[修改]修改了时间配置的变量对应，添加了supervisor启动配置，增加了Prometheus对应的confd模版

docker/prometheus/confd/conf.d/prometheus.toml

@@ -0,0 +1,8 @@
+[template]
+src = "prometheus.tmpl"
+dest = "/prometheus.yml"
+keys = [
+  "/time/",
+]a
+
+

docker/prometheus/confd/confd.toml

@@ -0,0 +1,6 @@
+backend = "etcd"
+nodes = [
+  "http://etcd:2379",
+]
+watch = true
+

docker/prometheus/confd/templates/prometheus.tmpl

@@ -0,0 +1,13 @@
+global:
+  scrape_interval: {{ getv "/time/global_scrape_interval" }}
+
+scrape_configs:
+  - job_name: 'node_exporter'
+    scrape_interval: {{ getv "/time/node_exporter_scrape_interval" }}
+    static_configs:
+      - targets: [ 'node-exporter:9100' ]
+
+  - job_name: 'opcua_exporter'
+    scrape_interval: {{ getv "/time/opcua_scrape_interval" }}
+    static_configs:
+      - targets: [ 'opcua-exporter:8191' ]