tmp

chris-here-bitte/templates/alloy/blackbox-exporter-config.yaml

@@ -0,0 +1,24 @@
+# {{ ansible_managed }}
+modules:
+  https4_2xx:
+    prober: http
+    http:
+      valid_status_codes: [ ]  # Defaults to 2xx
+      method: GET
+      follow_redirects: true
+      fail_if_ssl: false
+      fail_if_not_ssl: true
+      preferred_ip_protocol: "ip4"
+      ip_protocol_fallback: false
+
+  tcp4_connect:
+    prober: tcp
+    tcp:
+      preferred_ip_protocol: "ip4"
+      ip_protocol_fallback: false
+
+  icmp4:
+    prober: icmp
+    icmp:
+      preferred_ip_protocol: "ip4"
+      ip_protocol_fallback: false

chris-here-bitte/templates/alloy/blackbox-exporter.alloy

@@ -0,0 +1,102 @@
+// {{ ansible_managed }}
+// For a full configuration reference, see https://grafana.com/docs/alloy
+
+discovery.http "netbox_devices" {
+  url = "{{ alloy_netbox_uri | mandatory }}/api/plugins/prometheus-sd/devices/"
+  http_headers = {
+    "Authorization" = [ "Token {{ alloy_netbox_api_key | mandatory }}" ],
+  }
+}
+
+// ICMP probe definitions
+discovery.relabel "icmp_probes_netbox" {
+  targets = discovery.http.netbox_devices.targets
+
+  // drop devices which don't have an IP address
+  rule {
+      source_labels = [ "__meta_netbox_primary_ip4" ]
+      regex = ".+"
+      action = "keep"
+  }
+
+  // configure target metadata from discovery
+  rule {
+    source_labels = [ "__meta_netbox_primary_ip4" ]
+    target_label = "address"
+  }
+  rule {
+    source_labels = [ "__meta_netbox_name" ]
+    target_label = "name"
+  }
+  rule {
+    source_labels = [ "__meta_netbox_location" ]
+    target_label = "location"
+  }
+  rule {
+    source_labels = [ "__meta_netbox_role" ]
+    target_label = "netbox_role"
+  }
+  rule {
+    source_labels = [ "__meta_netbox_status" ]
+    target_label = "netbox_status"
+  }
+
+  // set probe module to icmp4 to execute pings via ipv4
+  rule {
+    target_label = "module"
+    replacement = "icmp4"
+  }
+}
+
+
+discovery.file "icmp_probes" {
+  files = [ "/etc/alloy/icmp_probes.json" ]
+}
+
+
+prometheus.exporter.blackbox "icmp" {
+  config_file = "/etc/alloy/blackbox-exporter-config.yaml"
+  targets = discovery.file.icmp_probes.targets
+}
+
+
+
+// HTTPS probe definitions
+prometheus.exporter.blackbox "web" {
+  config_file = "/etc/alloy/blackbox-exporter-config.yaml"
+
+  target {
+    name = "eurofurence.org"
+    address = "https://www.eurofurence.org/EF29/"
+    module = "https4_2xx"
+    labels = { probed_instance = "eurofurence.org" }
+  }
+}
+
+
+
+// scraping config
+discovery.relabel "blackbox_probes" {
+  targets = array.concat(
+    prometheus.exporter.blackbox.icmp.targets,
+    prometheus.exporter.blackbox.web.targets,
+  )
+
+  // add "probe_module" label based on which probe module was used
+  rule {
+    source_labels = [ "__param_module" ]
+    target_label = "probe_module"
+  }
+  // add "probe_target" label based on what was probed
+  rule {
+    source_labels = [ "__param_target" ]
+    target_label = "probe_target"
+  }
+}
+
+prometheus.scrape "blackbox_probes" {
+  targets = discovery.relabel.blackbox_probes.output
+  forward_to = [ prometheus.remote_write.ef_mimir.receiver ]
+  scrape_interval = "30s"
+  scrape_timeout = "30s"
+}

chris-here-bitte/templates/alloy/icmp_probes.json

@@ -0,0 +1,34 @@
+[
+  {% for i in query("netbox.netbox.nb_lookup", "devices", api_endpoint="https://netbox.ef.scientress.de/") -%}
+  {% if i.value.role.slug not in ["patchpanel", "accesspoint"] -%}
+  {
+    "targets": [ "" ],
+    "labels": {
+      "name": "{{ i.value.name }}",
+      "probed_instance": "{{ i.value.name }}",
+      "location": "{{ i.value.location.name | default("unknown") }}",
+      "netbox_type": "device",
+      "netbox_role": "{{ i.value.role.slug | default("undefined") }}",
+      "netbox_status": "{{ i.value.status.value }}",
+      "module": "icmp4",
+      "address": "{{ (i.value.primary_ip4.address | default("192.0.2.0/24")).rsplit("/", maxsplit=1) | first }}"
+    }
+  },
+  {% endif %}
+  {% endfor %}
+
+  {% for i in query("netbox.netbox.nb_lookup", "virtual-machines", api_endpoint="https://netbox.ef.scientress.de/") -%}
+  {
+    "targets": [ "" ],
+    "labels": {
+      "name": "{{ i.value.name }}",
+      "probed_instance": "{{ i.value.name }}",
+      "netbox_type": "virtual-machine",
+      "netbox_role": "{{ i.value.role.slug | default("undefined") }}",
+      "netbox_status": "{{ i.value.status.value }}",
+      "module": "icmp4",
+      "address": "{{ (i.value.primary_ip4.address | default("192.0.2.0/24")).rsplit("/", maxsplit=1) | first }}"
+    }
+  }{% if not loop.last %},{% endif %}
+  {% endfor %}
+]

chris-here-bitte/templates/alloy/syslog.alloy

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+// {{ ansible_managed }}
+// For a full configuration reference, see https://grafana.com/docs/alloy
+
+otelcol.receiver.syslog "ef_syslog" {
+  location = "Europe/Berlin"
+
+  tcp {
+    listen_address = "{{ primary_ip4 }}:514"
+  }
+  udp {
+    listen_address = "{{ primary_ip4 }}:514"
+  }
+
+  output {
+    logs = [ otelcol.processor.batch.default.input ]
+    metrics = [ otelcol.processor.batch.default.input ]
+    traces = [ otelcol.processor.batch.default.input ]
+  }
+}