use upstream coredns chart instead of fork

Signed-off-by: Andre Baptista Aguas <[email protected]>

Makefile

@@ -38,7 +38,7 @@ CLUSTER_GSLB_GATEWAY = docker network inspect ${CLUSTER_GSLB_NETWORK} -f '{{ (in
 GSLB_DOMAIN ?= cloud.example.com
 REPO := absaoss/k8gb
 SHELL := bash
-VALUES_YAML ?= ""
+VALUES_YAML ?= deploy/k8gb/values.yaml
 PODINFO_IMAGE_REPO ?= ghcr.io/stefanprodan/podinfo
 HELM_ARGS ?=
 K8GB_COREDNS_IP ?= kubectl get svc k8gb-coredns -n k8gb -o custom-columns='IP:spec.clusterIP' --no-headers
@@ -157,7 +157,6 @@ deploy-test-version: ## Upgrade k8gb to the test version on existing clusters
 
 	@for c in $(CLUSTER_IDS); do \
 		$(MAKE) deploy-local-cluster CLUSTER_ID=$$c VERSION=$(SEMVER)-$(ARCH) CHART='./chart/k8gb' ;\
-		kubectl apply -n k8gb -f ./deploy/test/coredns-tcp-svc.yaml ;\
 	done
 
 .PHONY: list-running-pods
@@ -178,7 +177,7 @@ deploy-local-cluster:
 	kubectl config use-context k3d-$(CLUSTER_NAME)$(CLUSTER_ID)
 
 	@echo -e "\n$(YELLOW)Create namespace $(NC)"
-	kubectl apply -f deploy/namespace.yaml
+	kubectl apply -f deploy/k8gb-namespace.yaml
 
 	@echo -e "\n$(YELLOW)Deploy GSLB operator from $(VERSION) $(NC)"
 	$(MAKE) deploy-k8gb-with-helm
@@ -190,18 +189,18 @@ deploy-local-cluster:
 		--version 4.0.15 -f $(NGINX_INGRESS_VALUES_PATH)
 
 	@echo -e "\n$(YELLOW)Install Istio CRDs $(NC)"
-	kubectl create namespace istio-system
+	kubectl apply -f deploy/istio-system-namespace.yaml
 	helm repo add --force-update istio https://istio-release.storage.googleapis.com/charts
 	helm repo update
-	helm upgrade -i istio-base istio/base -n istio-system
+	helm upgrade -i istio-base istio/base -n istio-system --version 1.23.2
 
 	@echo -e "\n$(YELLOW)Install Istiod $(NC)"
-	helm upgrade -i istiod istio/istiod -n istio-system --wait
+	helm upgrade -i istiod istio/istiod -n istio-system --version 1.23.2 --wait
 
 	@echo -e "\n$(YELLOW)Install Istio Ingress Gateway $(NC)"
-	kubectl create namespace istio-ingress
+	kubectl apply -f deploy/istio-ingress-namespace.yaml
 	helm upgrade -i istio-ingressgateway istio/gateway -n istio-ingress \
-		-f $(ISTIO_INGRESS_VALUES_PATH)
+		--version 1.23.2 -f $(ISTIO_INGRESS_VALUES_PATH)
 
 	@if [ "$(DEPLOY_APPS)" = true ]; then $(MAKE) deploy-test-apps ; fi
 
@@ -254,7 +253,6 @@ deploy-k8gb-with-helm:
 	helm -n k8gb upgrade -i k8gb $(CHART) -f $(VALUES_YAML) \
 		--set $(call get-helm-args,$(CLUSTER_ID)) \
 		--set k8gb.reconcileRequeueSeconds=10 \
-		--set k8gb.dnsZoneNegTTL=10 \
 		--set k8gb.imageTag=${VERSION:"stable"=""} \
 		--set k8gb.log.format=$(LOG_FORMAT) \
 		--set k8gb.log.level=$(LOG_LEVEL) \
@@ -264,7 +262,7 @@ deploy-k8gb-with-helm:
 
 .PHONY: deploy-gslb-operator
 deploy-gslb-operator: ## Deploy k8gb operator
-	kubectl apply -f deploy/namespace.yaml
+	kubectl apply -f deploy/k8gb-namespace.yaml
 	cd chart/k8gb && helm dependency update
 	helm -n k8gb upgrade -i k8gb chart/k8gb -f $(VALUES_YAML) $(HELM_ARGS) \
 		--set k8gb.log.format=$(LOG_FORMAT)

chart/k8gb/Chart.lock

@@ -1,6 +1,6 @@
 dependencies:
 - name: coredns
-  repository: https://k8gb-io.github.io/coredns-helm
-  version: 1.15.3
-digest: sha256:6e8906f6d2e0772826658468a0ff436fe0b1f6b7e2daeb4a03b27edfedcba41c
-generated: "2024-09-06T11:25:39.309536+02:00"
+  repository: https://coredns.github.io/helm
+  version: 1.36.0
+digest: sha256:bcd2228fb16d5088ee38600dc4ec332e4ea84bfa159f3a9c33df112b201f5c29
+generated: "2024-10-15T23:29:44.394986+02:00"

chart/k8gb/Chart.yaml

@@ -9,8 +9,8 @@ kubeVersion: ">= 1.19.0-0"
 
 dependencies:
   - name: coredns
-    repository: https://k8gb-io.github.io/coredns-helm
-    version: 1.15.3
+    repository: https://coredns.github.io/helm
+    version: 1.36.0
 
 home: https://www.k8gb.io/
 sources:

chart/k8gb/templates/coredns-cm.yaml → chart/k8gb/templates/coredns/cm.yaml

@@ -1,10 +1,11 @@
 {{- if .Values.coredns.deployment.enabled }}
+apiVersion: v1
 kind: ConfigMap
 metadata:
+  name: {{ .Release.Name }}-coredns
+  namespace: {{ .Release.Namespace }}
   labels:
 {{ include "chart.labels" . | indent 4  }}
-  name: {{ .Release.Name }}-coredns
-apiVersion: v1
 data:
   Corefile: |-
     {{ .Values.k8gb.dnsZone }}:5353 {

chart/k8gb/values.yaml

@@ -98,6 +98,16 @@ coredns:
   serviceAccount:
     create: true
     name: coredns
+  securityContext:
+    capabilities:
+      add: []
+  # -- Only meant to open the correct service and container ports, has no other impact on the coredns configuration
+  servers:
+  - port: 5353
+    servicePort: 53
+    plugins:
+    - name: prometheus
+      parameters: 0.0.0.0:9153
 
 infoblox:
   # -- infoblox provider enabled

deploy/ingress/nginx-ingress-values.yaml

@@ -21,9 +21,3 @@ controller:
 
   service:
     enabled: false
-
-# UDP service key:value pairs
-# Ref: https://github.com/kubernetes/contrib/tree/master/ingress/controllers/nginx/examples/udp
-##
-udp:
-  53: "k8gb/k8gb-coredns:53"

deploy/istio-ingress-namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: istio-ingress

deploy/istio-system-namespace.yaml

@@ -0,0 +1,4 @@
+apiVersion: v1
+kind: Namespace
+metadata:
+  name: istio-system

deploy/k8gb/values.yaml

@@ -0,0 +1,21 @@
+coredns:
+  serviceType: LoadBalancer
+
+  servers:
+  - zones: 
+    - zone: cloud.example.com
+    port: 5353
+    servicePort: 53
+    plugins:
+    - name: errors
+    - name: health
+    - name: ready
+    - name: prometheus
+      parameters: 0.0.0.0:9153
+    - name: forward
+      parameters: . /etc/resolv.conf
+    - name: k8s_crd
+      configBlock: |-
+        filter k8gb.absa.oss/dnstype=local
+        negttl 10
+        loadbalance weight

docs/examples/azure/k8gb/aks1-helm-values.yaml

@@ -1,8 +1,6 @@
 k8gb:
   # -- dnsZone controlled by gslb
-  dnsZone: "demo.k8gb-kubeconeu2023.com"
-  # -- Negative TTL for SOA record
-  dnsZoneNegTTL: 300
+  dnsZone: &dnsZone "demo.k8gb-kubeconeu2023.com"
   # -- main zone which would contain gslb zone to delegate
   edgeDNSZone: "k8gb-kubeconeu2023.com" # main zone which would contain gslb zone to delegate
   # -- host/ip[:port] format is supported here where port defaults to 53
@@ -33,3 +31,23 @@ azuredns:
     resourceGroup: k8gb-kubeconeu2023
     aadClientId: myAADClientID
     aadClientSecret: myAADClientSecret
+
+coredns:
+  servers:
+  - zones: 
+    - zone: *dnsZone
+    port: 5353
+    servicePort: 53
+    plugins:
+    - name: errors
+    - name: health
+    - name: ready
+    - name: prometheus
+      parameters: 0.0.0.0:9153
+    - name: forward
+      parameters: . /etc/resolv.conf
+    - name: k8s_crd
+      configBlock: |-
+        filter k8gb.absa.oss/dnstype=local
+        negttl 300
+        loadbalance weight

docs/examples/azure/k8gb/aks2-helm-values.yaml

@@ -1,8 +1,6 @@
 k8gb:
   # -- dnsZone controlled by gslb
-  dnsZone: "demo.k8gb-kubeconeu2023.com"
-  # -- Negative TTL for SOA record
-  dnsZoneNegTTL: 300
+  dnsZone: &dnsZone "demo.k8gb-kubeconeu2023.com"
   # -- main zone which would contain gslb zone to delegate
   edgeDNSZone: "k8gb-kubeconeu2023.com" # main zone which would contain gslb zone to delegate
   # -- host/ip[:port] format is supported here where port defaults to 53
@@ -32,3 +30,23 @@ azuredns:
     resourceGroup: k8gb-kubeconeu2023
     aadClientId: myAADClientID
     aadClientSecret: myAADClientSecret
+
+coredns:
+  servers:
+  - zones: 
+    - zone: *dnsZone
+    port: 5353
+    servicePort: 53
+    plugins:
+    - name: errors
+    - name: health
+    - name: ready
+    - name: prometheus
+      parameters: 0.0.0.0:9153
+    - name: forward
+      parameters: . /etc/resolv.conf
+    - name: k8s_crd
+      configBlock: |-
+        filter k8gb.absa.oss/dnstype=local
+        negttl 300
+        loadbalance weight

docs/examples/windowsdns/k8gb/aks1-helm-values.yaml

@@ -3,9 +3,7 @@ k8gb:
   deployCrds: true
   deployRbac: true
   # -- dns zone that will be managed by CoreDNS
-  dnsZone: "global.k8gb.local"
-  # -- Negative TTL for SOA record
-  dnsZoneNegTTL: 300
+  dnsZone: &dnsZone "global.k8gb.local"
   # -- main zone which would contain gslb zone to delegate
   edgeDNSZone: "k8gb.local"
   # -- host/ip[:port] format is supported here where port defaults to 53
@@ -60,6 +58,24 @@ coredns:
   rbac:
     create: true
     name: coredns
+  servers:
+  - zones: 
+    - zone: *dnsZone
+    port: 5353
+    servicePort: 53
+    plugins:
+    - name: errors
+    - name: health
+    - name: ready
+    - name: prometheus
+      parameters: 0.0.0.0:9153
+    - name: forward
+      parameters: . /etc/resolv.conf
+    - name: k8s_crd
+      configBlock: |-
+        filter k8gb.absa.oss/dnstype=local
+        negttl 300
+        loadbalance weight
 
 rfc2136:
   enabled: true
@@ -80,4 +96,4 @@ rfc2136:
       gssTsigCreds:
         - kerberos-username: k8gb
         - kerberos-password: asdfkuj#f8guh1
-        - kerberos-realm: k8gb.local
+        - kerberos-realm: k8gb.local

docs/examples/windowsdns/k8gb/aks2-helm-values.yaml

@@ -3,9 +3,7 @@ k8gb:
   deployCrds: true
   deployRbac: true
   # -- dns zone that will be managed by CoreDNS
-  dnsZone: "global.k8gb.local"
-  # -- Negative TTL for SOA record
-  dnsZoneNegTTL: 300
+  dnsZone: &dnsZone "global.k8gb.local"
   # -- main zone which would contain gslb zone to delegate
   edgeDNSZone: "k8gb.local"
   # -- host/ip[:port] format is supported here where port defaults to 53
@@ -60,6 +58,24 @@ coredns:
   rbac:
     create: true
     name: coredns
+  servers:
+  - zones: 
+    - zone: *dnsZone
+    port: 5353
+    servicePort: 53
+    plugins:
+    - name: errors
+    - name: health
+    - name: ready
+    - name: prometheus
+      parameters: 0.0.0.0:9153
+    - name: forward
+      parameters: . /etc/resolv.conf
+    - name: k8s_crd
+      configBlock: |-
+        filter k8gb.absa.oss/dnstype=local
+        negttl 300
+        loadbalance weight
 
 rfc2136:
   enabled: true
@@ -80,4 +96,4 @@ rfc2136:
       gssTsigCreds:
         - kerberos-username: k8gb
         - kerberos-password: asdfkuj#f8guh1
-        - kerberos-realm: K8GB.LOCAL
+        - kerberos-realm: K8GB.LOCAL

k3d/edge-dns.yaml

@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha4
+apiVersion: k3d.io/v1alpha5
 kind: Simple
 metadata:
   name: edgedns

k3d/gslb.yaml.tmpl

@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha4
+apiVersion: k3d.io/v1alpha5
 kind: Simple
 metadata:
   name: test-gslb$CLUSTER_INDEX

k3d/test-gslb1.yaml

@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha4
+apiVersion: k3d.io/v1alpha5
 kind: Simple
 metadata:
   name: test-gslb1
@@ -23,15 +23,13 @@ ports:
   - port: 9080:30090
     nodeFilters:
       - agent:0:direct
-  - port: 5053:30053/tcp
+  - port: 5053:53/tcp
     nodeFilters:
-      - agent:0:direct
+      - loadbalancer
   - port: 5053:53/udp
     nodeFilters:
-      - agent:0:direct
+      - loadbalancer
 options:
-  k3d:
-    disableLoadbalancer: true
   k3s:
     extraArgs:
       - arg: --disable=traefik,metrics-server,local-storage

k3d/test-gslb2.yaml

@@ -1,4 +1,4 @@
-apiVersion: k3d.io/v1alpha4
+apiVersion: k3d.io/v1alpha5
 kind: Simple
 metadata:
   name: test-gslb2
@@ -20,15 +20,13 @@ ports:
   - port: 9081:30090
     nodeFilters:
       - agent:0:direct
-  - port: 5054:30053/tcp
+  - port: 5054:53/tcp
     nodeFilters:
-      - agent:0:direct
+      - loadbalancer
   - port: 5054:53/udp
     nodeFilters:
-      - agent:0:direct
+      - loadbalancer
 options:
-  k3d:
-    disableLoadbalancer: true
   k3s:
     extraArgs:
       - arg: --disable=traefik,metrics-server,local-storage