Add retries to packer package install provisioners

* Add max_retries=5 to Packer provisioners that install OS packages to mitigate networking issue in China

Signed-off-by: Rex <[email protected]>

Author: Rex

amis/packer_alinux2.json

@@ -161,7 +161,8 @@
       "type" : "shell",
       "inline" : [
         "sudo yum -y groupinstall development && sudo yum -y install curl wget jq"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "file",

amis/packer_centos7.json

@@ -189,7 +189,8 @@
       "type" : "shell",
       "inline" : [
         "sudo yum -y groupinstall development && sudo yum -y install curl wget jq"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "file",

amis/packer_centos8.json

@@ -189,7 +189,8 @@
       "type" : "shell",
       "inline" : [
         "sudo dnf -y groupinstall development && sudo dnf -y install curl wget jq"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "file",

amis/packer_ubuntu1804.json

@@ -176,13 +176,15 @@
         "sudo apt-cache search build-essential",
         "sudo apt-get clean",
         "sudo apt update -y"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "shell",
       "inline" : [
         "sudo apt-get -y install build-essential curl wget jq"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "file",

amis/packer_ubuntu2004.json

@@ -176,13 +176,15 @@
         "sudo apt-cache search build-essential",
         "sudo apt-get clean",
         "sudo apt update -y"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "shell",
       "inline" : [
         "sudo apt-get -y install build-essential curl wget jq"
-      ]
+      ],
+      "max_retries" : 5
     },
     {
       "type" : "file",