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Add ability to perform an etcd on-demand snapshot via cli (#2819)

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* add ability to perform an etcd on-demand snapshot via cli

(cherry picked from commit 13229019f8)
Signed-off-by: Brian Downs <brian.downs@gmail.com>
This commit is contained in:
Brian Downs
2021-01-21 14:09:15 -07:00
parent 64017c5272
commit ca55efaa8e
15 changed files with 204 additions and 25 deletions
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10
pkg/cluster/bootstrap.go
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@@ -9,6 +9,7 @@ import (
"github.com/rancher/k3s/pkg/bootstrap"
"github.com/rancher/k3s/pkg/clientaccess"
"github.com/rancher/k3s/pkg/daemons/config"
"github.com/rancher/k3s/pkg/version"
"github.com/sirupsen/logrus"
)
@@ -147,3 +148,12 @@ func (c *Cluster) bootstrap(ctx context.Context) error {
func (c *Cluster) bootstrapStamp() string {
return filepath.Join(c.config.DataDir, "db/joined-"+keyHash(c.config.Token))
}
// Snapshot is a proxy method to call the snapshot method on the managedb
// interface for etcd clusters.
func (c *Cluster) Snapshot(ctx context.Context, config *config.Control) error {
if c.managedDB == nil {
return errors.New("unable to perform etcd snapshot on non-etcd system")
}
return c.managedDB.Snapshot(ctx, config)
}

1
pkg/cluster/managed/drivers.go
View File

@@ -23,6 +23,7 @@ type Driver interface {
EndpointName() string
GetMembersClientURLs(ctx context.Context) ([]string, error)
RemoveSelf(ctx context.Context) error
Snapshot(ctx context.Context, config *config.Control) error
}
func RegisterDriver(d Driver) {