Struct oci_spec::runtime::Spec

pub struct Spec { /* private fields */ }

Base configuration for the container.

Implementations

impl Spec

pub fn version(&self) -> &String

MUST be in SemVer v2.0.0 format and specifies the version of the Open Container Initiative Runtime Specification with which the bundle complies. The Open Container Initiative Runtime Specification follows semantic versioning and retains forward and backward compatibility within major versions. For example, if a configuration is compliant with version 1.1 of this specification, it is compatible with all runtimes that support any 1.1 or later release of this specification, but is not compatible with a runtime that supports 1.0 and not 1.1.

pub fn root(&self) -> &Option<Root>

Specifies the container’s root filesystem. On Windows, for Windows Server Containers, this field is REQUIRED. For Hyper-V Containers, this field MUST NOT be set.

On all other platforms, this field is REQUIRED.

pub fn mounts(&self) -> &Option<Vec<Mount>>

Specifies additional mounts beyond root. The runtime MUST mount entries in the listed order.

For Linux, the parameters are as documented in mount(2) system call man page. For Solaris, the mount entry corresponds to the ‘fs’ resource in the zonecfg(1M) man page.

pub fn process(&self) -> &Option<Process>

Specifies the container process. This property is REQUIRED when start is called.

pub fn hostname(&self) -> &Option<String>

Specifies the container’s hostname as seen by processes running inside the container. On Linux, for example, this will change the hostname in the container UTS namespace. Depending on your namespace configuration, the container UTS namespace may be the runtime UTS namespace.

pub fn domainname(&self) -> &Option<String>

Specifies the container’s domainame as seen by processes running inside the container. On Linux, for example, this will change the domainame in the container UTS namespace. Depending on your namespace configuration, the container UTS namespace may be the runtime UTS namespace.

pub fn hooks(&self) -> &Option<Hooks>

Hooks allow users to specify programs to run before or after various lifecycle events. Hooks MUST be called in the listed order. The state of the container MUST be passed to hooks over stdin so that they may do work appropriate to the current state of the container.

pub fn annotations(&self) -> &Option<HashMap<String, String>>

Annotations contains arbitrary metadata for the container. This information MAY be structured or unstructured. Annotations MUST be a key-value map. If there are no annotations then this property MAY either be absent or an empty map.

Keys MUST be strings. Keys MUST NOT be an empty string. Keys SHOULD be named using a reverse domain notation - e.g. com.example.myKey. Keys using the org.opencontainers namespace are reserved and MUST NOT be used by subsequent specifications. Runtimes MUST handle unknown annotation keys like any other unknown property.

Values MUST be strings. Values MAY be an empty string.

pub fn linux(&self) -> &Option<Linux>

Linux is platform-specific configuration for Linux based containers.

pub fn solaris(&self) -> &Option<Solaris>

Solaris is platform-specific configuration for Solaris based containers.

pub fn windows(&self) -> &Option<Windows>

Windows is platform-specific configuration for Windows based containers.

pub fn vm(&self) -> &Option<VM>

VM specifies configuration for Virtual Machine based containers.

pub fn uid_mappings(&self) -> &Option<Vec<LinuxIdMapping>>

UID mappings used for changing file owners w/o calling chown, fs should support it. Every mount point could have its own mapping.

pub fn gid_mappings(&self) -> &Option<Vec<LinuxIdMapping>>

GID mappings used for changing file owners w/o calling chown, fs should support it. Every mount point could have its own mapping.

impl Spec

pub fn set_version(&mut self, val: String) -> &mut Self

MUST be in SemVer v2.0.0 format and specifies the version of the Open Container Initiative Runtime Specification with which the bundle complies. The Open Container Initiative Runtime Specification follows semantic versioning and retains forward and backward compatibility within major versions. For example, if a configuration is compliant with version 1.1 of this specification, it is compatible with all runtimes that support any 1.1 or later release of this specification, but is not compatible with a runtime that supports 1.0 and not 1.1.

pub fn set_root(&mut self, val: Option<Root>) -> &mut Self

Specifies the container’s root filesystem. On Windows, for Windows Server Containers, this field is REQUIRED. For Hyper-V Containers, this field MUST NOT be set.

On all other platforms, this field is REQUIRED.

pub fn set_mounts(&mut self, val: Option<Vec<Mount>>) -> &mut Self

Specifies additional mounts beyond root. The runtime MUST mount entries in the listed order.

For Linux, the parameters are as documented in mount(2) system call man page. For Solaris, the mount entry corresponds to the ‘fs’ resource in the zonecfg(1M) man page.

pub fn set_process(&mut self, val: Option<Process>) -> &mut Self

Specifies the container process. This property is REQUIRED when start is called.

pub fn set_hostname(&mut self, val: Option<String>) -> &mut Self

Specifies the container’s hostname as seen by processes running inside the container. On Linux, for example, this will change the hostname in the container UTS namespace. Depending on your namespace configuration, the container UTS namespace may be the runtime UTS namespace.

pub fn set_domainname(&mut self, val: Option<String>) -> &mut Self

Specifies the container’s domainame as seen by processes running inside the container. On Linux, for example, this will change the domainame in the container UTS namespace. Depending on your namespace configuration, the container UTS namespace may be the runtime UTS namespace.

pub fn set_hooks(&mut self, val: Option<Hooks>) -> &mut Self

Hooks allow users to specify programs to run before or after various lifecycle events. Hooks MUST be called in the listed order. The state of the container MUST be passed to hooks over stdin so that they may do work appropriate to the current state of the container.

pub fn set_annotations( &mut self, val: Option<HashMap<String, String>> ) -> &mut Self

Annotations contains arbitrary metadata for the container. This information MAY be structured or unstructured. Annotations MUST be a key-value map. If there are no annotations then this property MAY either be absent or an empty map.

Keys MUST be strings. Keys MUST NOT be an empty string. Keys SHOULD be named using a reverse domain notation - e.g. com.example.myKey. Keys using the org.opencontainers namespace are reserved and MUST NOT be used by subsequent specifications. Runtimes MUST handle unknown annotation keys like any other unknown property.

Values MUST be strings. Values MAY be an empty string.

pub fn set_linux(&mut self, val: Option<Linux>) -> &mut Self

Linux is platform-specific configuration for Linux based containers.

pub fn set_solaris(&mut self, val: Option<Solaris>) -> &mut Self

Solaris is platform-specific configuration for Solaris based containers.

pub fn set_windows(&mut self, val: Option<Windows>) -> &mut Self

Windows is platform-specific configuration for Windows based containers.

pub fn set_vm(&mut self, val: Option<VM>) -> &mut Self

VM specifies configuration for Virtual Machine based containers.

pub fn set_uid_mappings( &mut self, val: Option<Vec<LinuxIdMapping>> ) -> &mut Self

UID mappings used for changing file owners w/o calling chown, fs should support it. Every mount point could have its own mapping.

pub fn set_gid_mappings( &mut self, val: Option<Vec<LinuxIdMapping>> ) -> &mut Self

GID mappings used for changing file owners w/o calling chown, fs should support it. Every mount point could have its own mapping.

impl Spec

pub fn load<P: AsRef<Path>>(path: P) -> Result<Self>

Load a new Spec from the provided JSON file path.

Errors

This function will return an OciSpecError::Io if the spec does not exist or an OciSpecError::SerDe if it is invalid.

Example

use oci_spec::runtime::Spec;

let spec = Spec::load("config.json").unwrap();

pub fn save<P: AsRef<Path>>(&self, path: P) -> Result<()>

Save a Spec to the provided JSON file path.

Errors

This function will return an OciSpecError::Io if a file cannot be created at the provided path or an OciSpecError::SerDe if the spec cannot be serialized.

Example

use oci_spec::runtime::Spec;

let mut spec = Spec::load("config.json").unwrap();
spec.save("my_config.json").unwrap();

pub fn canonicalize_rootfs<P: AsRef<Path>>(&mut self, bundle: P) -> Result<()>

Canonicalize the root.path of the Spec for the provided bundle.

pub fn rootless(uid: u32, gid: u32) -> Self

Return default rootless spec.

Example

use oci_spec::runtime::Spec;

let spec = Spec::rootless(1000, 1000);

Trait Implementations

impl Clone for Spec

fn clone(&self) -> Spec

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Spec

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Spec

fn default() -> Self

Returns the “default value” for a type.

impl<'de> Deserialize<'de> for Spec

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl PartialEq for Spec

fn eq(&self, other: &Spec) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Serialize for Spec

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.

impl Eq for Spec

impl StructuralPartialEq for Spec