From d1d047829b9bd57f884bda1234fbd6e61312ea45 Mon Sep 17 00:00:00 2001
From: Tony Wildish <TonyWildish@users.noreply.github.com>
Date: Wed, 11 Dec 2024 14:55:03 +0000
Subject: [PATCH 1/2] Upgrade Nexus VM to larger machine. Update deployment of
 Nexus container to set Java VM memory limits based on available RAM. Bump
 version number by 0.0.1

---
 .../shared_services/sonatype-nexus-vm/porter.yaml      |  2 +-
 .../scripts/deploy_nexus_container.sh                  | 10 ++++++++++
 .../shared_services/sonatype-nexus-vm/terraform/vm.tf  |  2 +-
 3 files changed, 12 insertions(+), 2 deletions(-)

diff --git a/templates/shared_services/sonatype-nexus-vm/porter.yaml b/templates/shared_services/sonatype-nexus-vm/porter.yaml
index f46a419468..79ea23c4be 100644
--- a/templates/shared_services/sonatype-nexus-vm/porter.yaml
+++ b/templates/shared_services/sonatype-nexus-vm/porter.yaml
@@ -1,7 +1,7 @@
 ---
 schemaVersion: 1.0.0
 name: tre-shared-service-sonatype-nexus
-version: 3.0.0
+version: 3.0.1
 description: "A Sonatype Nexus shared service"
 dockerfile: Dockerfile.tmpl
 registry: azuretre
diff --git a/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh b/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh
index 84e4d964b4..5246c5cc92 100644
--- a/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh
+++ b/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh
@@ -20,7 +20,17 @@ while true; do
   ((docker_pull_timeout--));
 done
 
+# Deduce memory available to Java. Either 3/4 of the system RAM, or a set minimum
+mem_total_mb=$(( $(cat /proc/meminfo | head -1 | awk '{ print $2 }') / 1024 ))
+java_mem=2703
+if [ $mem_total_mb -gt 4096 ]; then
+  java_mem=$(( $mem_total_mb * 3 / 4 ))
+fi
+
+echo "System memory: ${mem_total_mb} MB. Java memory: ${java_mem} MB"
+
 docker run -d -p 80:8081 -p 443:8443 -p 8083:8083 -v /etc/nexus-data:/nexus-data \
+    -e INSTALL4J_ADD_VM_PARAMS="-Xmx${java_mem}m -Xms${java_mem}m" \
     --restart always \
     --name nexus \
     --log-driver local \
diff --git a/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf b/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf
index 79dfa04472..1d4ee13fcc 100644
--- a/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf
+++ b/templates/shared_services/sonatype-nexus-vm/terraform/vm.tf
@@ -100,7 +100,7 @@ resource "azurerm_linux_virtual_machine" "nexus" {
   resource_group_name             = local.core_resource_group_name
   location                        = data.azurerm_resource_group.rg.location
   network_interface_ids           = [azurerm_network_interface.nexus.id]
-  size                            = "Standard_B2s"
+  size                            = "Standard_B8ms"
   disable_password_authentication = false
   admin_username                  = "adminuser"
   admin_password                  = random_password.nexus_vm_password.result

From 3b771961213f7b2d14d2c6b0c853b29df8812d04 Mon Sep 17 00:00:00 2001
From: Tony Wildish <TonyWildish@users.noreply.github.com>
Date: Wed, 11 Dec 2024 15:54:09 +0000
Subject: [PATCH 2/2] Fix linting issues

---
 .../sonatype-nexus-vm/scripts/deploy_nexus_container.sh        | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh b/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh
index 5246c5cc92..5fdc769c95 100644
--- a/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh
+++ b/templates/shared_services/sonatype-nexus-vm/scripts/deploy_nexus_container.sh
@@ -21,10 +21,11 @@ while true; do
 done
 
 # Deduce memory available to Java. Either 3/4 of the system RAM, or a set minimum
+# shellcheck disable=SC2002
 mem_total_mb=$(( $(cat /proc/meminfo | head -1 | awk '{ print $2 }') / 1024 ))
 java_mem=2703
 if [ $mem_total_mb -gt 4096 ]; then
-  java_mem=$(( $mem_total_mb * 3 / 4 ))
+  java_mem=$(( mem_total_mb * 3 / 4 ))
 fi
 
 echo "System memory: ${mem_total_mb} MB. Java memory: ${java_mem} MB"