[7.0.x] scale tuning (#2159)

* set value for health_test to prevent runaway cpu usage (#2117)


(cherry picked from commit 80857d6)

* [master] change coredns on workers to deployment (#2104)

* change coredns on workers to deployment; introduce cluster proportional autoscaler for DNS services

* tweak the proportional autoscaler to scale to 0 on worker nodes

* remove worker coredns daemonset during upgrade

* add critical labels and annotations

(cherry picked from commit d2848ec)

* [master] g1k scaling (#2146)

* Use algorithm for calculating number of simaltanous expand operations

* set a higher max interval when attempting to join a cluster to reduce load

* tuning for large clusters and cloud environments

* tuning for large clusters

* add godoc for operationsfilter

* temp e-ref (at PR)

* address review feedback

* address review feedback

* fix glitch in filter without any type filters

* increase default teleport connection limit

* update e ref

* update e ref

(cherry picked from commit 0a63c55)

* update planet and monitoring-app

* bump planet

* bump planet

* bump dns-app tag

* use correct version of monitoring app

* update e-ref to merged commit

* bump planet

Makefile

@@ -49,15 +49,15 @@ RELEASE_OUT ?=
 TELEPORT_TAG = 3.2.16
 # TELEPORT_REPOTAG adapts TELEPORT_TAG to the teleport tagging scheme
 TELEPORT_REPOTAG := v$(TELEPORT_TAG)
-PLANET_TAG := 7.0.42-$(K8S_VER_SUFFIX)
+PLANET_TAG := 7.0.46-$(K8S_VER_SUFFIX)
 PLANET_BRANCH := $(PLANET_TAG)
 K8S_APP_TAG := $(GRAVITY_TAG)
 TELEKUBE_APP_TAG := $(GRAVITY_TAG)
 WORMHOLE_APP_TAG := $(GRAVITY_TAG)
 STORAGE_APP_TAG ?= 0.0.3
 LOGGING_APP_TAG ?= 6.0.6
-MONITORING_APP_TAG ?= 7.0.4
-DNS_APP_TAG = 7.0.0
+MONITORING_APP_TAG ?= 7.0.5
+DNS_APP_TAG = 7.0.1
 BANDWAGON_TAG ?= 6.0.1
 RBAC_APP_TAG := $(GRAVITY_TAG)
 TILLER_VERSION = 2.15.2

assets/dns-app/hooks/entrypoint.sh

@@ -6,6 +6,9 @@ if [ $1 = "update" ]; then
     echo "Updating resources"
     rig upsert -f /var/lib/gravity/resources/dns.yaml
 
+    echo "Deleting coredns daemonset that has been replaced by a deployment"
+    rig delete ds/coredns-worker --resource-namespace=kube-system --force
+
     echo "Checking status"
     rig status $RIG_CHANGESET --retry-attempts=120 --retry-period=1s --debug
     echo "Freezing"