149 lines
4.4 KiB
Go
149 lines
4.4 KiB
Go
/**
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package cmd
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import (
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"fmt"
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"strconv"
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"github.com/spf13/cobra"
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)
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func init() {
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rootCmd.AddCommand(forceCmd)
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// Sub-commands
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forceCmd.AddCommand(forceSnapshotCmd)
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forceCmd.AddCommand(forceBackupCmd)
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// Recon sub-commands
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forceCmd.AddCommand(reconCmd)
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reconCmd.AddCommand(forceImplicitReconCmd)
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reconCmd.AddCommand(forceExplicitReconCmd)
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}
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var forceCmd = &cobra.Command{
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Use: "force",
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Short: "Force the scheduler to do a snapshot, a backup, or a task reconciliation.",
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}
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var forceSnapshotCmd = &cobra.Command{
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Use: "snapshot",
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Short: "Force the leading scheduler to perform a Snapshot.",
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Long: `Takes a Snapshot of the in memory state of the Apache Aurora cluster and
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writes it to the Mesos replicated log. This should NOT be confused with a backup.`,
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Run: snapshot,
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}
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func snapshot(cmd *cobra.Command, args []string) {
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fmt.Println("Forcing scheduler to write snapshot to Mesos replicated log")
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err := client.Snapshot()
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if err != nil {
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log.Fatalf("error: %+v\n", err)
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} else {
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log.Println("Snapshot started successfully")
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}
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}
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var forceBackupCmd = &cobra.Command{
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Use: "backup",
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Short: "Force the leading scheduler to perform a Backup.",
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Long: `Force the Aurora Scheduler to write a backup of the latest snapshot to the filesystem
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of the leading scheduler.`,
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Run: backup,
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}
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func backup(cmd *cobra.Command, args []string) {
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fmt.Println("Forcing scheduler to write a Backup of latest Snapshot to file system")
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err := client.PerformBackup()
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if err != nil {
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log.Fatalf("error: %+v\n", err)
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} else {
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log.Println("Backup started successfully")
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}
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}
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var reconCmd = &cobra.Command{
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Use: "recon",
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Short: "Force the leading scheduler to perform a reconciliation.",
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Long: `Force the Aurora Scheduler to perform a task reconciliation.
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Explicit Recon:
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Aurora will send a list of non-terminal task IDs and the master responds
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with the latest state for each task, if possible.
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Implicit Recon:
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Aurora will send an empty list of tasks and the master responds with the latest
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state for all currently known non-terminal tasks.
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`,
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}
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var forceExplicitReconCmd = &cobra.Command{
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Use: "explicit [batch_size]",
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Short: "Force the leading scheduler to perform an explicit recon.",
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Long: `Aurora will send a list of non-terminal task IDs and the master
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responds with the latest state for each task, if possible.
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`,
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Run: explicitRecon,
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Args: cobra.MaximumNArgs(1),
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}
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func explicitRecon(cmd *cobra.Command, args []string) {
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var batchSize *int32
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log.Println("Forcing scheduler to perform an explicit reconciliation with Mesos")
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switch len(args) {
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case 0:
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log.Infoln("Using default batch size for explicit recon.")
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case 1:
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log.Infof("Using %v as batch size for explicit recon.\n", args[0])
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// Get batch size from args and convert it to the right format
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batchInt, err := strconv.Atoi(args[0])
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if err != nil {
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log.Fatalf("error: %+v\n", err)
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}
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batchInt32 := int32(batchInt)
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batchSize = &batchInt32
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default:
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log.Fatalln("Provide 0 arguments to use default batch size or one argument to use a custom batch size.")
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}
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err := client.ForceExplicitTaskReconciliation(batchSize)
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if err != nil {
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log.Fatalf("error: %+v\n", err.Error())
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} else {
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fmt.Println("Explicit reconciliation started successfully")
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}
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}
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var forceImplicitReconCmd = &cobra.Command{
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Use: "implicit",
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Short: "Force the leading scheduler to perform an implicit recon.",
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Long: `Forces leading scheduler to ask Mesos Master for a list of the latest state for
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all currently known non-terminal tasks being run by Aurora.`,
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Run: implicitRecon,
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}
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func implicitRecon(cmd *cobra.Command, args []string) {
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log.Println("Forcing scheduler to perform an implicit reconciliation with Mesos")
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err := client.ForceImplicitTaskReconciliation()
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if err != nil {
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log.Fatalf("error: %+v\n", err)
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} else {
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fmt.Println("Implicit reconciliation started successfully")
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}
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}
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