terraform-provider-cloudflare: terraform panic crashes since 2.18 upgrade

Terraform version

v0.13.2

Affected resource(s)

• page rules

Terraform configuration files

resource "cloudflare_page_rule" "static-pages" {
  zone_id    = module.cloudflare_zone.zone_id
  priority   = 5
  status     = "active"
  target     = "*${local.zone_name}/static-pages/*"
  actions {
    cache_level    = "cache_everything"
    edge_cache_ttl = "300"
    cache_key_fields {
      cookie {
        include = ["locale"]
      }
      header {
        check_presence = ["x-hide-fields", "x-ignore-tags", "x-locale"]
      }
      host {}
      user {}
      query_string {}
    }
  }
}

Debug output

Panic output

2021/02/05 16:35:32 [TRACE] dag/walk: vertex "root" is waiting for "module.website_somewebsite (close)"
2021-02-05T16:35:32.709+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: 2021/02/05 16:35:32 [DEBUG] Cloudflare Page Rule read configuration: cloudflare.PageRule{ID:"some-rule-id", Targets:[]cloudflare.PageRuleTarget{cloudflare.PageRuleTarget{Target:"url", Constraint:struc
t { Operator string "json:\"operator\""; Value string "json:\"value\"" }{Operator:"matches", Value:"*somewebsite/static-pages/*"}}}, Actions:[]cloudflare.PageRuleAction{cloudflare.PageRuleAction{ID:"cache_level", Value:"cache_everything"}, cloudflare.PageRuleAction{ID:"edge_cache_ttl", Value:300}, cl
oudflare.PageRuleAction{ID:"cache_key_fields", Value:map[string]interface {}{"cookie":map[string]interface {}{"check_presence":[]interface {}{}, "include":[]interface {}{"locale"}}, "header":map[string]interface {}{"check_presence":[]interface {}{"x-hide-fields", "x-ignore-tags", "x-locale"}, "exclude"
:[]interface {}{}, "include":[]interface {}{}}, "host":map[string]interface {}{"resolved":false}, "query_string":map[string]interface {}{"exclude":[]interface {}{}, "include":"*"}, "user":map[string]interface {}{"device_type":false, "geo":false, "lang":false}}}}, Priority:5, Status:"active", ModifiedOn
:time.Time{wall:0x0, ext:63734805755, loc:(*time.Location)(nil)}, CreatedOn:time.Time{wall:0x0, ext:63711575298, loc:(*time.Location)(nil)}}
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: panic: Invalid data-type
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: goroutine 1443 [running]:
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/cloudflare/terraform-provider-cloudflare/cloudflare.itemExistsInSlice(0x1d224c0, 0xc0006b30a0, 0x1d224c0, 0x20bdb00, 0xc000662bc8)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      github.com/cloudflare/terraform-provider-cloudflare/cloudflare/utils.go:91 +0x219
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/cloudflare/terraform-provider-cloudflare/cloudflare.transformFromCloudflarePageRuleAction(0xc0009ad868, 0xc0005e9530, 0xc0006836b0, 0xe, 0xc000662758, 0x0, 0x0)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      github.com/cloudflare/terraform-provider-cloudflare/cloudflare/resource_cloudflare_page_rule.go:753 +0xc8a
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/cloudflare/terraform-provider-cloudflare/cloudflare.resourceCloudflarePageRuleRead(0xc00034b500, 0x1f2dc40, 0xc0006e4240, 0xc00034b500, 0x0)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      github.com/cloudflare/terraform-provider-cloudflare/cloudflare/resource_cloudflare_page_rule.go:580 +0x805
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/hashicorp/terraform-plugin-sdk/helper/schema.(*Resource).RefreshWithoutUpgrade(0xc0001b87e0, 0xc0002f3ea0, 0x1f2dc40, 0xc0006e4240, 0xc00028d778, 0x0, 0x0)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      github.com/hashicorp/terraform-plugin-sdk@v1.16.0/helper/schema/resource.go:460 +0x129
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/hashicorp/terraform-plugin-sdk/internal/helper/plugin.(*GRPCProviderServer).ReadResource(0xc0001813d8, 0x21001e0, 0xc0007b83f0, 0xc000997ec0, 0xc0001813d8, 0xc0007b83f0, 0xc00001eba0)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      github.com/hashicorp/terraform-plugin-sdk@v1.16.0/internal/helper/plugin/grpc_provider.go:525 +0x3dd
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/hashicorp/terraform-plugin-sdk/internal/tfplugin5._Provider_ReadResource_Handler(0x1eea540, 0xc0001813d8, 0x21001e0, 0xc0007b83f0, 0xc000997e60, 0x0, 0x21001e0, 0xc0007b83f0, 0xc00017b680, 0x43a)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      github.com/hashicorp/terraform-plugin-sdk@v1.16.0/internal/tfplugin5/tfplugin5.pb.go:3269 +0x214
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: google.golang.org/grpc.(*Server).processUnaryRPC(0xc0007cc1c0, 0x210bc00, 0xc000103680, 0xc00092c900, 0xc00039ab70, 0x27f7710, 0x0, 0x0, 0x0)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      google.golang.org/grpc@v1.30.0/server.go:1171 +0x522
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: google.golang.org/grpc.(*Server).handleStream(0xc0007cc1c0, 0x210bc00, 0xc000103680, 0xc00092c900, 0x0)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      google.golang.org/grpc@v1.30.0/server.go:1494 +0xcc5
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: google.golang.org/grpc.(*Server).serveStreams.func1.2(0xc00003c200, 0xc0007cc1c0, 0x210bc00, 0xc000103680, 0xc00092c900)
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      google.golang.org/grpc@v1.30.0/server.go:834 +0xa5
2021-02-05T16:35:32.712+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: created by google.golang.org/grpc.(*Server).serveStreams.func1
2021-02-05T16:35:32.713+0100 [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0:      google.golang.org/grpc@v1.30.0/server.go:832 +0x1fd
2021-02-05T16:35:32.718+0100 [WARN]  plugin.stdio: received EOF, stopping recv loop: err="rpc error: code = Unavailable desc = transport is closing"
2021-02-05T16:35:32.718+0100 [DEBUG] plugin: plugin process exited: path=.terraform/plugins/registry.terraform.io/cloudflare/cloudflare/2.18.0/darwin_amd64/terraform-provider-cloudflare_v2.18.0 pid=25888 error="exit status 2"
2021/02/05 16:35:32 [ERROR] eval: *terraform.EvalRefresh, err: rpc error: code = Unavailable desc = transport is closing
2021/02/05 16:35:32 [ERROR] eval: *terraform.EvalSequence, err: rpc error: code = Unavailable desc = transport is closing

Expected behavior

Terraform evaluates the page rule successfully.

Actual behavior

terraform crashes with following error:

panic: Invalid data-type
2021-02-05T15:20:51.795Z [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: 
2021-02-05T15:20:51.795Z [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: goroutine 1405 [running]:
2021-02-05T15:20:51.795Z [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/cloudflare/terraform-provider-cloudflare/cloudflare.itemExistsInSlice(0x1124940, 0xc000343250, 0x1124940, 0x14bf0c0, 0xc00087cbc8)
2021-02-05T15:20:51.795Z [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: 	github.com/cloudflare/terraform-provider-cloudflare/cloudflare/utils.go:91 +0x219
2021-02-05T15:20:51.795Z [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: github.com/cloudflare/terraform-provider-cloudflare/cloudflare.transformFromCloudflarePageRuleAction(0xc0001f7868, 0xc0007da330, 0xc000038370, 0xe, 0xc00087c758, 0x0, 0x0)
2021-02-05T15:20:51.795Z [DEBUG] plugin.terraform-provider-cloudflare_v2.18.0: 	github.com/cloudflare/terraform-provider-cloudflare/cloudflare/resource_cloudflare_page_rule.go:753 +0xc8a

Steps to reproduce

Important factoids

References

Community note

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