fix: ansible connect local python interpreter problem

example/hosts.allinone

@@ -70,3 +70,6 @@ ca_dir="/etc/kubernetes/ssl"
 
 # Default 'k8s_nodename' is empty
 k8s_nodename=''
+
+# Default python interpreter
+ansible_python_interpreter=/usr/bin/python3

example/hosts.multi-node

@@ -75,3 +75,6 @@ ca_dir="/etc/kubernetes/ssl"
 
 # Default 'k8s_nodename' is empty
 k8s_nodename=''
+
+# Default python interpreter
+ansible_python_interpreter=/usr/bin/python3

ezctl

@@ -337,9 +337,6 @@ function add-node() {
     # check if the new node already exsited
     sed -n '/^\[kube_master/,/^\[harbor/p' "$BASE/clusters/$1/hosts"|grep -E "^$2$|^$2 " && { logger error "node $2 already existed in $BASE/clusters/$1/hosts"; return 2; }
 
-    # add '/usr/bin/python' soft link, needed in some OS (ubuntu 16.04+) 
-    ssh "$2" ln -s /usr/bin/python3 /usr/bin/python > /dev/null 2>&1 || echo ""
-
     logger info "add $2 into 'kube_node' group"
     NODE_INFO="${@:2}"
     sed -i "/\[kube_node/a $NODE_INFO" "$BASE/clusters/$1/hosts"
@@ -355,9 +352,6 @@ function add-master() {
     # check if the new master already exsited
     sed -n '/^\[kube_master/,/^\[kube_node/p' "$BASE/clusters/$1/hosts"|grep -E "^$2$|^$2 " && { logger error "master $2 already existed!"; return 2; }
 
-    # add '/usr/bin/python' soft link, needed in some OS (ubuntu 16.04+) 
-    ssh "$2" ln -s /usr/bin/python3 /usr/bin/python > /dev/null 2>&1 || echo ""
-
     logger info "add $2 into 'kube_master' group"
     MASTER_INFO="${@:2}"
     sed -i "/\[kube_master/a $MASTER_INFO" "$BASE/clusters/$1/hosts"
@@ -379,9 +373,6 @@ function add-etcd() {
     # check if the new node already exsited
     sed -n '/^\[etcd/,/^\[kube_master/p' "$BASE/clusters/$1/hosts"|grep -E "^$2$|^$2 " && { logger error "etcd $2 already existed!"; return 2; }
 
-    # add '/usr/bin/python' soft link, needed in some OS (ubuntu 16.04+) 
-    ssh "$2" ln -s /usr/bin/python3 /usr/bin/python > /dev/null 2>&1 || echo ""
-
     logger info "add $2 into 'etcd' group"
     ETCD_INFO="${@:2}"
     sed -i "/\[etcd/a $ETCD_INFO" "$BASE/clusters/$1/hosts"

ezdown

@@ -571,12 +571,6 @@ function start_kubeasz_docker() {
     ssh-keyscan -t ecdsa -H "$host_ip" >> /root/.ssh/known_hosts
   fi
 
-  # create a link '/usr/bin/python' in Ubuntu1604
-  if [[ ! -e /usr/bin/python && -e /usr/bin/python3 ]]; then
-    logger debug "create a soft link '/usr/bin/python'"
-    ln -s /usr/bin/python3 /usr/bin/python
-  fi
-
   # run kubeasz docker container
   docker run --detach \
       --env HOST_IP="$host_ip" \

roles/prepare/tasks/main.yml

@@ -20,14 +20,6 @@
   - "{{ ca_dir }}"
   - /root/.kube
 
-# 某些系统没有/usr/bin/python，需要配置一个软链接，否则connection: local的任务会失败
-# 如果仍旧出现任务失败，重新执行一遍即可 https://github.com/ansible/ansible/issues/64903
-- name: symlink /usr/bin/python -> /usr/bin/python3
-  raw: |
-    if [ -f /usr/bin/python3 ] && [ ! -f /usr/bin/python ]; then
-      ln --symbolic /usr/bin/python3 /usr/bin/python;
-    fi
-
 - name: 写入环境变量$PATH
   lineinfile:
     dest: ~/.bashrc