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Signed-off-by: Ondrej Fabry <ofabry@cisco.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,138 @@ | ||
| // Copyright (c) 2019 Cisco and/or its affiliates. | ||
| // | ||
| // 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 commands | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "encoding/json" | ||
| "fmt" | ||
| "net/url" | ||
| "os" | ||
| "strings" | ||
| "text/tabwriter" | ||
|
|
||
| "github.com/spf13/cobra" | ||
|
|
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| "github.com/ligato/vpp-agent/pkg/models" | ||
| "github.com/ligato/vpp-agent/plugins/kvscheduler/api" | ||
| ) | ||
|
|
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| func NewStatusCommand(cli *AgentCli) *cobra.Command { | ||
| var opts StatusOptions | ||
|
|
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| cmd := &cobra.Command{ | ||
| Use: "status", | ||
| Short: "Retrieve agent status", | ||
| Args: cobra.RangeArgs(0, 1), | ||
| Run: func(cmd *cobra.Command, args []string) { | ||
| opts.Models = args | ||
| runStatus(cli, opts) | ||
| }, | ||
| DisableFlagsInUseLine: true, | ||
| } | ||
| return cmd | ||
| } | ||
|
|
||
| type StatusOptions struct { | ||
| Models []string | ||
| } | ||
|
|
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| func runStatus(cli *AgentCli, opts StatusOptions) { | ||
| var model string | ||
| if len(opts.Models) > 0 { | ||
| model = opts.Models[0] | ||
| } | ||
|
|
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| var modelKeyPrefix string | ||
| for _, m := range cli.AllModels() { | ||
| if (m.Alias != "" && model == m.Alias) || model == m.Name { | ||
| modelKeyPrefix = m.KeyPrefix | ||
| break | ||
| } | ||
| } | ||
|
|
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| status, err := statusKeyPrefix(cli, modelKeyPrefix) | ||
| if err != nil { | ||
| ExitWithError(err) | ||
| } | ||
|
|
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| printStatusTable(status) | ||
| } | ||
|
|
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| // printStatusTable prints status data using table format | ||
| func printStatusTable(status []*api.BaseValueStatus) { | ||
| var buf bytes.Buffer | ||
| w := tabwriter.NewWriter(&buf, 10, 0, 3, ' ', 0) | ||
| fmt.Fprintf(w, "MODEL\tNAME\tSTATE\tDETAILS\tLAST OP\tERROR\t\n") | ||
|
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| var printVal = func(val *api.ValueStatus) { | ||
| var ( | ||
| model string | ||
| name string | ||
| ) | ||
|
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| m, err := models.GetModelForKey(val.Key) | ||
| if err != nil { | ||
| name = val.Key | ||
| } else { | ||
| model = fmt.Sprintf("%s.%s", m.Module, m.Type) | ||
| name = m.StripKeyPrefix(val.Key) | ||
| } | ||
|
|
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| var lastOp string | ||
| if val.LastOperation != api.TxnOperation_UNDEFINED { | ||
| lastOp = val.LastOperation.String() | ||
| } | ||
| state := val.State.String() | ||
| if val.State == api.ValueState_OBTAINED { | ||
| state = strings.ToLower(state) | ||
| } | ||
|
|
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| var details string | ||
| if len(val.Details) > 0 { | ||
| details = strings.Join(val.Details, ", ") | ||
| } | ||
|
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| fmt.Fprintf(w, "%s\t%s\t%s\t%s\t%s\t%s\t\n", model, name, state, details, lastOp, val.Error) | ||
| } | ||
|
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| for _, d := range status { | ||
| printVal(d.Value) | ||
| for _, v := range d.DerivedValues { | ||
| printVal(v) | ||
| } | ||
| } | ||
| if err := w.Flush(); err != nil { | ||
| return | ||
| } | ||
| fmt.Fprint(os.Stdout, buf.String()) | ||
| } | ||
|
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| func statusKeyPrefix(cli *AgentCli, keyPrefix string) ([]*api.BaseValueStatus, error) { | ||
| q := fmt.Sprintf(`/scheduler/status?key-prefix=%s`, url.QueryEscape(keyPrefix)) | ||
| resp, err := cli.GET(q) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| Debugf("status resp: %s\n", resp) | ||
|
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| var status []*api.BaseValueStatus | ||
| if err := json.Unmarshal(resp, &status); err != nil { | ||
| return nil, fmt.Errorf("decoding reply failed: %v", err) | ||
| } | ||
|
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| return status, nil | ||
| } |