diff --git a/.gitignore b/.gitignore index 89517f33..6bdc5ba7 100644 --- a/.gitignore +++ b/.gitignore @@ -7,5 +7,5 @@ prepare-vms/ips.pdf prepare-vms/settings.yaml prepare-vms/tags slides/*.yml.html -slides/state.yaml +slides/autopilot/state.yaml node_modules diff --git a/README.md b/README.md index 79b5c754..59eeb0d2 100644 --- a/README.md +++ b/README.md @@ -43,7 +43,7 @@ because they have a few things in common: (and updated) identically between different decks; - a [build system](slides/) generating HTML slides from Markdown source files; -- a [semi-automated test harness](slides/autotest.py) to check +- a [semi-automated test harness](slides/autopilot/) to check that the exercises and examples provided work properly; - a [PhantomJS script](slides/slidechecker.js) to check that the slides look good and don't have formatting issues; diff --git a/slides/autotest.py b/slides/autopilot/autotest.py similarity index 83% rename from slides/autotest.py rename to slides/autopilot/autotest.py index 776f15a6..152d83d5 100755 --- a/slides/autotest.py +++ b/slides/autopilot/autotest.py @@ -43,9 +43,6 @@ class State(object): next_step=self.next_step), f, default_flow_style=False) -state = State() - - def hrule(): return "="*int(subprocess.check_output(["tput", "cols"])) @@ -99,46 +96,56 @@ class Slide(object): def debug(self): logging.debug("\n{}\n{}\n{}".format(hrule(), self.content, hrule())) - -# Synchronize the slide currently tested with an external browser -class Tracker(object): +# Synchronize slides in a remote browser +class Remote(object): def __init__(self): - self.slide_on_screen = None - + self.slide_on_screen = 0 + # Directly go to a specific slide def goto(self, slide_number): subprocess.check_call(["./gotoslide.js", str(slide_number)]) self.slide_on_screen = slide_number - - # Advance by one slide - def advance(self): - self.goto(self.slide_on_screen+1) + focus_slides() # Offer the opportunity to go step by step to the given slide def catchup(self, slide_number): - if self.slide_on_screen == slide_number: - return - if self.slide_on_screen == None: - return self.goto(slide_number) if self.slide_on_screen > slide_number: return self.goto(slide_number) while self.slide_on_screen < slide_number: if state.interactive: print("Catching up on slide: {} -> {}" .format(self.slide_on_screen, slide_number)) - print("z Zoom to target slide") - print("⎵ Advance by one slide") + print("z/⏎ Zoom to target slide") + print("n/→/⎵ Next slide") + print("p/← Previous slide") + print("q Abort remote control") command = click.getchar() else: command = "z" - if command == "z": + if command in ("z", "\r"): self.goto(slide_number) - elif command == " ": - self.advance() + elif command in ("n", "\x1b[C", " "): + self.goto(self.slide_on_screen+1) + elif command in ("p", "\x1b[D"): + self.goto(self.slide_on_screen-1) + elif command == "q": + return -tracker = Tracker() +def focus_slides(): + subprocess.check_call(["i3-msg", "workspace", "3"]) + subprocess.check_call(["i3-msg", "workspace", "1"]) + time.sleep(1) + +def focus_terminal(): + subprocess.check_call(["i3-msg", "workspace", "2"]) + subprocess.check_call(["i3-msg", "workspace", "1"]) + time.sleep(1) + + +remote = Remote() +state = State() def ansi(code): @@ -212,9 +219,19 @@ def setup_tmux_and_ssh(): slides = [] content = open(sys.argv[1]).read() + +# OK, this part is definitely hackish, and will break if the +# excludedClasses parameter is not on a single line. +excluded_classes = re.findall("excludedClasses: (\[.*\])", content) +excluded_classes = set(eval(excluded_classes[0])) + for slide in re.split("\n---?\n", content): - # FIXME: hack: do not add slides from the 'in-person' deck - if re.search("class:.*in-person", slide): + slide_classes = re.findall("class: (.*)", slide) + if slide_classes: + slide_classes = slide_classes[0].split(",") + slide_classes = [c.strip() for c in slide_classes] + if excluded_classes & set(slide_classes): + logging.info("Skipping excluded slide.") continue slides.append(Slide(slide)) @@ -237,13 +254,17 @@ def send_keys(data): for key in data: if key == ";": key = "\\;" + if key == "\n": + time.sleep(1) subprocess.check_call(["tmux", "send-keys", key]) - time.sleep(0.1*random.random()) + time.sleep(0.2*random.random()) + if key == "\n": + time.sleep(1) else: subprocess.check_call(["tmux", "send-keys", data]) def capture_pane(): - return subprocess.check_output(["tmux", "capture-pane", "-p"]) + return subprocess.check_output(["tmux", "capture-pane", "-p"]).decode('utf-8') setup_tmux_and_ssh() @@ -269,20 +290,20 @@ while state.next_step < len(actions): # Remove extra spaces (we don't want them in the terminal) and carriage returns data = data.strip() - tracker.catchup(slide.number) + # Synchronize the remote slides + remote.catchup(slide.number) print(hrule()) print(slide.content.replace(snippet.content, ansi(7)(snippet.content))) print(hrule()) - print(slide.number) if state.interactive: print("simulate_type:{} verify_status:{}".format(state.simulate_type, state.verify_status)) print("[{}/{}] Shall we execute that snippet above?".format(state.next_step, len(actions))) - print("y/⏎/→ Execute snippet") + print("y/⎵/⏎ Execute snippet") print("p/← Previous snippet") - print("s Skip snippet") - print("t Toggle typist simulation") - print("v Toggle verification of exit status") + print("n/→ Next snippet") + print("s Simulate keystrokes") + print("v Validate exit status") print("g Go to a specific snippet") print("q Quit") print("c Continue non-interactively until next error") @@ -296,24 +317,26 @@ while state.next_step < len(actions): logging.info("Stripping ` from snippet.") data = data.replace('`', '') - if command == "s": + if command in ("n", "\x1b[C"): state.next_step += 1 elif command in ("p", "\x1b[D"): state.next_step -= 1 - elif command == "t": + elif command == "s": state.simulate_type = not state.simulate_type elif command == "v": state.verify_status = not state.verify_status elif command == "g": state.next_step = click.prompt("Enter snippet number", type=int) + # Special case: if we go to snippet 0, also reset the slides deck if state.next_step == 0: - tracker.catchup(0) + remote.goto(1) elif command == "q": break elif command == "c": # continue until next timeout state.interactive = False - elif command in ("y", "\r", " ", "\x1b[C"): + elif command in ("y", "\r", " "): + focus_terminal() logging.info("Running with method {}: {}".format(method, data)) if method == "keys": send_keys(data) diff --git a/slides/autopilot/gotoslide.js b/slides/autopilot/gotoslide.js new file mode 100755 index 00000000..4728b2d1 --- /dev/null +++ b/slides/autopilot/gotoslide.js @@ -0,0 +1,17 @@ +#!/usr/bin/env node + +/* Expects a slide number as first argument. + * Will connect to the local pub/sub server, + * and issue a "go to slide X" command, which + * will be sent to all connected browsers. + */ + +var io = require('socket.io-client'); +var socket = io('http://localhost:3000'); +socket.on('connect_error', function(){ + console.log('connection error'); + socket.close(); +}); +socket.emit('slide change', process.argv[2], function(){ + socket.close(); +}); diff --git a/slides/autopilot/package-lock.json b/slides/autopilot/package-lock.json new file mode 100644 index 00000000..a709ddbe --- /dev/null +++ b/slides/autopilot/package-lock.json @@ -0,0 +1,603 @@ +{ + "name": "container-training-pub-sub-server", + "version": "0.0.1", + "lockfileVersion": 1, + "requires": true, + "dependencies": { + "accepts": { + "version": "1.3.4", + "resolved": "https://registry.npmjs.org/accepts/-/accepts-1.3.4.tgz", + "integrity": "sha1-hiRnWMfdbSGmR0/whKR0DsBesh8=", + "requires": { + "mime-types": "2.1.17", + "negotiator": "0.6.1" + } + }, + "after": { + "version": "0.8.2", + "resolved": "https://registry.npmjs.org/after/-/after-0.8.2.tgz", + "integrity": "sha1-/ts5T58OAqqXaOcCvaI7UF+ufh8=" + }, + "array-flatten": { + "version": "1.1.1", + "resolved": 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workshop HTML file. + * It sets up callbacks to synchronize the local slide + * number with the remote pub/sub server. + */ + +var socket = io(); +var leader = true; + +slideshow.on('showSlide', function (slide) { + if (leader) { + var n = slide.getSlideIndex()+1; + socket.emit('slide change', n); + } +}); + +socket.on('slide change', function (n) { + leader = false; + slideshow.gotoSlide(n); + leader = true; +}); + diff --git a/slides/autopilot/server.js b/slides/autopilot/server.js new file mode 100755 index 00000000..6186dd2d --- /dev/null +++ b/slides/autopilot/server.js @@ -0,0 +1,41 @@ +#!/usr/bin/env node + +/* This is a very simple pub/sub server, allowing to + * remote control browsers displaying the slides. + * The browsers connect to this pub/sub server using + * Socket.IO, and the server tells them which slides + * to display. + * + * The server can be controlled with a little CLI, + * or by one of the browsers. + */ + +var express = require('express'); +var app = express(); +var http = require('http').Server(app); +var io = require('socket.io')(http); + +app.get('/', function(req, res){ + res.send('container.training autopilot pub/sub server'); +}); + +/* Serve remote.js from the current directory */ +app.use(express.static('.')); + +/* Serve slides etc. from current and the parent directory */ +app.use(express.static('..')); + +io.on('connection', function(socket){ + console.log('a client connected: ' + socket.handshake.address); + socket.on('slide change', function(n, ack){ + console.log('slide change: ' + n); + socket.broadcast.emit('slide change', n); + if (typeof ack === 'function') { + ack(); + } + }); +}); + +http.listen(3000, function(){ + console.log('listening on *:3000'); +}); diff --git a/slides/autopilot/tmux-style.sh b/slides/autopilot/tmux-style.sh new file mode 100755 index 00000000..5bb65130 --- /dev/null +++ b/slides/autopilot/tmux-style.sh @@ -0,0 +1,7 @@ +#!/bin/sh +# This removes the clock (and other extraneous stuff) from the +# tmux status bar, and it gives it a non-default color. +tmux set-option -g status-left "" +tmux set-option -g status-right "" +tmux set-option -g status-style bg=cyan + diff --git a/slides/gotoslide.js b/slides/gotoslide.js deleted file mode 100755 index e711b593..00000000 --- a/slides/gotoslide.js +++ /dev/null @@ -1,6 +0,0 @@ -#!/usr/bin/env node -var io = require('socket.io-client'); -var socket = io('http://localhost:3000'); -socket.emit('slide change', process.argv[2], function () { - socket.close(); -}); diff --git a/slides/pubsub.js b/slides/pubsub.js deleted file mode 100755 index 36ebe23e..00000000 --- a/slides/pubsub.js +++ /dev/null @@ -1,26 +0,0 @@ -#!/usr/bin/env node -var express = require('express'); -var app = express(); -var http = require('http').Server(app); -var io = require('socket.io')(http); - -app.get('/', function(req, res){ - res.send('

Hello world

'); -}); - -app.use(express.static('.')); - -io.on('connection', function(socket){ - console.log('a client connected'); - socket.on('slide change', function(n, ack){ - console.log('slide change: ' + n); - socket.broadcast.emit('slide change', n); - if (typeof ack === 'function') { - ack(); - } - }); -}); - -http.listen(3000, function(){ - console.log('listening on *:3000'); -}); diff --git a/slides/workshop.html b/slides/workshop.html index cc8f4ca3..ffb378ce 100644 --- a/slides/workshop.html +++ b/slides/workshop.html @@ -32,22 +32,14 @@ }); + -