Files
kubernetes/cmd/kubeadm/app/util/apiclient/BUILD
Rafael Fernández López bc8bafd825 kubeadm: improve resiliency when conflicts arise when updating the kubeadm-config ConfigMap
Add the functionality to support `CreateOrMutateConfigMap` and `MutateConfigMap`.

* `CreateOrMutateConfigMap` will try to create a given ConfigMap object; if this ConfigMap
  already exists, a new version of the resource will be retrieved from the server and a
  mutator callback will be called on it. Then, an `Update` of the mutated object will be
  performed. If there's a conflict during this `Update` operation, retry until no conflict
  happens. On every retry the object is refreshed from the server to the latest version.

* `MutateConfigMap` will try to get the latest version of the ConfigMap from the server,
  call the mutator callback and then try to `Update` the mutated object. If there's a
  conflict during this `Update` operation, retry until no conflict happens. On every retry
  the object is refreshed from the server to the latest version.

Add unit tests for `MutateConfigMap`

* One test checks that in case of no conflicts, the update of the
  given ConfigMap happens without any issues.

* Another test mimics 5 consecutive CONFLICT responses when updating
  the given ConfigMap, whereas the sixth try it will work.
2019-04-23 15:40:37 +02:00

81 lines
3.2 KiB
Python

package(default_visibility = ["//visibility:public"])
load(
"@io_bazel_rules_go//go:def.bzl",
"go_library",
"go_test",
)
go_library(
name = "go_default_library",
srcs = [
"clientbacked_dryrun.go",
"dryrunclient.go",
"idempotency.go",
"init_dryrun.go",
"wait.go",
],
importpath = "k8s.io/kubernetes/cmd/kubeadm/app/util/apiclient",
deps = [
"//cmd/kubeadm/app/constants:go_default_library",
"//cmd/kubeadm/app/util:go_default_library",
"//pkg/kubelet/types:go_default_library",
"//pkg/registry/core/service/ipallocator:go_default_library",
"//staging/src/k8s.io/api/apps/v1:go_default_library",
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/rbac/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/types:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/net:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/strategicpatch:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/client-go/dynamic:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/fake:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/scheme:go_default_library",
"//staging/src/k8s.io/client-go/rest:go_default_library",
"//staging/src/k8s.io/client-go/testing:go_default_library",
"//staging/src/k8s.io/client-go/tools/clientcmd:go_default_library",
"//staging/src/k8s.io/client-go/util/retry:go_default_library",
"//vendor/github.com/pkg/errors:go_default_library",
],
)
filegroup(
name = "package-srcs",
srcs = glob(["**"]),
tags = ["automanaged"],
visibility = ["//visibility:private"],
)
filegroup(
name = "all-srcs",
srcs = [":package-srcs"],
tags = ["automanaged"],
)
go_test(
name = "go_default_test",
srcs = [
"dryrunclient_test.go",
"idempotency_test.go",
"init_dryrun_test.go",
],
embed = [":go_default_library"],
deps = [
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/api/rbac/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime/schema:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes/fake:go_default_library",
"//staging/src/k8s.io/client-go/testing:go_default_library",
"//vendor/github.com/pkg/errors:go_default_library",
],
)