swarm: ctx propagation; bmt fixes; pss generic notification framework (#17150)

* cmd/swarm: minor cli flag text adjustments

* swarm/api/http: sticky footer for swarm landing page using flex

* swarm/api/http: sticky footer for error pages and fix for multiple choices

* cmd/swarm, swarm/storage, swarm: fix  mingw on windows test issues

* cmd/swarm: update description of swarm cmd

* swarm: added network ID test

* cmd/swarm: support for smoke tests on the production swarm cluster

* cmd/swarm/swarm-smoke: simplify cluster logic as per suggestion

* swarm: propagate ctx to internal apis (#754)

* swarm/metrics: collect disk measurements

* swarm/bmt: fix io.Writer interface

  * Write now tolerates arbitrary variable buffers
  * added variable buffer tests
  * Write loop and finalise optimisation
  * refactor / rename
  * add tests for empty input

* swarm/pss: (UPDATE) Generic notifications package (#744)

swarm/pss: Generic package for creating pss notification svcs

* swarm: Adding context to more functions

* swarm/api: change colour of landing page in templates

* swarm/api: change landing page to react to enter keypress

1 files changed, 6 insertions, 0 deletions

diff --git a/metrics/metrics.go b/metrics/metrics.go
index 2356f2b14..2a2b804e7 100644
--- a/metrics/metrics.go
+++ b/metrics/metrics.go
@@ -58,11 +58,14 @@ func CollectProcessMetrics(refresh time.Duration) {
 	memPauses := GetOrRegisterMeter("system/memory/pauses", DefaultRegistry)
 
 	var diskReads, diskReadBytes, diskWrites, diskWriteBytes Meter
+	var diskReadBytesCounter, diskWriteBytesCounter Counter
 	if err := ReadDiskStats(diskstats[0]); err == nil {
 		diskReads = GetOrRegisterMeter("system/disk/readcount", DefaultRegistry)
 		diskReadBytes = GetOrRegisterMeter("system/disk/readdata", DefaultRegistry)
+		diskReadBytesCounter = GetOrRegisterCounter("system/disk/readbytes", DefaultRegistry)
 		diskWrites = GetOrRegisterMeter("system/disk/writecount", DefaultRegistry)
 		diskWriteBytes = GetOrRegisterMeter("system/disk/writedata", DefaultRegistry)
+		diskWriteBytesCounter = GetOrRegisterCounter("system/disk/writebytes", DefaultRegistry)
 	} else {
 		log.Debug("Failed to read disk metrics", "err", err)
 	}
@@ -82,6 +85,9 @@ func CollectProcessMetrics(refresh time.Duration) {
 			diskReadBytes.Mark(diskstats[location1].ReadBytes - diskstats[location2].ReadBytes)
 			diskWrites.Mark(diskstats[location1].WriteCount - diskstats[location2].WriteCount)
 			diskWriteBytes.Mark(diskstats[location1].WriteBytes - diskstats[location2].WriteBytes)
+
+			diskReadBytesCounter.Inc(diskstats[location1].ReadBytes - diskstats[location2].ReadBytes)
+			diskWriteBytesCounter.Inc(diskstats[location1].WriteBytes - diskstats[location2].WriteBytes)
 		}
 		time.Sleep(refresh)
 	}