---
# matrix-prometheus is an open-source systems monitoring and alerting toolkit
# See: https://github.com/matrix-org/synapse/blob/master/docs/metrics-howto.md
# Project source code URL: https://github.com/prometheus/prometheus

matrix_prometheus_enabled: false

matrix_prometheus_version: v2.42.0
matrix_prometheus_docker_image: "{{ matrix_container_global_registry_prefix }}prom/prometheus:{{ matrix_prometheus_version }}"
matrix_prometheus_docker_image_force_pull: "{{ matrix_prometheus_docker_image.endswith(':latest') }}"

matrix_prometheus_base_path: "{{ matrix_base_data_path }}/prometheus"
matrix_prometheus_config_path: "{{ matrix_prometheus_base_path }}/config"
matrix_prometheus_data_path: "{{ matrix_prometheus_base_path }}/data"

# A list of extra arguments to pass to the container
matrix_prometheus_container_extra_arguments: []

# List of systemd services that matrix-prometheus.service depends on
matrix_prometheus_systemd_required_services_list: ['docker.service']

# List of systemd services that matrix-prometheus.service wants
matrix_prometheus_systemd_wanted_services_list: []

# The base container network. It will be auto-created by this role if it doesn't exist already.
matrix_prometheus_container_network: ''

# A list of additional container networks that the container would be connected to.
# The role does not create these networks, so make sure they already exist.
# Use this to expose this container to another reverse proxy, which runs in a different container network.
matrix_prometheus_container_additional_networks: []

# Controls whether the matrix-prometheus container exposes its HTTP port (tcp/9090 in the container).
#
# Takes an "<ip>:<port>" or "<port>" value (e.g. "127.0.0.1:9090"), or empty string to not expose.
matrix_prometheus_container_http_host_bind_port: ''

# A list of default arguments to pass to the prometheus process
matrix_prometheus_process_default_arguments:
  - "--config.file=/etc/prometheus/prometheus.yml"
  - "--storage.tsdb.path=/prometheus"
  - "--web.console.libraries=/usr/share/prometheus/console_libraries"
  - "--web.console.templates=/usr/share/prometheus/consoles"

# A list of extra arguments to pass to the prometheus process
matrix_prometheus_process_extra_arguments: []

# holds the final list of process arguments
matrix_prometheus_process_arguments: "{{ matrix_prometheus_process_default_arguments + matrix_prometheus_process_extra_arguments }}"

# Tells whether the "synapse" scraper configuration is enabled.
matrix_prometheus_scraper_synapse_enabled: false

# Tells whether to download and load a Synapse rules file
matrix_prometheus_scraper_synapse_rules_enabled: "{{ matrix_prometheus_scraper_synapse_enabled }}"
matrix_prometheus_scraper_synapse_rules_synapse_tag: "master"
matrix_prometheus_scraper_synapse_rules_download_url: "https://raw.githubusercontent.com/matrix-org/synapse/{{ matrix_prometheus_scraper_synapse_rules_synapse_tag }}/contrib/prometheus/synapse-v2.rules"

matrix_prometheus_scraper_synapse_targets: []
matrix_prometheus_scraper_synapse_workers_enabled_list: []

# Tells whether the "node" scraper configuration is enabled.
# This configuration aims to scrape the current node (this server).
matrix_prometheus_scraper_node_enabled: false

# Target addresses for the "node" scraper configuration.
# Unless you define this as a non-empty list, it gets populated at runtime with the IP address of `matrix-prometheus-node-exporter` and port 9100.
matrix_prometheus_scraper_node_targets: []

# Default prometheus configuration template which covers the generic use case.
# You can customize it by controlling the various variables inside it.
#
# For a more advanced customization, you can extend the default (see `matrix_prometheus_configuration_extension_yaml`)
# or completely replace this variable with your own template.
matrix_prometheus_configuration_yaml: "{{ lookup('template', 'templates/prometheus.yml.j2') }}"

matrix_prometheus_configuration_extension_yaml: |
  # Your custom YAML configuration goes here.
  # This configuration extends the default starting configuration (`matrix_prometheus_configuration_yaml`).
  #
  # You can override individual variables from the default configuration, or introduce new ones.
  #
  # If you need something more special, you can take full control by
  # completely redefining `matrix_prometheus_configuration_yaml`.

matrix_prometheus_configuration_extension: "{{ matrix_prometheus_configuration_extension_yaml | from_yaml if matrix_prometheus_configuration_extension_yaml | from_yaml is mapping else {} }}"

# Holds the final configuration (a combination of the default and its extension).
# You most likely don't need to touch this variable. Instead, see `matrix_prometheus_configuration_yaml`.
matrix_prometheus_configuration: "{{ matrix_prometheus_configuration_yaml | from_yaml | combine(matrix_prometheus_configuration_extension, recursive=True) }}"