add an exec block to install-cwlogs to ensure latest version of pip

A combination of a few python packaging/installing tool issues has led to the cloudwatch logs agent install process breaking. A bit of detail here: pypa/virtualenv#1630 (comment)
harvard-dce · Mar 12, 2020 · 7738a13 · 7738a13
1 parent 80bc0eb
commit 7738a13
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diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -12,6 +12,7 @@
           cred: <the old oauth2, ask the dev team>,
           helix_sheet_id: <the Helix Googledoc spreadsheet id of choice>
         }
+* MI-183 `install-cwlogs` recipe needs to install latest version of pip
 
 ## v2.13.0 - 1/21/2020
 

diff --git a/recipes/install-cwlogs.rb b/recipes/install-cwlogs.rb
@@ -30,6 +30,13 @@
   mode '0755'
 end
 
+execute 'Upgrade to latest pip' do
+  command %Q|pip install -U pip virtualenv|
+  retries 5
+  retry_delay 15
+  timeout 300
+end
+
 execute 'Install CloudWatch Logs agent' do
   command %Q|/opt/aws/cloudwatch/awslogs-agent-setup.py -n -r #{region} -c /tmp/cwlogs.conf|
   retries 2