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Add file systems

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This commit is contained in:
Josh Holtrop 2026-04-13 23:04:21 -04:00
parent a282debfbd
commit 1e87b08b54
3 changed files with 100 additions and 4 deletions
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6
assets/page.erb
View File

@ -367,6 +367,12 @@
margin: 1.5rem 0 0.5rem; margin: 1.5rem 0 0.5rem;
grid-column: 1 / -1; grid-column: 1 / -1;
} }
.stack {
display: flex;
flex-direction: column;
gap: 1rem;
}
</style> </style>
</head> </head>
<body> <body>

37
bin/malpd
View File

@ -63,6 +63,41 @@ def read_smart(name)
result result
end end
def read_filesystems
out = `findmnt -J -b -o SOURCE,TARGET,FSTYPE,SIZE,USED 2>/dev/null`
return [] if out.empty?
data = JSON.parse(out) rescue nil
return [] unless data
skip_fstypes = %w[tmpfs devtmpfs efivarfs]
result = []
seen = {}
stack = Array(data["filesystems"]).dup
until stack.empty?
node = stack.shift
stack.concat(node["children"]) if node["children"]
source = node["source"].to_s
fstype = node["fstype"].to_s
target = node["target"].to_s
next unless source.start_with?("/dev/")
next if skip_fstypes.include?(fstype)
size = node["size"].to_i
next if size <= 0
key = [source, target]
next if seen[key]
seen[key] = true
result << {
"type" => "filesystem",
"source" => source,
"mount" => target,
"fstype" => fstype,
"size" => size,
"used" => node["used"].to_i
}
end
result
end
def handle_info(conn) def handle_info(conn)
info = [] info = []
@ -89,6 +124,8 @@ def handle_info(conn)
info << entry info << entry
end end
info.concat(read_filesystems)
if conn if conn
conn.puts JSON.generate(info) conn.puts JSON.generate(info)
else else

61
cgi-bin/malp.rb
View File

@ -7,6 +7,18 @@ require "json"
require "securerandom" require "securerandom"
require "socket" require "socket"
def human_capacity(bytes)
units = ["B", "KB", "MB", "GB", "TB", "PB"]
i = 0
size = bytes.to_f
while size >= 1000 && i < units.length - 1
size /= 1000
i += 1
end
precision = i <= 3 ? 0 : 1
"%g %s" % [size.round(precision), units[i]]
end
ASSETS_DIR = File.join(__dir__, "../assets") ASSETS_DIR = File.join(__dir__, "../assets")
DATA_DIR = File.join(__dir__, "../data") DATA_DIR = File.join(__dir__, "../data")
SESSIONS_FILE = File.join(DATA_DIR, "sessions.txt") SESSIONS_FILE = File.join(DATA_DIR, "sessions.txt")
@ -145,9 +157,14 @@ if cgi.params.key?("content")
stats stats
end end
info.each do |entry| drives = info.select { |e| e["type"] == "drive" }
case entry["type"] filesystems = info.select { |e| e["type"] == "filesystem" }
when "drive"
if drives.any?
html << %(<div class="span-2">)
html << %(<div class="section-label">Storage Drives</div>)
html << %(<div class="stack">)
drives.each do |entry|
dt = entry["drivetype"] dt = entry["drivetype"]
name = CGI.escapeHTML(entry["name"].to_s) name = CGI.escapeHTML(entry["name"].to_s)
model = CGI.escapeHTML(entry["model"]) model = CGI.escapeHTML(entry["model"])
@ -169,7 +186,7 @@ if cgi.params.key?("content")
title = name.empty? ? model : "#{name} · #{model}" title = name.empty? ? model : "#{name} · #{model}"
html << <<~HTML html << <<~HTML
<div class="card #{card_cls} span-2"> <div class="card #{card_cls}">
<div class="card-header"> <div class="card-header">
<span class="card-title">#{title} <span class="card-capacity">#{capacity}</span> <span class="drive-type #{dt}">#{dt.upcase}</span></span> <span class="card-title">#{title} <span class="card-capacity">#{capacity}</span> <span class="drive-type #{dt}">#{dt.upcase}</span></span>
</div> </div>
@ -177,6 +194,42 @@ if cgi.params.key?("content")
</div> </div>
HTML HTML
end end
html << %(</div>)
html << %(</div>)
end
if filesystems.any?
html << %(<div>)
html << %(<div class="section-label">File Systems</div>)
html << %(<div class="stack">)
filesystems.each do |entry|
mount = CGI.escapeHTML(entry["mount"].to_s)
source = CGI.escapeHTML(entry["source"].to_s)
fstype = CGI.escapeHTML(entry["fstype"].to_s)
size_b = entry["size"].to_i
used_b = entry["used"].to_i
pct_f = size_b > 0 ? (used_b * 100.0 / size_b) : 0.0
pct = pct_f.round
cls = pct_f >= 90 ? "bad" : pct_f >= 75 ? "warn" : "ok"
used_h = CGI.escapeHTML(human_capacity(used_b))
size_h = CGI.escapeHTML(human_capacity(size_b))
html << <<~HTML
<div class="card #{cls}">
<div class="card-header">
<span class="card-title">#{mount} <span class="card-capacity">#{fstype}</span></span>
<span class="badge #{cls}">#{pct}%</span>
</div>
<div style="display:flex;justify-content:space-between;align-items:center;margin-top:0.5rem;margin-bottom:0.3rem;">
<span style="font-size:0.72rem;color:#64748b;font-weight:600;">#{source}</span>
<span class="subitem-value #{cls}">#{used_h} / #{size_h}</span>
</div>
<div class="bar-track" style="height:6px;"><div class="bar-fill #{cls}" style="width:#{pct}%"></div></div>
</div>
HTML
end
html << %(</div>)
html << %(</div>)
end end
cgi.out("type" => "text/html", "charset" => "UTF-8") do cgi.out("type" => "text/html", "charset" => "UTF-8") do