Added nvidia_smi_exporter for prometheus

ansible.cfg

@@ -2,3 +2,4 @@
 inventory = hosts
 host_key_checking = False
 forks = 20
+stdout_callback = debug

nvidia_smi_exporter.yml

@@ -0,0 +1,5 @@
+---
+- hosts: gpu_node
+  become: True
+  roles:
+     - nvidia_smi_exporter

promtools/Dockerfile

@@ -24,4 +24,9 @@ RUN go get github.com/HewlettPackard/lustre_exporter && \
     go build && \
     cp /go/bin/lustre_exporter /results
 
+RUN go get git.webhosting.rug.nl/HPC/nvidia_smi_exporter.git && \
+    cd "${GOPATH-$HOME/go}/src/git.webhosting.rug.nl/HPC/nvidia_smi_exporter.git" && \
+    go build && \
+    cp nvidia_smi_exporter.git /results/nvidia_smi_exporter
+
 CMD /go/bin/proxy

roles/nvidia_smi_exporter/tasks/main.yml

@@ -0,0 +1,36 @@
+---
+- file:
+    path: /usr/local/prometheus
+    state: directory
+    mode: 0755
+
+- name: Install smi exporter
+  copy:
+    src: "{{ playbook_dir }}/promtools/results/nvidia_smi_exporter"
+    dest: /usr/local/prometheus/nvidia_smi_exporter
+    mode: 0755
+
+- name: Install service files.
+  template:
+    src: templates/nvidia-smi-exporter.service
+    dest: /etc/systemd/system/nvidia-smi-exporter.service
+    mode: 644
+    owner: root
+    group: root
+  tags:
+    - service-files
+
+- name: install service files
+  command: systemctl daemon-reload
+
+- name: enable service at boot
+  systemd:
+    name: nvidia-smi-exporter.service
+    enabled: yes
+
+- name: make sure servcies are started.
+  systemd:
+    name: nvidia-smi-exporter.service
+    state: restarted
+  tags:
+    - start-service

roles/nvidia_smi_exporter/templates/nvidia-smi-exporter.service

@@ -0,0 +1,10 @@
+[Unit]
+Description=prometheus node exporter
+
+[Service]
+TimeoutStartSec=0
+Restart=always
+ExecStart=/usr/local/prometheus/nvidia_smi_exporter 9101 \
+
+[Install]
+WantedBy=multi-user.target