// 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"
    }
}