Introduce meta-unit-virtualization

Primary motivation for this is removing observability containers from beaglebone black because of RAM limitations. Images can now include the observability containers by adding `observability` to `IMAGE_FEATURES`.

1 files changed, 28 insertions, 0 deletions

diff --git a/meta-unit-virtualization/recipes-containers/prometheus/files/prometheus.yml b/meta-unit-virtualization/recipes-containers/prometheus/files/prometheus.yml
new file mode 100644
index 0000000..f4b09a4
--- /dev/null
+++ b/meta-unit-virtualization/recipes-containers/prometheus/files/prometheus.yml
@@ -0,0 +1,28 @@
+global:
+  scrape_interval:     15s # By default, scrape targets every 15 seconds.
+
+  # Attach these labels to any time series or alerts when communicating with
+  # external systems (federation, remote storage, Alertmanager).
+  external_labels:
+    monitor: 'prometheus-monitor'
+
+# A scrape configuration containing exactly one endpoint to scrape:
+# Here it's Prometheus itself.
+scrape_configs:
+  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
+  - job_name: 'prometheus'
+
+    # Override the global default and scrape targets from this job every 5 seconds.
+    scrape_interval: 5s
+
+    static_configs:
+      - targets: ['localhost:9090']
+
+  # https://prometheus.io/docs/prometheus/latest/configuration/configuration/#file_sd_config
+  - job_name: 'file-based-discovery'
+    file_sd_configs:
+      - files:
+        - '/etc/prometheus/targets.d/*.yml'
+        - '/etc/prometheus/targets.d/*.yaml'
+        - '/etc/prometheus/targets.d/*.json'
+        refresh_interval: 5m