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(ALPHA GCP FEATURE) Add IPAM controller

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IPAM controller unifies handling of node pod CIDR range allocation.  It
is intended to supersede the logic that is currently in range_allocator
and cloud_cidr_allocator.

Note: for this change, the other allocators still exist and are the
default.

It supports two modes:
* CIDR range allocations done within the cluster that are then
propagated out to the cloud provider.
* Cloud provider managed IPAM that is then reflected into the cluster.
This commit is contained in:
Bowei Du
2017-08-08 16:25:20 -07:00
parent 44c5182187
commit 428b8a4132
22 changed files with 1681 additions and 238 deletions
Download Patch File Download Diff File Expand all files Collapse all files

43
pkg/controller/node/metrics.go
View File

@@ -23,42 +23,42 @@ import (
)
const (
NodeControllerSubsystem = "node_collector"
ZoneHealthStatisticKey = "zone_health"
ZoneSizeKey = "zone_size"
ZoneNoUnhealthyNodesKey = "unhealthy_nodes_in_zone"
EvictionsNumberKey = "evictions_number"
nodeControllerSubsystem = "node_collector"
zoneHealthStatisticKey = "zone_health"
zoneSizeKey = "zone_size"
zoneNoUnhealthyNodesKey = "unhealthy_nodes_in_zone"
evictionsNumberKey = "evictions_number"
)
var (
ZoneHealth = prometheus.NewGaugeVec(
zoneHealth = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Subsystem: NodeControllerSubsystem,
Name: ZoneHealthStatisticKey,
Subsystem: nodeControllerSubsystem,
Name: zoneHealthStatisticKey,
Help: "Gauge measuring percentage of healthy nodes per zone.",
},
[]string{"zone"},
)
ZoneSize = prometheus.NewGaugeVec(
zoneSize = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Subsystem: NodeControllerSubsystem,
Name: ZoneSizeKey,
Subsystem: nodeControllerSubsystem,
Name: zoneSizeKey,
Help: "Gauge measuring number of registered Nodes per zones.",
},
[]string{"zone"},
)
UnhealthyNodes = prometheus.NewGaugeVec(
unhealthyNodes = prometheus.NewGaugeVec(
prometheus.GaugeOpts{
Subsystem: NodeControllerSubsystem,
Name: ZoneNoUnhealthyNodesKey,
Subsystem: nodeControllerSubsystem,
Name: zoneNoUnhealthyNodesKey,
Help: "Gauge measuring number of not Ready Nodes per zones.",
},
[]string{"zone"},
)
EvictionsNumber = prometheus.NewCounterVec(
evictionsNumber = prometheus.NewCounterVec(
prometheus.CounterOpts{
Subsystem: NodeControllerSubsystem,
Name: EvictionsNumberKey,
Subsystem: nodeControllerSubsystem,
Name: evictionsNumberKey,
Help: "Number of Node evictions that happened since current instance of NodeController started.",
},
[]string{"zone"},
@@ -67,11 +67,12 @@ var (
var registerMetrics sync.Once
// Register the metrics that are to be monitored.
func Register() {
registerMetrics.Do(func() {
prometheus.MustRegister(ZoneHealth)
prometheus.MustRegister(ZoneSize)
prometheus.MustRegister(UnhealthyNodes)
prometheus.MustRegister(EvictionsNumber)
prometheus.MustRegister(zoneHealth)
prometheus.MustRegister(zoneSize)
prometheus.MustRegister(unhealthyNodes)
prometheus.MustRegister(evictionsNumber)
})
}