mirror of
https://github.com/spantaleev/matrix-docker-ansible-deploy.git
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4e2780ff88
This commit introduces a new role that downloads and installs the prometheus community postgres exporter https://github.com/prometheus-community/postgres_exporter. A new credential is added to matrix_postgres_additional_databases that allows the exporter access to the database to gather statistics. A new dashboard was added to the grafana role, with some refactoring to enable the dashboard only if the new role is enabled. I've included some basic instructions for how to enable the role in the Docs section. In terms of testing, I've tested enabling the role, and disabling it to make sure it cleans up the container and systemd role.
43 lines
1.7 KiB
Django/Jinja
43 lines
1.7 KiB
Django/Jinja
#jinja2: lstrip_blocks: "True"
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[Unit]
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Description=matrix-prometheus-postgres-exporter
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{% for service in matrix_prometheus_postgres_exporter_systemd_required_services_list %}
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Requires={{ service }}
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After={{ service }}
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{% endfor %}
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{% for service in matrix_prometheus_postgres_exporter_systemd_wanted_services_list %}
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Wants={{ service }}
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{% endfor %}
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DefaultDependencies=no
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[Service]
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Type=simple
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Environment="HOME={{ matrix_systemd_unit_home_path }}"
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ExecStartPre=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} kill matrix-prometheus-postgres-exporter 2>/dev/null'
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ExecStartPre=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} rm matrix-prometheus-postgres-exporter 2>/dev/null'
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ExecStart={{ matrix_host_command_docker }} run --rm --name matrix-prometheus-postgres-exporter \
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--log-driver=none \
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--user={{ matrix_user_uid }}:{{ matrix_user_gid }} \
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--cap-drop=ALL \
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--read-only \
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{% for arg in matrix_prometheus_postgres_exporter_container_extra_arguments %}
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{{ arg }} \
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{% endfor %}
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--network={{ matrix_docker_network }} \
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{% if matrix_prometheus_postgres_exporter_container_http_host_bind_port %}
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-p {{ matrix_prometheus_postgres_exporter_container_http_host_bind_port }}:{{matrix_prometheus_postgres_exporter_port}} \
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{% endif %}
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--pid=host \
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{{ matrix_prometheus_postgres_exporter_docker_image }}
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ExecStop=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} kill matrix-prometheus-postgres-exporter 2>/dev/null'
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ExecStop=-{{ matrix_host_command_sh }} -c '{{ matrix_host_command_docker }} rm matrix-prometheus-postgres-exporter 2>/dev/null'
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Restart=always
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RestartSec=30
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SyslogIdentifier=matrix-prometheus-postgres-exporter
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[Install]
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WantedBy=multi-user.target
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