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CiscoDevNet / ydk-gen

Generate model-driven APIs from YANG models
http://ciscodevnet.github.io/ydk-gen/
Apache License 2.0
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ydk.path.DataNode.create_datanode() fails when called on root DataNode #1023

Closed tdesh10 closed 2 years ago

tdesh10 commented 4 years ago

Expected Behavior

When ydk.path.DataNode.create_datanode(path, value=None) is invoked on the root DataNode, it should create and return a DataNode object, provided that the path and value are valid.

Current Behavior

When ydk.path.DataNode.create_datanode(path, value=None) is invoked on the root DataNode with a valid path, it fails with exception: YInvalidArgumentError: Path is invalid: Cisco-IOS-XR-cdp-cfg:cdp/log-adjacency.

Steps to Reproduce

Execute the script below in ydk-py docker container.

Your Script

from ydk.path import Repository, Capability
# import logging
# log = logging.getLogger('ydk')
# log.setLevel(logging.DEBUG)
# handler = logging.StreamHandler()
# log.addHandler(handler)

repo = Repository('/root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang')
root_schema = repo.create_root_schema([])

xpath = "Cisco-IOS-XR-cdp-cfg:cdp"
cdp = root_schema.create_datanode(xpath)

root = cdp.get_root()
root.create_datanode("Cisco-IOS-XR-cdp-cfg:cdp/log-adjacency")

Logs

Creating libyang context in path: /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang
[libyang] Extension plugin "/usr/local/lib/libyang/libyang_ext_test.so" successfully loaded.
[libyang] Extension plugin "/usr/local/lib/libyang/metadata.so" successfully loaded.
[libyang] Extension plugin "/usr/local/lib/libyang/nacm.so" successfully loaded.
[libyang] Reading module "ietf-yang-metadata".
[libyang] Module "ietf-yang-metadata@2016-08-05" successfully parsed as implemented.
[libyang] Reading module "yang".
[libyang] Resolving "yang" unresolved schema nodes and their constraints...
[libyang] All "yang" schema nodes and constraints resolved.
[libyang] Module "yang@2017-02-20" successfully parsed as implemented.
[libyang] Reading module "ietf-inet-types".
[libyang] Resolving derived type "union" failed, it will be attempted later.
[libyang] Resolving derived type "union" failed, it will be attempted later.
[libyang] Resolving derived type "union" failed, it will be attempted later.
[libyang] Resolving derived type "union" failed, it will be attempted later.
[libyang] Resolving "ietf-inet-types" unresolved schema nodes and their constraints...
[libyang] All "ietf-inet-types" schema nodes and constraints resolved.
[libyang] Module "ietf-inet-types@2013-07-15" successfully parsed as implemented.
[libyang] Reading module "ietf-yang-types".
[libyang] Module "ietf-yang-types@2013-07-15" successfully parsed as implemented.
[libyang] Reading module "ietf-datastores".
[libyang] Module "ietf-datastores@2017-08-17" successfully parsed as implemented.
[libyang] Reading module "ietf-yang-library".
[libyang] Module "ietf-yang-library@2017-08-17" successfully parsed as implemented.
Populating new module schema 'ietf-yang-metadata'
Populating new module schema 'yang'
Populating new module schema 'ietf-inet-types'
Populating new module schema 'ietf-yang-types'
Populating new module schema 'ietf-datastores'
Populating new module schema 'ietf-yang-library'
Getting new modules for path 'Cisco-IOS-XR-cdp-cfg:cdp'
Loading module 'Cisco-IOS-XR-cdp-cfg', revision ''
[libyang] Searching for "Cisco-IOS-XR-cdp-cfg" in /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang.
[libyang] Searching for "Cisco-IOS-XR-cdp-cfg" in /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang/ietf@0.1.5-post2.
[libyang] Searching for "Cisco-IOS-XR-cdp-cfg" in /root/ydk-py/pathapi-taran.
[libyang] Loading schema from "/root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang/Cisco-IOS-XR-cdp-cfg.yang" file.
[libyang] Searching for "Cisco-IOS-XR-ifmgr-cfg" in /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang.
[libyang] Searching for "Cisco-IOS-XR-ifmgr-cfg" in /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang/ietf@0.1.5-post2.
[libyang] Searching for "Cisco-IOS-XR-ifmgr-cfg" in /root/ydk-py/pathapi-taran.
[libyang] Loading schema from "/root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang/Cisco-IOS-XR-ifmgr-cfg.yang" file.
[libyang] Searching for "Cisco-IOS-XR-types" in /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang.
[libyang] Searching for "Cisco-IOS-XR-types" in /root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang/ietf@0.1.5-post2.
[libyang] Searching for "Cisco-IOS-XR-types" in /root/ydk-py/pathapi-taran.
[libyang] Loading schema from "/root/ydk-py/cisco-ios-xr/ydk/models/cisco_ios_xr/_yang/Cisco-IOS-XR-types.yang" file.
[libyang] Module "Cisco-IOS-XR-types@2018-06-29" successfully parsed as implemented.
[libyang] Resolving "Cisco-IOS-XR-ifmgr-cfg" unresolved schema nodes and their constraints...
[libyang] All "Cisco-IOS-XR-ifmgr-cfg" schema nodes and constraints resolved.
[libyang] Module "Cisco-IOS-XR-ifmgr-cfg@2017-09-07" successfully parsed as implemented.
[libyang] Module "Cisco-IOS-XR-cdp-cfg@2017-08-16" successfully parsed as implemented.
Added new libyang module 'Cisco-IOS-XR-cdp-cfg'
Populating new module schema 'Cisco-IOS-XR-cdp-cfg'
Populating augmented schema node 'cdp'
Populating new schema node 'cdp'
Looking to populate schemas for 'Cisco-IOS-XR-cdp-cfg:cdp'
Getting new modules for path 'Cisco-IOS-XR-cdp-cfg:cdp'
Loading module 'Cisco-IOS-XR-cdp-cfg', revision ''
The module 'Cisco-IOS-XR-cdp-cfg' schema has already been populated in YDK repository
Creating root data node with path '/Cisco-IOS-XR-cdp-cfg:cdp'
Looking to populate schemas for 'Cisco-IOS-XR-cdp-cfg:cdp/log-adjacency'
Getting new modules for path 'Cisco-IOS-XR-cdp-cfg:cdp/log-adjacency'
Loading module 'Cisco-IOS-XR-cdp-cfg', revision ''
The module 'Cisco-IOS-XR-cdp-cfg' schema has already been populated in YDK repository
Creating root data node with path '/Cisco-IOS-XR-cdp-cfg:cdp'
Data is invalid according to the yang model. Libyang error: Node already exists. Path: '/Cisco-IOS-XR-cdp-cfg:cdp'
Path 'Cisco-IOS-XR-cdp-cfg:cdp/log-adjacency' is invalid
Traceback (most recent call last):
  File "bugtest.py", line 15, in <module>
    root.create_datanode("Cisco-IOS-XR-cdp-cfg:cdp/log-adjacency")

System Information

ydk (0.8.3)
docker run -it ydkdev/ydk-py
ygorelik commented 4 years ago

Duplicate of #1006 Resolved in YDK-0.8.5