2020-03-14 10:25:27 +00:00
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import docker
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import json
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import time
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import os
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2020-03-14 16:38:13 +00:00
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from itertools import groupby
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2020-03-14 10:25:27 +00:00
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2020-03-14 14:48:59 +00:00
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title = os.environ.get("DST_TITLE", "Docker Status")
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caption = os.environ.get("DST_CAPTION", 'Status page using <a href="https://git.wadza.fr/me/dst">dst</a>')
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path = os.environ.get("DST_PATH", "/data")
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2020-03-14 10:25:27 +00:00
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interval = int(os.environ.get("DST_INTERVAL", "30"))
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filter_label = os.environ.get("DST_FILTER_LABEL", False)
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filters = {}
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if filter_label:
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filters["label"] = filter_label
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name_label = os.environ.get("DST_NAME_LABEL", False)
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2020-03-14 16:38:13 +00:00
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group_label = os.environ.get("DST_GROUP_LABEL", False)
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2020-03-14 10:25:27 +00:00
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url_label = os.environ.get("DST_URL_LABEL", False)
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2020-03-14 16:38:13 +00:00
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css = 'body{padding:0;max-width:50em;margin:auto;background:#f2f2f2;box-shadow:0 0.5rem 1rem rgba(0, 0, 0, 0.2);font-family:-apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif, "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji"}.content{background:#fcfcfc;padding:1rem;text-align:center}footer,header{text-align:center}article{margin:1rem}h2{margin-bottom:0}section{margin-bottom:.5rem;border:1px #eee solid;border-radius:4px;background:white;display:flex;padding:0.5rem 1rem}section *{margin:0}h3{flex-grow:1;text-align:left}h3 a{text-decoration:none}section p{align-self:center}.health,.status{text-transform:capitalize;min-width:5em}.health::after,.status::after{font-size:1.5rem;vertical-align:middle}.health-none,.status-created,.status-paused{color:cornflowerblue}.health-healthy,.status-running{color:#7ED321}.health-healthy::after,.status-running::after{content:"\\2714"}.health-starting,.status-removing,.status-restarting{color:#ffbf00}.health-starting::after,.status-restarting::after{content:"\\21bb"}.status-removing::after{content:"\\21af"}.health-unhealthy,.status-dead,.status-exited{color:orangered}.health-unhealthy::after,.status-dead::after,.status-exited::after{content:"\\2718"}a{color:black}'
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2020-03-14 14:48:59 +00:00
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header = '<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><title>{0}</title><link rel="stylesheet" href="style.css"></head><body><div class="content"><header><h1>{0}</h1><h5>{1}</h5></header>'
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2020-03-14 16:38:13 +00:00
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article = '<article><h2>{}</h2>{}</article>'
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section = '<section><h3><a href="{1}">{0}</a></h3><p class="status status-{2}" title="{3}">{2}</p><p class="health health-{4}" title="{5}">{4}</p></section>'
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2020-03-14 14:48:59 +00:00
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footer = '<footer><a href="https://git.wadza.fr/me/dst">Docker Status</a></footer></div></body></html>'
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2020-03-14 10:25:27 +00:00
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client = docker.from_env()
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def formatContainer(container):
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state = container.attrs.get("State", {})
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health = state.get("Health", {})
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return {
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"name": container.labels.get(name_label, container.name),
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2020-03-14 16:38:13 +00:00
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"group": container.labels.get(group_label, ""),
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2020-03-14 14:48:59 +00:00
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"url": container.labels.get(url_label, ""),
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2020-03-14 10:25:27 +00:00
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"status": container.status,
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"start": state.get("StartedAt"),
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"stop": state.get("FinishedAt"),
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"health": {
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"status": health.get("Status", "none"),
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"fails": health.get("FailingStreak", 0)
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}
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}
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2020-03-14 16:38:13 +00:00
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def byGroup(l):
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return l.get("group")
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2020-03-14 10:25:27 +00:00
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def loop():
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while True:
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try:
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report = list(
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map(formatContainer,
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client.containers.list(all=True, filters=filters)))
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2020-03-14 14:48:59 +00:00
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with open(path + "/style.css", 'w') as outfile:
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outfile.write(css)
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with open(path + "/status.json", 'w') as outfile:
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2020-03-14 10:25:27 +00:00
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json.dump(report, outfile)
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2020-03-14 14:48:59 +00:00
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with open(path + "/index.html", 'w') as outfile:
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outfile.write(header.format(title, caption))
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2020-03-14 16:38:13 +00:00
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for (g, ls) in groupby(sorted(report, key=byGroup), key=byGroup):
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content = map(lambda l: section.format(
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2020-03-14 14:48:59 +00:00
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l.get("name"), l.get("url"), l.get("status"),
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l.get("stop") if l.get("status") in ["exited", "dead"] else l.get("start"),
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2020-03-14 16:38:13 +00:00
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l.get("health").get("status"), l.get("health").get("fails")), ls)
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outfile.write(article.format(g, ''.join(content)))
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2020-03-14 14:48:59 +00:00
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outfile.write(footer)
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2020-03-14 10:25:27 +00:00
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except docker.errors.NotFound:
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print('Container bad move. Restarting.')
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time.sleep(interval)
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try:
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loop()
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except KeyboardInterrupt:
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print('\n\nKeyboard exception received. Exiting.')
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exit()
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