))) 161 | (setq docker-cli-prompt-regexp (or (plist-get curr-command :prompt-regexp) "")) 162 | (setq docker-cli-prompt-cont-regexp (or (plist-get curr-command :prompt-cont-regexp) "")) 163 | (setq params (cons (plist-get curr-command :command) (or params '()))) 164 | (setq params (cons container params)) 165 | (if (plist-get curr-command :exec-arguments-func) 166 | (setq params (append (apply (plist-get curr-command :exec-arguments-func) nil) params)) 167 | (setq params (append docker-cli-exec-arguments params))))) 168 | 169 | (defun docker-cli () 170 | "Run an inferior instance of `docker' inside Emacs." 171 | (interactive) 172 | (let* ((curr-command-name (completing-read 173 | "Command: " 174 | (mapcar 'symbol-name (mapcar 'car docker-cli-commands-alist)) nil t)) 175 | (container (completing-read 176 | "Container: " 177 | (split-string (shell-command-to-string "docker ps --format '{{.Names}}'")) nil t)) 178 | (buffer-name) 179 | (buffer)) 180 | 181 | (if (and (not (string= "" curr-command-name)) (not (string= "" container))) 182 | (progn 183 | (setq buffer-name (format "%s-%s" container curr-command-name)) 184 | (setq buffer (get-buffer-create (format "*%s*" buffer-name))) 185 | (pop-to-buffer-same-window buffer) 186 | 187 | ;; create the comint process 188 | (unless (comint-check-proc buffer) 189 | (apply 'make-comint-in-buffer buffer-name buffer 190 | docker-cli-cmd nil (docker-cli-compose-params-for curr-command-name container))) 191 | (docker-cli-mode))))) 192 | 193 | (defun docker-cli--initialize () 194 | "Helper function to initialize Docker." 195 | (setq comint-process-echoes t) 196 | (setq comint-use-prompt-regexp t)) 197 | 198 | (define-derived-mode docker-cli-mode comint-mode "Docker" 199 | "Major mode for running commands in Docker containers. 200 | 201 | \\" 202 | ;; this sets up the prompt so it matches things like: [foo@bar] 203 | (setq comint-prompt-regexp 204 | (if docker-cli-prompt-cont-regexp 205 | (concat "\\(" docker-cli-prompt-regexp 206 | "\\|" docker-cli-prompt-cont-regexp "\\)") 207 | docker-cli-prompt-regexp)) 208 | ;; this makes it read only; a contentious subject as some prefer the 209 | ;; buffer to be overwritable. 210 | (setq comint-prompt-read-only t) 211 | ;; this makes it so commands like M-{ and M-} work. 212 | (set (make-local-variable 'paragraph-separate) "\\'") 213 | (set (make-local-variable 'paragraph-start) docker-cli-prompt-regexp)) 214 | 215 | ;; this has to be done in a hook. grumble grumble. 216 | (add-hook 'docker-cli-mode-hook 'docker-cli--initialize) 217 | 218 | (provide 'docker-cli) 219 | 220 | ;;; docker-cli.el ends here 221 | --------------------------------------------------------------------------------