github.com/containers/podman/v2@v2.2.2-0.20210501105131-c1e07d070c4c/libpod/define/container_inspect.go (about)

     1  package define
     2  
     3  import (
     4  	"time"
     5  
     6  	"github.com/containers/image/v5/manifest"
     7  	"github.com/containers/podman/v2/libpod/driver"
     8  )
     9  
    10  // InspectContainerConfig holds further data about how a container was initially
    11  // configured.
    12  type InspectContainerConfig struct {
    13  	// Container hostname
    14  	Hostname string `json:"Hostname"`
    15  	// Container domain name - unused at present
    16  	DomainName string `json:"Domainname"`
    17  	// User the container was launched with
    18  	User string `json:"User"`
    19  	// Unused, at present
    20  	AttachStdin bool `json:"AttachStdin"`
    21  	// Unused, at present
    22  	AttachStdout bool `json:"AttachStdout"`
    23  	// Unused, at present
    24  	AttachStderr bool `json:"AttachStderr"`
    25  	// Whether the container creates a TTY
    26  	Tty bool `json:"Tty"`
    27  	// Whether the container leaves STDIN open
    28  	OpenStdin bool `json:"OpenStdin"`
    29  	// Whether STDIN is only left open once.
    30  	// Presently not supported by Podman, unused.
    31  	StdinOnce bool `json:"StdinOnce"`
    32  	// Container environment variables
    33  	Env []string `json:"Env"`
    34  	// Container command
    35  	Cmd []string `json:"Cmd"`
    36  	// Container image
    37  	Image string `json:"Image"`
    38  	// Unused, at present. I've never seen this field populated.
    39  	Volumes map[string]struct{} `json:"Volumes"`
    40  	// Container working directory
    41  	WorkingDir string `json:"WorkingDir"`
    42  	// Container entrypoint
    43  	Entrypoint string `json:"Entrypoint"`
    44  	// On-build arguments - presently unused. More of Buildah's domain.
    45  	OnBuild *string `json:"OnBuild"`
    46  	// Container labels
    47  	Labels map[string]string `json:"Labels"`
    48  	// Container annotations
    49  	Annotations map[string]string `json:"Annotations"`
    50  	// Container stop signal
    51  	StopSignal uint `json:"StopSignal"`
    52  	// Configured healthcheck for the container
    53  	Healthcheck *manifest.Schema2HealthConfig `json:"Healthcheck,omitempty"`
    54  	// CreateCommand is the full command plus arguments of the process the
    55  	// container has been created with.
    56  	CreateCommand []string `json:"CreateCommand,omitempty"`
    57  	// Timezone is the timezone inside the container.
    58  	// Local means it has the same timezone as the host machine
    59  	Timezone string `json:"Timezone,omitempty"`
    60  	// SystemdMode is whether the container is running in systemd mode. In
    61  	// systemd mode, the container configuration is customized to optimize
    62  	// running systemd in the container.
    63  	SystemdMode bool `json:"SystemdMode,omitempty"`
    64  	// Umask is the umask inside the container.
    65  	Umask string `json:"Umask,omitempty"`
    66  }
    67  
    68  // InspectRestartPolicy holds information about the container's restart policy.
    69  type InspectRestartPolicy struct {
    70  	// Name contains the container's restart policy.
    71  	// Allowable values are "no" or "" (take no action),
    72  	// "on-failure" (restart on non-zero exit code, with an optional max
    73  	// retry count), and "always" (always restart on container stop, unless
    74  	// explicitly requested by API).
    75  	// Note that this is NOT actually a name of any sort - the poor naming
    76  	// is for Docker compatibility.
    77  	Name string `json:"Name"`
    78  	// MaximumRetryCount is the maximum number of retries allowed if the
    79  	// "on-failure" restart policy is in use. Not used if "on-failure" is
    80  	// not set.
    81  	MaximumRetryCount uint `json:"MaximumRetryCount"`
    82  }
    83  
    84  // InspectLogConfig holds information about a container's configured log driver
    85  // and is presently unused. It is retained for Docker compatibility.
    86  type InspectLogConfig struct {
    87  	Type   string            `json:"Type"`
    88  	Config map[string]string `json:"Config"` //idk type, TODO
    89  }
    90  
    91  // InspectBlkioWeightDevice holds information about the relative weight
    92  // of an individual device node. Weights are used in the I/O scheduler to give
    93  // relative priority to some accesses.
    94  type InspectBlkioWeightDevice struct {
    95  	// Path is the path to the device this applies to.
    96  	Path string `json:"Path"`
    97  	// Weight is the relative weight the scheduler will use when scheduling
    98  	// I/O.
    99  	Weight uint16 `json:"Weight"`
   100  }
   101  
   102  // InspectBlkioThrottleDevice holds information about a speed cap for a device
   103  // node. This cap applies to a specific operation (read, write, etc) on the given
   104  // node.
   105  type InspectBlkioThrottleDevice struct {
   106  	// Path is the path to the device this applies to.
   107  	Path string `json:"Path"`
   108  	// Rate is the maximum rate. It is in either bytes per second or iops
   109  	// per second, determined by where it is used - documentation will
   110  	// indicate which is appropriate.
   111  	Rate uint64 `json:"Rate"`
   112  }
   113  
   114  // InspectUlimit is a ulimit that will be applied to the container.
   115  type InspectUlimit struct {
   116  	// Name is the name (type) of the ulimit.
   117  	Name string `json:"Name"`
   118  	// Soft is the soft limit that will be applied.
   119  	Soft uint64 `json:"Soft"`
   120  	// Hard is the hard limit that will be applied.
   121  	Hard uint64 `json:"Hard"`
   122  }
   123  
   124  // InspectDevice is a single device that will be mounted into the container.
   125  type InspectDevice struct {
   126  	// PathOnHost is the path of the device on the host.
   127  	PathOnHost string `json:"PathOnHost"`
   128  	// PathInContainer is the path of the device within the container.
   129  	PathInContainer string `json:"PathInContainer"`
   130  	// CgroupPermissions is the permissions of the mounted device.
   131  	// Presently not populated.
   132  	// TODO.
   133  	CgroupPermissions string `json:"CgroupPermissions"`
   134  }
   135  
   136  // InspectHostPort provides information on a port on the host that a container's
   137  // port is bound to.
   138  type InspectHostPort struct {
   139  	// IP on the host we are bound to. "" if not specified (binding to all
   140  	// IPs).
   141  	HostIP string `json:"HostIp"`
   142  	// Port on the host we are bound to. No special formatting - just an
   143  	// integer stuffed into a string.
   144  	HostPort string `json:"HostPort"`
   145  }
   146  
   147  // InspectMount provides a record of a single mount in a container. It contains
   148  // fields for both named and normal volumes. Only user-specified volumes will be
   149  // included, and tmpfs volumes are not included even if the user specified them.
   150  type InspectMount struct {
   151  	// Whether the mount is a volume or bind mount. Allowed values are
   152  	// "volume" and "bind".
   153  	Type string `json:"Type"`
   154  	// The name of the volume. Empty for bind mounts.
   155  	Name string `json:"Name,omptempty"`
   156  	// The source directory for the volume.
   157  	Source string `json:"Source"`
   158  	// The destination directory for the volume. Specified as a path within
   159  	// the container, as it would be passed into the OCI runtime.
   160  	Destination string `json:"Destination"`
   161  	// The driver used for the named volume. Empty for bind mounts.
   162  	Driver string `json:"Driver"`
   163  	// Contains SELinux :z/:Z mount options. Unclear what, if anything, else
   164  	// goes in here.
   165  	Mode string `json:"Mode"`
   166  	// All remaining mount options. Additional data, not present in the
   167  	// original output.
   168  	Options []string `json:"Options"`
   169  	// Whether the volume is read-write
   170  	RW bool `json:"RW"`
   171  	// Mount propagation for the mount. Can be empty if not specified, but
   172  	// is always printed - no omitempty.
   173  	Propagation string `json:"Propagation"`
   174  }
   175  
   176  // InspectContainerState provides a detailed record of a container's current
   177  // state. It is returned as part of InspectContainerData.
   178  // As with InspectContainerData, many portions of this struct are matched to
   179  // Docker, but here we see more fields that are unused (nonsensical in the
   180  // context of Libpod).
   181  type InspectContainerState struct {
   182  	OciVersion  string             `json:"OciVersion"`
   183  	Status      string             `json:"Status"`
   184  	Running     bool               `json:"Running"`
   185  	Paused      bool               `json:"Paused"`
   186  	Restarting  bool               `json:"Restarting"` // TODO
   187  	OOMKilled   bool               `json:"OOMKilled"`
   188  	Dead        bool               `json:"Dead"`
   189  	Pid         int                `json:"Pid"`
   190  	ConmonPid   int                `json:"ConmonPid,omitempty"`
   191  	ExitCode    int32              `json:"ExitCode"`
   192  	Error       string             `json:"Error"` // TODO
   193  	StartedAt   time.Time          `json:"StartedAt"`
   194  	FinishedAt  time.Time          `json:"FinishedAt"`
   195  	Healthcheck HealthCheckResults `json:"Healthcheck,omitempty"`
   196  }
   197  
   198  // HealthCheckResults describes the results/logs from a healthcheck
   199  type HealthCheckResults struct {
   200  	// Status healthy or unhealthy
   201  	Status string `json:"Status"`
   202  	// FailingStreak is the number of consecutive failed healthchecks
   203  	FailingStreak int `json:"FailingStreak"`
   204  	// Log describes healthcheck attempts and results
   205  	Log []HealthCheckLog `json:"Log"`
   206  }
   207  
   208  // HealthCheckLog describes the results of a single healthcheck
   209  type HealthCheckLog struct {
   210  	// Start time as string
   211  	Start string `json:"Start"`
   212  	// End time as a string
   213  	End string `json:"End"`
   214  	// Exitcode is 0 or 1
   215  	ExitCode int `json:"ExitCode"`
   216  	// Output is the stdout/stderr from the healthcheck command
   217  	Output string `json:"Output"`
   218  }
   219  
   220  // InspectContainerHostConfig holds information used when the container was
   221  // created.
   222  // It's very much a Docker-specific struct, retained (mostly) as-is for
   223  // compatibility. We fill individual fields as best as we can, inferring as much
   224  // as possible from the spec and container config.
   225  // Some things cannot be inferred. These will be populated by spec annotations
   226  // (if available).
   227  // Field names are fixed for compatibility and cannot be changed.
   228  // As such, silence lint warnings about them.
   229  //nolint
   230  type InspectContainerHostConfig struct {
   231  	// Binds contains an array of user-added mounts.
   232  	// Both volume mounts and named volumes are included.
   233  	// Tmpfs mounts are NOT included.
   234  	// In 'docker inspect' this is separated into 'Binds' and 'Mounts' based
   235  	// on how a mount was added. We do not make this distinction and do not
   236  	// include a Mounts field in inspect.
   237  	// Format: <src>:<destination>[:<comma-separated options>]
   238  	Binds []string `json:"Binds"`
   239  	// CgroupManager is the cgroup manager used by the container.
   240  	// At present, allowed values are either "cgroupfs" or "systemd".
   241  	CgroupManager string `json:"CgroupManager,omitempty"`
   242  	// CgroupMode is the configuration of the container's cgroup namespace.
   243  	// Populated as follows:
   244  	// private - a cgroup namespace has been created
   245  	// host - No cgroup namespace created
   246  	// container:<id> - Using another container's cgroup namespace
   247  	// ns:<path> - A path to a cgroup namespace has been specified
   248  	CgroupMode string `json:"CgroupMode"`
   249  	// ContainerIDFile is a file created during container creation to hold
   250  	// the ID of the created container.
   251  	// This is not handled within libpod and is stored in an annotation.
   252  	ContainerIDFile string `json:"ContainerIDFile"`
   253  	// LogConfig contains information on the container's logging backend
   254  	LogConfig *InspectLogConfig `json:"LogConfig"`
   255  	// NetworkMode is the configuration of the container's network
   256  	// namespace.
   257  	// Populated as follows:
   258  	// default - A network namespace is being created and configured via CNI
   259  	// none - A network namespace is being created, not configured via CNI
   260  	// host - No network namespace created
   261  	// container:<id> - Using another container's network namespace
   262  	// ns:<path> - A path to a network namespace has been specified
   263  	NetworkMode string `json:"NetworkMode"`
   264  	// PortBindings contains the container's port bindings.
   265  	// It is formatted as map[string][]InspectHostPort.
   266  	// The string key here is formatted as <integer port number>/<protocol>
   267  	// and represents the container port. A single container port may be
   268  	// bound to multiple host ports (on different IPs).
   269  	PortBindings map[string][]InspectHostPort `json:"PortBindings"`
   270  	// RestartPolicy contains the container's restart policy.
   271  	RestartPolicy *InspectRestartPolicy `json:"RestartPolicy"`
   272  	// AutoRemove is whether the container will be automatically removed on
   273  	// exiting.
   274  	// It is not handled directly within libpod and is stored in an
   275  	// annotation.
   276  	AutoRemove bool `json:"AutoRemove"`
   277  	// VolumeDriver is presently unused and is retained for Docker
   278  	// compatibility.
   279  	VolumeDriver string `json:"VolumeDriver"`
   280  	// VolumesFrom is a list of containers which this container uses volumes
   281  	// from. This is not handled directly within libpod and is stored in an
   282  	// annotation.
   283  	// It is formatted as an array of container names and IDs.
   284  	VolumesFrom []string `json:"VolumesFrom"`
   285  	// CapAdd is a list of capabilities added to the container.
   286  	// It is not directly stored by Libpod, and instead computed from the
   287  	// capabilities listed in the container's spec, compared against a set
   288  	// of default capabilities.
   289  	CapAdd []string `json:"CapAdd"`
   290  	// CapDrop is a list of capabilities removed from the container.
   291  	// It is not directly stored by libpod, and instead computed from the
   292  	// capabilities listed in the container's spec, compared against a set
   293  	// of default capabilities.
   294  	CapDrop []string `json:"CapDrop"`
   295  	// Dns is a list of DNS nameservers that will be added to the
   296  	// container's resolv.conf
   297  	Dns []string `json:"Dns"`
   298  	// DnsOptions is a list of DNS options that will be set in the
   299  	// container's resolv.conf
   300  	DnsOptions []string `json:"DnsOptions"`
   301  	// DnsSearch is a list of DNS search domains that will be set in the
   302  	// container's resolv.conf
   303  	DnsSearch []string `json:"DnsSearch"`
   304  	// ExtraHosts contains hosts that will be aded to the container's
   305  	// /etc/hosts.
   306  	ExtraHosts []string `json:"ExtraHosts"`
   307  	// GroupAdd contains groups that the user inside the container will be
   308  	// added to.
   309  	GroupAdd []string `json:"GroupAdd"`
   310  	// IpcMode represents the configuration of the container's IPC
   311  	// namespace.
   312  	// Populated as follows:
   313  	// "" (empty string) - Default, an IPC namespace will be created
   314  	// host - No IPC namespace created
   315  	// container:<id> - Using another container's IPC namespace
   316  	// ns:<path> - A path to an IPC namespace has been specified
   317  	IpcMode string `json:"IpcMode"`
   318  	// Cgroup contains the container's cgroup. It is presently not
   319  	// populated.
   320  	// TODO.
   321  	Cgroup string `json:"Cgroup"`
   322  	// Cgroups contains the container's CGroup mode.
   323  	// Allowed values are "default" (container is creating CGroups) and
   324  	// "disabled" (container is not creating CGroups).
   325  	// This is Libpod-specific and not included in `docker inspect`.
   326  	Cgroups string `json:"Cgroups"`
   327  	// Links is unused, and provided purely for Docker compatibility.
   328  	Links []string `json:"Links"`
   329  	// OOMScoreAdj is an adjustment that will be made to the container's OOM
   330  	// score.
   331  	OomScoreAdj int `json:"OomScoreAdj"`
   332  	// PidMode represents the configuration of the container's PID
   333  	// namespace.
   334  	// Populated as follows:
   335  	// "" (empty string) - Default, a PID namespace will be created
   336  	// host - No PID namespace created
   337  	// container:<id> - Using another container's PID namespace
   338  	// ns:<path> - A path to a PID namespace has been specified
   339  	PidMode string `json:"PidMode"`
   340  	// Privileged indicates whether the container is running with elevated
   341  	// privileges.
   342  	// This has a very specific meaning in the Docker sense, so it's very
   343  	// difficult to decode from the spec and config, and so is stored as an
   344  	// annotation.
   345  	Privileged bool `json:"Privileged"`
   346  	// PublishAllPorts indicates whether image ports are being published.
   347  	// This is not directly stored in libpod and is saved as an annotation.
   348  	PublishAllPorts bool `json:"PublishAllPorts"`
   349  	// ReadonlyRootfs is whether the container will be mounted read-only.
   350  	ReadonlyRootfs bool `json:"ReadonlyRootfs"`
   351  	// SecurityOpt is a list of security-related options that are set in the
   352  	// container.
   353  	SecurityOpt []string `json:"SecurityOpt"`
   354  	// Tmpfs is a list of tmpfs filesystems that will be mounted into the
   355  	// container.
   356  	// It is a map of destination path to options for the mount.
   357  	Tmpfs map[string]string `json:"Tmpfs"`
   358  	// UTSMode represents the configuration of the container's UID
   359  	// namespace.
   360  	// Populated as follows:
   361  	// "" (empty string) - Default, a UTS namespace will be created
   362  	// host - no UTS namespace created
   363  	// container:<id> - Using another container's UTS namespace
   364  	// ns:<path> - A path to a UTS namespace has been specified
   365  	UTSMode string `json:"UTSMode"`
   366  	// UsernsMode represents the configuration of the container's user
   367  	// namespace.
   368  	// When running rootless, a user namespace is created outside of libpod
   369  	// to allow some privileged operations. This will not be reflected here.
   370  	// Populated as follows:
   371  	// "" (empty string) - No user namespace will be created
   372  	// private - The container will be run in a user namespace
   373  	// container:<id> - Using another container's user namespace
   374  	// ns:<path> - A path to a user namespace has been specified
   375  	// TODO Rootless has an additional 'keep-id' option, presently not
   376  	// reflected here.
   377  	UsernsMode string `json:"UsernsMode"`
   378  	// ShmSize is the size of the container's SHM device.
   379  	ShmSize int64 `json:"ShmSize"`
   380  	// Runtime is provided purely for Docker compatibility.
   381  	// It is set unconditionally to "oci" as Podman does not presently
   382  	// support non-OCI runtimes.
   383  	Runtime string `json:"Runtime"`
   384  	// ConsoleSize is an array of 2 integers showing the size of the
   385  	// container's console.
   386  	// It is only set if the container is creating a terminal.
   387  	// TODO.
   388  	ConsoleSize []uint `json:"ConsoleSize"`
   389  	// Isolation is presently unused and provided solely for Docker
   390  	// compatibility.
   391  	Isolation string `json:"Isolation"`
   392  	// CpuShares indicates the CPU resources allocated to the container.
   393  	// It is a relative weight in the scheduler for assigning CPU time
   394  	// versus other CGroups.
   395  	CpuShares uint64 `json:"CpuShares"`
   396  	// Memory indicates the memory resources allocated to the container.
   397  	// This is the limit (in bytes) of RAM the container may use.
   398  	Memory int64 `json:"Memory"`
   399  	// NanoCpus indicates number of CPUs allocated to the container.
   400  	// It is an integer where one full CPU is indicated by 1000000000 (one
   401  	// billion).
   402  	// Thus, 2.5 CPUs (fractional portions of CPUs are allowed) would be
   403  	// 2500000000 (2.5 billion).
   404  	// In 'docker inspect' this is set exclusively of two further options in
   405  	// the output (CpuPeriod and CpuQuota) which are both used to implement
   406  	// this functionality.
   407  	// We can't distinguish here, so if CpuQuota is set to the default of
   408  	// 100000, we will set both CpuQuota, CpuPeriod, and NanoCpus. If
   409  	// CpuQuota is not the default, we will not set NanoCpus.
   410  	NanoCpus int64 `json:"NanoCpus"`
   411  	// CgroupParent is the CGroup parent of the container.
   412  	// Only set if not default.
   413  	CgroupParent string `json:"CgroupParent"`
   414  	// BlkioWeight indicates the I/O resources allocated to the container.
   415  	// It is a relative weight in the scheduler for assigning I/O time
   416  	// versus other CGroups.
   417  	BlkioWeight uint16 `json:"BlkioWeight"`
   418  	// BlkioWeightDevice is an array of I/O resource priorities for
   419  	// individual device nodes.
   420  	// Unfortunately, the spec only stores the device's Major/Minor numbers
   421  	// and not the path, which is used here.
   422  	// Fortunately, the kernel provides an interface for retrieving the path
   423  	// of a given node by major:minor at /sys/dev/. However, the exact path
   424  	// in use may not be what was used in the original CLI invocation -
   425  	// though it is guaranteed that the device node will be the same, and
   426  	// using the given path will be functionally identical.
   427  	BlkioWeightDevice []InspectBlkioWeightDevice `json:"BlkioWeightDevice"`
   428  	// BlkioDeviceReadBps is an array of I/O throttle parameters for
   429  	// individual device nodes.
   430  	// This specifically sets read rate cap in bytes per second for device
   431  	// nodes.
   432  	// As with BlkioWeightDevice, we pull the path from /sys/dev, and we
   433  	// don't guarantee the path will be identical to the original (though
   434  	// the node will be).
   435  	BlkioDeviceReadBps []InspectBlkioThrottleDevice `json:"BlkioDeviceReadBps"`
   436  	// BlkioDeviceWriteBps is an array of I/O throttle parameters for
   437  	// individual device nodes.
   438  	// this specifically sets write rate cap in bytes per second for device
   439  	// nodes.
   440  	// as with BlkioWeightDevice, we pull the path from /sys/dev, and we
   441  	// don't guarantee the path will be identical to the original (though
   442  	// the node will be).
   443  	BlkioDeviceWriteBps []InspectBlkioThrottleDevice `json:"BlkioDeviceWriteBps"`
   444  	// BlkioDeviceReadIOps is an array of I/O throttle parameters for
   445  	// individual device nodes.
   446  	// This specifically sets the read rate cap in iops per second for
   447  	// device nodes.
   448  	// As with BlkioWeightDevice, we pull the path from /sys/dev, and we
   449  	// don't guarantee the path will be identical to the original (though
   450  	// the node will be).
   451  	BlkioDeviceReadIOps []InspectBlkioThrottleDevice `json:"BlkioDeviceReadIOps"`
   452  	// BlkioDeviceWriteIOps is an array of I/O throttle parameters for
   453  	// individual device nodes.
   454  	// This specifically sets the write rate cap in iops per second for
   455  	// device nodes.
   456  	// As with BlkioWeightDevice, we pull the path from /sys/dev, and we
   457  	// don't guarantee the path will be identical to the original (though
   458  	// the node will be).
   459  	BlkioDeviceWriteIOps []InspectBlkioThrottleDevice `json:"BlkioDeviceWriteIOps"`
   460  	// CpuPeriod is the length of a CPU period in microseconds.
   461  	// It relates directly to CpuQuota.
   462  	CpuPeriod uint64 `json:"CpuPeriod"`
   463  	// CpuPeriod is the amount of time (in microseconds) that a container
   464  	// can use the CPU in every CpuPeriod.
   465  	CpuQuota int64 `json:"CpuQuota"`
   466  	// CpuRealtimePeriod is the length of time (in microseconds) of the CPU
   467  	// realtime period. If set to 0, no time will be allocated to realtime
   468  	// tasks.
   469  	CpuRealtimePeriod uint64 `json:"CpuRealtimePeriod"`
   470  	// CpuRealtimeRuntime is the length of time (in microseconds) allocated
   471  	// for realtime tasks within every CpuRealtimePeriod.
   472  	CpuRealtimeRuntime int64 `json:"CpuRealtimeRuntime"`
   473  	// CpusetCpus is the is the set of CPUs that the container will execute
   474  	// on. Formatted as `0-3` or `0,2`. Default (if unset) is all CPUs.
   475  	CpusetCpus string `json:"CpusetCpus"`
   476  	// CpusetMems is the set of memory nodes the container will use.
   477  	// Formatted as `0-3` or `0,2`. Default (if unset) is all memory nodes.
   478  	CpusetMems string `json:"CpusetMems"`
   479  	// Devices is a list of device nodes that will be added to the
   480  	// container.
   481  	// These are stored in the OCI spec only as type, major, minor while we
   482  	// display the host path. We convert this with /sys/dev, but we cannot
   483  	// guarantee that the host path will be identical - only that the actual
   484  	// device will be.
   485  	Devices []InspectDevice `json:"Devices"`
   486  	// DiskQuota is the maximum amount of disk space the container may use
   487  	// (in bytes).
   488  	// Presently not populated.
   489  	// TODO.
   490  	DiskQuota uint64 `json:"DiskQuota"`
   491  	// KernelMemory is the maximum amount of memory the kernel will devote
   492  	// to the container.
   493  	KernelMemory int64 `json:"KernelMemory"`
   494  	// MemoryReservation is the reservation (soft limit) of memory available
   495  	// to the container. Soft limits are warnings only and can be exceeded.
   496  	MemoryReservation int64 `json:"MemoryReservation"`
   497  	// MemorySwap is the total limit for all memory available to the
   498  	// container, including swap. 0 indicates that there is no limit to the
   499  	// amount of memory available.
   500  	MemorySwap int64 `json:"MemorySwap"`
   501  	// MemorySwappiness is the willingness of the kernel to page container
   502  	// memory to swap. It is an integer from 0 to 100, with low numbers
   503  	// being more likely to be put into swap.
   504  	// -1, the default, will not set swappiness and use the system defaults.
   505  	MemorySwappiness int64 `json:"MemorySwappiness"`
   506  	// OomKillDisable indicates whether the kernel OOM killer is disabled
   507  	// for the container.
   508  	OomKillDisable bool `json:"OomKillDisable"`
   509  	// Init indicates whether the container has an init mounted into it.
   510  	Init bool `json:"Init,omitempty"`
   511  	// PidsLimit is the maximum number of PIDs what may be created within
   512  	// the container. 0, the default, indicates no limit.
   513  	PidsLimit int64 `json:"PidsLimit"`
   514  	// Ulimits is a set of ulimits that will be set within the container.
   515  	Ulimits []InspectUlimit `json:"Ulimits"`
   516  	// CpuCount is Windows-only and not presently implemented.
   517  	CpuCount uint64 `json:"CpuCount"`
   518  	// CpuPercent is Windows-only and not presently implemented.
   519  	CpuPercent uint64 `json:"CpuPercent"`
   520  	// IOMaximumIOps is Windows-only and not presently implemented.
   521  	IOMaximumIOps uint64 `json:"IOMaximumIOps"`
   522  	// IOMaximumBandwidth is Windows-only and not presently implemented.
   523  	IOMaximumBandwidth uint64 `json:"IOMaximumBandwidth"`
   524  	// CgroupConf is the configuration for cgroup v2.
   525  	CgroupConf map[string]string `json:"CgroupConf"`
   526  }
   527  
   528  // InspectBasicNetworkConfig holds basic configuration information (e.g. IP
   529  // addresses, MAC address, subnet masks, etc) that are common for all networks
   530  // (both additional and main).
   531  type InspectBasicNetworkConfig struct {
   532  	// EndpointID is unused, maintained exclusively for compatibility.
   533  	EndpointID string `json:"EndpointID"`
   534  	// Gateway is the IP address of the gateway this network will use.
   535  	Gateway string `json:"Gateway"`
   536  	// IPAddress is the IP address for this network.
   537  	IPAddress string `json:"IPAddress"`
   538  	// IPPrefixLen is the length of the subnet mask of this network.
   539  	IPPrefixLen int `json:"IPPrefixLen"`
   540  	// SecondaryIPAddresses is a list of extra IP Addresses that the
   541  	// container has been assigned in this network.
   542  	SecondaryIPAddresses []string `json:"SecondaryIPAddresses,omitempty"`
   543  	// IPv6Gateway is the IPv6 gateway this network will use.
   544  	IPv6Gateway string `json:"IPv6Gateway"`
   545  	// GlobalIPv6Address is the global-scope IPv6 Address for this network.
   546  	GlobalIPv6Address string `json:"GlobalIPv6Address"`
   547  	// GlobalIPv6PrefixLen is the length of the subnet mask of this network.
   548  	GlobalIPv6PrefixLen int `json:"GlobalIPv6PrefixLen"`
   549  	// SecondaryIPv6Addresses is a list of extra IPv6 Addresses that the
   550  	// container has been assigned in this networ.
   551  	SecondaryIPv6Addresses []string `json:"SecondaryIPv6Addresses,omitempty"`
   552  	// MacAddress is the MAC address for the interface in this network.
   553  	MacAddress string `json:"MacAddress"`
   554  	// AdditionalMacAddresses is a set of additional MAC Addresses beyond
   555  	// the first. CNI may configure more than one interface for a single
   556  	// network, which can cause this.
   557  	AdditionalMacAddresses []string `json:"AdditionalMACAddresses,omitempty"`
   558  }
   559  
   560  // InspectAdditionalNetwork holds information about non-default CNI networks the
   561  // container has been connected to.
   562  // As with InspectNetworkSettings, many fields are unused and maintained only
   563  // for compatibility with Docker.
   564  type InspectAdditionalNetwork struct {
   565  	InspectBasicNetworkConfig
   566  
   567  	// Name of the network we're connecting to.
   568  	NetworkID string `json:"NetworkID,omitempty"`
   569  	// DriverOpts is presently unused and maintained exclusively for
   570  	// compatibility.
   571  	DriverOpts map[string]string `json:"DriverOpts"`
   572  	// IPAMConfig is presently unused and maintained exclusively for
   573  	// compatibility.
   574  	IPAMConfig map[string]string `json:"IPAMConfig"`
   575  	// Links is presently unused and maintained exclusively for
   576  	// compatibility.
   577  	Links []string `json:"Links"`
   578  	// Aliases are any network aliases the container has in this network.
   579  	Aliases []string `json:"Aliases,omitempty"`
   580  }
   581  
   582  // InspectNetworkSettings holds information about the network settings of the
   583  // container.
   584  // Many fields are maintained only for compatibility with `docker inspect` and
   585  // are unused within Libpod.
   586  type InspectNetworkSettings struct {
   587  	InspectBasicNetworkConfig
   588  
   589  	Bridge                 string                       `json:"Bridge"`
   590  	SandboxID              string                       `json:"SandboxID"`
   591  	HairpinMode            bool                         `json:"HairpinMode"`
   592  	LinkLocalIPv6Address   string                       `json:"LinkLocalIPv6Address"`
   593  	LinkLocalIPv6PrefixLen int                          `json:"LinkLocalIPv6PrefixLen"`
   594  	Ports                  map[string][]InspectHostPort `json:"Ports"`
   595  	SandboxKey             string                       `json:"SandboxKey"`
   596  	// Networks contains information on non-default CNI networks this
   597  	// container has joined.
   598  	// It is a map of network name to network information.
   599  	Networks map[string]*InspectAdditionalNetwork `json:"Networks,omitempty"`
   600  }
   601  
   602  // InspectContainerData provides a detailed record of a container's configuration
   603  // and state as viewed by Libpod.
   604  // Large portions of this structure are defined such that the output is
   605  // compatible with `docker inspect` JSON, but additional fields have been added
   606  // as required to share information not in the original output.
   607  type InspectContainerData struct {
   608  	ID              string                      `json:"Id"`
   609  	Created         time.Time                   `json:"Created"`
   610  	Path            string                      `json:"Path"`
   611  	Args            []string                    `json:"Args"`
   612  	State           *InspectContainerState      `json:"State"`
   613  	Image           string                      `json:"Image"`
   614  	ImageName       string                      `json:"ImageName"`
   615  	Rootfs          string                      `json:"Rootfs"`
   616  	Pod             string                      `json:"Pod"`
   617  	ResolvConfPath  string                      `json:"ResolvConfPath"`
   618  	HostnamePath    string                      `json:"HostnamePath"`
   619  	HostsPath       string                      `json:"HostsPath"`
   620  	StaticDir       string                      `json:"StaticDir"`
   621  	OCIConfigPath   string                      `json:"OCIConfigPath,omitempty"`
   622  	OCIRuntime      string                      `json:"OCIRuntime,omitempty"`
   623  	LogPath         string                      `json:"LogPath"`
   624  	LogTag          string                      `json:"LogTag"`
   625  	ConmonPidFile   string                      `json:"ConmonPidFile"`
   626  	Name            string                      `json:"Name"`
   627  	RestartCount    int32                       `json:"RestartCount"`
   628  	Driver          string                      `json:"Driver"`
   629  	MountLabel      string                      `json:"MountLabel"`
   630  	ProcessLabel    string                      `json:"ProcessLabel"`
   631  	AppArmorProfile string                      `json:"AppArmorProfile"`
   632  	EffectiveCaps   []string                    `json:"EffectiveCaps"`
   633  	BoundingCaps    []string                    `json:"BoundingCaps"`
   634  	ExecIDs         []string                    `json:"ExecIDs"`
   635  	GraphDriver     *driver.Data                `json:"GraphDriver"`
   636  	SizeRw          *int64                      `json:"SizeRw,omitempty"`
   637  	SizeRootFs      int64                       `json:"SizeRootFs,omitempty"`
   638  	Mounts          []InspectMount              `json:"Mounts"`
   639  	Dependencies    []string                    `json:"Dependencies"`
   640  	NetworkSettings *InspectNetworkSettings     `json:"NetworkSettings"` //TODO
   641  	ExitCommand     []string                    `json:"ExitCommand"`
   642  	Namespace       string                      `json:"Namespace"`
   643  	IsInfra         bool                        `json:"IsInfra"`
   644  	Config          *InspectContainerConfig     `json:"Config"`
   645  	HostConfig      *InspectContainerHostConfig `json:"HostConfig"`
   646  }
   647  
   648  // InspectExecSession contains information about a given exec session.
   649  type InspectExecSession struct {
   650  	// CanRemove is legacy and used purely for compatibility reasons.
   651  	// Will always be set to true, unless the exec session is running.
   652  	CanRemove bool `json:"CanRemove"`
   653  	// ContainerID is the ID of the container this exec session is attached
   654  	// to.
   655  	ContainerID string `json:"ContainerID"`
   656  	// DetachKeys are the detach keys used by the exec session.
   657  	// If set to "" the default keys are being used.
   658  	// Will show "<none>" if no detach keys are set.
   659  	DetachKeys string `json:"DetachKeys"`
   660  	// ExitCode is the exit code of the exec session. Will be set to 0 if
   661  	// the exec session has not yet exited.
   662  	ExitCode int `json:"ExitCode"`
   663  	// ID is the ID of the exec session.
   664  	ID string `json:"ID"`
   665  	// OpenStderr is whether the container's STDERR stream will be attached.
   666  	// Always set to true if the exec session created a TTY.
   667  	OpenStderr bool `json:"OpenStderr"`
   668  	// OpenStdin is whether the container's STDIN stream will be attached
   669  	// to.
   670  	OpenStdin bool `json:"OpenStdin"`
   671  	// OpenStdout is whether the container's STDOUT stream will be attached.
   672  	// Always set to true if the exec session created a TTY.
   673  	OpenStdout bool `json:"OpenStdout"`
   674  	// Running is whether the exec session is running.
   675  	Running bool `json:"Running"`
   676  	// Pid is the PID of the exec session's process.
   677  	// Will be set to 0 if the exec session is not running.
   678  	Pid int `json:"Pid"`
   679  	// ProcessConfig contains information about the exec session's process.
   680  	ProcessConfig *InspectExecProcess `json:"ProcessConfig"`
   681  }
   682  
   683  // InspectExecProcess contains information about the process in a given exec
   684  // session.
   685  type InspectExecProcess struct {
   686  	// Arguments are the arguments to the entrypoint command of the exec
   687  	// session.
   688  	Arguments []string `json:"arguments"`
   689  	// Entrypoint is the entrypoint for the exec session (the command that
   690  	// will be executed in the container).
   691  	Entrypoint string `json:"entrypoint"`
   692  	// Privileged is whether the exec session will be started with elevated
   693  	// privileges.
   694  	Privileged bool `json:"privileged"`
   695  	// Tty is whether the exec session created a terminal.
   696  	Tty bool `json:"tty"`
   697  	// User is the user the exec session was started as.
   698  	User string `json:"user"`
   699  }