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logs.go
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logs.go
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/*
* Copyright (c) 2018 WSO2 Inc. (http:www.wso2.org) All Rights Reserved.
*
* WSO2 Inc. licenses this file to you 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 main
import (
"fmt"
"regexp"
"github.com/spf13/cobra"
"github.com/cellery-io/sdk/components/cli/pkg/commands"
"github.com/cellery-io/sdk/components/cli/pkg/constants"
)
func newLogsCommand() *cobra.Command {
var component string
cmd := &cobra.Command{
Use: "logs <cell-name>",
Short: "Displays logs for either the cell instance, or a component of a running cell instance.",
Args: func(cmd *cobra.Command, args []string) error {
err := cobra.ExactArgs(1)(cmd, args)
if err != nil {
return err
}
isCellValid, err := regexp.MatchString(fmt.Sprintf("^%s$", constants.CELLERY_ID_PATTERN), args[0])
if err != nil || !isCellValid {
return fmt.Errorf("expects a valid cell name, received %s", args[0])
}
if component != "" {
isComponentValid, err := regexp.MatchString(fmt.Sprintf("^%s$", constants.CELLERY_ID_PATTERN), component)
if err != nil || !isComponentValid {
return fmt.Errorf("expects a valid component name, received %s", args[0])
}
}
return nil
},
Run: func(cmd *cobra.Command, args []string) {
commands.RunLogs(args[0], component)
},
Example: " cellery logs employee\n" +
" cellery logs employee -c salary",
}
cmd.Flags().StringVarP(&component, "component", "c", "", "component of the cell")
return cmd
}