Applying Multiple Redis Firewall Rules Failing

[ghost]

This issue was originally opened by @paulmchenry as hashicorp/terraform#20197. It was migrated here as a result of the provider split. The original body of the issue is below.

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Terraform Version

• Terraform v0.11.11
• provider.azurerm v1.21.0

Terraform Configuration Files

resource "azurerm_redis_cache" "redis" {
  name                = "redis"
  location            = "${azurerm_resource_group.compute-group.location}"
  resource_group_name = "${azurerm_resource_group.compute-group.name}"
  capacity            = 0
  family              = "C"
  sku_name            = "Basic"
  enable_non_ssl_port = false

  redis_configuration {}
}

resource "azurerm_redis_firewall_rule" "redis-fwr1" {
  name                = "Office1"
  redis_cache_name    = "${azurerm_redis_cache.redis.name}"
  resource_group_name = "${azurerm_resource_group.compute-group.name}"
  start_ip            = "${var.office_ip1}"
  end_ip              = "${var.office_ip1}"
}

resource "azurerm_redis_firewall_rule" "redis-fwr2" {
  name                = "Office2"
  redis_cache_name    = "${azurerm_redis_cache.redis.name}"
  resource_group_name = "${azurerm_resource_group.compute-group.name}"
  start_ip            = "${var.office_ip2}"
  end_ip              = "${var.office_ip2}"
}

resource "azurerm_redis_firewall_rule" "redis-fwr3" {
  name                = "APICloudService"
  redis_cache_name    = "${azurerm_redis_cache.redis.name}"
  resource_group_name = "${azurerm_resource_group.compute-group.name}"
  start_ip            = "${var.api_cloud_service_ip}"
  end_ip              = "${var.api_cloud_service_ip}"
}

Debug Output

Crash Output

Expected Behavior

Firewall rules are applied successfully

Actual Behavior

1 of 3 firewall rules were applied and an error returned for the other 2. Running terraform apply a second time resulted in the other 2 firewall rules being applied successfully.

Error message when running the first apply:

2 error(s) occurred:

* module.devrg.azurerm_redis_firewall_rule.redis-fwr1: 1 error(s) occurred:

* azurerm_redis_firewall_rule.redis-fwr1: redis.FirewallRulesClient#Get: Failure responding to request: StatusCode=404 -- Original Error: autorest/azure: Service returned an error. Status=404 Code="ResourceNotFound" Message="A requested resource could not be found. It may already have been deleted.\r\nRequestID=a9fa0ea4-cb49-4af0-9009-779ebb720290"
* module.devrg.azurerm_redis_firewall_rule.redis-fwr3: 1 error(s) occurred:

* azurerm_redis_firewall_rule.redis-fwr3: redis.FirewallRulesClient#Get: Failure responding to request: StatusCode=404 -- Original Error: autorest/azure: Service returned an error. Status=404 Code="ResourceNotFound" Message="A requested resource could not be found. It may already have been deleted.\r\nRequestID=7b49ccd8-e78c-43a8-8117-b499a72cdef0"

Steps to Reproduce

1. Add multiple firewall rules to a redis cache definition within terraform and apply.
   This may not happen everytime, but I've reproduced it several times when trying to apply 3 firewal rules.

Additional Context

References

[ghost]

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