<li>Property check: {@code ${my.property} != 'some-value'}</li>
            <li>Regex matching: {@code matches(${os.version}, '.*aws')}</li>
            <li>Complex condition: {@code ${os.name} == 'windows' && ${os.arch} != 'amd64' && inrange(${os.version}, '[10,)')}</li>
            <li>String length check: {@code length(${user.name}) > 5}</li>
            <li>Substring with version: {@code substring(${java.version}, 0, 3) == '1.8'}</li>

synchronized class Os { private static final String OS_NAME; private static final String OS_ARCH; private static final String OS_VERSION; private static final String PATH_SEP; private String family; private String name; private String version; private String arch; public void Os(); public void Os(String); public void setFamily(String); public void setName(String); public void setArch(String); public void setVersion(String); public boolean eval() throws Exception; public static boolean isFamily(String); public...

### Container Images

All container images are available as manifest lists and support the described
architectures. It is also possible to pull a specific architecture directly by
adding the "-$ARCH" suffix  to the container image name.

name | architectures
---- | -------------

* AWS: Allow cross-region image pulling with ECR ([#24369](https://github.com/kubernetes/kubernetes/pull/24369), [@therc](https://github.com/therc))
* Automatically add node labels beta.kubernetes.io/{os,arch} ([#23684](https://github.com/kubernetes/kubernetes/pull/23684), [@luxas](https://github.com/luxas))

- The deprecated mondo `kubernetes-test` tarball is no longer built. Users running Kubernetes e2e tests should use the `kubernetes-test-portable` and `kubernetes-test-{OS}-{ARCH}` tarballs instead. ([#83093](https://github.com/kubernetes/kubernetes/pull/83093), [@ixdy](https://github.com/ixdy))

### Scheduling

pkg time, const Friday Weekday
pkg time, const Hour Duration
pkg time, const January Month
pkg time, const July Month
pkg time, const June Month
pkg time, const Kitchen ideal-string
pkg time, const March Month
pkg time, const May Month
pkg time, const Microsecond Duration
pkg time, const Millisecond Duration
pkg time, const Minute Duration
pkg time, const Monday Weekday
pkg time, const Nanosecond Duration

    <alias type="application/vnd.debian.binary-package"/>
    <sub-class-of type="application/x-archive"/>
    <magic priority="60">
      <match value="!&lt;arch&gt;\ndebian-binary" type="string" offset="0"/>
      <match value="!&lt;arch&gt;\ndebian-split" type="string" offset="0"/>
    </magic>
    <glob pattern="*.deb"/>
    <glob pattern="*.udeb"/>
  </mime-type>

pkg time, const Friday = 5
pkg time, const Hour = 3600000000000
pkg time, const January = 1
pkg time, const July = 7
pkg time, const June = 6
pkg time, const Kitchen = "3:04PM"
pkg time, const March = 3
pkg time, const May = 5
pkg time, const Microsecond = 1000
pkg time, const Millisecond = 1000000
pkg time, const Minute = 60000000000
pkg time, const Monday = 1
pkg time, const Nanosecond = 1

        * `kubernetes.io/hostname`
        * `kubernetes.io/instance-type`
        * `kubernetes.io/os`
        * `kubernetes.io/arch`
        * `beta.kubernetes.io/instance-type`
        * `beta.kubernetes.io/os`
        * `beta.kubernetes.io/arch`
        * `failure-domain.kubernetes.io/zone`
        * `failure-domain.kubernetes.io/region`
        * `failure-domain.beta.kubernetes.io/zone`

- kubelet
  - The `beta.kubernetes.io/os` and `beta.kubernetes.io/arch` labels, deprecated since v1.14, are targeted for removal in v1.18.
  - The `--containerized` flag, deprecated since v1.14, will be removed in a future release.