| // Copyright 2017 The LUCI Authors. |
| // |
| // 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 cli |
| |
| import ( |
| "github.com/maruel/subcommands" |
| |
| "go.chromium.org/luci/common/cli" |
| "go.chromium.org/luci/common/errors" |
| "go.chromium.org/luci/common/flag" |
| |
| "go.chromium.org/luci/machine-db/api/crimson/v1" |
| ) |
| |
| // printSwitches prints switch data to stdout in tab-separated columns. |
| func printSwitches(tsv bool, switches ...*crimson.Switch) { |
| if len(switches) > 0 { |
| p := newStdoutPrinter(tsv) |
| defer p.Flush() |
| if !tsv { |
| p.Row("Name", "Ports", "Rack", "Datacenter", "Description", "State") |
| } |
| for _, s := range switches { |
| p.Row(s.Name, s.Ports, s.Rack, s.Datacenter, s.Description, s.State) |
| } |
| } |
| } |
| |
| // GetSwitchesCmd is the command to get switches. |
| type GetSwitchesCmd struct { |
| commandBase |
| req crimson.ListSwitchesRequest |
| } |
| |
| // Run runs the command to get switches. |
| func (c *GetSwitchesCmd) Run(app subcommands.Application, args []string, env subcommands.Env) int { |
| ctx := cli.GetContext(app, c, env) |
| client := getClient(ctx) |
| resp, err := client.ListSwitches(ctx, &c.req) |
| if err != nil { |
| errors.Log(ctx, err) |
| return 1 |
| } |
| printSwitches(c.f.tsv, resp.Switches...) |
| return 0 |
| } |
| |
| // getSwitchesCmd returns a command to get switches. |
| func getSwitchesCmd(params *Parameters) *subcommands.Command { |
| return &subcommands.Command{ |
| UsageLine: "get-switches [-name <name>]... [-rack <rack>]... [-dc <datacenter>]...", |
| ShortDesc: "retrieves switches", |
| LongDesc: "Retrieves switches matching the given names, racks and dcs, or all switches if names, racks, and dcs are omitted.\n\nExample to get all switches:\ncrimson get-switches\nExample to get the switch of rack xx1:\ncrimson get-switches -rack xx1", |
| CommandRun: func() subcommands.CommandRun { |
| cmd := &GetSwitchesCmd{} |
| cmd.Initialize(params) |
| cmd.Flags.Var(flag.StringSlice(&cmd.req.Names), "name", "Name of a switch to filter by. Can be specified multiple times.") |
| cmd.Flags.Var(flag.StringSlice(&cmd.req.Racks), "rack", "Name of a rack to filter by. Can be specified multiple times.") |
| cmd.Flags.Var(flag.StringSlice(&cmd.req.Datacenters), "dc", "Name of a datacenter to filter by. Can be specified multiple times.") |
| return cmd |
| }, |
| } |
| } |