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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,25 @@ | ||
| package topology | ||
|
|
||
| import "github.com/pkg/errors" | ||
|
|
||
| func getGRTopology(m Manager, hostname string) (Topology, error) { | ||
| db, err := m.Replicator(hostname) | ||
| if err != nil { | ||
| return Topology{}, errors.Wrapf(err, "open connection to %s", hostname) | ||
| } | ||
| defer db.Close() | ||
|
|
||
| replicas, err := db.GetGroupReplicationReplicas() | ||
| if err != nil { | ||
| return Topology{}, errors.Wrap(err, "get group-replication replicas") | ||
| } | ||
|
|
||
| primary, err := db.GetGroupReplicationPrimary() | ||
| if err != nil { | ||
| return Topology{}, errors.Wrap(err, "get group-replication primary") | ||
| } | ||
| return Topology{ | ||
| Primary: primary, | ||
| Replicas: replicas, | ||
| }, nil | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,42 @@ | ||
| package topology | ||
|
|
||
| import ( | ||
| "context" | ||
|
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| apiv1alpha1 "github.com/percona/percona-server-mysql-operator/api/v1alpha1" | ||
| "github.com/percona/percona-server-mysql-operator/pkg/mysql" | ||
| "github.com/percona/percona-server-mysql-operator/pkg/replicator" | ||
|
|
||
| "github.com/pkg/errors" | ||
| ) | ||
|
|
||
| type Manager interface { | ||
| Replicator(host string) (replicator.Replicator, error) | ||
| ClusterType() apiv1alpha1.ClusterType | ||
| Get(ctx context.Context) (Topology, error) | ||
| } | ||
|
|
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| type topologyManager struct { | ||
| operatorPass string | ||
| clusterType apiv1alpha1.ClusterType | ||
| } | ||
|
|
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| func NewTopologyManager(clusterType apiv1alpha1.ClusterType, operatorPass string) Manager { | ||
| return &topologyManager{ | ||
| operatorPass: operatorPass, | ||
| clusterType: clusterType, | ||
| } | ||
| } | ||
|
|
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| func (m *topologyManager) Replicator(hostname string) (replicator.Replicator, error) { | ||
| return replicator.NewReplicator(apiv1alpha1.UserOperator, m.operatorPass, hostname, mysql.DefaultAdminPort) | ||
| } | ||
|
|
||
| func (m *topologyManager) ClusterType() apiv1alpha1.ClusterType { | ||
| return m.clusterType | ||
| } | ||
|
|
||
| func (s *topologyManager) Get(ctx context.Context) (Topology, error) { | ||
| // TODO: implement | ||
| return Topology{}, errors.New("not implemented") | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,86 @@ | ||
| package topology | ||
|
|
||
| import ( | ||
| "context" | ||
| "strings" | ||
|
|
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| apiv1alpha1 "github.com/percona/percona-server-mysql-operator/api/v1alpha1" | ||
| "github.com/percona/percona-server-mysql-operator/pkg/mysql" | ||
| "github.com/percona/percona-server-mysql-operator/pkg/replicator" | ||
|
|
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| "github.com/pkg/errors" | ||
|
|
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| corev1 "k8s.io/api/core/v1" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
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| type topologyManagerExec struct { | ||
| operatorPass string | ||
| clusterType apiv1alpha1.ClusterType | ||
| cluster *apiv1alpha1.PerconaServerMySQL | ||
| cl client.Reader | ||
| } | ||
|
|
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| func NewTopologyManagerExec(cluster *apiv1alpha1.PerconaServerMySQL, cl client.Reader, operatorPass string) Manager { | ||
| return &topologyManagerExec{ | ||
| operatorPass: operatorPass, | ||
| clusterType: cluster.Spec.MySQL.ClusterType, | ||
| cluster: cluster, | ||
| cl: cl, | ||
| } | ||
| } | ||
|
|
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| func (m *topologyManagerExec) Replicator(hostname string) (replicator.Replicator, error) { | ||
| if hostname == mysql.ServiceName(m.cluster) { | ||
| return replicator.NewReplicatorExec(mysql.HeadlessService(m.cluster), apiv1alpha1.UserOperator, m.operatorPass, "localhost") | ||
| } | ||
|
|
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| pod, err := getPodByFQDN(context.TODO(), m.cl, hostname) | ||
| if err != nil { | ||
| return nil, errors.Wrap(err, "failed to get pod") | ||
| } | ||
|
|
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| return replicator.NewReplicatorExec(pod, apiv1alpha1.UserOperator, m.operatorPass, "localhost") | ||
| } | ||
|
|
||
| func getPodByFQDN(ctx context.Context, cl client.Reader, fqdn string) (*corev1.Pod, error) { | ||
| fqdnSplit := strings.Split(fqdn, ".") | ||
| if len(fqdnSplit) < 3 { | ||
| return nil, errors.Errorf("invalid FQDN: %s", fqdn) | ||
| } | ||
| podName := fqdnSplit[0] | ||
| namespace := fqdnSplit[2] | ||
| pod := new(corev1.Pod) | ||
| err := cl.Get(ctx, client.ObjectKey{ | ||
| Namespace: namespace, | ||
| Name: podName, | ||
| }, pod) | ||
| if err != nil { | ||
| return nil, errors.Wrapf(err, "failed to get pod %s", fqdn) | ||
| } | ||
| return pod, nil | ||
| } | ||
|
|
||
| func (m *topologyManagerExec) ClusterType() apiv1alpha1.ClusterType { | ||
| return m.clusterType | ||
| } | ||
|
|
||
| func (m *topologyManagerExec) Get(ctx context.Context) (Topology, error) { | ||
| var err error | ||
| var top Topology | ||
| switch m.ClusterType() { | ||
| case apiv1alpha1.ClusterTypeGR: | ||
| top, err = getGRTopology(m, mysql.FQDN(m.cluster, 0)) | ||
| if err != nil { | ||
| return Topology{}, errors.Wrap(err, "get group-replication topology") | ||
| } | ||
| case apiv1alpha1.ClusterTypeAsync: | ||
| top, err = GetAsync(ctx, m, mysql.ServiceName(m.cluster)) | ||
| if err != nil { | ||
| return Topology{}, err | ||
| } | ||
| default: | ||
| return Topology{}, errors.New("unknown cluster type") | ||
| } | ||
| return top, nil | ||
| } |
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