forked from awslabs/fargatecli
/
task_logs.go
70 lines (56 loc) · 2.58 KB
/
task_logs.go
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package cmd
import (
"fmt"
"github.com/spf13/cobra"
)
var (
flagTaskLogsFilter string
flagTaskLogsEndTime string
flagTaskLogsStartTime string
flagTaskLogsFollow bool
flagTaskLogsTasks []string
)
var taskLogsCmd = &cobra.Command{
Use: "logs <task name>",
Short: "Show logs from tasks",
Long: `Show logs from tasks
Return either a specific segment of task logs or tail logs in real-time using
the --follow option. Logs are prefixed by their log stream name which is in the
format of "fargate/<task-group-name>/<task-id>."
Follow will continue to run and return logs until interrupted by Control-C. If
--follow is passed --end cannot be specified.
Logs can be returned for specific tasks within a task group by passing a task
ID via the --task flag. Pass --task with a task ID multiple times in order to
retrieve logs from multiple specific tasks.
A specific window of logs can be requested by passing --start and --end options
with a time expression. The time expression can be either a duration or a
timestamp:
- Duration (e.g. -1h [one hour ago], -1h10m30s [one hour, ten minutes, and
thirty seconds ago], 2h [two hours from now])
- Timestamp with optional timezone in the format of YYYY-MM-DD HH:MM:SS [TZ];
timezone will default to UTC if omitted (e.g. 2017-12-22 15:10:03 EST)
You can filter logs for specific term by passing a filter expression via the
--filter flag. Pass a single term to search for that term, pass multiple terms
to search for log messages that include all terms.`,
Args: cobra.ExactArgs(1),
Run: func(cmd *cobra.Command, args []string) {
operation := &GetLogsOperation{
LogGroupName: fmt.Sprintf(taskLogGroupFormat, args[0]),
Filter: flagTaskLogsFilter,
Follow: flagTaskLogsFollow,
Namespace: args[0],
}
operation.AddTasks(flagTaskLogsTasks)
operation.AddStartTime(flagTaskLogsStartTime)
operation.AddEndTime(flagTaskLogsEndTime)
GetLogs(operation)
},
}
func init() {
taskCmd.AddCommand(taskLogsCmd)
taskLogsCmd.Flags().BoolVarP(&flagTaskLogsFollow, "follow", "f", false, "Poll logs and continuously print new events")
taskLogsCmd.Flags().StringVar(&flagTaskLogsFilter, "filter", "", "Filter pattern to apply")
taskLogsCmd.Flags().StringVar(&flagTaskLogsStartTime, "start", "", "Earliest time to return logs (e.g. -1h, 2018-01-01 09:36:00 EST")
taskLogsCmd.Flags().StringVar(&flagTaskLogsEndTime, "end", "", "Latest time to return logs (e.g. 3y, 2021-01-20 12:00:00 EST")
taskLogsCmd.Flags().StringSliceVarP(&flagTaskLogsTasks, "task", "t", []string{}, "Show logs from specific task (can be specified multiple times)")
}