Details
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Bug
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Status: Resolved
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Normal
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Resolution: Fixed
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PUP 6.26.0, PUP 7.14.0
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None
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Phoenix
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2
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Phoenix 2022-03-02, Phoenix 2022-03-16
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Needs Assessment
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49053
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1
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Bug Fix
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Needs Assessment
Description
A regression introduced in PUP-7479 causes "puppet lookup --environment <env> <key>" to no longer set node parameters as topscope variables. If hiera.yaml is configured to interpolate based on topscope variables, such as "nodes/%{fqdn}.yaml", then the variable will be interpolated as an empty string.
Given a basic setup:
# tree /etc/puppetlabs/code/environments/
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/etc/puppetlabs/code/environments/
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├── production
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└── test
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├── data
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│  ├── common.yaml
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│  └── iron-judgement.yaml
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└── hiera.yaml
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3 directories, 3 files
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# cat /etc/puppetlabs/code/environments/test/hiera.yaml
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---
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version: 5
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hierarchy:
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- name: "node"
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paths:
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- "%{hostname}.yaml"
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- name: "common"
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paths:
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- "common.yaml"
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# cat /etc/puppetlabs/code/environments/test/data/common.yaml
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---
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foo: defined in common
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# cat /etc/puppetlabs/code/environments/test/data/iron-judgement.yaml
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--- {}
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Then a warning is generated trying to resolve the `hostname` variable:
# bundle exec puppet lookup -E test foo --explain
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Warning: Undefined variable 'hostname';
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(file & line not available)
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Searching for "lookup_options"
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Global Data Provider (hiera configuration version 5)
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No such key: "lookup_options"
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Environment Data Provider (hiera configuration version 5)
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Using configuration "/etc/puppetlabs/code/environments/test/hiera.yaml"
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Merge strategy hash
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Hierarchy entry "node"
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Path "/etc/puppetlabs/code/environments/test/data/.yaml"
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Original path: "%{hostname}.yaml"
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Path not found
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Hierarchy entry "common"
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Path "/etc/puppetlabs/code/environments/test/data/common.yaml"
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Original path: "common.yaml"
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No such key: "lookup_options"
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Note the path "/etc/puppetlabs/code/environments/test/data/.yaml"
The issue does not occur when an environment is omitted from the command line or when hiera interpolation uses facts such as "nodes/%{facts.hostname}.yaml".