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| author | Chad Smith <chad.smith@canonical.com> | 2020-11-02 07:20:30 -0700 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2020-11-02 09:20:30 -0500 |
| commit | 8642e8bce3530d2deb6b02895c08edd291eea48f (patch) | |
| tree | db5ceddf8603ba530206c18ba695388bb1825d1f /doc/rtd/topics | |
| parent | f8c84aeead77b7e508644d94889ee701f20e8d31 (diff) | |
| download | vyos-cloud-init-8642e8bce3530d2deb6b02895c08edd291eea48f.tar.gz vyos-cloud-init-8642e8bce3530d2deb6b02895c08edd291eea48f.zip | |
doc: add example query commands to debug Jinja templates (#645)
Diffstat (limited to 'doc/rtd/topics')
| -rw-r--r-- | doc/rtd/topics/instancedata.rst | 16 |
1 files changed, 16 insertions, 0 deletions
diff --git a/doc/rtd/topics/instancedata.rst b/doc/rtd/topics/instancedata.rst index 255245a4..1850982c 100644 --- a/doc/rtd/topics/instancedata.rst +++ b/doc/rtd/topics/instancedata.rst @@ -592,6 +592,22 @@ see only redacted values. % cloud-init query --format 'cloud: {{ v1.cloud_name }} myregion: {{ % v1.region }}' + # Locally test that your template userdata provided to the vm was rendered as + # intended. + % cloud-init query --format "$(sudo cloud-init query userdata)" + + # The --format command renders jinja templates, this can also be used + # to develop and test jinja template constructs + % cat > test-templating.yaml <<EOF + {% for val in ds.meta_data.keys() %} + - {{ val }} + {% endfor %} + EOF + % cloud-init query --format="$( cat test-templating.yaml )" + - instance_id + - dsmode + - local_hostname + .. note:: To save time designing a user-data template for a specific cloud's instance-data.json, use the 'render' cloud-init command on an |