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# Podman Service Interface and API description.  The master version of this document can be found
# in the [API.md](https://github.com/projectatomic/libpod/blob/master/API.md) file in the upstream libpod repository.
interface io.projectatomic.podman


# Version is the structure returned by GetVersion
type Version (
  version: string,
  go_version: string,
  git_commit: string,
  built: int,
  os_arch: string
)

type NotImplemented (
    comment: string
)

type StringResponse (
    message: string
)
# ContainerChanges describes the return struct for ListContainerChanges
type ContainerChanges (
   changed: []string,
   added: []string,
   deleted: []string
)

# ImageInList describes the structure that is returned in
# ListImages.
type ImageInList (
  id: string,
  parentId: string,
  repoTags: []string,
  repoDigests: []string,
  created: string,
  size: int,
  virtualSize: int,
  containers: int,
  labels: [string]string
)

# ImageHistory describes the returned structure from ImageHistory.
type ImageHistory (
    id: string,
    created: string,
    createdBy: string,
    tags: []string,
    size: int,
    comment: string
)

# ImageSearch is the returned structure for SearchImage.  It is returned
# in arrary form.
type ImageSearch (
    description: string,
    is_official: bool,
    is_automated: bool,
    name: string,
    star_count: int
)

# ListContainer is the returned struct for an individual container
type ListContainerData (
    id: string,
    image: string,
    imageid: string,
    command: []string,
    createdat: string,
    runningfor: string,
    status: string,
    ports: []ContainerPortMappings,
    rootfssize: int,
    rwsize: int,
    names: string,
    labels: [string]string,
    mounts: []ContainerMount,
    containerrunning: bool,
    namespaces: ContainerNameSpace
)

# ContainerStats is the return struct for the stats of a container
type ContainerStats (
    id: string,
    name: string,
    cpu: float,
    cpu_nano: int,
    system_nano: int,
    mem_usage: int,
    mem_limit: int,
    mem_perc: float,
    net_input: int,
    net_output: int,
    block_output: int,
    block_input: int,
    pids: int
)

# ContainerMount describes the struct for mounts in a container
type ContainerMount (
    destination: string,
    type: string,
    source: string,
    options: []string
)

# ContainerPortMappings describes the struct for portmappings in an existing container
type ContainerPortMappings (
    host_port: string,
    host_ip: string,
    protocol: string,
    container_port: string
)

# ContainerNamespace describes the namespace structure for an existing container
type ContainerNameSpace (
    user: string,
    uts: string,
    pidns: string,
    pid: string,
    cgroup: string,
    net: string,
    mnt: string,
    ipc: string
)

# Ping provides a response for developers to ensure their varlink setup is working.
# #### Example
# ~~~
# $ varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.Ping
# {
#   "ping": {
#     "message": "OK"
#   }
# }
# ~~~
method Ping() -> (ping: StringResponse)

# GetVersion returns a Version structure describing the libpod setup on their
# system.
method GetVersion() -> (version: Version)


# ListContainers returns a list of containers in no particular order.  There are
# returned as an array of ListContainerData structs.  See also [GetContainer](#GetContainer).
method ListContainers() -> (containers: []ListContainerData)

# GetContainer takes a name or ID of a container and returns single ListContainerData
# structure.  A [ContainerNotFound](#ContainerNotFound) error will be returned if the container cannot be found.
# See also [ListContainers](ListContainers) and [InspectContainer](InspectContainer).
method GetContainer(name: string) -> (container: ListContainerData)

# This method has not been implemented yet.
method CreateContainer() -> (notimplemented: NotImplemented)

# InspectContainer data takes a name or ID of a container returns the inspection
# data in string format.  You can then serialize the string into JSON.  A [ContainerNotFound](#ContainerNotFound)
# error will be returned if the container cannot be found. See also [InspectImage](#InspectImage).
method InspectContainer(name: string) -> (container: string)

# ListContainerProcesses takes a name or ID of a container and returns the processes
# running inside the container as array of strings.  It will accept an array of string
# arguements that represent ps options.  If the container cannot be found, a [ContainerNotFound](#ContainerNotFound)
# error will be returned.
# #### Example
# ~~~
# $ varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.ListContainerProcesses '{"name": "135d71b9495f", "opts": []}'
# {
#   "container": [
#     "  UID   PID  PPID  C STIME TTY          TIME CMD",
#     "    0 21220 21210  0 09:05 pts/0    00:00:00 /bin/sh",
#     "    0 21232 21220  0 09:05 pts/0    00:00:00 top",
#     "    0 21284 21220  0 09:05 pts/0    00:00:00 vi /etc/hosts"
#   ]
# }
# ~~~
method ListContainerProcesses(name: string, opts: []string) -> (container: []string)

# GetContainerLogs takes a name or ID of a container and returns the logs of that container.
# If the container cannot be found, a [ContainerNotFound](#ContainerNotFound) error will be returned.
# The container logs are returned as an array of strings.  GetContainerLogs will honor the streaming
# capability of varlink if the client invokes it.
method GetContainerLogs(name: string) -> (container: []string)

# ListContainerChanges takes a name or ID of a container and returns changes between the container and
# its base image. It returns a struct of changed, deleted, and added path names. If the
# container cannot be found, a [ContainerNotFound](#ContainerNotFound) error will be returned.
method ListContainerChanges(name: string) -> (container: ContainerChanges)

# ExportContainer creates an image from a container.  It takes the name or ID of a container and a
# path representing the target tarfile.  If the container cannot be found, a [ContainerNotFound](#ContainerNotFound)
# error will be returned.
# The return value is the written tarfile.
method ExportContainer(name: string, path: string) -> (tarfile: string)

# GetContainerStats takes the name or ID of a container and returns a single ContainerStats structure which
# contains attributes like memory and cpu usage.  If the container cannot be found, a
# [ContainerNotFound](#ContainerNotFound)  error will be returned.
# #### Example
# ~~~
# $ varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.GetContainerStats '{"name": "c33e4164f384"}'
# {
#   "container": {
#     "block_input": 0,
#     "block_output": 0,
#     "cpu": 2.571123918839990154678e-08,
#     "cpu_nano": 49037378,
#     "id": "c33e4164f384aa9d979072a63319d66b74fd7a128be71fa68ede24f33ec6cfee",
#     "mem_limit": 33080606720,
#     "mem_perc": 2.166828456524753747370e-03,
#     "mem_usage": 716800,
#     "name": "competent_wozniak",
#     "net_input": 768,
#     "net_output": 5910,
#     "pids": 1,
#     "system_nano": 10000000
#   }
# }
# ~~~
method GetContainerStats(name: string) -> (container: ContainerStats)

# This method has not be implemented yet.
method ResizeContainerTty() -> (notimplemented: NotImplemented)

# This method has not be implemented yet.
method StartContainer() -> (notimplemented: NotImplemented)

# StopContainer stops a container given a timeout.  It takes the name or ID of a container as well as a
# timeout value.  The timeout value the time before a forceable stop to the container is applied.  It
# returns the container ID once stopped. If the container cannot be found, a [ContainerNotFound](#ContainerNotFound)
# error will be returned instead. See also [KillContainer](KillContainer).
# #### Error
# ~~~
# $ varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.StopContainer '{"name": "135d71b9495f", "timeout": 5}'
# {
#   "container": "135d71b9495f7c3967f536edad57750bfdb569336cd107d8aabab45565ffcfb6"
# }
# ~~~
method StopContainer(name: string, timeout: int) -> (container: string)

# RestartContainer will restart a running container given a container name or ID and timeout value. The timeout
# value is the time before a forceable stop is used to stop the container.  If the container cannot be found by
# name or ID, a [ContainerNotFound](#ContainerNotFound)  error will be returned; otherwise, the ID of the
# container will be returned.
method RestartContainer(name: string, timeout: int) -> (container: string)

# KillContainer takes the name or ID of a container as well as a signal to be applied to the container.  Once the
# container has been killed, the container's ID is returned.  If the container cannot be found, a
# [ContainerNotFound](#ContainerNotFound) error is returned. See also [StopContainer](StopContainer).
method KillContainer(name: string, signal: int) -> (container: string)

# This method has not be implemented yet.
method UpdateContainer() -> (notimplemented: NotImplemented)

# This method has not be implemented yet.
method RenameContainer() -> (notimplemented: NotImplemented)

# PauseContainer takes the name or ID of container and pauses it.  If the container cannot be found,
# a [ContainerNotFound](#ContainerNotFound) error will be returned; otherwise the ID of the container is returned.
# See also [UnpauseContainer](UnpauseContainer).
method PauseContainer(name: string) -> (container: string)

# UnpauseContainer takes the name or ID of container and unpauses a paused container.  If the container cannot be
# found, a [ContainerNotFound](#ContainerNotFound) error will be returned; otherwise the ID of the container is returned.
# See also [PauseContainer](PauseContainer).
method UnpauseContainer(name: string) -> (container: string)

# This method has not be implemented yet.
method AttachToContainer() -> (notimplemented: NotImplemented)

# WaitContainer takes the name of ID of a container and waits until the container stops.  Upon stopping, the return
# code of the container is returned. If the container container cannot be found by ID or name,
# a [ContainerNotFound](#ContainerNotFound) error is returned.
method WaitContainer(name: string) -> (exitcode: int)

# RemoveContainer takes requires the name or ID of container as well a boolean representing whether a running
# container can be stopped and removed.  Upon sucessful removal of the container, its ID is returned.  If the
# container cannot be found by name or ID, an [ContainerNotFound](#ContainerNotFound) error will be returned.
# #### Error
# ~~~
# $ varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.RemoveContainer '{"name": "62f4fd98cb57"}'
# {
#   "container": "62f4fd98cb57f529831e8f90610e54bba74bd6f02920ffb485e15376ed365c20"
# }
# ~~~
method RemoveContainer(name: string, force: bool) -> (container: string)

# DeleteStoppedContainers will delete all containers that are not running. It will return a list the deleted
# container IDs.  See also [RemoveContainer](RemoveContainer).
method DeleteStoppedContainers() -> (containers: []string)

# ListImages returns an array of ImageInList structures which provide basic information about
# an image currenly in storage.  See also [InspectImage](InspectImage).
method ListImages() -> (images: []ImageInList)

# This function is not implemented yet.
method BuildImage() -> (notimplemented: NotImplemented)

# This function is not implemented yet.
method CreateImage() -> (notimplemented: NotImplemented)

# InspectImage takes the name or ID of an image and returns a string respresentation of data associated with the
#image.  You must serialize the string into JSON to use it further.  An [ImageNotFound](#ImageNotFound) error will
# be returned if the image cannot be found.
method InspectImage(name: string) -> (image: string)

# HistoryImage takes the name or ID of an image and returns information about its history and layers.  The returned
# history is in the form of an array of ImageHistory structures.  If the image cannot be found, an
# [ImageNotFound](#ImageNotFound) error is returned.
method HistoryImage(name: string) -> (history: []ImageHistory)

# PushImage takes three input arguments: the name or ID of an image, the fully-qualified destination name of the image,
# and a boolean as to whether tls-verify should be used.  It will return an [ImageNotFound](#ImageNotFound) error if
# the image cannot be found in local storage; otherwise the ID of the image will be returned on success.
method PushImage(name: string, tag: string, tlsverify: bool) -> (image: string)

# TagImage takes the name or ID of an image in local storage as well as the desired tag name.  If the image cannot
# be found, an [ImageNotFound](#ImageNotFound) error will be returned; otherwise, the ID of the image is returned on success.
method TagImage(name: string, tagged: string) -> (image: string)

# RemoveImage takes the name or ID of an image as well as a booleon that determines if containers using that image
# should be deleted.  If the image cannot be found, an [ImageNotFound](#ImageNotFound) error will be returned.  The
# ID of the removed image is returned when complete.  See also [DeleteUnusedImages](DeleteUnusedImages).
# #### Example
# ~~~
# varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.RemoveImage '{"name": "registry.fedoraproject.org/fedora", "force": true}'
# {
#   "image": "426866d6fa419873f97e5cbd320eeb22778244c1dfffa01c944db3114f55772e"
# }
# ~~~
method RemoveImage(name: string, force: bool) -> (image: string)

# SearchImage takes the string of an image name and a limit of searches from each registries to be returned.  SearchImage
# will then use a glob-like match to find the image you are searching for.  The images are returned in an array of
# ImageSearch structures which contain information about the image as well as its fully-qualified name.
method SearchImage(name: string, limit: int) -> (images: []ImageSearch)

# DeleteUnusedImages deletes any images not associated with a container.  The IDs of the deleted images are returned
# in a string array.
method DeleteUnusedImages() -> (images: []string)

# This method is not implemented.
method CreateFromContainer() -> (notimplemented: NotImplemented)

# ImportImage imports an image from a source (like tarball) into local storage.  The image can have additional
# descriptions added to it using the message and changes options. See also [ExportImage](ExportImage).
method ImportImage(source: string, reference: string, message: string, changes: []string) -> (image: string)

# ExportImage takes the name or ID of an image and exports it to a destination like a tarball.  There is also
# a booleon option to force compression.  Upon completion, the ID of the image is returned. If the image cannot
# be found in local storage, an [ImageNotFound](#ImageNotFound) error will be returned. See also [ImportImage](ImportImage).
method ExportImage(name: string, destination: string, compress: bool) -> (image: string)

# PullImage pulls an image from a repository to local storage.  After the pull is successful, the ID of the image
# is returned.
# #### Example
# ~~~
# $ varlink call -m unix:/run/io.projectatomic.podman/io.projectatomic.podman.PullImage '{"name": "registry.fedoraproject.org/fedora"}'
# {
#   "id": "426866d6fa419873f97e5cbd320eeb22778244c1dfffa01c944db3114f55772e"
# }
# ~~~
method PullImage(name: string) -> (id: string)


# ImageNotFound means the image could not be found by the provided name or ID in local storage.
error ImageNotFound (name: string)

# ContainerNotFound means the container could not be found by the provided name or ID in local storage.
error ContainerNotFound (name: string)

# ErrorOccurred is a generic error for an error that occurs during the execution.  The actual error message
# is includes as part of the error's text.
error ErrorOccurred (reason: string)

# RuntimeErrors generally means a runtime could not be found or gotten.
error RuntimeError (reason: string)