The tilde is one of the ways the null value can be written. Most parsers also accept an empty value for null, and of course null, Null and NULL. These are defined in the first two lines of the regular expressions for the core schema tags in the YAML standard.
The line starting ALREADYEXISTS uses ’ as the closing quote, it should be using ‘. The open quote on the next line (where the error is reported) is seen as the closing quote, and this mix up is causing the error.
Since the already commented issue#35 exists, merge-keys << doesn’t help you. It only merges/inserts referenced keys into a map (see YAML docs merge). Instead you should work with sequences and use anchor & and alias *. So your example should look like this: base_list: &base – 1 – 2 extended: &ext – 3 extended_list: [*base, … Read more
Yaml syntax for multi-line strings is this one: body: | This is a multi-line string. “special” metacharacters may appear here. The extent of this string is indicated by indentation. Notice that the first line must be an space followed by the | character and a new line. Then you must indent the text one level … Read more
Almost everything set in the YAML metadata has only an effect through the pandoc template in use. Pandoc templates may contain variables. For example in your HTML template, you could write: <title>$title$</title> These template variables can be set with the –variable KEY[=VAL] option. However, they are also set from the document metadata, which in turn … Read more
You do not need {{}} in when conditions. What you are searching for is: – fail: msg=”unsupported version” when: version not in acceptable_versions
You cannot have a multiline plain scalar, such as your include:false transitions be the key to a mapping, that is why you get the mapping values not allowed in this context error. Either you forgot that you have to have a space after the value indicator (:), and you meant to do: include: false transitions: … Read more
It’s possible. See. Is there a way to represent a long string that doesnt have any whitespace on multiple lines in a YAML document? Quoted example: “abcdefghi\ jklmnopqr\ stuvwxyz” Single quotes may also work depending on the parsing library so YMMV.
To answer your first question, “How can I pass YAML array to –extra-vars in Ansible playbook.”: you can pass a JSON formatted string to extra-vars. Here is an example play: – hosts: all gather_facts: no tasks: – debug: var: test_list And how to pass the variable test_list to the command ansible-playbook: ansible-playbook \ test.yml \ … Read more