48 lines
1.7 KiB
Go
48 lines
1.7 KiB
Go
package environment
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import "sync"
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// Defines the current resource usage for a given server instance. If a server is offline you
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// should obviously expect memory and CPU usage to be 0. However, disk will always be returned
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// since that is not dependent on the server being running to collect that data.
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type Stats struct {
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mu sync.RWMutex
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// The total amount of memory, in bytes, that this server instance is consuming. This is
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// calculated slightly differently than just using the raw Memory field that the stats
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// return from the container, so please check the code setting this value for how that
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// is calculated.
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Memory uint64 `json:"memory_bytes"`
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// The total amount of memory this container or resource can use. Inside Docker this is
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// going to be higher than you'd expect because we're automatically allocating overhead
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// abilities for the container, so its not going to be a perfect match.
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MemoryLimit uint64 `json:"memory_limit_bytes"`
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// The absolute CPU usage is the amount of CPU used in relation to the entire system and
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// does not take into account any limits on the server process itself.
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CpuAbsolute float64 `json:"cpu_absolute"`
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// The current disk space being used by the server. This is cached to prevent slow lookup
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// issues on frequent refreshes.
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// Disk int64 `json:"disk_bytes"`
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// Current network transmit in & out for a container.
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Network struct {
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RxBytes uint64 `json:"rx_bytes"`
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TxBytes uint64 `json:"tx_bytes"`
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} `json:"network"`
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}
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// Resets the usages values to zero, used when a server is stopped to ensure we don't hold
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// onto any values incorrectly.
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func (s *Stats) Empty() {
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s.mu.Lock()
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defer s.mu.Unlock()
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s.Memory = 0
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s.CpuAbsolute = 0
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s.Network.TxBytes = 0
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s.Network.RxBytes = 0
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}
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