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docs: template signal change_mode not compatible with env 

Only `change_mode = "restart"` will result in the template environment
variables being updated in the task. Clarify the behavior of the unsupported
options.
This commit is contained in:
Tim Gross 2020-11-23 10:02:27 -05:00
parent 6d7648670b
commit b844aeabae
1 changed files with 5 additions and 5 deletions
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10
website/pages/docs/job-specification/template.mdx
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@ -67,11 +67,11 @@ README][ct]. Since Nomad v0.6.0, templates can be read as environment variables.
task drivers, see the [Filesystem internals] documentation.
- `env` `(bool: false)` - Specifies the template should be read back in as
environment variables for the task. ([See below](#environment-variables))
Note that if `noop` mode is used for the `change_mode`, the task will not be
restarted and the environment variables wwon't be changed in the task. If
you set `env = true`, then the `change_mode` should be one of `restart` or
`signal`.
environment variables for the task ([see below](#environment-variables)). To
update the environment on changes, you must set `change_mode` to
`restart`. Setting `env` when the `change_mode` is `signal` will return a
validation error. Setting `env` when the `change_mode` is `noop` is
permitted but will not update the environment variables in the task.
- `left_delimiter` `(string: "{{")` - Specifies the left delimiter to use in the
template. The default is "{{" for some templates, it may be easier to use a