Migrate CI to dogfooding cluster

Migrate all CI jobs and tags to run on the BigBang dogfood cluster (defined here).

See relevant docs for runner configuration and justification here

.gitlab-ci/jobs/k3d/.gitlab-ci.yml

 .k3d_before_script: &k3d_before_script
   # Starting dnsmasq for cluster dns resolution
-  - docker run -d -p 53:53/udp -p 53:53 registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/go-dnsmasq:0eddd476
-  - echo "nameserver 127.0.0.1" >> /etc/resolv.conf
+#  - docker run -d -p 53:53/udp -p 53:53 registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/go-dnsmasq:0eddd476
+#  - echo "nameserver 127.0.0.1" >> /etc/resolv.conf
   # Standup cluster
   - k3d cluster create ${CLUSTER_NAME}  --k3s-server-arg "--disable=traefik" --k3s-server-arg "--disable=metrics-server" -p 80:80@loadbalancer -p 443:443@loadbalancer --wait --agents $N_AGENTS --servers $N_SERVERS
   - while ! (kubectl get node | grep "server" > /dev/null); do sleep 3; done
@@ -12,21 +12,29 @@
   - k3d cluster delete ${CLUSTER_NAME}
 
 .k3d:
-  image: registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/k3d-builder:045fb1c2
+  image: registry.gitlab.com/gitlab-org/cluster-integration/helm-install-image/releases/3.2.4-kube-1.16.15-alpine-3.12
+#  services:
+#    - registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/docker:dind
   services:
-    - registry.dsop.io/platform-one/big-bang/pipeline-templates/pipeline-templates/docker:dind
+    - name: registry.gitlab.com/gitlab-org/cluster-integration/test-utils/k3s-gitlab-ci/releases/v1.18.10-k3s1:latest
+      alias: k3s
   tags:
     - bigbang
     - privileged
-    - public
+    - dogfood
   variables:
-    DOCKER_HOST: tcp://localhost:2375/
+    DOCKER_HOST: tcp://dind:2375
     DOCKER_DRIVER: overlay2
     DOCKER_TLS_CERTDIR: ""
     CLUSTER_NAME: ${CI_COMMIT_REF_SLUG}
     N_SERVERS: 1
     N_AGENTS: 0
   before_script:
-    - *k3d_before_script
-  after_script:
-    - *k3d_after_script
\ No newline at end of file
+    - mkdir -p ~/.kube
+    - curl -f k3s:8081?service=k3s > ~/.kube/config
+    - cat ~/.kube/config
+    - kubectl version
+    - kubectl cluster-info
+  #    - *k3d_before_script
+#  after_script:
+#    - *k3d_after_script
\ No newline at end of file