/* ** Zabbix ** Copyright (C) 2001-2022 Zabbix SIA ** ** This program is free software; you can redistribute it and/or modify ** it under the terms of the GNU General Public License as published by ** the Free Software Foundation; either version 2 of the License, or ** (at your option) any later version. ** ** This program is distributed in the hope that it will be useful, ** but WITHOUT ANY WARRANTY; without even the implied warranty of ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ** GNU General Public License for more details. ** ** You should have received a copy of the GNU General Public License ** along with this program; if not, write to the Free Software ** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. **/ package docker import ( "strconv" "time" ) type unixTime int64 // UnmarshalJSON is used to convert time to unixtime func (tm *unixTime) UnmarshalJSON(b []byte) (err error) { s, err := strconv.Unquote(string(b)) if err != nil { return nil } t, err := time.Parse(time.RFC3339, s) if err != nil { return nil } *tm = unixTime(t.Unix()) return err } // ErrorMessage represents the API error type ErrorMessage struct { Message string `json:"message"` } // Port is a type that represents a port mapping returned by the Docker API. type Port struct { PrivatePort int64 PublicPort int64 Type string IP string } // Mount represents a mount point for a container. type Mount struct { Name string Source string Destination string Driver string Mode string RW bool Propagation string Type string } // ContainerNetwork represents the networking settings of a container per network. type ContainerNetwork struct { Aliases []string MacAddress string GlobalIPv6PrefixLen int GlobalIPv6Address string IPv6Gateway string IPPrefixLen int IPAddress string Gateway string EndpointID string NetworkID string } // Container represents each container in the list returned by ListContainers. type Container struct { ID string `json:"Id"` Image string Command string Created int64 State string Status string Ports []Port SizeRw int64 SizeRootFs int64 Names []string Mounts []Mount } // ContainerState represents the state of a container. type ContainerState struct { Status string Running bool Paused bool Restarting bool OOMKilled bool RemovalInProgress bool Dead bool Pid int ExitCode int Error string StartedAt unixTime FinishedAt unixTime } // Info contains response of Engine API: // GET "/info" type Info struct { ID string `json:"Id"` Containers int ContainersRunning int ContainersPaused int ContainersStopped int Images int Driver string MemoryLimit bool SwapLimit bool KernelMemory bool KernelMemoryTCP bool CPUCfsPeriod bool `json:"CpuCfsPeriod"` CPUCfsQuota bool `json:"CpuCfsQuota"` CPUShares bool CPUSet bool PidsLimit bool IPv4Forwarding bool BridgeNfIptables bool BridgeNfIP6tables bool Debug bool NFd int OomKillDisable bool NGoroutines int LoggingDriver string CgroupDriver string NEventsListener int KernelVersion string OperatingSystem string OSVersion string OSType string Architecture string IndexServerAddress string NCPU int MemTotal int64 DockerRootDir string Name string ExperimentalBuild bool ServerVersion string ClusterStore string ClusterAdvertise string DefaultRuntime string LiveRestoreEnabled bool InitBinary string SecurityOptions []string Warnings []string } // RootFS represents the underlying layers used by an image type RootFS struct { Type string Layers []string } // Image contains response of Engine API: // GET "/images/{name:.*}/json" type Image struct { ID string `json:"Id"` RepoTags []string RepoDigests []string Containers int64 Created int64 Size int64 VirtualSize int64 SharedSize int64 } // DiskUsage contains response of Engine API: // GET "/system/df" type DiskUsage struct { LayersSize int64 Images []*Image Containers []*Container Volumes []*Volume } // Volume volume type Volume struct { CreatedAt unixTime Mountpoint string Name string UsageData *VolumeUsageData } // VolumeUsageData Usage details about the volume. type VolumeUsageData struct { RefCount int64 Size int64 } // ContainerInfo contains response of Engine API: // GET "/containers/{name:.*}/json" type ContainerInfo struct { ID string `json:"Id"` Created unixTime Path string Args []string State *ContainerState Image string ResolvConfPath string HostnamePath string HostsPath string LogPath string Name string RestartCount int Driver string Platform string MountLabel string ProcessLabel string AppArmorProfile string ExecIDs []string HostConfig *HostConfig SizeRw int64 SizeRootFs int64 } // HostConfig the non-portable Config structure of a container type HostConfig struct { Binds []string ContainerIDFile string NetworkMode string DNS []string `json:"Dns"` DNSOptions []string `json:"DnsOptions"` DNSSearch []string `json:"DnsSearch"` ExtraHosts []string GroupAdd []string Links []string OomScoreAdj int Privileged bool PublishAllPorts bool ReadonlyRootfs bool SecurityOpt []string StorageOpt map[string]string Tmpfs map[string]string ShmSize int64 Sysctls map[string]string Runtime string Resources } // Resources contains container's resources type Resources struct { CPUShares int64 `json:"CpuShares"` Memory int64 NanoCPUs int64 `json:"NanoCpus"` CgroupParent string BlkioWeight uint16 CPUPeriod int64 `json:"CpuPeriod"` CPUQuota int64 `json:"CpuQuota"` CPURealtimePeriod int64 `json:"CpuRealtimePeriod"` CPURealtimeRuntime int64 `json:"CpuRealtimeRuntime"` CpusetCpus string CpusetMems string KernelMemory int64 KernelMemoryTCP int64 MemoryReservation int64 MemorySwap int64 MemorySwappiness *int64 OomKillDisable *bool PidsLimit *int64 CPUCount int64 `json:"CpuCount"` CPUPercent int64 `json:"CpuPercent"` IOMaximumIOps uint64 IOMaximumBandwidth uint64 } // ThrottlingData stores CPU throttling stats of one running container. type ThrottlingData struct { Periods uint64 `json:"periods"` ThrottledPeriods uint64 `json:"throttled_periods"` ThrottledTime uint64 `json:"throttled_time"` } // CPUUsage stores all CPU stats aggregated since container inception. type CPUUsage struct { TotalUsage uint64 `json:"total_usage"` PercpuUsage []uint64 `json:"percpu_usage"` PercentUsage float64 `json:"percent_usage"` UsageInKernelmode uint64 `json:"usage_in_kernelmode"` UsageInUsermode uint64 `json:"usage_in_usermode"` } // CPUStats aggregates and wraps all CPU related info of container type CPUStats struct { CPUUsage CPUUsage `json:"cpu_usage"` SystemUsage uint64 `json:"system_cpu_usage"` OnlineCPUs uint32 `json:"online_cpus"` ThrottlingData ThrottlingData `json:"throttling_data"` } // MemoryStats aggregates all memory stats since container inception on Linux. type MemoryStats struct { Usage uint64 `json:"usage"` MaxUsage uint64 `json:"max_usage"` Stats map[string]uint64 `json:"stats"` Failcnt uint64 `json:"failcnt"` Limit uint64 `json:"limit"` Commit uint64 `json:"commitbytes"` CommitPeak uint64 `json:"commitpeakbytes"` PrivateWorkingSet uint64 `json:"privateworkingset"` } // NetworkStats aggregates the network stats of one container type NetworkStats struct { RxBytes uint64 `json:"rx_bytes"` RxPackets uint64 `json:"rx_packets"` RxErrors uint64 `json:"rx_errors"` RxDropped uint64 `json:"rx_dropped"` TxBytes uint64 `json:"tx_bytes"` TxPackets uint64 `json:"tx_packets"` TxErrors uint64 `json:"tx_errors"` TxDropped uint64 `json:"tx_dropped"` EndpointID string `json:"endpoint_id"` InstanceID string `json:"instance_id"` } // Stats is struct aggregating all types of stats of one container type Stats struct { CPUStats CPUStats `json:"cpu_stats"` PreCPUStats CPUStats `json:"precpu_stats"` MemoryStats MemoryStats `json:"memory_stats"` } // ContainerStats struct type ContainerStats struct { Stats Name string `json:"name"` ID string `json:"id"` Networks map[string]NetworkStats `json:"networks"` }