Hi ,
I'm trying to create folders in loop under HDFS file system - From some
reason, I can not run it in loop
The playbook needs to run 2 commands
1. hadoop fs -mkdir folder1
2. hadoop fs -mkdir folder2
*Try #1 - *
- hosts: gw
become: true
become_user: hdfs
vars:
folders:
- /folder1
- /folder2
tasks:
- name: create Main HDFS folders
shell: hadoop fs -mkdir {{ folders }}
with_items: folders
TASK [create Main HDFS folders]
************************************************************************************************************************************************************
failed: [10.201.51.16] (item=folders) => {"ansible_loop_var": "item",
"changed": true, "cmd": "hadoop fs -mkdir [u'/folder1', u'/folder2']",
"delta": "0:00:03.686279", "end": "2020-05-03 11:59:31.393324", "item":
"folders", "msg": "non-zero return code", "rc": 1, "start": "2020-05-03
11:59:27.707045", "stderr": "mkdir: Illegal file pattern: error parsing
regexp: Unclosed character class at pos 2: `[u`\nmkdir: `u/folder2]': No
such file or directory", "stderr_lines": ["mkdir: Illegal file pattern:
error parsing regexp: Unclosed character class at pos 2: `[u`", "mkdir:
`u/folder2]': No such file or directory"], "stdout": "", "stdout_lines": []}
*Try #2*
- hosts: gw
become: true
become_user: hdfs
vars:
folders:
- /folder1
- /folder2
tasks:
- name: create Main HDFS folders
shell: hadoop fs -mkdir {{ item.folders }}
with_items: folders
*
fatal: [10.201.51.16]: FAILED! => {"msg": "The task includes an option with
an undefined variable. The error was:
'ansible.utils.unsafe_proxy.AnsibleUnsafeText object' has no attribute
'folders'\n\nThe error appears to be in '/data/ansible/hdfs/hdfs.yml': line
41, column 6, but may\nbe elsewhere in the file depending on the exact
syntax problem.\n\nThe offending line appears to be:\n\n#\n - name:
create Main HDFS folders\n ^ here\n"}
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