update nr display name to instanceid on aws

playbooks/roles/newrelic_infrastructure/files/edx/bin/write_nr_display_name_config.sh

+#! /usr/bin/env bash
+
+if command -v ec2metadata >/dev/null 2>&1; then
+  INSTANCEID=$(ec2metadata --instance-id);
+  HOSTNAME=$(hostname)
+  DISPLAY_NAME="$HOSTNAME-$INSTANCEID"
+  if [[ -f /etc/newrelic/nrsysmond.cfg ]]; then
+      sudo sed -i 's/^hostname=.*//g' /etc/newrelic/nrsysmond.cfg 
+      echo "hostname=\"$DISPLAY_NAME\"" | sudo tee -a /etc/newrelic/nrsysmond.cfg
+      sudo service newrelic-sysmond restart
+  fi
+  if [[ -f /etc/newrelic-infra.yml ]]; then
+      sudo sed -i 's/^display_name: .*//g' /etc/newrelic-infra.yml
+      echo "display_name: \"$DISPLAY_NAME\"" | sudo tee -a /etc/newrelic-infra.yml
+      sudo service newrelic-infra restart
+  fi
+fi
+

playbooks/roles/newrelic_infrastructure/tasks/main.yml

@@ -81,6 +81,21 @@
     - install:app-requirements
   when: ansible_distribution == 'Amazon'
 
+- name: Install newrelic display name script
+  copy:
+    src: "edx/bin/write_nr_display_name_config.sh"
+    dest: "/edx/bin/write_nr_display_name_config.sh"
+    owner: root
+    group: root
+    mode: u=rwx,g=r,o=r
+
+- name: Run newrelic display name script on boot
+  lineinfile:
+    path: "/etc/rc.local"
+    line: "/edx/bin/write_nr_display_name_config.sh"
+    insertbefore: "exit 0"
+    mode: "u+x,g+x"
+
 - name: Restart the infrastructure agent if the license key changes
   service:
     name: newrelic-infra