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client-go: Clear the ResourceVersionMatch on paged list calls

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API server rejects continuations with ResourceVersionMatch set.

Kubernetes-commit: 8ac5e9b065cd9aef1543080cce1cf99cc8bb4ce9
This commit is contained in:
Shaun Crampton 2022-01-04 16:05:32 +00:00 committed by Kubernetes Publisher
parent 782ff783b6
commit 5754d8fddf
2 changed files with 15 additions and 1 deletions
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5
tools/pager/pager.go
View File

@ -78,6 +78,7 @@ func (p *ListPager) List(ctx context.Context, options metav1.ListOptions) (runti
options.Limit = p.PageSize
}
requestedResourceVersion := options.ResourceVersion
requestedResourceVersionMatch := options.ResourceVersionMatch
var list *metainternalversion.List
paginatedResult := false
@ -102,6 +103,7 @@ func (p *ListPager) List(ctx context.Context, options metav1.ListOptions) (runti
options.Limit = 0
options.Continue = ""
options.ResourceVersion = requestedResourceVersion
options.ResourceVersionMatch = requestedResourceVersionMatch
result, err := p.PageFn(ctx, options)
return result, paginatedResult, err
}
@ -135,10 +137,11 @@ func (p *ListPager) List(ctx context.Context, options metav1.ListOptions) (runti
// set the next loop up
options.Continue = m.GetContinue()
// Clear the ResourceVersion on the subsequent List calls to avoid the
// Clear the ResourceVersion(Match) on the subsequent List calls to avoid the
// `specifying resource version is not allowed when using continue` error.
// See https://github.com/kubernetes/kubernetes/issues/85221#issuecomment-553748143.
options.ResourceVersion = ""
options.ResourceVersionMatch = ""
// At this point, result is already paginated.
paginatedResult = true
}

11
tools/pager/pager_test.go
View File

@ -76,6 +76,10 @@ func (p *testPager) PagedList(ctx context.Context, options metav1.ListOptions) (
p.t.Errorf("invariant violated, specifying resource version (%s) is not allowed when using continue (%s).", options.ResourceVersion, options.Continue)
return nil, fmt.Errorf("invariant violated")
}
if options.Continue != "" && options.ResourceVersionMatch != "" {
p.t.Errorf("invariant violated, specifying resource version match type (%s) is not allowed when using continue (%s).", options.ResourceVersionMatch, options.Continue)
return nil, fmt.Errorf("invariant violated")
}
var list metainternalversion.List
total := options.Limit
if total == 0 {
@ -201,6 +205,13 @@ func TestListPager_List(t *testing.T) {
want: list(11, "rv:20"),
wantPaged: true,
},
{
name: "two pages with resourceVersion and resourceVersionMatch",
fields: fields{PageSize: 10, PageFn: (&testPager{t: t, expectPage: 10, remaining: 11, rv: "rv:20"}).PagedList},
args: args{options: metav1.ListOptions{ResourceVersion: "rv:10", ResourceVersionMatch: metav1.ResourceVersionMatchNotOlderThan}},
want: list(11, "rv:20"),
wantPaged: true,
},
}
for _, tt := range tests {
t.Run(tt.name, func(t *testing.T) {