Add retries for installing package from PyPi

This solves sporadic failures when building images in China regions

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

Author: hanwen-cluster

cookbooks/aws-parallelcluster-awsbatch/recipes/install.rb

@@ -51,5 +51,7 @@
   # Install aws-parallelcluster-awsbatch-cli package
   execute "pip_install_parallelcluster_awsbatch_cli" do
     command "#{node['cluster']['awsbatch_virtualenv_path']}/bin/pip install aws-parallelcluster-awsbatch-cli==#{node['cluster']['parallelcluster-awsbatch-cli-version']}"
+    retries 3
+    retry_delay 5
   end
 end

cookbooks/aws-parallelcluster-computefleet/recipes/install/parallelcluster_node.rb

@@ -38,5 +38,7 @@
 else
   execute "install official aws-parallelcluster-node" do
     command "#{virtualenv_path}/bin/pip install aws-parallelcluster-node==#{node['cluster']['parallelcluster-node-version']}"
+    retries 3
+    retry_delay 5
   end
 end