[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/Dockerfile

@@ -2,6 +2,7 @@ FROM openeuler/openeuler:24.03
 
 RUN dnf update -y && \
     dnf clean all && \
+    dnf install -y supervisor &&\
     rm -rf /var/cache/dnf/*
 
 RUN curl -fsSL https://github.com/prometheus/prometheus/releases/download/v2.54.0/prometheus-2.54.0.linux-amd64.tar.gz | tar -xz -C /usr/local/bin && \
@@ -9,9 +10,13 @@ RUN curl -fsSL https://github.com/prometheus/prometheus/releases/download/v2.54.
     rm /usr/local/bin/prometheus-* -rf && \
     chmod +x /usr/local/bin/prometheus
 
+RUN curl -fsSL https://github.com/abtreece/confd/releases/download/v0.20.0/confd-v0.20.0-linux-amd64.tar.gz | tar -xz -C /usr/local/bin && \
+    chmod +x /usr/local/bin/confd
+
 RUN mkdir /etc/prometheus/
 
 COPY prometheus.yml /etc/prometheus/prometheus.yml
 
-CMD ["prometheus", "--config.file=/etc/prometheus/prometheus.yml"]
+COPY COPY ./supervisord/ /etc/supervisord/
 
+CMD [ "supervisord", "-c", "/etc/supervisord/supervisord.conf" ]

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' ]

docker/prometheus/supervisord/supervisord.conf

@@ -0,0 +1,20 @@
+[supervisord]
+nodaemon=true              ; 让 supervisor 运行在前台，保持容器不退出
+logfile=/var/log/supervisor/supervisord.log
+pidfile=/var/run/supervisord.pid
+
+[program:confd]
+command=/usr/local/bin/confd -config-file /etc/confd/confd.toml
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/confd.err.log
+stdout_logfile=/var/log/confd.out.log
+
+[program:prometheus]
+command=/usr/local/bin/prometheus --config.file=/etc/prometheus/prometheus.yml
+autostart=true
+autorestart=true
+stderr_logfile=/var/log/prometheus.err.log
+stdout_logfile=/var/log/prometheus.out.log
+
+