Merge branch 'main' of ssh://git.limbosolutions.com:2222/myLimbo/ansible.collection.globals

roles/grafana_alloy/README.md

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+# Grafana Aloy
+
+## Requirements
+
+``` bash
+collections:
+  - name: grafana.grafana
+    version: 6.1.0
+```
+
+## Examples
+
+``` yaml
+---
+    - name: Grafana Alloy
+      ansible.builtin.include_role:
+        name: myLimbo.globals.grafana_alloy
+      vars:
+        alloy_version: "1.19.0"
+        prometheus:
+          remote_write:
+            endpoint:
+              url: "{{ prometheus_address }}/api/v1/write"
+        loki:
+          endpoint:
+            url: "{{ loki_address }}/loki/api/v1/push" 
+          labels:
+            zone: srv-vlan
+---
+```

roles/grafana_alloy/meta/main.yml

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+galaxy_info:
+  author: mf
+  description: grafana alloy role
+  company: limbosolutions
+
+  # If the issue tracker for your role is not on github, uncomment the
+  # next line and provide a value
+  # issue_tracker_url: http://example.com/issue/tracker
+
+  # Choose a valid license ID from https://spdx.org - some suggested licenses:
+  # - BSD-3-Clause (default)
+  # - MIT
+  # - GPL-2.0-or-later
+  # - GPL-3.0-only
+  # - Apache-2.0
+  # - CC-BY-4.0
+  license: license (GPL-2.0-or-later, MIT, etc)
+
+  min_ansible_version: 2.1
+
+  # If this a Container Enabled role, provide the minimum Ansible Container version.
+  # min_ansible_container_version:
+
+  #
+  # Provide a list of supported platforms, and for each platform a list of versions.
+  # If you don't wish to enumerate all versions for a particular platform, use 'all'.
+  # To view available platforms and versions (or releases), visit:
+  # https://galaxy.ansible.com/api/v1/platforms/
+  #
+  # platforms:
+  # - name: Fedora
+  #   versions:
+  #   - all
+  #   - 25
+  # - name: SomePlatform
+  #   versions:
+  #   - all
+  #   - 1.0
+  #   - 7
+  #   - 99.99
+
+  galaxy_tags: []
+    # List tags for your role here, one per line. A tag is a keyword that describes
+    # and categorizes the role. Users find roles by searching for tags. Be sure to
+    # remove the '[]' above, if you add tags to this list.
+    #
+    # NOTE: A tag is limited to a single word comprised of alphanumeric characters.
+    #       Maximum 20 tags per role.
+
+dependencies: []
+  # List your role dependencies here, one per line. Be sure to remove the '[]' above,
+  # if you add dependencies to this list.
+collections:
+  - grafana.alloy

roles/grafana_alloy/tasks/main.yml

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+
+- name: Render Alloy config 
+  set_fact:
+    __mylimbo_globals_alloy_config_content: "{{ lookup('template', 'template/config.alloy.j2') }}"
+
+- name: Install Alloy
+  ansible.builtin.include_role:
+    name: grafana.grafana.alloy
+  vars:
+    # documentation:
+    # https://grafana.com/docs/grafana-cloud/observe-and-act/send-data/alloy/monitor/monitor-linux/
+    alloy_config: "{{ __mylimbo_globals_alloy_config_content }}"
+    

roles/grafana_alloy/templates/config.alloy.j2

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+// metrics - prometheus srv
+prometheus.remote_write "prom_srv" {
+    endpoint {
+        url = "{{ prometheus.remote_write.endpoint.url }}"
+    }
+}
+
+// metrics - scrape config
+prometheus.scrape "integrations_node_exporter" {
+    scrape_interval = "15s"
+    targets    = discovery.relabel.integrations_node_exporter.output
+    forward_to = [prometheus.remote_write.prom_srv.receiver]
+}
+
+// metrics - relabel
+discovery.relabel "integrations_node_exporter" {
+targets = prometheus.exporter.unix.integrations_node_exporter.targets
+
+    rule {
+        target_label = "instance"
+        replacement  = constants.hostname
+    }
+
+    rule {
+        target_label = "job"
+        replacement = "node-exporter"
+    }
+}
+
+
+// metrics - node exporter
+prometheus.exporter.unix "integrations_node_exporter" {
+    disable_collectors = ["ipvs", "btrfs", "infiniband", "xfs", "zfs"]
+    enable_collectors = ["meminfo"]
+
+    filesystem {
+        fs_types_exclude     = "^(autofs|binfmt_misc|bpf|cgroup2?|configfs|debugfs|devpts|devtmpfs|tmpfs|fusectl|hugetlbfs|iso9660|mqueue|nsfs|overlay|proc|procfs|pstore|rpc_pipefs|securityfs|selinuxfs|squashfs|sysfs|tracefs)$"
+        mount_points_exclude = "^/(dev|proc|run/credentials/.+|sys|var/lib/docker/.+)($|/)"
+        mount_timeout        = "5s"
+    }
+
+    netclass {
+        ignored_devices = "^(veth.*|cali.*|[a-f0-9]{15})$"
+    }
+
+    netdev {
+        device_exclude = "^(veth.*|cali.*|[a-f0-9]{15})$"
+    }
+}        
+
+// logs loki
+loki.write "loki_srv" {
+    endpoint {
+        url = "{{ loki.endpoint.url }}"
+    }
+}
+
+// logs - journald
+loki.source.journal "logs_journal_scrape" {
+    max_age       = "24h0m0s"
+    relabel_rules = discovery.relabel.logs_journal_scrape.rules
+    forward_to    = [loki.write.loki_srv.receiver]
+
+    labels = {
+        host = "{{ inventory_hostname }}",
+        {% if loki.labels is defined and loki.labels %}
+        {% for key, value in loki.labels.items() %}
+        {{ key }} = "{{ value }}",
+        {% endfor %}
+        {% endif %}
+    }
+}
+
+// logs - journald - relabel
+discovery.relabel "logs_journal_scrape" {
+    targets = []
+
+    rule {
+        source_labels = ["__journal__systemd_unit"]
+        target_label  = "systemd_unit"
+    }
+
+    rule {
+        source_labels = ["__journal_syslog_identifier"]
+        target_label  = "syslog_identifier"
+    }
+
+    rule {
+        source_labels = ["__journal__transport"]
+        target_label  = "journal_transport"
+    }
+
+    rule {
+        source_labels = ["__journal_priority_keyword"]
+        target_label  = "level"
+    }
+}
+