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</pre></div><pre class="rust"><code><span class="kw">use </span>std::collections::HashMap;
<span class="kw">use </span>std::sync::Arc;

<span class="kw">use </span>tokio::sync::RwLock;
<span class="kw">use </span>tracing::{debug, error};

<span class="kw">use </span><span class="kw">crate</span>::MachineStats;
<span class="kw">use </span><span class="kw">crate</span>::MonitordStats;

<span class="kw">pub fn </span>filter_machines(
    machines: Vec&lt;<span class="kw">crate</span>::dbus::zbus_machines::ListedMachine&gt;,
    allowlist: Vec&lt;String&gt;,
    blocklist: Vec&lt;String&gt;,
) -&gt; Vec&lt;<span class="kw">crate</span>::dbus::zbus_machines::ListedMachine&gt; {
    machines
        .into_iter()
        .filter(|c| c.class == <span class="string">"container"</span>)
        .filter(|c| !blocklist.contains(<span class="kw-2">&amp;</span>c.name))
        .filter(|c| allowlist.is_empty() || allowlist.contains(<span class="kw-2">&amp;</span>c.name))
        .collect()
}

<span class="kw">pub async fn </span>get_machines(
    connection: <span class="kw-2">&amp;</span>zbus::Connection,
    config: <span class="kw-2">&amp;</span><span class="kw">crate</span>::config::Config,
) -&gt; <span class="prelude-ty">Result</span>&lt;HashMap&lt;String, u32&gt;, zbus::Error&gt; {
    <span class="kw">let </span>c = <span class="kw">crate</span>::dbus::zbus_machines::ManagerProxy::new(connection).<span class="kw">await</span><span class="question-mark">?</span>;
    <span class="kw">let </span><span class="kw-2">mut </span>results = HashMap::&lt;String, u32&gt;::new();

    <span class="kw">let </span>machines = c.list_machines().<span class="kw">await</span><span class="question-mark">?</span>;

    <span class="kw">for </span>machine <span class="kw">in </span>filter_machines(
        machines,
        config.machines.allowlist.clone(),
        config.machines.blocklist.clone(),
    ) {
        <span class="kw">let </span>m = c.get_machine(<span class="kw-2">&amp;</span>machine.name).<span class="kw">await</span><span class="question-mark">?</span>;
        <span class="kw">let </span>leader_pid = m.leader().<span class="kw">await</span><span class="question-mark">?</span>;
        results.insert(machine.name.to_string(), leader_pid);
    }

    <span class="prelude-val">Ok</span>(results)
}

<span class="kw">pub async fn </span>update_machines_stats(
    config: <span class="kw">crate</span>::config::Config,
    connection: zbus::Connection,
    locked_monitord_stats: Arc&lt;RwLock&lt;MonitordStats&gt;&gt;,
) -&gt; anyhow::Result&lt;()&gt; {
    <span class="kw">let </span>locked_machine_stats: Arc&lt;RwLock&lt;MachineStats&gt;&gt; =
        Arc::new(RwLock::new(MachineStats::default()));

    <span class="kw">for </span>(machine, leader_pid) <span class="kw">in </span>get_machines(<span class="kw-2">&amp;</span>connection, <span class="kw-2">&amp;</span>config).<span class="kw">await</span><span class="question-mark">?</span>.into_iter() {
        <span class="macro">debug!</span>(
            <span class="string">"Collecting container: machine: {} leader_pid: {}"</span>,
            machine, leader_pid
        );
        <span class="kw">let </span>container_address = <span class="macro">format!</span>(
            <span class="string">"unix:path=/proc/{}/root/run/dbus/system_bus_socket"</span>,
            leader_pid
        );
        <span class="kw">let </span>sdc = zbus::connection::Builder::address(container_address.as_str())<span class="question-mark">?
            </span>.build()
            .<span class="kw">await</span><span class="question-mark">?</span>;
        <span class="kw">let </span><span class="kw-2">mut </span>join_set = tokio::task::JoinSet::new();

        <span class="kw">if </span>config.pid1.enabled {
            join_set.spawn(<span class="kw">crate</span>::pid1::update_pid1_stats(
                leader_pid <span class="kw">as </span>i32,
                locked_machine_stats.clone(),
            ));
        }

        <span class="kw">if </span>config.networkd.enabled {
            join_set.spawn(<span class="kw">crate</span>::networkd::update_networkd_stats(
                config.networkd.link_state_dir.clone(),
                <span class="prelude-val">None</span>,
                sdc.clone(),
                locked_machine_stats.clone(),
            ));
        }

        <span class="kw">if </span>config.system_state.enabled {
            join_set.spawn(<span class="kw">crate</span>::system::update_system_stats(
                sdc.clone(),
                locked_machine_stats.clone(),
            ));
        }

        join_set.spawn(<span class="kw">crate</span>::system::update_version(
            sdc.clone(),
            locked_machine_stats.clone(),
        ));

        <span class="kw">if </span>config.units.enabled {
            join_set.spawn(<span class="kw">crate</span>::units::update_unit_stats(
                config.clone(),
                sdc.clone(),
                locked_machine_stats.clone(),
            ));
        }

        <span class="kw">while let </span><span class="prelude-val">Some</span>(res) = join_set.join_next().<span class="kw">await </span>{
            <span class="kw">match </span>res {
                <span class="prelude-val">Ok</span>(r) =&gt; <span class="kw">match </span>r {
                    <span class="prelude-val">Ok</span>(<span class="kw">_</span>) =&gt; (),
                    <span class="prelude-val">Err</span>(e) =&gt; {
                        <span class="macro">error!</span>(
                            <span class="string">"Collection specific failure (container {}): {:?}"</span>,
                            machine, e
                        );
                    }
                },
                <span class="prelude-val">Err</span>(e) =&gt; {
                    <span class="macro">error!</span>(<span class="string">"Join error (container {}): {:?}"</span>, machine, e);
                }
            }
        }

        {
            <span class="kw">let </span><span class="kw-2">mut </span>monitord_stats = locked_monitord_stats.write().<span class="kw">await</span>;
            <span class="kw">let </span>machine_stats = locked_machine_stats.read().<span class="kw">await</span>;
            monitord_stats
                .machines
                .insert(machine.clone(), machine_stats.clone());
        }
    }

    <span class="prelude-val">Ok</span>(())
}

<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
    <span class="kw">use </span>zbus::zvariant::OwnedObjectPath;

    <span class="attr">#[test]
    </span><span class="kw">fn </span>test_filter_machines() {
        <span class="kw">let </span>machines = <span class="macro">vec!</span>[
            <span class="kw">crate</span>::dbus::zbus_machines::ListedMachine {
                name: <span class="string">"foo"</span>.to_string(),
                class: <span class="string">"container"</span>.to_string(),
                service: <span class="string">""</span>.to_string(),
                path: OwnedObjectPath::try_from(<span class="string">"/sample/object"</span>).unwrap(),
            },
            <span class="kw">crate</span>::dbus::zbus_machines::ListedMachine {
                name: <span class="string">"bar"</span>.to_string(),
                class: <span class="string">"container"</span>.to_string(),
                service: <span class="string">""</span>.to_string(),
                path: OwnedObjectPath::try_from(<span class="string">"/sample/object"</span>).unwrap(),
            },
            <span class="kw">crate</span>::dbus::zbus_machines::ListedMachine {
                name: <span class="string">"baz"</span>.to_string(),
                class: <span class="string">"container"</span>.to_string(),
                service: <span class="string">""</span>.to_string(),
                path: OwnedObjectPath::try_from(<span class="string">"/sample/object"</span>).unwrap(),
            },
        ];
        <span class="kw">let </span>allowlist = <span class="macro">vec!</span>[<span class="string">"foo"</span>.to_string(), <span class="string">"baz"</span>.to_string()];
        <span class="kw">let </span>blocklist = <span class="macro">vec!</span>[<span class="string">"bar"</span>.to_string()];

        <span class="kw">let </span>filtered = <span class="kw">super</span>::filter_machines(machines, allowlist, blocklist);

        <span class="macro">assert_eq!</span>(filtered.len(), <span class="number">2</span>);
        <span class="macro">assert_eq!</span>(filtered[<span class="number">0</span>].name, <span class="string">"foo"</span>);
        <span class="macro">assert_eq!</span>(filtered[<span class="number">1</span>].name, <span class="string">"baz"</span>);
    }
}
</code></pre></div></section></main></body></html>