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feat: add ability for users to specify alternative kubeconfig and kubecontext

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This will provide the possibility for users to talk to existing kubernetes clusters, thereby removing one of the biggest reasons for having the old scheduler-kubernetes plugin around.
This commit is contained in:
Jose Diaz-Gonzalez
2024-02-14 03:50:15 -05:00
parent 7d85e213be
commit 72067fcfd2
8 changed files with 159 additions and 40 deletions
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34
plugins/scheduler-k3s/triggers.go
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@@ -414,6 +414,10 @@ func TriggerSchedulerDeploy(scheduler string, appName string, imageTag string) e
return fmt.Errorf("Error creating kubernetes client: %w", err)
}
if err := clientset.Ping(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
cronJobs, err := clientset.ListCronJobs(ctx, ListCronJobsInput{
LabelSelector: fmt.Sprintf("app.kubernetes.io/part-of=%s", appName),
Namespace: namespace,
@@ -573,6 +577,10 @@ func TriggerSchedulerEnter(scheduler string, appName string, processType string,
return fmt.Errorf("Error creating kubernetes client: %w", err)
}
if err := clientset.Ping(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
namespace := getComputedNamespace(appName)
labelSelector := []string{fmt.Sprintf("app.kubernetes.io/part-of=%s", appName)}
processIndex := 1
@@ -664,6 +672,10 @@ func TriggerSchedulerLogs(scheduler string, appName string, processType string,
return fmt.Errorf("Error creating kubernetes client: %w", err)
}
if err := clientset.Ping(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
labelSelector := []string{fmt.Sprintf("app.kubernetes.io/part-of=%s", appName)}
processIndex := 0
if processType != "" {
@@ -926,6 +938,10 @@ func TriggerSchedulerRun(scheduler string, appName string, envCount int, args []
return fmt.Errorf("Error creating kubernetes client: %w", err)
}
if err := clientset.Ping(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
ctx, cancel := context.WithCancel(context.Background())
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt, syscall.SIGHUP,
@@ -1078,6 +1094,10 @@ func TriggerSchedulerRunList(scheduler string, appName string, format string) er
return fmt.Errorf("Error creating kubernetes client: %w", err)
}
if err := clientset.Ping(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
namespace := getComputedNamespace(appName)
cronJobs, err := clientset.ListCronJobs(ctx, ListCronJobsInput{
LabelSelector: fmt.Sprintf("app.kubernetes.io/part-of=%s", appName),
@@ -1139,9 +1159,8 @@ func TriggerSchedulerPostDelete(scheduler string, appName string) error {
return nil
}
if err := isK3sInstalled(); err != nil {
common.LogWarn(fmt.Sprintf("Skipping app deletion: %s", err.Error()))
return nil
if err := isKubernetesAvailable(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
namespace := getComputedNamespace(appName)
@@ -1164,11 +1183,6 @@ func TriggerSchedulerStop(scheduler string, appName string) error {
return nil
}
if err := isK3sInstalled(); err != nil {
common.LogWarn(fmt.Sprintf("Skipping app stop: %s", err.Error()))
return nil
}
ctx, cancel := context.WithCancel(context.Background())
signals := make(chan os.Signal, 1)
signal.Notify(signals, os.Interrupt, syscall.SIGHUP,
@@ -1185,6 +1199,10 @@ func TriggerSchedulerStop(scheduler string, appName string) error {
return fmt.Errorf("Error creating kubernetes client: %w", err)
}
if err := clientset.Ping(); err != nil {
return fmt.Errorf("kubernetes api not available: %w", err)
}
namespace := getComputedNamespace(appName)
deployments, err := clientset.ListDeployments(ctx, ListDeploymentsInput{
Namespace: namespace,