Bump ruby from 2.4.4 to 2.7.3

- Follow on from #634

[#177690506](https://www.pivotaltracker.com/story/show/177690506)

.final_builds/packages/ruby-2.7.3-r0.43.0/index.yml

@@ -0,0 +1,6 @@
+builds:
+  99c4d7fe18ef5287f062b73101b2b697fca340e7eac03b3ee87284b71e1c18d8:
+    version: 99c4d7fe18ef5287f062b73101b2b697fca340e7eac03b3ee87284b71e1c18d8
+    blobstore_id: 8747e880-6489-4c32-74df-b6a878f9d7e2
+    sha1: sha256:2507840353929a72a2378481168e6d4ae1f2faa47939dfabb358a4724c1b634e
+format-version: "2"

Jenkinsfile

@@ -1,5 +1,5 @@
 pipeline {
-    agent { docker { image 'ruby:2.4.4' } }
+    agent { docker { image 'ruby:2.7.3' } }
     stages {
         stage('rubocop') {
             steps {

ci/docker/boshcpi.azure-cpi-release/Dockerfile

@@ -32,7 +32,7 @@ RUN /bin/bash -l -c " \
 "
 
 # ruby
-ENV RUBY_VERSION 2.4.4
+ENV RUBY_VERSION 2.7.3
 RUN ruby-install ruby ${RUBY_VERSION}
 
 # Bundler

ci/tasks/run-az-bats.sh

@@ -11,7 +11,7 @@ set -e
 
 source pipelines/shared/utils.sh
 source /etc/profile.d/chruby.sh
-chruby 2.4.4
+chruby 2.7.3
 
 metadata="$( cat environment/metadata )"
 mkdir -p bats-config

docs/development.md

@@ -49,7 +49,7 @@
 
 1. Install ruby
 
-    Please make sure you have installed ruby `2.4.4` before you start.
+    Please make sure you have installed ruby `2.7.3` before you start.
 
     ```bash
     cd ~/workspace
@@ -67,8 +67,8 @@
       sudo make install
     popd
 
-    ruby-install ruby 2.4.4
-    echo 'chruby 2.4.4' >> ~/.profile
+    ruby-install ruby 2.7.3
+    echo 'chruby 2.7.3' >> ~/.profile
     source ~/.profile
     ruby -v
     ```
@@ -142,7 +142,7 @@ You can use `bosh_azure_console` to test your code changes quickly.
   gem install pg --version 0.20.0 --no-ri --no-rdoc
 
   # Workaround for the issue https://github.com/cloudfoundry/bosh/issues/1621
-  sed -i -e '23s/^/#/' ~/.gem/ruby/2.4.4/gems/bosh-registry-1.3262.24.0/lib/bosh/registry.rb
+  sed -i -e '23s/^/#/' ~/.gem/ruby/2.7.3/gems/bosh-registry-1.3262.24.0/lib/bosh/registry.rb
 
   cat > ~/workspace/registry.cfg <<EOS
   ---

jobs/azure_cpi/spec

@@ -8,7 +8,7 @@ templates:
   service_principal_certificate.pem.erb: config/service_principal_certificate.pem
 
 packages:
-- ruby-2.4-r4
+- ruby-2.7.3-r0.43.0
 - bosh_azure_cpi
 
 properties:

jobs/azure_cpi/templates/cpi.erb

@@ -3,7 +3,7 @@
 set -e
 
 BOSH_PACKAGES_DIR=${BOSH_PACKAGES_DIR:-/var/vcap/packages}
-source ${BOSH_PACKAGES_DIR}/ruby-2.4-r4/bosh/runtime.env
+source ${BOSH_PACKAGES_DIR}/ruby-2.7.3-r0.43.0/bosh/runtime.env
 BOSH_JOBS_DIR=${BOSH_JOBS_DIR:-/var/vcap/jobs}
 export HOME=~
 

packages/bosh_azure_cpi/packaging

@@ -4,7 +4,7 @@ set -e -x
 
 BOSH_PACKAGES_DIR=${BOSH_PACKAGES_DIR:-/var/vcap/packages}
 
-source ${BOSH_PACKAGES_DIR}/ruby-2.4-r4/bosh/compile.env
+source ${BOSH_PACKAGES_DIR}/ruby-2.7.3-r0.43.0/bosh/compile.env
 
 cp -a bosh_azure_cpi/* ${BOSH_INSTALL_TARGET}
 

packages/bosh_azure_cpi/spec

@@ -1,7 +1,7 @@
 ---
 name: bosh_azure_cpi
 dependencies:
-- ruby-2.4-r4
+- ruby-2.7.3-r0.43.0
 files:
 - bosh_azure_cpi/Gemfile
 - bosh_azure_cpi/Gemfile.lock

packages/ruby-2.7.3-r0.43.0/spec.lock

@@ -0,0 +1,2 @@
+name: ruby-2.7.3-r0.43.0
+fingerprint: 99c4d7fe18ef5287f062b73101b2b697fca340e7eac03b3ee87284b71e1c18d8

src/bosh_azure_cpi/.rubocop.yml

@@ -1,4 +1,4 @@
 inherit_from: .rubocop_todo.yml
 
 AllCops:
-  TargetRubyVersion: 2.4.4
+  TargetRubyVersion: 2.7.3

src/bosh_azure_cpi/spec/manual_tests/performance/run_performance.sh

@@ -1,4 +1,4 @@
-chruby 2.4.4
+chruby 2.7.3
 source ./run_performance.pri.sh
 
 export SERVICE_HOST_BASE="core.windows.net"