Add process view

test/processes-collector.test.js

@@ -4,6 +4,10 @@ import { isProcessCollectorEnabled, listProcStats } from '../server/services/col
 test('isProcessCollectorEnabled', (t) => {
   const prev = process.env.PEARDATA_PROCESSES
   delete process.env.PEARDATA_PROCESSES
+  // Default on for Linux hosts
+  if (process.platform === 'linux') t.ok(isProcessCollectorEnabled())
+  else t.absent(isProcessCollectorEnabled())
+  process.env.PEARDATA_PROCESSES = '0'
   t.absent(isProcessCollectorEnabled())
   process.env.PEARDATA_PROCESSES = '1'
   t.ok(isProcessCollectorEnabled())

test/processes.test.js

@@ -0,0 +1,105 @@
+import test from 'brittle'
+import {
+  parseProcStat,
+  parseProcStatus,
+  processMatchesQuery,
+  processMatchesFilter,
+  sortProcesses,
+  listProcesses,
+  _resetProcessMonitorForTests,
+} from '../server/services/processes.js'
+import { validateMethodArgs } from '../shared/schema.js'
+import { isProcessCollectorEnabled } from '../server/services/collectors/processes.js'
+
+test('parseProcStat extracts comm and counters', (t) => {
+  const raw =
+    '1 (systemd) S 0 1 1 0 -1 4194560 123 0 0 0 10 20 0 0 20 0 1 0 12345 1000000 100 18446744073709551615 1 1 0 0 0 0 0 0 0 0 0 0 17 0 0 0 0 0 0 0 0 0 0 0 0 0 0'
+  const st = parseProcStat(raw)
+  t.ok(st)
+  t.is(st.name, 'systemd')
+  t.is(st.state, 'S')
+  t.is(st.ppid, 0)
+  t.is(st.utime, 10)
+  t.is(st.stime, 20)
+})
+
+test('parseProcStatus reads uid and threads', (t) => {
+  const s = parseProcStatus('Name:\tfoo\nUid:\t1000\t1000\t1000\t1000\nThreads:\t4\nVmRSS:\t2048 kB\n')
+  t.is(s.uid, 1000)
+  t.is(s.threads, 4)
+  t.is(s.vmRssKb, 2048)
+})
+
+test('process filter + query helpers', (t) => {
+  const row = {
+    pid: 42,
+    name: 'nginx',
+    cmdline: '/usr/sbin/nginx -g daemon',
+    user: 'www',
+    stateLabel: 'running',
+    cpu: 12,
+    mem: 200,
+    io: 3,
+    kernel: false,
+  }
+  t.ok(processMatchesQuery(row, 'nginx'))
+  t.ok(processMatchesQuery(row, '42'))
+  t.absent(processMatchesQuery(row, 'postgres'))
+  t.ok(processMatchesFilter(row, 'running'))
+  t.ok(processMatchesFilter(row, 'highcpu'))
+  t.ok(processMatchesFilter(row, 'highmem'))
+  t.ok(processMatchesFilter(row, 'user'))
+  t.absent(processMatchesFilter(row, 'zombie'))
+})
+
+test('sortProcesses orders by cpu desc', (t) => {
+  const rows = [
+    { pid: 1, name: 'a', cpu: 1, mem: 9 },
+    { pid: 2, name: 'b', cpu: 9, mem: 1 },
+  ]
+  const sorted = sortProcesses(rows, 'cpu', 'desc')
+  t.is(sorted[0].pid, 2)
+  t.is(sortProcesses(rows, 'rss', 'desc')[0].pid, 1)
+})
+
+test('validateMethodArgs listProcesses', (t) => {
+  const ok = validateMethodArgs('listProcesses', { sort: 'cpu', limit: 50 })
+  t.ok(ok.ok)
+  t.is(ok.args.sort, 'cpu')
+  const bad = validateMethodArgs('listProcesses', { sort: 'nope' })
+  t.absent(bad.ok)
+})
+
+test('listProcesses returns shape', (t) => {
+  _resetProcessMonitorForTests()
+  const res = listProcesses({ limit: 20, sort: 'cpu' })
+  t.ok(res.ok)
+  t.ok(res.summary)
+  t.ok(Array.isArray(res.processes))
+  if (process.platform === 'linux') {
+    t.ok(res.supported)
+    t.ok(res.summary.total > 0)
+    // Second call should populate CPU rates after prev sample
+    _resetProcessMonitorForTests()
+    listProcesses({ limit: 5 })
+    const again = listProcesses({ limit: 5 })
+    t.ok(again.processes.length > 0)
+    t.ok(again.processes[0].pid > 0)
+    t.ok(again.processes[0].name)
+  } else {
+    t.absent(res.supported)
+  }
+})
+
+test('isProcessCollectorEnabled defaults on linux', (t) => {
+  const prev = process.env.PEARDATA_PROCESSES
+  delete process.env.PEARDATA_PROCESSES
+  if (process.platform === 'linux') t.ok(isProcessCollectorEnabled())
+  else t.absent(isProcessCollectorEnabled())
+  process.env.PEARDATA_PROCESSES = '0'
+  t.absent(isProcessCollectorEnabled())
+  process.env.PEARDATA_PROCESSES = '1'
+  t.ok(isProcessCollectorEnabled())
+  if (prev == null) delete process.env.PEARDATA_PROCESSES
+  else process.env.PEARDATA_PROCESSES = prev
+})

test/protocol.test.js

@@ -41,6 +41,7 @@ test('method roles cover monitoring surface', (t) => {
     'listChildPeers',
     'getWeights',
     'queryLogs',
+    'listProcesses',
     'getStorageInfo',
     'getRetentionConfig',
     'setRetentionConfig',