1. Add API definitions;
2. Add feature gate and drops the field when feature gate is not on;
3. Set default values for the field;
4. Add API Validation
5. add kube-proxy iptables and ipvs implementations
6. add tests
* Mixed protocol support for Services with type=LoadBalancer
KEP: https://github.com/kubernetes/enhancements/blob/master/keps/sig-network/20200103-mixed-protocol-lb.md
Add new feature gate to control the support of mixed protocols in Services with type=LoadBalancer
Add new fields to the ServiceStatus
Add Ports to the LoadBalancerIngress, so cloud provider implementations can report the status of the requested load balanc
er ports
Add ServiceCondition to the ServiceStatus so Service controllers can indicate the conditions of the Service
* regenerate conflicting stuff
* api: structure change
* api: defaulting, conversion, and validation
* [FIX] validation: auto remove second ip/family when service changes to SingleStack
* [FIX] api: defaulting, conversion, and validation
* api-server: clusterIPs alloc, printers, storage and strategy
* [FIX] clusterIPs default on read
* alloc: auto remove second ip/family when service changes to SingleStack
* api-server: repair loop handling for clusterIPs
* api-server: force kubernetes default service into single stack
* api-server: tie dualstack feature flag with endpoint feature flag
* controller-manager: feature flag, endpoint, and endpointSlice controllers handling multi family service
* [FIX] controller-manager: feature flag, endpoint, and endpointSlicecontrollers handling multi family service
* kube-proxy: feature-flag, utils, proxier, and meta proxier
* [FIX] kubeproxy: call both proxier at the same time
* kubenet: remove forced pod IP sorting
* kubectl: modify describe to include ClusterIPs, IPFamilies, and IPFamilyPolicy
* e2e: fix tests that depends on IPFamily field AND add dual stack tests
* e2e: fix expected error message for ClusterIP immutability
* add integration tests for dualstack
the third phase of dual stack is a very complex change in the API,
basically it introduces Dual Stack services. Main changes are:
- It pluralizes the Service IPFamily field to IPFamilies,
and removes the singular field.
- It introduces a new field IPFamilyPolicyType that can take
3 values to express the "dual-stack(mad)ness" of the cluster:
SingleStack, PreferDualStack and RequireDualStack
- It pluralizes ClusterIP to ClusterIPs.
The goal is to add coverage to the services API operations,
taking into account the 6 different modes a cluster can have:
- single stack: IP4 or IPv6 (as of today)
- dual stack: IPv4 only, IPv6 only, IPv4 - IPv6, IPv6 - IPv4
* [FIX] add integration tests for dualstack
* generated data
* generated files
Co-authored-by: Antonio Ojea <aojea@redhat.com>
If the dual-stack flag is enabled and the cluster is single stack IPv6,
the allocator logic for service clusterIP does not properly handle rejecting
a request for an IPv4 family. Return a 422 Invalid on the ipFamily field
when the dual stack flag is on (as it would when it hits beta) and the
cluster is configured for single-stack IPv6.
The family is now defaulted or cleared in BeforeCreate/BeforeUpdate,
and is either inherited from the previous object (if nil or unchanged),
or set to the default strategy's family as necessary. The existing
family defaulting when cluster ip is provided remains in the api
section. We add additonal family defaulting at the time we allocate
the IP to ensure that IPFamily is a consequence of the ClusterIP
and prevent accidental reversion. This defaulting also ensures that
old clients that submit a nil IPFamily for non ClusterIP services
receive a default.
To properly handle validation, make the strategy and the validation code
path condition on which configuration options are passed to service
storage. Move validation and preparation logic inside the strategy where
it belongs. Service validation is now dependent on the configuration of
the server, and as such ValidateConditionService needs to know what the
allowed families are.
This implementation allows Pod to request multiple hugepage resources
of different size and mount hugepage volumes using storage medium
HugePage-<size>, e.g.
spec:
containers:
resources:
requests:
hugepages-2Mi: 2Mi
hugepages-1Gi: 2Gi
volumeMounts:
- mountPath: /hugepages-2Mi
name: hugepage-2mi
- mountPath: /hugepages-1Gi
name: hugepage-1gi
...
volumes:
- name: hugepage-2mi
emptyDir:
medium: HugePages-2Mi
- name: hugepage-1gi
emptyDir:
medium: HugePages-1Gi
NOTE: This is an alpha feature.
Feature gate HugePageStorageMediumSize must be enabled for it to work.
Remove the validation for pre-allocated hugepages on node level.
Validation is currently the only thing making it impossible to use
pre-allocated huge pages in more than one size.
We have now quite a few reports from real users that this feature is
welcome.
add host file write for podIPs
update tests
remove import alias
update type check
update type check
remove import alias
update open api spec
add tests
update test
add tests
address review comments
update imports
remove todo and import alias
* Fix lint errors related to receiver name
Ref #68026
* Fix lint errors related to comments
Ref #68026
* Fix package name in comments
Ref #68026
* Rename Cpu to CPU
Ref #68026
* Fix lint errors related to naming convention
Ref #68026
* Remove deprecated field
DoNotUse_ExternalID has been deprecated and is not in use anymore.
It has been removed to fix lint errors related to underscores in field
names.
Ref #68026, #61966
* Include pkg/apis/core in golint check
Ref #68026
* Rename var to fix lint errors
Ref #68026
* Revert "Remove deprecated field"
This reverts commit 75e9bfc168077fcb9346e334b59d60a2c997735b.
Ref #82919
* Remove math from godoc
Ref #82919, #68026
* Remove underscore from var name
Ref #68026
* Rename var in staging core api type
Ref #68026
