Fix amazonlinux install script (#9967)

.vsts-ci/install-ps.yml

@@ -76,8 +76,7 @@ phases:
       {
         throw "powershell was not upgraded: $($PSVersionTable.PSVersion)"
       }
-    # ignoring this due to https://github.com/PowerShell/PowerShell/issues/9285
-    continueOnError: true
+    continueOnError: false
 
 # TODO: add sudo to script and use image with sudo
 - template: templates/install-ps-phase.yml
@@ -85,7 +84,14 @@ phases:
     scriptName: ./tools/install-powershell.sh
     jobName: InstallPowerShellCentOS
     pool: Hosted Ubuntu 1604
-    container: mcr.microsoft.com/powershell:centos-7
+    container: mcr.microsoft.com/powershell/test-deps:centos-7
+    
+- template: templates/install-ps-phase.yml
+  parameters:
+    scriptName: ./tools/install-powershell.sh
+    jobName: InstallPowerShellDebian9
+    pool: Hosted Ubuntu 1604
+    container: mcr.microsoft.com/powershell/test-deps:debian-9
 
 
 # VSTS could not find pwsh in:

tools/installpsh-amazonlinux.sh

@@ -66,6 +66,13 @@ else
     elif [ "${OS}" == "Linux" ] ; then
         if [ -f /etc/redhat-release ] ; then
             DistroBasedOn='redhat'
+        elif [ -f /etc/system-release ] ; then
+            DIST=$(sed s/\ release.*// < /etc/system-release)
+            if [[ $DIST == *"Amazon Linux"* ]] ; then
+                DistroBasedOn='amazonlinux'
+            else
+                DistroBasedOn='redhat'
+            fi
         elif [ -f /etc/SuSE-release ] ; then
             DistroBasedOn='suse'
         elif [ -f /etc/mandrake-release ] ; then

tools/installpsh-debian.sh

@@ -62,6 +62,13 @@ else
     elif [ "${OS}" == "Linux" ] ; then
         if [ -f /etc/redhat-release ] ; then
             DistroBasedOn='redhat'
+        elif [ -f /etc/system-release ] ; then
+            DIST=$(sed s/\ release.*// < /etc/system-release)
+            if [[ $DIST == *"Amazon Linux"* ]] ; then
+                DistroBasedOn='amazonlinux'
+            else
+                DistroBasedOn='redhat'
+            fi
         elif [ -f /etc/SuSE-release ] ; then
             DistroBasedOn='suse'
         elif [ -f /etc/mandrake-release ] ; then
@@ -104,8 +111,13 @@ fi
 
 #Collect any variation details if required for this distro
 # shellcheck disable=SC1091
-. /etc/lsb-release
-DISTRIB_ID=$(lowercase "$DISTRIB_ID")
+if [[ -f /etc/lsb-release ]]; then
+    . /etc/lsb-release
+    DISTRIB_ID=$(lowercase "$DISTRIB_ID")
+elif [[ -f /etc/debian_version ]]; then
+    DISTRIB_ID="debian"
+    DISTRIB_RELEASE=$(cat /etc/debian_version)
+fi
 #END Collect any variation details if required for this distro
 
 #If there are known incompatible versions of this distro, put the test, message and script exit here:

tools/installpsh-osx.sh

@@ -60,6 +60,13 @@ else
     elif [ "${OS}" == "Linux" ] ; then
         if [ -f /etc/redhat-release ] ; then
             DistroBasedOn='redhat'
+        elif [ -f /etc/system-release ] ; then
+            DIST=$(sed s/\ release.*// < /etc/system-release)
+            if [[ $DIST == *"Amazon Linux"* ]] ; then
+                DistroBasedOn='amazonlinux'
+            else
+                DistroBasedOn='redhat'
+            fi
         elif [ -f /etc/SuSE-release ] ; then
             DistroBasedOn='suse'
         elif [ -f /etc/mandrake-release ] ; then

tools/installpsh-redhat.sh

@@ -64,6 +64,13 @@ else
     elif [ "${OS}" == "Linux" ] ; then
         if [ -f /etc/redhat-release ] ; then
             DistroBasedOn='redhat'
+        elif [ -f /etc/system-release ] ; then
+            DIST=$(sed s/\ release.*// < /etc/system-release)
+            if [[ $DIST == *"Amazon Linux"* ]] ; then
+                DistroBasedOn='amazonlinux'
+            else
+                DistroBasedOn='redhat'
+            fi
         elif [ -f /etc/SuSE-release ] ; then
             DistroBasedOn='suse'
         elif [ -f /etc/mandrake-release ] ; then

tools/installpsh-suse.sh

@@ -64,6 +64,13 @@ else
     elif [ "${OS}" == "Linux" ] ; then
         if [ -f /etc/redhat-release ] ; then
             DistroBasedOn='redhat'
+        elif [ -f /etc/system-release ] ; then
+            DIST=$(sed s/\ release.*// < /etc/system-release)
+            if [[ $DIST == *"Amazon Linux"* ]] ; then
+                DistroBasedOn='amazonlinux'
+            else
+                DistroBasedOn='redhat'
+            fi
         elif [ -f /etc/SuSE-release ] ; then
             DistroBasedOn='suse'
         elif [ -f /etc/mandrake-release ] ; then