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d3468105d7
* Align spanner ListHistory implementation with sql one * Move migration logic * Move migration code --------- Co-authored-by: Marco de Abreu <18629099+marcoabreu@users.noreply.github.com>
31 lines
1.1 KiB
Go
31 lines
1.1 KiB
Go
package resource
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import (
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"fmt"
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"github.com/grafana/grafana/pkg/infra/log"
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)
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// MigrateVersionMatch handles backwards compatibility for ResourceVersionMatch
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// by migrating from the deprecated version_match to version_match_v2.
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// It returns an error if the version match is unknown.
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func MigrateListRequestVersionMatch(req *ListRequest, logger log.Logger) error {
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if req.VersionMatch != nil && req.GetVersionMatchV2() == ResourceVersionMatchV2_UNKNOWN {
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switch req.GetVersionMatch() {
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case ResourceVersionMatch_DEPRECATED_NotOlderThan:
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// This is not a typo. The old implementation actually did behave like Unset.
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req.VersionMatchV2 = ResourceVersionMatchV2_Unset
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case ResourceVersionMatch_DEPRECATED_Exact:
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req.VersionMatchV2 = ResourceVersionMatchV2_Exact
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default:
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return fmt.Errorf("unknown version match: %v", req.GetVersionMatch())
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}
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// Log the migration to measure whether we have successfully migrated all clients
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logger.Info("Old client request received, migrating from version_match to version_match_v2",
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"oldValue", req.GetVersionMatch(),
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"newValue", req.GetVersionMatchV2())
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}
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return nil
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}
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