Thomas Gräfenstein
926766346c
Add cAdvisor container to the monitoring stack for container-level metrics. Configure Alloy to scrape cAdvisor. Expand the README Recommended Alerts section with exact PromQL/LogQL queries, thresholds, and Grafana alert rule configuration for all five alerts.
79 lines
2.0 KiB
Plaintext
79 lines
2.0 KiB
Plaintext
// ============================================================
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// Docker log collection -> Grafana Cloud Loki
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// ============================================================
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discovery.docker "containers" {
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host = "http://docker-socket-proxy:2375"
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}
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discovery.relabel "containers" {
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targets = discovery.docker.containers.targets
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rule {
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source_labels = ["__meta_docker_container_name"]
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target_label = "container"
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}
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rule {
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source_labels = ["__meta_docker_container_name"]
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target_label = "job"
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}
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}
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loki.source.docker "containers" {
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host = "http://docker-socket-proxy:2375"
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targets = discovery.relabel.containers.output
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forward_to = [loki.write.grafana_cloud.receiver]
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}
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loki.write "grafana_cloud" {
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endpoint {
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url = env("GRAFANA_CLOUD_LOKI_URL")
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basic_auth {
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username = env("GRAFANA_CLOUD_LOKI_USER")
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password = env("GRAFANA_CLOUD_API_KEY")
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}
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}
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}
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// ============================================================
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// Node exporter metrics -> Grafana Cloud Prometheus
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// ============================================================
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prometheus.exporter.unix "node" {
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procfs_path = "/host/proc"
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sysfs_path = "/host/sys"
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rootfs_path = "/host/root"
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}
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prometheus.scrape "node" {
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targets = prometheus.exporter.unix.node.targets
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forward_to = [prometheus.remote_write.grafana_cloud.receiver]
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scrape_interval = "60s"
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}
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// ============================================================
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// cAdvisor container metrics -> Grafana Cloud Prometheus
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// ============================================================
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prometheus.scrape "cadvisor" {
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targets = [{"__address__" = "cadvisor:8080"}]
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forward_to = [prometheus.remote_write.grafana_cloud.receiver]
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scrape_interval = "60s"
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metrics_path = "/metrics"
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}
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prometheus.remote_write "grafana_cloud" {
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endpoint {
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url = env("GRAFANA_CLOUD_PROMETHEUS_URL")
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basic_auth {
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username = env("GRAFANA_CLOUD_PROMETHEUS_USER")
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password = env("GRAFANA_CLOUD_API_KEY")
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}
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}
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}
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