mirror of
https://github.com/jesseduffield/lazydocker.git
synced 2026-07-21 23:01:03 +00:00
use sdk to inspect containers
This commit is contained in:
Jesse Duffield
parent
13c0bfc0b4
commit
a100caa0d9
5 changed files with 48 additions and 215 deletions
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@ -7,7 +7,6 @@ import (
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"strconv"
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"strings"
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"sync"
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"time"
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"github.com/docker/docker/api/types/container"
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@ -40,7 +39,7 @@ type Container struct {
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Config *config.AppConfig
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Log *logrus.Entry
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StatHistory []*RecordedStats
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Details Details
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Details types.ContainerJSON
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MonitoringStats bool
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DockerCommand LimitedDockerCommand
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Tr *i18n.TranslationSet
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@ -48,190 +47,6 @@ type Container struct {
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StatsMutex sync.Mutex
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}
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// Details is a struct containing what we get back from `docker inspect` on a container
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type Details struct {
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ID string `json:"Id"`
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Created time.Time `json:"Created"`
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Path string `json:"Path"`
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Args []string `json:"Args"`
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State struct {
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Status string `json:"Status"`
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Running bool `json:"Running"`
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Paused bool `json:"Paused"`
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Restarting bool `json:"Restarting"`
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OOMKilled bool `json:"OOMKilled"`
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Dead bool `json:"Dead"`
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Pid int `json:"Pid"`
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ExitCode int `json:"ExitCode"`
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Error string `json:"Error"`
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StartedAt time.Time `json:"StartedAt"`
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FinishedAt time.Time `json:"FinishedAt"`
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Health types.Health `json:"Health"`
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} `json:"State"`
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Image string `json:"Image"`
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ResolvConfPath string `json:"ResolvConfPath"`
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HostnamePath string `json:"HostnamePath"`
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HostsPath string `json:"HostsPath"`
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LogPath string `json:"LogPath"`
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Name string `json:"Name"`
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RestartCount int `json:"RestartCount"`
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Driver string `json:"Driver"`
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Platform string `json:"Platform"`
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MountLabel string `json:"MountLabel"`
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ProcessLabel string `json:"ProcessLabel"`
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AppArmorProfile string `json:"AppArmorProfile"`
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ExecIDs interface{} `json:"ExecIDs"`
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HostConfig struct {
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Binds []string `json:"Binds"`
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ContainerIDFile string `json:"ContainerIDFile"`
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LogConfig struct {
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Type string `json:"Type"`
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Config struct{} `json:"Config"`
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} `json:"LogConfig"`
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NetworkMode string `json:"NetworkMode"`
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PortBindings struct{} `json:"PortBindings"`
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RestartPolicy struct {
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Name string `json:"Name"`
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MaximumRetryCount int `json:"MaximumRetryCount"`
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} `json:"RestartPolicy"`
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AutoRemove bool `json:"AutoRemove"`
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VolumeDriver string `json:"VolumeDriver"`
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VolumesFrom []interface{} `json:"VolumesFrom"`
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CapAdd interface{} `json:"CapAdd"`
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CapDrop interface{} `json:"CapDrop"`
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DNS interface{} `json:"Dns"`
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DNSOptions interface{} `json:"DnsOptions"`
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DNSSearch interface{} `json:"DnsSearch"`
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ExtraHosts interface{} `json:"ExtraHosts"`
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GroupAdd interface{} `json:"GroupAdd"`
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IpcMode string `json:"IpcMode"`
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Cgroup string `json:"Cgroup"`
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Links interface{} `json:"Links"`
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OomScoreAdj int `json:"OomScoreAdj"`
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PidMode string `json:"PidMode"`
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Privileged bool `json:"Privileged"`
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PublishAllPorts bool `json:"PublishAllPorts"`
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ReadonlyRootfs bool `json:"ReadonlyRootfs"`
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SecurityOpt interface{} `json:"SecurityOpt"`
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UTSMode string `json:"UTSMode"`
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UsernsMode string `json:"UsernsMode"`
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ShmSize int `json:"ShmSize"`
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Runtime string `json:"Runtime"`
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ConsoleSize []int `json:"ConsoleSize"`
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Isolation string `json:"Isolation"`
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CPUShares int `json:"CpuShares"`
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Memory int `json:"Memory"`
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NanoCpus int `json:"NanoCpus"`
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CgroupParent string `json:"CgroupParent"`
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BlkioWeight int `json:"BlkioWeight"`
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BlkioWeightDevice interface{} `json:"BlkioWeightDevice"`
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BlkioDeviceReadBps interface{} `json:"BlkioDeviceReadBps"`
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BlkioDeviceWriteBps interface{} `json:"BlkioDeviceWriteBps"`
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BlkioDeviceReadIOps interface{} `json:"BlkioDeviceReadIOps"`
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BlkioDeviceWriteIOps interface{} `json:"BlkioDeviceWriteIOps"`
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CPUPeriod int `json:"CpuPeriod"`
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CPUQuota int `json:"CpuQuota"`
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CPURealtimePeriod int `json:"CpuRealtimePeriod"`
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CPURealtimeRuntime int `json:"CpuRealtimeRuntime"`
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CpusetCpus string `json:"CpusetCpus"`
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CpusetMems string `json:"CpusetMems"`
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Devices interface{} `json:"Devices"`
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DeviceCgroupRules interface{} `json:"DeviceCgroupRules"`
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DiskQuota int `json:"DiskQuota"`
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KernelMemory int `json:"KernelMemory"`
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MemoryReservation int `json:"MemoryReservation"`
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MemorySwap int `json:"MemorySwap"`
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MemorySwappiness interface{} `json:"MemorySwappiness"`
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OomKillDisable bool `json:"OomKillDisable"`
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PidsLimit int `json:"PidsLimit"`
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Ulimits interface{} `json:"Ulimits"`
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CPUCount int `json:"CpuCount"`
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CPUPercent int `json:"CpuPercent"`
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IOMaximumIOps int `json:"IOMaximumIOps"`
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IOMaximumBandwidth int `json:"IOMaximumBandwidth"`
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MaskedPaths []string `json:"MaskedPaths"`
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ReadonlyPaths []string `json:"ReadonlyPaths"`
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} `json:"HostConfig"`
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GraphDriver struct {
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Data struct {
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LowerDir string `json:"LowerDir"`
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MergedDir string `json:"MergedDir"`
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UpperDir string `json:"UpperDir"`
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WorkDir string `json:"WorkDir"`
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} `json:"Data"`
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Name string `json:"Name"`
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} `json:"GraphDriver"`
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Mounts []struct {
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Type string `json:"Type"`
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Name string `json:"Name,omitempty"`
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Source string `json:"Source"`
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Destination string `json:"Destination"`
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Driver string `json:"Driver,omitempty"`
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Mode string `json:"Mode"`
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RW bool `json:"RW"`
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Propagation string `json:"Propagation"`
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} `json:"Mounts"`
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Config struct {
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Hostname string `json:"Hostname"`
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Domainname string `json:"Domainname"`
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User string `json:"User"`
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AttachStdin bool `json:"AttachStdin"`
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AttachStdout bool `json:"AttachStdout"`
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AttachStderr bool `json:"AttachStderr"`
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Tty bool `json:"Tty"`
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OpenStdin bool `json:"OpenStdin"`
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StdinOnce bool `json:"StdinOnce"`
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Env []string `json:"Env"`
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Cmd []string `json:"Cmd"`
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Image string `json:"Image"`
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Volumes struct {
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APIBundle struct{} `json:"/api-bundle"`
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App struct{} `json:"/app"`
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} `json:"Volumes"`
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WorkingDir string `json:"WorkingDir"`
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Entrypoint interface{} `json:"Entrypoint"`
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OnBuild interface{} `json:"OnBuild"`
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Labels map[string]string `json:"Labels"`
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} `json:"Config"`
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NetworkSettings struct {
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Bridge string `json:"Bridge"`
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SandboxID string `json:"SandboxID"`
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HairpinMode bool `json:"HairpinMode"`
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LinkLocalIPv6Address string `json:"LinkLocalIPv6Address"`
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LinkLocalIPv6PrefixLen int `json:"LinkLocalIPv6PrefixLen"`
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Ports map[string][]struct {
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HostIP string `json:"HostIP"`
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HostPort string `json:"HostPort"`
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} `json:"Ports"`
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SandboxKey string `json:"SandboxKey"`
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SecondaryIPAddresses interface{} `json:"SecondaryIPAddresses"`
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SecondaryIPv6Addresses interface{} `json:"SecondaryIPv6Addresses"`
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EndpointID string `json:"EndpointID"`
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Gateway string `json:"Gateway"`
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GlobalIPv6Address string `json:"GlobalIPv6Address"`
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GlobalIPv6PrefixLen int `json:"GlobalIPv6PrefixLen"`
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IPAddress string `json:"IPAddress"`
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IPPrefixLen int `json:"IPPrefixLen"`
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IPv6Gateway string `json:"IPv6Gateway"`
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MacAddress string `json:"MacAddress"`
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Networks map[string]struct {
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IPAMConfig interface{} `json:"IPAMConfig"`
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Links interface{} `json:"Links"`
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Aliases []string `json:"Aliases"`
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NetworkID string `json:"NetworkID"`
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EndpointID string `json:"EndpointID"`
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Gateway string `json:"Gateway"`
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IPAddress string `json:"IPAddress"`
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IPPrefixLen int `json:"IPPrefixLen"`
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IPv6Gateway string `json:"IPv6Gateway"`
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GlobalIPv6Address string `json:"GlobalIPv6Address"`
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GlobalIPv6PrefixLen int `json:"GlobalIPv6PrefixLen"`
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MacAddress string `json:"MacAddress"`
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DriverOpts interface{} `json:"DriverOpts"`
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} `json:"Networks"`
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} `json:"NetworkSettings"`
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}
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// GetDisplayStrings returns the dispaly string of Container
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func (c *Container) GetDisplayStrings(isFocused bool) []string {
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image := strings.TrimPrefix(c.Container.Image, "sha256:")
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@ -246,6 +61,10 @@ func (c *Container) GetDisplayStatus() string {
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// GetDisplayStatus returns the exit code if the container has exited, and the health status if the container is running (and has a health check)
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func (c *Container) GetDisplaySubstatus() string {
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if !c.DetailsLoaded() {
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return ""
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}
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switch c.Container.State {
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case "exited":
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return utils.ColoredString(
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@ -259,12 +78,19 @@ func (c *Container) GetDisplaySubstatus() string {
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}
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func (c *Container) getHealthStatus() string {
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if !c.DetailsLoaded() {
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return ""
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}
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healthStatusColorMap := map[string]color.Attribute{
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"healthy": color.FgGreen,
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"unhealthy": color.FgRed,
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"starting": color.FgYellow,
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}
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if c.Details.State.Health == nil {
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return ""
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}
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healthStatus := c.Details.State.Health.Status
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if healthStatusColor, ok := healthStatusColorMap[healthStatus]; ok {
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return utils.ColoredString(fmt.Sprintf("(%s)", healthStatus), healthStatusColor)
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@ -296,14 +122,16 @@ func (c *Container) GetDisplayCPUPerc() string {
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// ProducingLogs tells us whether we should bother checking a container's logs
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func (c *Container) ProducingLogs() bool {
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return c.Container.State == "running" && !(c.Details.HostConfig.LogConfig.Type == "none")
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return c.Container.State == "running" && c.DetailsLoaded() && c.Details.HostConfig.LogConfig.Type != "none"
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}
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// GetColor Container color
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func (c *Container) GetColor() color.Attribute {
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switch c.Container.State {
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case "exited":
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if c.Details.State.ExitCode == 0 {
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// This means the colour may be briefly yellow and then switch to red upon starting
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// Not sure what a better alternative is.
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if !c.DetailsLoaded() || c.Details.State.ExitCode == 0 {
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return color.FgYellow
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}
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return color.FgRed
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@ -355,7 +183,9 @@ func (c *Container) Restart() error {
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// Attach attaches the container
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func (c *Container) Attach() (*exec.Cmd, error) {
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c.Log.Warn(fmt.Sprintf("attaching to container %s", c.Name))
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if !c.DetailsLoaded() {
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return nil, errors.New(c.Tr.WaitingForContainerInfo)
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}
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// verify that we can in fact attach to this container
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if !c.Details.Config.OpenStdin {
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@ -366,6 +196,7 @@ func (c *Container) Attach() (*exec.Cmd, error) {
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return nil, errors.New(c.Tr.CannotAttachStoppedContainerError)
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}
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c.Log.Warn(fmt.Sprintf("attaching to container %s", c.Name))
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cmd := c.OSCommand.PrepareSubProcess("docker", "attach", "--sig-proxy=false", c.ID)
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return cmd, nil
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}
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@ -420,7 +251,7 @@ func (c *Container) RenderTop() (string, error) {
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return utils.RenderTable(append([][]string{result.Titles}, result.Processes...))
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}
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// DetailsLoaded tells us whether we have yet loaded the details for a container. Because this is an asynchronous operation, sometimes we have the container before we have its details. Details is a struct, not a pointer to a struct, so it starts off with heaps of zero values. One of which is the container Image, which starts as a blank string. Given that every container should have an image, this is a good proxy to use
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// DetailsLoaded tells us whether we have yet loaded the details for a container. Because this is an asynchronous operation, sometimes we have the container before we have its details.
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func (c *Container) DetailsLoaded() bool {
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return c.Details.Image != ""
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return c.Details.ContainerJSONBase != nil
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}
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@ -382,26 +382,13 @@ func (c *DockerCommand) UpdateContainerDetails() error {
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c.ContainerMutex.Lock()
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defer c.ContainerMutex.Unlock()
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containers := c.Containers
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ids := make([]string, len(containers))
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for i, container := range containers {
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ids[i] = container.ID
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}
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cmd := c.OSCommand.RunCustomCommand("docker inspect " + strings.Join(ids, " "))
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output, err := cmd.CombinedOutput()
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if err != nil {
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return err
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}
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var details []*Details
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if err := json.Unmarshal(output, &details); err != nil {
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return err
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}
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for i, container := range containers {
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container.Details = *details[i]
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for _, container := range c.Containers {
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details, err := c.Client.ContainerInspect(context.Background(), container.ID)
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if err != nil {
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c.Log.Error(err)
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} else {
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container.Details = details
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}
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}
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return nil
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@ -93,6 +93,12 @@ func (gui *Gui) handleContainerSelect(g *gocui.Gui, v *gocui.View) error {
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}
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func (gui *Gui) renderContainerEnv(container *commands.Container) error {
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if !container.DetailsLoaded() {
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return gui.T.NewTask(func(stop chan struct{}) {
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_ = gui.renderString(gui.g, "main", gui.Tr.WaitingForContainerInfo)
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})
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}
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mainView := gui.getMainView()
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mainView.Autoscroll = false
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mainView.Wrap = gui.Config.UserConfig.Gui.WrapMainPanel
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@ -125,6 +131,12 @@ func (gui *Gui) renderContainerEnv(container *commands.Container) error {
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}
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func (gui *Gui) renderContainerConfig(container *commands.Container) error {
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if !container.DetailsLoaded() {
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return gui.T.NewTask(func(stop chan struct{}) {
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_ = gui.renderString(gui.g, "main", gui.Tr.WaitingForContainerInfo)
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})
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}
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mainView := gui.getMainView()
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mainView.Autoscroll = false
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mainView.Wrap = gui.Config.UserConfig.Gui.WrapMainPanel
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@ -142,9 +154,9 @@ func (gui *Gui) renderContainerConfig(container *commands.Container) error {
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output += "\n"
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for _, mount := range container.Details.Mounts {
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if mount.Type == "volume" {
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output += fmt.Sprintf("%s%s %s\n", strings.Repeat(" ", padding), utils.ColoredString(mount.Type+":", color.FgYellow), mount.Name)
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output += fmt.Sprintf("%s%s %s\n", strings.Repeat(" ", padding), utils.ColoredString(string(mount.Type)+":", color.FgYellow), mount.Name)
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} else {
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output += fmt.Sprintf("%s%s %s:%s\n", strings.Repeat(" ", padding), utils.ColoredString(mount.Type+":", color.FgYellow), mount.Source, mount.Destination)
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output += fmt.Sprintf("%s%s %s:%s\n", strings.Repeat(" ", padding), utils.ColoredString(string(mount.Type)+":", color.FgYellow), mount.Source, mount.Destination)
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}
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}
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} else {
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@ -44,8 +44,9 @@ func (gui *Gui) getProjectName() string {
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projectName := path.Base(gui.Config.ProjectDir)
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if gui.DockerCommand.InDockerComposeProject {
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for _, service := range gui.DockerCommand.Services {
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if service.Container != nil {
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return service.Container.Details.Config.Labels["com.docker.compose.project"]
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container := service.Container
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if container != nil && container.DetailsLoaded() {
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return container.Details.Config.Labels["com.docker.compose.project"]
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}
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}
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}
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@ -21,6 +21,7 @@ type TranslationSet struct {
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ErrorOccurred string
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ConnectionFailed string
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UnattachableContainerError string
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WaitingForContainerInfo string
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CannotAttachStoppedContainerError string
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CannotAccessDockerSocketError string
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CannotKillChildError string
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@ -115,6 +116,7 @@ func englishSet() TranslationSet {
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ErrorOccurred: "An error occurred! Please create an issue at https://github.com/jesseduffield/lazydocker/issues",
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ConnectionFailed: "connection to docker client failed. You may need to restart the docker client",
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UnattachableContainerError: "Container does not support attaching. You must either run the service with the '-it' flag or use `stdin_open: true, tty: true` in the docker-compose.yml file",
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WaitingForContainerInfo: "Cannot proceed until docker gives us more information about the container. Please retry in a few moments.",
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CannotAttachStoppedContainerError: "You cannot attach to a stopped container, you need to start it first (which you can actually do with the 'r' key) (yes I'm too lazy to do this automatically for you) (pretty cool that I get to communicate one-on-one with you in the form of an error message though)",
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CannotAccessDockerSocketError: "Can't access docker socket at: unix:///var/run/docker.sock\nRun lazydocker as root or read https://docs.docker.com/install/linux/linux-postinstall/",
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CannotKillChildError: "Waited three seconds for child process to stop. There may be an orphan process that continues to run on your system.",
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