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Add disk metrics, block I/O, and mount details to Docker monitoring

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Extends Docker container monitoring with comprehensive disk and storage information:
- Writable layer size and root filesystem usage displayed in new Disk column
- Block I/O statistics (read/write bytes totals) shown in container drawer
- Mount metadata including type, source, destination, mode, and driver details
- Configurable via --collect-disk flag (enabled by default, can be disabled for large fleets)

Also fixes config watcher to consistently use production auth config path instead of following PULSE_DATA_DIR when in mock mode.
This commit is contained in:
rcourtman 2025-10-29 12:05:36 +00:00
parent 35ab52b75b
commit 32392d1212
14 changed files with 581 additions and 159 deletions
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60
pkg/agents/docker/report.go
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@ -49,25 +49,29 @@ type HostInfo struct {
// Container captures the runtime state for a Docker container at report time.
type Container struct {
ID string `json:"id"`
Name string `json:"name"`
Image string `json:"image"`
CreatedAt time.Time `json:"createdAt"`
State string `json:"state"`
Status string `json:"status"`
Health string `json:"health,omitempty"`
CPUPercent float64 `json:"cpuPercent"`
MemoryUsageBytes int64 `json:"memoryUsageBytes"`
MemoryLimitBytes int64 `json:"memoryLimitBytes"`
MemoryPercent float64 `json:"memoryPercent"`
UptimeSeconds int64 `json:"uptimeSeconds"`
RestartCount int `json:"restartCount"`
ExitCode int `json:"exitCode"`
StartedAt *time.Time `json:"startedAt,omitempty"`
FinishedAt *time.Time `json:"finishedAt,omitempty"`
Ports []ContainerPort `json:"ports,omitempty"`
Labels map[string]string `json:"labels,omitempty"`
Networks []ContainerNetwork `json:"networks,omitempty"`
ID string `json:"id"`
Name string `json:"name"`
Image string `json:"image"`
CreatedAt time.Time `json:"createdAt"`
State string `json:"state"`
Status string `json:"status"`
Health string `json:"health,omitempty"`
CPUPercent float64 `json:"cpuPercent"`
MemoryUsageBytes int64 `json:"memoryUsageBytes"`
MemoryLimitBytes int64 `json:"memoryLimitBytes"`
MemoryPercent float64 `json:"memoryPercent"`
UptimeSeconds int64 `json:"uptimeSeconds"`
RestartCount int `json:"restartCount"`
ExitCode int `json:"exitCode"`
StartedAt *time.Time `json:"startedAt,omitempty"`
FinishedAt *time.Time `json:"finishedAt,omitempty"`
Ports []ContainerPort `json:"ports,omitempty"`
Labels map[string]string `json:"labels,omitempty"`
Networks []ContainerNetwork `json:"networks,omitempty"`
WritableLayerBytes int64 `json:"writableLayerBytes,omitempty"`
RootFilesystemBytes int64 `json:"rootFilesystemBytes,omitempty"`
BlockIO *ContainerBlockIO `json:"blockIo,omitempty"`
Mounts []ContainerMount `json:"mounts,omitempty"`
}
// ContainerPort tracks an exposed container port mapping.
@ -85,6 +89,24 @@ type ContainerNetwork struct {
IPv6 string `json:"ipv6,omitempty"`
}
// ContainerBlockIO summarises high-level block I/O metrics for a container.
type ContainerBlockIO struct {
ReadBytes uint64 `json:"readBytes,omitempty"`
WriteBytes uint64 `json:"writeBytes,omitempty"`
}
// ContainerMount describes a mount point exposed inside a container.
type ContainerMount struct {
Type string `json:"type,omitempty"`
Source string `json:"source,omitempty"`
Destination string `json:"destination,omitempty"`
Mode string `json:"mode,omitempty"`
RW bool `json:"rw"`
Propagation string `json:"propagation,omitempty"`
Name string `json:"name,omitempty"`
Driver string `json:"driver,omitempty"`
}
// AgentKey returns the stable identifier for a reporting agent.
func (r Report) AgentKey() string {
if r.Agent.ID != "" {