Add support to list PER enabled DCs/Zones #542
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| // Copyright 2021 IBM Corp | ||
| // | ||
| // 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 peravailability | ||
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| import ( | ||
| "fmt" | ||
| "sort" | ||
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| "github.com/spf13/cobra" | ||
| "k8s.io/klog/v2" | ||
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| "github.com/ppc64le-cloud/pvsadm/pkg" | ||
| "github.com/ppc64le-cloud/pvsadm/pkg/client" | ||
| ) | ||
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| const powerEdgeRouter = "power-edge-router" | ||
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| var Cmd = &cobra.Command{ | ||
| Use: "per-availability", | ||
| Short: "List regions that support PER", | ||
| Long: "List regions that support Power Edge Router (PER)", | ||
| PreRunE: func(cmd *cobra.Command, args []string) error { | ||
| if pkg.Options.InstanceID == "" && pkg.Options.InstanceName == "" { | ||
| return fmt.Errorf("--instance-id or --instance-name required") | ||
| } | ||
| return nil | ||
| }, | ||
| RunE: func(cmd *cobra.Command, args []string) error { | ||
| var perEnabledRegions = []string{} | ||
| opt := pkg.Options | ||
| c, err := client.NewClientWithEnv(opt.APIKey, opt.Environment, opt.Debug) | ||
| if err != nil { | ||
| klog.Errorf("failed to create a session with IBM cloud: %v", err) | ||
| return err | ||
| } | ||
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| pvmclient, err := client.NewPVMClientWithEnv(c, opt.InstanceID, opt.InstanceName, opt.Environment) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| ret, err := pvmclient.DatacenterClient.GetAll() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| supportsPER := false | ||
| for _, datacenter := range ret.Datacenters { | ||
| if datacenter.Capabilities[powerEdgeRouter] { | ||
| perEnabledRegions = append(perEnabledRegions, *datacenter.Location.Region) | ||
| if pvmclient.Zone == *datacenter.Location.Region { | ||
| supportsPER = true | ||
| } | ||
| } | ||
| } | ||
| if !supportsPER { | ||
| klog.Infof("%s, where the current instance is present does not support PER.", pvmclient.Zone) | ||
| } else { | ||
| klog.Infof("%s, where the current instance is present supports PER.", pvmclient.Zone) | ||
| } | ||
| sort.Strings(perEnabledRegions) | ||
|
There was a problem hiding this comment. Any reason behind the sorting? There was a problem hiding this comment. Just for improved readability, where datacenters of the same region stay grouped. 🙂 |
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| klog.Infoln("The following zones/datacenters have support for PER:", perEnabledRegions, ".", "More information at https://cloud.ibm.com/docs/overview?topic=overview-locations") | ||
| return nil | ||
| }, | ||
| } | ||
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,44 @@ | ||
| // Copyright 2021 IBM Corp | ||
| // | ||
| // 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 datacenter | ||
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| import ( | ||
| "context" | ||
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| "github.com/IBM-Cloud/power-go-client/clients/instance" | ||
| "github.com/IBM-Cloud/power-go-client/ibmpisession" | ||
| "github.com/IBM-Cloud/power-go-client/power/models" | ||
| ) | ||
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| type Client struct { | ||
| client *instance.IBMPIDatacentersClient | ||
| instanceID string | ||
| } | ||
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| func NewClient(sess *ibmpisession.IBMPISession, powerinstanceid string) *Client { | ||
| c := &Client{ | ||
| instanceID: powerinstanceid, | ||
| } | ||
| c.client = instance.NewIBMPIDatacenterClient(context.Background(), sess, powerinstanceid) | ||
| return c | ||
| } | ||
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| func (c *Client) Get(id string) (*models.Datacenter, error) { | ||
| return c.client.Get(id) | ||
| } | ||
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| func (c *Client) GetAll() (*models.Datacenters, error) { | ||
| return c.client.GetAll() | ||
| } |
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Instead of checking here, once
perEnabledRegionsis populated, you can check outside the for loop only once.There was a problem hiding this comment.
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The current design will avoid an additional round of iteration on
perEnabledRegionsas the membership is validated within the same loop. Hope this is ok.There was a problem hiding this comment.
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yes understood, I think the current code looks good to me!