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ec2-transient-instances.el
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;;; ec2-transient-launch.el -*- lexical-binding: t; -*-
;; Copyright (C) 2022 Samuel Thomas
;;; Code:
(require 'dash)
(require 'deferred)
(require 'transient)
(require 'tmux)
(require 'ec2-faces)
(require 'ec2-table)
(require 'ec2-cli)
(require 'ec2-transient-utils)
(require 'ec2-render)
(defun ec2/start (&optional _)
(interactive
(list (transient-args 'ec2/instances-transient)))
(let* ((cmd (list "ec2" "start-instances" "--instance-id" (ec2/get-col (point) "Id"))))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/render))))))
(defun ec2/stop (&optional _)
(interactive
(list (transient-args 'ec2/instances-transient)))
(let* ((cmd (list "ec2" "stop-instances" "--instance-id" (ec2/get-col (point) "Id"))))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/render))))))
(defun ec2/reboot (&optional _)
(interactive
(list (transient-args 'ec2/instances-transient)))
(let* ((cmd (list "ec2" "reboot-instances" "--instance-id" (ec2/get-col (point) "Id"))))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/render)))
(deferred:error it (lambda (err)
(setq ec2/last-error-message err)
(ec2/render))))))
(defun ec2/terminate (&optional _)
(interactive
(list (transient-args 'ec2/instances-transient)))
(when (y-or-n-p "Are you sure you want to terminate? ")
(let* ((cmd (list "ec2" "terminate-instances" "--instance-id" (ec2/get-col (point) "Id"))))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/render)))))))
(defun ec2/associate-ip (&optional args)
(interactive
(list (transient-args 'ec2/assign-ip-address)))
(let* ((cmd (list "ec2" "associate-address"
"--instance-id" (ec2/get-col (point) "Id")))
(cmd (append cmd args)))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/render))))))
(defun ec2/ssh-into-instance (&optional pt)
(interactive "d")
(let* ((ssh-addr (ec2/get-col pt "Ip Address"))
(default-directory (format "/ssh:ubuntu@%s:~" ssh-addr))
(tramp-connection-timeout 10)
(eshell-buffer-name (format "*ec2:ssh eshell:%s*" ssh-addr))
(n-esh-bufs (length
(--filter
(equal 'eshell-mode (with-current-buffer it major-mode))
(buffer-list)))))
(eshell n-esh-bufs)))
(defun ec2/open-dired (&optional pt)
(interactive "d")
(let* ((ssh-addr (ec2/get-col pt "Ip Address"))
(target-directory (format "/ssh:ubuntu@%s:~" ssh-addr))
(tramp-connection-timeout 10))
(dired target-directory)))
(defun ec2/ssh-ansi-term (&optional pt)
(interactive "d")
(let* ((ssh-addr (ec2/get-col pt "Ip Address"))
(ssh-cmd
(format "ssh -o StrictHostKeyChecking=no ubuntu@%s\n" ssh-addr))
(ansi-term-buffer-name (format "ansi-term:%s" ssh-addr)))
(if (get-buffer (concat "*" ansi-term-buffer-name "*"))
(switch-to-buffer (concat "*" ansi-term-buffer-name "*"))
(progn
(ansi-term "/bin/zsh" ansi-term-buffer-name)
(comint-send-string (concat "*" ansi-term-buffer-name "*") ssh-cmd)))))
(defun ec2/remote-command (&optional pt)
(interactive "d")
(let* ((ssh-addr (ec2/get-col pt "Ip Address"))
(cmd-to-run (read-string "Command: "))
(ssh-cmd
(format "ssh -o StrictHostKeyChecking=no ubuntu@%s %s" ssh-addr cmd-to-run)))
(shell-command ssh-cmd)))
(defun ec2/tmux-session (&optional pt)
(interactive "d")
(let* ((ssh-addr (ec2/get-col pt "Ip Address"))
(name (format "*tmux-%s*" ssh-addr)))
(if (get-buffer name)
(switch-to-buffer (get-buffer name))
(with-current-buffer (get-buffer-create name)
(tmux-session-mode)
(setq-local buffer-read-only 'nil)
(insert "-= Beginning =-\n")
(insert (format "addr: ubuntu@%s" ssh-addr))
(setq-local buffer-read-only t)
(setq-local tmux-ssh-addr ssh-addr)
(setq-local tmux-ssh-hostname "ubuntu")
(tmux/startup)
(switch-to-buffer (current-buffer))))))
(defun ec2/resource-usage (&optional pt)
(interactive "d")
(let* ((ssh-addr (ec2/get-col pt "Ip Address"))
(res (shell-command-to-string
(format "ssh -o StrictHostKeyChecking=no ubuntu@%s free -gh" ssh-addr))))
(message "%s" res)))
(defun ec2/name-instance (&optional pt)
(interactive "d")
(let* ((instance-id (ec2/get-col pt "Id"))
(name (read-string "Name: "))
(cmd (list "ec2" "create-tags" "--resources" instance-id
"--tags" (format "Key=Name,Value=%s" name))))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/update-table (ec2/get-table-by-id "Instances"))))
(deferred:nextc it (lambda (_) (ec2/render))))))
(defun ec2/external-console (&optional pt)
(interactive "d")
(let* ((instance-id (ec2/get-col pt "Id"))
(region
(if (ec2/table-data ec2/region--table)
(s-trim (ec2/table-data ec2/region--table))
"us-east-2"))
(console-url
(s-join "/"
(list
(format "https://%s.console.aws.amazon.com" region)
"ec2"
(format "home?region=%s#InstanceDetails:instanceId=%s"
region
instance-id)))))
(browse-url console-url)))
(defun ec2/get-addresses (_ _ _)
(--map (nth 1 it) (ec2/table-data ec2/addresses--table)))
(defclass ec2/table-option--address (transient-option)
((ignored :initarg :ignored)))
(transient-define-infix ec2/assign-ip-address:--address ()
:class 'ec2/table-option--address
:description "Elastic IPs"
:key "p"
:argument "--public-ip="
:init-value (-cut ec2/transient-init-from-history 'ec2/assign-ip-address:--address <>)
:prompt "Elastic Ip: "
:choices 'ec2/get-addresses
:always-read t)
(transient-define-prefix ec2/assign-ip-address ()
"Assign IP Address to an Instance"
[:description (lambda () (let ((p (point)))
(format "Managing instance: %s" (ec2/get-col p "Id"))))
["ElasticIP"
(ec2/assign-ip-address:--address)]
["Action"
("a" "Assign" ec2/associate-ip)
("q" "Quit" transient-quit-one)]])
(defun ec2/make-ami (&optional _)
(interactive
(list (transient-args 'ec2/instances-transient)))
(let* ((name (read-string "Name: "))
(description (read-string "Description: "))
(cmd (list "ec2" "create-image" "--instance-id" (ec2/get-col (point) "Id")
"--name" name
"--description" description
"--no-reboot")))
(deferred:$
(deferred:next
(lambda () (ec2/run-cmd-async cmd)))
(deferred:nextc it
(lambda (_) (ec2/render))))))
(defun ec2/--instance-state-is? (state)
(equal (string-trim (ec2/get-col (point) "State"))
state))
(transient-define-prefix ec2/instances-transient ()
"Manage Instance State"
[:description (lambda () (let ((p (point)))
(concat (propertize "Managing instance: "
'face 'transient-heading)
(propertize (format "%s"
(ec2/get-col p "Id"))
'face 'default))))
["State"
("S" "Start" ec2/start
:if (lambda () (or (ec2/--instance-state-is? "stopped")
(ec2/--instance-state-is? "stopping"))))
("S" "Stop" ec2/stop
:if (lambda () (ec2/--instance-state-is? "running")))
("R" "Reboot" ec2/reboot
:if (lambda () (ec2/--instance-state-is? "running")))
("T" "Terminate" ec2/terminate
:if (lambda () (or (ec2/--instance-state-is? "running")
(ec2/--instance-state-is? "stopped"))))]
["Metadata"
("m" "Make AMI" ec2/make-ami
:if (lambda () (ec2/--instance-state-is? "running")))
("i" "Assign IP Address" ec2/assign-ip-address
:if (lambda () (ec2/--instance-state-is? "running")))
("r" "Resource Usage" ec2/resource-usage
:if (lambda () (ec2/--instance-state-is? "running")))
("n" "Name" ec2/name-instance)]
["Interact"
("e" "Eshell" ec2/ssh-into-instance
:if (lambda () (ec2/--instance-state-is? "running")))
("d" "Dired" ec2/open-dired
:if (lambda () (ec2/--instance-state-is? "running")))
("a" "Ansi-term" ec2/ssh-ansi-term
:if (lambda () (ec2/--instance-state-is? "running")))
("!" "Command" ec2/remote-command
:if (lambda () (ec2/--instance-state-is? "running")))
("s" "Tmux Session" ec2/tmux-session
:if (lambda () (ec2/--instance-state-is? "running")))
("x" "Web Console" ec2/external-console)]
["Quit"
("q" "Quit" transient-quit-one)]])
(provide 'ec2-transient-instances)
;;; ec2-transient-launch.el ends here