moved stats into own folder

WatcherAgent/src/docker/stats/cpu.rs

@@ -0,0 +1,96 @@
+use super::ContainerCpuInfo;
+use bollard::query_parameters::{ListContainersOptions, StatsOptions};
+use bollard::Docker;
+use futures_util::stream::TryStreamExt;
+use std::error::Error;
+
+/// Get CPU statistics for all containers
+pub async fn get_all_containers_cpu_stats(
+    docker: &Docker,
+) -> Result<Vec<ContainerCpuInfo>, Box<dyn Error + Send + Sync>> {
+    let containers = docker
+        .list_containers(Some(ListContainersOptions {
+            all: true,
+            ..Default::default()
+        }))
+        .await?;
+
+    let mut cpu_infos = Vec::new();
+
+    for container in containers {
+        let id = container.id.unwrap_or_default();
+
+        // Skip if no ID
+        if id.is_empty() {
+            continue;
+        }
+
+        if let Some(cpu_info) = get_single_container_cpu_stats(docker, &id).await? {
+            cpu_infos.push(cpu_info);
+        }
+    }
+
+    Ok(cpu_infos)
+}
+
+/// Get CPU statistics for a specific container
+pub async fn get_single_container_cpu_stats(
+    docker: &Docker,
+    container_id: &str,
+) -> Result<Option<ContainerCpuInfo>, Box<dyn Error + Send + Sync>> {
+    let mut stats_stream = docker.stats(
+        container_id,
+        Some(StatsOptions {
+            stream: false,
+            one_shot: true,
+        }),
+    );
+
+    if let Some(stats) = stats_stream.try_next().await? {
+        if let (Some(cpu_stats), Some(precpu_stats)) = (&stats.cpu_stats, &stats.precpu_stats) {
+            if let (Some(cpu_usage), Some(pre_cpu_usage)) =
+                (&cpu_stats.cpu_usage, &precpu_stats.cpu_usage)
+            {
+                let cpu_delta = cpu_usage
+                    .total_usage
+                    .unwrap_or(0)
+                    .saturating_sub(pre_cpu_usage.total_usage.unwrap_or(0));
+
+                let system_delta = cpu_stats
+                    .system_cpu_usage
+                    .unwrap_or(0)
+                    .saturating_sub(precpu_stats.system_cpu_usage.unwrap_or(0));
+
+                let online_cpus = cpu_stats.online_cpus.unwrap_or(1);
+
+                let cpu_percent = if system_delta > 0 && online_cpus > 0 {
+                    (cpu_delta as f64 / system_delta as f64) * online_cpus as f64 * 100.0
+                } else {
+                    0.0
+                };
+
+                return Ok(Some(ContainerCpuInfo {
+                    container_id: container_id.to_string(),
+                    cpu_usage_percent: cpu_percent,
+                    system_cpu_usage: cpu_stats.system_cpu_usage.unwrap_or(0),
+                    container_cpu_usage: cpu_usage.total_usage.unwrap_or(0),
+                    online_cpus,
+                }));
+            }
+        }
+    }
+
+    Ok(None)
+}
+
+/// Get average CPU usage across all containers
+pub async fn get_average_cpu_usage(docker: &Docker) -> Result<f64, Box<dyn Error + Send + Sync>> {
+    let cpu_infos = get_all_containers_cpu_stats(docker).await?;
+
+    if cpu_infos.is_empty() {
+        return Ok(0.0);
+    }
+
+    let total_cpu: f64 = cpu_infos.iter().map(|cpu| cpu.cpu_usage_percent).sum();
+    Ok(total_cpu / cpu_infos.len() as f64)
+}

WatcherAgent/src/docker/stats/mod.rs

@@ -0,0 +1,77 @@
+pub mod cpu;
+pub mod network;
+pub mod ram;
+
+use serde::{Deserialize, Serialize};
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct ContainerCpuInfo {
+    pub container_id: String,
+    pub cpu_usage_percent: f64,
+    pub system_cpu_usage: u64,
+    pub container_cpu_usage: u64,
+    pub online_cpus: u32,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct ContainerNetworkInfo {
+    pub container_id: String,
+    pub rx_bytes: u64,
+    pub tx_bytes: u64,
+    pub rx_packets: u64,
+    pub tx_packets: u64,
+    pub rx_errors: u64,
+    pub tx_errors: u64,
+}
+
+#[derive(Debug, Serialize, Deserialize, Clone)]
+pub struct ContainerMemoryInfo {
+    pub container_id: String,
+    pub memory_usage: u64,
+    pub memory_limit: u64,
+    pub memory_usage_percent: f64,
+}
+
+use bollard::Docker;
+use std::error::Error;
+
+/// Get container statistics for all containers using an existing Docker client
+pub async fn get_container_stats(
+    docker: &Docker,
+) -> Result<(Vec<ContainerCpuInfo>, Vec<ContainerNetworkInfo>, Vec<ContainerMemoryInfo>), Box<dyn Error + Send + Sync>> {
+    let cpu_infos = cpu::get_all_containers_cpu_stats(docker).await?;
+    let net_infos = network::get_all_containers_network_stats(docker).await?;
+    let mem_infos = ram::get_all_containers_memory_stats(docker).await?;
+
+    Ok((cpu_infos, net_infos, mem_infos))
+}
+
+/// Get container statistics for a specific container
+pub async fn get_single_container_stats(
+    docker: &Docker,
+    container_id: &str,
+) -> Result<(Option<ContainerCpuInfo>, Option<ContainerNetworkInfo>, Option<ContainerMemoryInfo>), Box<dyn Error + Send + Sync>>
+{
+    let cpu_info = cpu::get_single_container_cpu_stats(docker, container_id).await?;
+    let net_info = network::get_single_container_network_stats(docker, container_id).await?;
+    let mem_info = ram::get_single_container_memory_stats(docker, container_id).await?;
+
+    Ok((cpu_info, net_info, mem_info))
+}
+
+/// Get total network statistics across all containers
+pub async fn get_total_network_stats(
+    docker: &Docker,
+) -> Result<(u64, u64), Box<dyn Error + Send + Sync>> {
+    network::get_total_network_stats(docker).await
+}
+
+/// Get average CPU usage across all containers
+pub async fn get_average_cpu_usage(docker: &Docker) -> Result<f64, Box<dyn Error + Send + Sync>> {
+    cpu::get_average_cpu_usage(docker).await
+}
+
+/// Get total memory usage across all containers
+pub async fn get_total_memory_usage(docker: &Docker) -> Result<u64, Box<dyn Error + Send + Sync>> {
+    ram::get_total_memory_usage(docker).await
+}

WatcherAgent/src/docker/stats/network.rs

@@ -0,0 +1,79 @@
+use super::ContainerNetworkInfo;
+use bollard::query_parameters::{ListContainersOptions, StatsOptions};
+use bollard::Docker;
+use futures_util::stream::TryStreamExt;
+use std::error::Error;
+
+/// Get network statistics for all containers
+pub async fn get_all_containers_network_stats(
+    docker: &Docker,
+) -> Result<Vec<ContainerNetworkInfo>, Box<dyn Error + Send + Sync>> {
+    let containers = docker
+        .list_containers(Some(ListContainersOptions {
+            all: true,
+            ..Default::default()
+        }))
+        .await?;
+
+    let mut net_infos = Vec::new();
+
+    for container in containers {
+        let id = container.id.unwrap_or_default();
+
+        // Skip if no ID
+        if id.is_empty() {
+            continue;
+        }
+
+        if let Some(net_info) = get_single_container_network_stats(docker, &id).await? {
+            net_infos.push(net_info);
+        }
+    }
+
+    Ok(net_infos)
+}
+
+/// Get network statistics for a specific container
+pub async fn get_single_container_network_stats(
+    docker: &Docker,
+    container_id: &str,
+) -> Result<Option<ContainerNetworkInfo>, Box<dyn Error + Send + Sync>> {
+    let mut stats_stream = docker.stats(
+        container_id,
+        Some(StatsOptions {
+            stream: false,
+            one_shot: true,
+        }),
+    );
+
+    if let Some(stats) = stats_stream.try_next().await? {
+        if let Some(networks) = stats.networks {
+            // Take the first network interface (usually eth0)
+            if let Some((_name, net)) = networks.into_iter().next() {
+                return Ok(Some(ContainerNetworkInfo {
+                    container_id: container_id.to_string(),
+                    rx_bytes: net.rx_bytes.unwrap(),
+                    tx_bytes: net.tx_bytes.unwrap(),
+                    rx_packets: net.rx_packets.unwrap(),
+                    tx_packets: net.tx_packets.unwrap(),
+                    rx_errors: net.rx_errors.unwrap(),
+                    tx_errors: net.tx_errors.unwrap(),
+                }));
+            }
+        }
+    }
+
+    Ok(None)
+}
+
+/// Get total network statistics across all containers
+pub async fn get_total_network_stats(
+    docker: &Docker,
+) -> Result<(u64, u64), Box<dyn Error + Send + Sync>> {
+    let net_infos = get_all_containers_network_stats(docker).await?;
+
+    let total_rx: u64 = net_infos.iter().map(|net| net.rx_bytes).sum();
+    let total_tx: u64 = net_infos.iter().map(|net| net.tx_bytes).sum();
+
+    Ok((total_rx, total_tx))
+}

WatcherAgent/src/docker/stats/ram.rs

@@ -0,0 +1,77 @@
+use super::ContainerMemoryInfo;
+use bollard::query_parameters::{ListContainersOptions, StatsOptions};
+use bollard::Docker;
+use futures_util::stream::TryStreamExt;
+use std::error::Error;
+
+/// Get memory statistics for all containers
+pub async fn get_all_containers_memory_stats(
+    docker: &Docker,
+) -> Result<Vec<ContainerMemoryInfo>, Box<dyn Error + Send + Sync>> {
+    let containers = docker
+        .list_containers(Some(ListContainersOptions {
+            all: true,
+            ..Default::default()
+        }))
+        .await?;
+
+    let mut mem_infos = Vec::new();
+
+    for container in containers {
+        let id = container.id.unwrap_or_default();
+
+        // Skip if no ID
+        if id.is_empty() {
+            continue;
+        }
+
+        if let Some(mem_info) = get_single_container_memory_stats(docker, &id).await? {
+            mem_infos.push(mem_info);
+        }
+    }
+
+    Ok(mem_infos)
+}
+
+/// Get memory statistics for a specific container
+pub async fn get_single_container_memory_stats(
+    docker: &Docker,
+    container_id: &str,
+) -> Result<Option<ContainerMemoryInfo>, Box<dyn Error + Send + Sync>> {
+    let mut stats_stream = docker.stats(
+        container_id,
+        Some(StatsOptions {
+            stream: false,
+            one_shot: true,
+        }),
+    );
+
+    if let Some(stats) = stats_stream.try_next().await? {
+        if let Some(memory_stats) = &stats.memory_stats {
+            let memory_usage = memory_stats.usage.unwrap_or(0);
+            let memory_limit = memory_stats.limit.unwrap_or(1); // Avoid division by zero
+
+            let memory_usage_percent = if memory_limit > 0 {
+                (memory_usage as f64 / memory_limit as f64) * 100.0
+            } else {
+                0.0
+            };
+
+            return Ok(Some(ContainerMemoryInfo {
+                container_id: container_id.to_string(),
+                memory_usage,
+                memory_limit,
+                memory_usage_percent,
+            }));
+        }
+    }
+
+    Ok(None)
+}
+
+/// Get total memory usage across all containers
+pub async fn get_total_memory_usage(docker: &Docker) -> Result<u64, Box<dyn Error + Send + Sync>> {
+    let mem_infos = get_all_containers_memory_stats(docker).await?;
+    let total_memory: u64 = mem_infos.iter().map(|mem| mem.memory_usage).sum();
+    Ok(total_memory)
+}