{"record":{"id":"9cb39fa1aed0c73c","repo":"kubernetes/kops","slug":"error-running-tasks-v-9cb39f","errorCode":null,"errorMessage":"error running tasks: %v","messagePattern":"error running tasks: (.+?)","errorType":"exception","errorClass":null,"httpStatus":null,"severity":"error","filePath":"upup/pkg/fi/cloudup/apply_cluster.go","lineNumber":861,"sourceCode":"\t\t\treturn nil, fmt.Errorf(\"error finding deletions: %w\", err)\n\t\t}\n\t}\n\n\tcontext, err := fi.NewCloudupContext(ctx, deletionProcessingMode, target, cluster, cloud, keyStore, secretStore, configBase, c.TaskMap)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"error building context: %v\", err)\n\t}\n\n\tvar options fi.RunTasksOptions\n\tif c.RunTasksOptions != nil {\n\t\toptions = *c.RunTasksOptions\n\t} else {\n\t\toptions.InitDefaults()\n\t}\n\n\terr = context.RunTasks(options)\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"error running tasks: %v\", err)\n\t}\n\n\tif !cluster.PublishesDNSRecords() {\n\t\tshouldPrecreateDNS = false\n\t}\n\n\tif shouldPrecreateDNS && clusterLifecycle != fi.LifecycleIgnore {\n\t\tif err := precreateDNS(ctx, cluster, cloud); err != nil {\n\t\t\tklog.Warningf(\"unable to pre-create DNS records - cluster startup may be slower: %v\", err)\n\t\t}\n\t}\n\n\terr = target.Finish(c.TaskMap) // This will finish the apply, and print the changes\n\tif err != nil {\n\t\treturn nil, fmt.Errorf(\"error closing target: %v\", err)\n\t}\n\n\tapplyResults := &ApplyResults{","sourceCodeStart":843,"sourceCodeEnd":879,"githubUrl":"https://github.com/kubernetes/kops/blob/4c8573c808a73d578c5eadc86d410646ea0b0d73/upup/pkg/fi/cloudup/apply_cluster.go#L843-L879","documentation":"Run executes all provision tasks via context.RunTasks; if any task errors during its lifecycle (find/execute/verify), the whole apply is aborted and the error is wrapped as 'error running tasks'. This is the generic failure point of the actual infrastructure reconciliation — the cause is always in the wrapped inner error.","triggerScenarios":"Any task failing during `kops update cluster`: e.g. VPC/subnet creation failure, security group conflicts, instance template validation, DNS zone missing, cloud quota exceeded — from direct, terraform, or dryrun target task execution.","commonSituations":"Cloud resource conflicts (name already taken), quota limits, invalid combinations (e.g. unsupported instance type in a zone), network CIDR overlaps, DNS configuration errors, transient cloud API failures.","solutions":["Look at the wrapped inner error printed after 'error running tasks:' — it names the failing task and cloud API reason","Fix the specific resource problem (rename, quota increase, choose different zone/instance type, fix DNS zone)","Re-run with -v / --v=8 for verbose task-level logging to pinpoint the failing task","For transient API errors, simply re-run the apply — tasks are idempotent and will resume","Use --target=dryrun first to validate the planned changes without touching the cloud"],"exampleFix":"// before: security group name already in use\n// after: remove the stale resource or change the cluster name, then re-run\nkops delete cluster mycluster.example.com --yes   # or clean up the conflicting resource\nkops update cluster mycluster.example.com --yes","handlingStrategy":"try-catch","validationCode":"// preflight a dryrun to surface task errors without mutating the cloud:\nvalidateCmd := &ApplyClusterCmd{...TargetName: \"dryrun\"...}\nif err := validateCmd.Run(ctx); err != nil {\n\treturn fmt.Errorf(\"preflight dryrun failed: %w\", err)\n}","typeGuard":null,"tryCatchPattern":"if err := cmd.Run(ctx); err != nil && strings.Contains(err.Error(), \"error running tasks\") {\n\t// parse the wrapped task error, fix the cloud resource issue,\n\t// then re-run: tasks are idempotent and resume safely\n}","preventionTips":["Run --target=dryrun before real applies","Pre-check quotas, instance types, and DNS zones for your region","Avoid manually-created resources with names kops would conflict with","Re-run applies on transient cloud API failures instead of ad-hoc fixes"],"tags":["apply","cloud-api","tasks"],"backgroundTag":"task-execution-failed","analyzedSha":"4c8573c808a73d578c5eadc86d410646ea0b0d73","analyzedAt":"2026-09-05T04:13:19.212Z","contentChangedAt":"2026-09-05T04:13:19.212Z","schemaVersion":2},"datasetVersion":"2026-09-12T07:17:12.445Z"}