From b6a27c9b547a2d561f71fe1712daaaff69e30bc4 Mon Sep 17 00:00:00 2001
From: Nicolas Arenas <narenas@qindel.com>
Date: Mon, 28 Jul 2025 15:58:54 +0200
Subject: [PATCH] Minor changes

---
 debian/oglog.config                           |  1 +
 debian/oglog.postinst                         | 24 +++++++++++++++++++
 debian/oglog.templates                        |  5 ++++
 .../provisioning/datasources/prometheus.yaml  |  2 +-
 4 files changed, 31 insertions(+), 1 deletion(-)

diff --git a/debian/oglog.config b/debian/oglog.config
index 7e4df68..571cac1 100755
--- a/debian/oglog.config
+++ b/debian/oglog.config
@@ -7,6 +7,7 @@ db_input high opengnsys/oglog_ogCoreIp || true
 db_input high opengnsys/oglog_ogLogIp || true
 db_input high opengnsys/oglog_subdomain || true
 db_input high opengnsys/oglog_certificateAltNames || true 
+db_input high opengnsys/oglog_nodeExporterTargets || true
 
 # Lanzar el diálogo con el usuario
 db_go
\ No newline at end of file
diff --git a/debian/oglog.postinst b/debian/oglog.postinst
index 226d126..a5a904a 100755
--- a/debian/oglog.postinst
+++ b/debian/oglog.postinst
@@ -15,6 +15,8 @@ db_get opengnsys/oglog_subdomain
 SUBDOMAIN="$RET"
 db_get opengnsys/oglog_certificateAltNames
 CERT_ALT_NAMES="$RET"
+db_get opengnsys/oglog_nodeExporterTargets
+NODE_EXPORTER_TARGETS="$RET"
 
 export OGCORE_SERVER
 export OGLOG_SERVER
@@ -246,6 +248,27 @@ create_opensearch_index() {
     done
 }
 
+
+configure_prometheus() {
+    local PROMETHEUS_CONFIG="/etc/prometheus/prometheus.yml"
+    IFS=',' read -r -a HOST_ARRAY <<< "$NODE_EXPORTER_TARGETS"
+
+    # Configurar Prometheus para monitorear OpenSearch y OpenSearch Dashboards
+    echo "Configuring Prometheus with OpenSearch and OpenSearch Dashboards targets..."
+    cat > "$PROMETHEUS_CONFIG" <<EOF
+global:
+  scrape_interval: 15s
+  evaluation_interval: 15s
+scrape_configs:
+  - job_name: 'node_exporter'
+    static_configs:
+      - targets:
+EOF
+    for HOST in "${HOST_ARRAY[@]}"; do
+        echo "        - $HOST:9100" >> "$PROMETHEUS_CONFIG"
+    done
+}
+
 restart_services() {
     echo "Restarting services..."
     systemctl daemon-reload
@@ -282,6 +305,7 @@ case $1 in
             configure_opensearch_dashboards_certificates
             configure_journalbeat_certificates
             configure_grafana
+            configure_prometheus
             restart_services
             sleep 5
             echo "Creating OpenSearch index patterns and initial index..."
diff --git a/debian/oglog.templates b/debian/oglog.templates
index a2b21ed..03f80b0 100644
--- a/debian/oglog.templates
+++ b/debian/oglog.templates
@@ -23,3 +23,8 @@ Type: string
 Default: opengnsys
 Description: Introduzca el subdominio para OpenGNSys Log
 
+Template: opengnsys/oglog_nodeExporterTargets
+Type: string
+Default: localhost
+Description: Introduzca los targets de Node Exporter separados por comas
+
diff --git a/etc/grafana/provisioning/datasources/prometheus.yaml b/etc/grafana/provisioning/datasources/prometheus.yaml
index 9f7e2cc..0cdf901 100644
--- a/etc/grafana/provisioning/datasources/prometheus.yaml
+++ b/etc/grafana/provisioning/datasources/prometheus.yaml
@@ -3,6 +3,6 @@ datasources:
   - name: Prometheus
     type: prometheus
     access: proxy
-    url: https://${OGLOG_SERVER}:9090
+    url: http://${OGLOG_SERVER}:9090
     isDefault: true