Update DinD image to make it possible to configure HTTP proxies (#485)

Author: cofyc

docs/local-dind-tutorial.md

@@ -43,6 +43,15 @@ $ manifests/local-dind/dind-cluster-v1.12.sh up
 $ KUBE_REPO_PREFIX=uhub.ucloud.cn/pingcap manifests/local-dind/dind-cluster-v1.12.sh up
 ```
 
+> **Note:** An alternative solution is to configure HTTP proxies in DinD.
+
+```
+$ export DIND_HTTP_PROXY=http://<ip>:<port>
+$ export DIND_HTTPS_PROXY=http://<ip>:<port>
+$ export DIND_NO_PROXY=.svc,.local,127.0.0.1,0,1,2,3,4,5,6,7,8,9 # whitelist internal domains and IP addresses
+$ manifests/local-dind/dind-cluster-v1.12.sh up
+```
+
 ## Step 2: Install TiDB Operator in the DinD Kubernetes cluster
 
 ```sh

manifests/local-dind/dind-cluster-v1.10.sh

@@ -52,7 +52,7 @@ if [[ $(uname) == Linux && -z ${DOCKER_HOST:-} ]]; then
     using_local_linuxdocker=1
 fi
 
-EMBEDDED_CONFIG=y;DIND_IMAGE=mirantis/kubeadm-dind-cluster@sha256:ba1b61973fb4761f209580c599c17eab7c2e1bead5dfe496aab47c5ff672b05f
+EMBEDDED_CONFIG=y;DIND_IMAGE=mirantis/kubeadm-dind-cluster@sha256:0a68bdc682af3e102bafb9efa304a1b50aec0b2c64c086c34004d4d289e5b173
 
 KUBE_REPO_PREFIX="${KUBE_REPO_PREFIX:-}"
 if [[ -n ${KUBE_REPO_PREFIX} ]];then

manifests/local-dind/dind-cluster-v1.12.sh

@@ -52,7 +52,7 @@ if [[ $(uname) == Linux && -z ${DOCKER_HOST:-} ]]; then
     using_local_linuxdocker=1
 fi
 
-EMBEDDED_CONFIG=y;DIND_IMAGE=mirantis/kubeadm-dind-cluster@sha256:8e679951101f3f2030e77a1146cc514631f21f424027fcc003fc78a0337eb730
+EMBEDDED_CONFIG=y;DIND_IMAGE=mirantis/kubeadm-dind-cluster@sha256:48782c23bedd3f9c3d42af0ab0417eeff7d7884eac20a67adcb0c8534a97fce1
 
 KUBE_REPO_PREFIX="${KUBE_REPO_PREFIX:-}"
 if [[ -n ${KUBE_REPO_PREFIX} ]];then