[Ubuntu 20] Add docker-moby, sbt, github-cli, prepare toolcache directory (#1002)

* add docker-moby,sbt,github-cli toolcache ruby, pypy

* remove toolcache

* add agentoolsdirectory

* remove toolcache and toolset files

* move directory creation for all Ubuntus'

images/linux/scripts/installers/configure-environment.sh

@@ -5,3 +5,9 @@ echo ImageOS=$IMAGE_OS | tee -a /etc/environment
 # This directory is supposed to be created in $HOME and owned by user(https://github.com/actions/virtual-environments/issues/491)
 mkdir -p /etc/skel/.config/configstore
 echo 'export XDG_CONFIG_HOME=$HOME/.config' | tee -a /etc/skel/.bashrc
+
+# Prepare directory and env variable for toolcache
+AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache
+mkdir $AGENT_TOOLSDIRECTORY
+echo "AGENT_TOOLSDIRECTORY=$AGENT_TOOLSDIRECTORY" | tee -a /etc/environment
+chmod -R 777 $AGENT_TOOLSDIRECTORY

images/linux/scripts/installers/docker-moby.sh

@@ -6,9 +6,15 @@
 
 source $HELPER_SCRIPTS/apt.sh
 source $HELPER_SCRIPTS/document.sh
+source $HELPER_SCRIPTS/os.sh
 
 docker_package=moby
 
+# There is no stable docker-moby for Ubuntu 20 at the moment
+if isUbuntu20 ; then
+    add-apt-repository "deb [arch=amd64,armhf,arm64] https://packages.microsoft.com/ubuntu/20.04/prod testing main"
+fi
+
 ## Check to see if docker is already installed
 echo "Determing if Docker ($docker_package) is installed"
 if ! IsInstalled $docker_package; then

images/linux/scripts/installers/hosted-tool-cache.sh

@@ -12,11 +12,6 @@ set -e
 
 TOOLCACHE_REGISTRY="npm.pkg.github.com"
 
-AGENT_TOOLSDIRECTORY=/opt/hostedtoolcache
-mkdir $AGENT_TOOLSDIRECTORY
-echo "AGENT_TOOLSDIRECTORY=$AGENT_TOOLSDIRECTORY" | tee -a /etc/environment
-chmod -R 777 $AGENT_TOOLSDIRECTORY
-
 echo "Configure npm to use github package registry for '@actions' scope"
 npm config set @actions:registry "https://${TOOLCACHE_REGISTRY}"