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Move restart_node and start_db behind dispatcher abstraction (vertica…
…#428) This is a continuation of building out the dispatcher interface. The dispatcher interface will be used to switch between admintools and vcluster library. This adds the final two calls: RestartNode and StartDB.
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spilchen
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Jun 26, 2023
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,57 @@ | ||
| /* | ||
| (c) Copyright [2021-2023] Open Text. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| You may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package restartnode | ||
|
|
||
| import ( | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ) | ||
|
|
||
| // Parms holds all of the option for a revive DB invocation. | ||
| type Parms struct { | ||
| InitiatorName types.NamespacedName | ||
| InitiatorIP string | ||
| HostVNodes []string | ||
| HostIPs []string | ||
| } | ||
|
|
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| type Option func(*Parms) | ||
|
|
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| // Make will fill in the Parms based on the options chosen | ||
| func (s *Parms) Make(opts ...Option) { | ||
| for _, opt := range opts { | ||
| opt(s) | ||
| } | ||
| } | ||
|
|
||
| func WithInitiator(nm types.NamespacedName, ip string) Option { | ||
| return func(s *Parms) { | ||
| s.InitiatorName = nm | ||
| s.InitiatorIP = ip | ||
| } | ||
| } | ||
|
|
||
| func WithHost(vnode, ip string) Option { | ||
| return func(s *Parms) { | ||
| if s.HostVNodes == nil { | ||
| s.HostVNodes = make([]string, 0) | ||
| } | ||
| if s.HostIPs == nil { | ||
| s.HostIPs = make([]string, 0) | ||
| } | ||
| s.HostVNodes = append(s.HostVNodes, vnode) | ||
| s.HostIPs = append(s.HostIPs, ip) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,52 @@ | ||
| /* | ||
| (c) Copyright [2021-2023] Open Text. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| You may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package startdb | ||
|
|
||
| import ( | ||
| "k8s.io/apimachinery/pkg/types" | ||
| ) | ||
|
|
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| // Parms holds all of the option for a revive DB invocation. | ||
| type Parms struct { | ||
| InitiatorName types.NamespacedName | ||
| InitiatorIP string | ||
| Hosts []string | ||
| } | ||
|
|
||
| type Option func(*Parms) | ||
|
|
||
| // Make will fill in the Parms based on the options chosen | ||
| func (s *Parms) Make(opts ...Option) { | ||
| for _, opt := range opts { | ||
| opt(s) | ||
| } | ||
| } | ||
|
|
||
| func WithInitiator(nm types.NamespacedName, ip string) Option { | ||
| return func(s *Parms) { | ||
| s.InitiatorName = nm | ||
| s.InitiatorIP = ip | ||
| } | ||
| } | ||
|
|
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| func WithHost(hostName string) Option { | ||
| return func(s *Parms) { | ||
| if s.Hosts == nil { | ||
| s.Hosts = make([]string, 0) | ||
| } | ||
| s.Hosts = append(s.Hosts, hostName) | ||
| } | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| /* | ||
| (c) Copyright [2021-2023] Open Text. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| You may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
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| package vadmin | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "strings" | ||
|
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| "github.com/vertica/vertica-kubernetes/pkg/events" | ||
| "github.com/vertica/vertica-kubernetes/pkg/vadmin/opts/restartnode" | ||
| ctrl "sigs.k8s.io/controller-runtime" | ||
| ) | ||
|
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| // RestartNode will restart a subset of nodes. Use this when vertica has not | ||
| // lost cluster quorum. The IP given for each vnode may not match the current IP | ||
| // in the vertica catalogs. | ||
| func (a Admintools) RestartNode(ctx context.Context, opts ...restartnode.Option) (ctrl.Result, error) { | ||
| s := restartnode.Parms{} | ||
| s.Make(opts...) | ||
| cmd := a.genRestartNodeCmd(&s) | ||
| stdout, err := a.execAdmintools(ctx, s.InitiatorName, cmd...) | ||
| if err != nil { | ||
| return a.logFailure("restart_node", events.MgmtFailed, stdout, err) | ||
| } | ||
| return ctrl.Result{}, nil | ||
| } | ||
|
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| // genRestartNodeCmd returns the command to run to restart a pod | ||
| func (a Admintools) genRestartNodeCmd(s *restartnode.Parms) []string { | ||
| cmd := []string{ | ||
| "-t", "restart_node", | ||
| "--database=" + a.VDB.Spec.DBName, | ||
| "--hosts=" + strings.Join(s.HostVNodes, ","), | ||
| "--new-host-ips=" + strings.Join(s.HostIPs, ","), | ||
| "--noprompt", | ||
| } | ||
| if a.VDB.Spec.RestartTimeout != 0 { | ||
| cmd = append(cmd, fmt.Sprintf("--timeout=%d", a.VDB.Spec.RestartTimeout)) | ||
| } | ||
| return cmd | ||
| } |
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