Add file systems

cgi-bin/malp.rb

@@ -7,6 +7,18 @@ require "json"
 require "securerandom"
 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")
 DATA_DIR = File.join(__dir__, "../data")
 SESSIONS_FILE = File.join(DATA_DIR, "sessions.txt")
@@ -145,9 +157,14 @@ if cgi.params.key?("content")
       stats
     end
 
-    info.each do |entry|
-      case entry["type"]
-      when "drive"
+    drives = info.select { |e| e["type"] == "drive" }
+    filesystems = info.select { |e| e["type"] == "filesystem" }
+
+    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"]
         name = CGI.escapeHTML(entry["name"].to_s)
         model = CGI.escapeHTML(entry["model"])
@@ -169,7 +186,7 @@ if cgi.params.key?("content")
         title = name.empty? ? model : "#{name} · #{model}"
 
         html << <<~HTML
-          <div class="card #{card_cls} span-2">
+          <div class="card #{card_cls}">
             <div class="card-header">
               <span class="card-title">#{title} <span class="card-capacity">#{capacity}</span> <span class="drive-type #{dt}">#{dt.upcase}</span></span>
             </div>
@@ -177,6 +194,42 @@ if cgi.params.key?("content")
           </div>
         HTML
       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
 
     cgi.out("type" => "text/html", "charset" => "UTF-8") do