Python AWS CDK解析错误:无法解析具有循环引用的对象树
我有一个堆栈(etl_stack_2.py),用于初始化Partner构造和OrderWorkflow构造。因此,partner和OrderWorkFlow是树中的兄弟。合作伙伴具有OrderWorkFlow使用的作业属性。当我运行Python AWS CDK解析错误:无法解析具有循环引用的对象树,python,amazon-web-services,amazon-cloudformation,aws-glue,aws-cdk,Python,Amazon Web Services,Amazon Cloudformation,Aws Glue,Aws Cdk,我有一个堆栈(etl_stack_2.py),用于初始化Partner构造和OrderWorkflow构造。因此,partner和OrderWorkFlow是树中的兄弟。合作伙伴具有OrderWorkFlow使用的作业属性。当我运行cdk ls时,我得到一个循环参考错误: $ cdk ls jsii.errors.JavaScriptError: Error: Resolution error: Resolution error: Unable to resolve object tree
cdk ls
时,我得到一个循环参考错误:
$ cdk ls
jsii.errors.JavaScriptError:
Error: Resolution error: Resolution error: Unable to resolve object tree with circular reference. Path: /Resources/${Token[data-lake-etl-infra-dev.order_workflow-dev.order_workflow_start_trigger-dev.LogicalID.100]}/Properties/actions/0/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host.
Object creation stack:
at new Intrinsic (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/intrinsic.js:21:44)
at new PostResolveToken (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/util.js:73:9)
at Object.ignoreEmpty (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/util.js:33:12)
at CfnTrigger._toCloudFormation (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/cfn-resource.js:237:44)
at /private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:100:74
at Object.findTokens (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:128:13)
at findAllReferences (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:100:38)
at Object.resolveReferences (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:23:19)
at Object.prepareApp (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/prepare-app.js:34:16)
at Object.synthesize (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/synthesis.js:18:19)
at App.synth (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/stage.js:78:41)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:51
at Kernel._wrapSandboxCode (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8405:20)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:25
at Kernel._ensureSync (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8381:20)
at Kernel.invoke (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7755:26)
at KernelHost.processRequest (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7456:28)
at KernelHost.run (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7394:14)
at Immediate._onImmediate (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7397:37)
at processImmediate (internal/timers.js:456:21).
Object creation stack:
at new Intrinsic (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/intrinsic.js:21:44)
at new PostResolveToken (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/util.js:73:9)
at CfnTrigger._toCloudFormation (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/cfn-resource.js:235:39)
at /private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:100:74
at Object.findTokens (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:128:13)
at findAllReferences (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:100:38)
at Object.resolveReferences (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:23:19)
at Object.prepareApp (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/prepare-app.js:34:16)
at Object.synthesize (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/synthesis.js:18:19)
at App.synth (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/stage.js:78:41)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:51
at Kernel._wrapSandboxCode (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8405:20)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:25
at Kernel._ensureSync (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8381:20)
at Kernel.invoke (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7755:26)
at KernelHost.processRequest (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7456:28)
at KernelHost.run (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7394:14)
at Immediate._onImmediate (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7397:37)
at processImmediate (internal/timers.js:456:21)
at resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:35:15)
at Object.resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:29:33)
at resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:113:43)
at Object.resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:29:33)
at resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:113:43)
at Object.resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:29:33)
at resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:113:43)
at Object.resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:29:33)
at resolve (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:113:43)
at Kernel._wrapSandboxCode (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8408:19)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:25
at Kernel._ensureSync (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8381:20)
at Kernel.invoke (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7755:26)
at KernelHost.processRequest (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7456:28)
at KernelHost.run (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7394:14)
at Immediate._onImmediate (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7397:37)
at processImmediate (internal/timers.js:456:21)
The above exception was the direct cause of the following exception:
Traceback (most recent call last):
File "app.py", line 13, in <module>
app.synth()
File "/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/aws_cdk/core/__init__.py", line 11531, in synth
return jsii.invoke(self, "synth", [options])
File "/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_kernel/__init__.py", line 122, in wrapped
return _recursize_dereference(kernel, fn(kernel, *args, **kwargs))
File "/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_kernel/__init__.py", line 320, in invoke
args=_make_reference_for_native(self, args),
File "/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_kernel/providers/process.py", line 351, in invoke
return self._process.send(request, InvokeResponse)
File "/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_kernel/providers/process.py", line 321, in send
raise JSIIError(resp.error) from JavaScriptError(resp.stack)
jsii.errors.JSIIError: Resolution error: Resolution error: Unable to resolve object tree with circular reference. Path: /Resources/${Token[data-lake-etl-infra-dev.order_workflow-dev.order_workflow_start_trigger-dev.LogicalID.100]}/Properties/actions/0/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host/node/host.
Object creation stack:
at new Intrinsic (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/intrinsic.js:21:44)
at new PostResolveToken (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/util.js:73:9)
at Object.ignoreEmpty (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/util.js:33:12)
at CfnTrigger._toCloudFormation (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/cfn-resource.js:237:44)
at /private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:100:74
at Object.findTokens (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/resolve.js:128:13)
at findAllReferences (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:100:38)
at Object.resolveReferences (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/refs.js:23:19)
at Object.prepareApp (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/prepare-app.js:34:16)
at Object.synthesize (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/private/synthesis.js:18:19)
at App.synth (/private/var/folders/gd/gpl89dgn5f7c8mzqx3dc8hzh0000gr/T/jsii-kernel-hDzf8X/node_modules/@aws-cdk/core/lib/stage.js:78:41)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:51
at Kernel._wrapSandboxCode (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8405:20)
at /Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7756:25
at Kernel._ensureSync (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:8381:20)
at Kernel.invoke (/Users/honarmand/xyz/xyz-data-lake/data-lake-etl-infra/venv/lib/python3.7/site-packages/jsii/_embedded/jsii/jsii-runtime.js:7755:26)
at KernelHost.processRequest (/Users/
etl_堆栈_2.py
from aws_cdk import (
aws_s3 as s3,
core
)
import yaml
from pathlib import Path
import os
from partner import Partner
from workflows.order_workflow import OrderWorkflow
class EtlStack(core.Stack):
def __init__(self, scope: core.Construct, id: str, env: str,**kwargs) -> None:
super().__init__(scope, id=id, **kwargs)
assets_bucket = s3.Bucket.from_bucket_name(self, 'assets_bucket', "bucket_name")
current_dir = os.path.dirname(os.path.abspath(__file__))
scripts_root = str(Path(current_dir, "../..", "scripts").resolve())
job_role = f"role-service-glue-{env}"
partner = Partner(self,
"id-123",
env=env,
assets_bucket=assets_bucket,
scripts_root=scripts_root,
job_role=job_role
)
OrderWorkflow(
scope=self,
id=f"order_workflow-{env}",
env=env,
partner_job=partner.job # this is where I pass the job property to OrderWorkflow
)
order_.py
from aws_cdk import (
aws_glue as glue,
core
)
class OrderWorkflow(core.Construct):
def __init__(self, scope: core.Construct, id: str, *,
env: str,
partner_job: glue.CfnJob,
**kwargs):
super().__init__(scope, id, **kwargs)
order_workflow = glue.CfnWorkflow(
scope=self,
id=f"glue-order_workflow-{env}"
)
start_trigger = glue.CfnTrigger(
scope=self,
id=f"order_workflow_start_trigger-{env}",
actions=[partner_job], # If I pass [] to actions instead it works fine
type="SCHEDULED",
description="this schedules trigger starts the order workflow",
name="Order Workflow start",
schedule="cron(15 * * * ? *)",
workflow_name=order_workflow.name
)
在OrderWorkflow中,我将
[glue.CfnTrigger.ActionProperty(job\u name=partner\u job.ref)]
传递给操作,而不是[partner\u job]
,这样就解决了问题。因此,start_触发器如下所示:
start_trigger = glue.CfnTrigger(
scope=self,
id=f"order_workflow_start_trigger-{env}",
actions=[glue.CfnTrigger.ActionProperty(job_name=partner_job.ref)],
type="SCHEDULED",
description="this schedules trigger starts the order workflow",
name="Order Workflow start",
schedule="cron(15 * * * ? *)",
workflow_name=order_workflow.name
)
如果查看CfnTrigger上的CDK文档,actions属性需要是ActionProperty:
start_trigger = glue.CfnTrigger(
scope=self,
id=f"order_workflow_start_trigger-{env}",
actions=[glue.CfnTrigger.ActionProperty(job_name=partner_job.ref)],
type="SCHEDULED",
description="this schedules trigger starts the order workflow",
name="Order Workflow start",
schedule="cron(15 * * * ? *)",
workflow_name=order_workflow.name
)