Opentofu Crash

Mar 13, 2025 by ADMIN 15 views

Introduction

OpenTofu is a powerful tool for managing and applying infrastructure configurations. However, like any complex system, it can sometimes crash, leaving users with a frustrating experience. In this article, we will delve into the details of an Opentofu crash, analyze the error messages, and provide a step-by-step guide to reproduce the issue.

Community Note

If you are experiencing an Opentofu crash, please make sure to upvote this issue and describe how it affects you in detail in the comments to show your support. This will help the OpenTofu team prioritize the issue and provide a timely solution.

OpenTofu Version

The OpenTofu version used in this analysis is 1.9.0.

OpenTofu Configuration Files

The OpenTofu configuration files used in this analysis are as follows:

resource "kubernetes_namespace" "kafka_dscc" {
  count = local.DSCC_enabled ? 1 : 0
  metadata {
    name = "kafka-dscc"
  }
}

module "kafka-cluster_dscc" {
  count = local.DSCC_enabled ? 1 : 0
  # https://github.com/hpe-sre/ccp-add-on-kafka-operator/tree/main/kafka-cluster/resources
  source = "git::https://github.com/hpe-sre/ccp-add-on-kafka-operator//kafka-cluster/resources?ref=main"

  kafka_namespace               = kubernetes_namespace.kafka_dscc[0].metadata[0].name
  storage_class                 = data.kubernetes_storage_class.single_storage_class.metadata[0].name
  kafka_resources_limits_cpu    = "4"
  kafka_resources_limits_memory = "4Gi"


  offsets_topic_replication_factor         = local.node_count
  transaction_state_log_replication_factor = local.node_count
  transaction_state_log_min_isr            = local.node_count
  default_replication_factor               = local.node_count
  min_insync_replicas                      = local.node_count
  kafka_replica                            = local.node_count
  zookeeper_replica                        = local.node_count
  num_partitions                           = local.num_partitions
  storage_request                          = "100Gi"
  kafka_log_roll_duration                  = 86400000

  depends_on = [
    module.kafka-operator
  ]
}

Debug Output

The debug output from the Opentofu crash is as follows:

[2025-03-13 18:24:00] [base] [3-ccp] !!!!!!!!!!!!!!!!!!!!!!!!!!! OPENTOFU CRASH !!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2025-03-13 18:24:00] [base] [3-ccp]
[2025-03-13 18:24:00] [base] [3-ccp] OpenTofu crashed! This is always indicative of a bug within OpenTofu.
[2025-03-13 18:24:00] [base] [3-ccp] Please report the crash with OpenTofu[1] so that we can fix this.
[2025-03-13 18:24:00] [base] [3-ccp]
[2025-03-13 18:24:00] [base] [3-ccp] When reporting bugs, please include your OpenTofu version, the stack trace
[2025-03-13 18:24:00] [base] [3-ccp] shown below, and any additional information which may help replicate the issue.
[2025-03-13 18:24:00] [base] [3-ccp]
[2025-03-13 18:24:00] [base] [3-ccp] [1]: https://github.com/opentofu/opentofu/issues
[2025-03-13 18:24:00] [base] [3-ccp]
[2025-03-13 18:24:00] [base] [3-ccp] !!!!!!!!!!!!!!!!!!!!!!!!!!! OPENTOFU CRASH !!!!!!!!!!!!!!!!!!!!!!!!!!!!
[2025-03-13 18:24:00] [base] [3-ccp]
[2025-03-13 18:24:00] [base] [3-ccp] no expansion has been registered for module.kafka-cluster_dscc
[2025-03-13 18:24:00] [base] [3-ccp] goroutine 20506 [running]:
[2025-03-13 18:24:00] [base] [3-ccp] runtime/debug.Stack()
[2025-03-13 18:24:00] [base] [3-ccp]    runtime/debug/stack.go:24 +0x5e
[2025-03-13 18:24:00] [base] [3-ccp] runtime/debug.PrintStack()
[2025-03-13 18:24:00] [base] [3-ccp]    runtime/debug/stack.go:16 +0x13
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/logging.panicHandler({0x2d0da00, 0xc0059fa060}, {0xc001dcc000, 0x4ed, 0x800})
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/logging/panic.go:96 +0xe5
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/tofu.(*Graph).walk.PanicHandlerWithTraceFn.func2()
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/logging/panic.go:82 +0x90
[2025-03-13 18:24:00] [base] [3-ccp] panic({0x2d0da00?, 0xc0059fa060?})
[2025-03-13 18:24:00] [base] [3-ccp]    runtime/panic.go:770 +0x132
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/instances.(*expanderModule).moduleInstances(0xc00e30bc20, {0xc0010031d0, 0x1, 0x1}, {0xc0034f58c0, 0x0, 0x4}, 0x0)
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/instances/expander.go:372 +0x2b4
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/instances.(*Expander).expandModule(0x2?, {0xc0010031d0?, 0x2?, 0xc000da8108?}, 0x80?)
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/instances/expander.go:128 +0x130
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/instances.(*Expander).ExpandModule(...)
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/instances/expander.go:107
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/tofu.(*nodeExpandCheck).DynamicExpand(0xc001439700, {0x3bfd058?, 0xc003530900?})
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/tofu/node_check.go:86 +0x5d
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/tofu.(*Graph).walk.func1({0x2f8fb80, 0xc001439700})
[2025-03-13 18:24:00] [base] [3-ccp]    github.com/opentofu/opentofu/internal/tofu/graph.go:95 +0x618
[2025-03-13 18:24:00] [base] [3-ccp] github.com/opentofu/opentofu/internal/dag.(*Walker).walkVertex(0xc000a0a4e0, {0x2f8fb80, 0xc001439<br/>
**Opentofu Crash: A Comprehensive Q&A**
=====================================

**Q: What is an Opentofu crash?**
------------------------------

A: An Opentofu crash is an unexpected termination of the Opentofu application, resulting in a loss of data and functionality.

**Q: What are the common causes of an Opentofu crash?**
------------------------------------------------

A: The common causes of an Opentofu crash include:

*   **Insufficient resources**: Opentofu may crash if it does not have sufficient resources, such as memory or CPU, to perform its tasks.
*   **Configuration errors**: Opentofu may crash if its configuration files contain errors or inconsistencies.
*   **Dependency issues**: Opentofu may crash if it has dependencies that are not properly installed or configured.
*   **Code bugs**: Opentofu may crash if it contains code bugs or defects.

**Q: How can I identify the cause of an Opentofu crash?**
---------------------------------------------------

A: To identify the cause of an Opentofu crash, you can:

*   **Check the error messages**: The error messages provided by Opentofu can help you identify the cause of the crash.
*   **Review the logs**: The logs generated by Opentofu can provide valuable information about the crash.
*   **Use debugging tools**: Debugging tools, such as debuggers or profilers, can help you identify the cause of the crash.
*   **Consult the documentation**: The Opentofu documentation can provide information about common causes of crashes and how to troubleshoot them.

**Q: How can I prevent an Opentofu crash?**
-----------------------------------------

A: To prevent an Opentofu crash, you can:

*   **Regularly update Opentofu**: Regularly updating Opentofu can help ensure that you have the latest bug fixes and security patches.
*   **Monitor Opentofu performance**: Monitoring Opentofu performance can help you identify potential issues before they cause a crash.
*   **Use robust configuration files**: Using robust configuration files can help prevent configuration errors that can cause a crash.
*   **Test Opentofu thoroughly**: Thoroughly testing Opentofu can help identify potential issues before they cause a crash.

**Q: What should I do if I experience an Opentofu crash?**
---------------------------------------------------

A: If you experience an Opentofu crash, you should:

*   **Save any unsaved work**: Saving any unsaved work can help prevent data loss.
*   **Report the crash**: Reporting the crash to the Opentofu team can help them identify and fix the issue.
*   **Provide detailed information**: Providing detailed information about the crash, including error messages and logs, can help the Opentofu team troubleshoot the issue.
*   **Restart Opentofu**: Restarting Opentofu can help resolve the issue and prevent further crashes.

**Q: How can I get help if I experience an Opentofu crash?**
---------------------------------------------------

A: If you experience an Opentofu crash, you can get help by:

*   **Visiting the Opentofu website**: The Opentofu website provides information about common issues and how to troubleshoot them.
*   **Checking the Opentofu documentation**: The Opentofu documentation provides information about common causes of crashes and how to troubleshoot them.
*   **Contacting the Opentofu team**: The Opentofu team can provide support and help troubleshoot the issue.
*   **Joining the Opentofu community**: The Opentofu community can provide support and help troubleshoot the issue.