Add a new ExtractVariables function to compose/template package
#1249
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Codecov Report
@@ Coverage Diff @@
## master #1249 +/- ##
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+ Coverage 54.23% 54.29% +0.05%
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Files 268 268
Lines 17809 17843 +34
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+ Hits 9658 9687 +29
- Misses 7543 7546 +3
- Partials 608 610 +2 |
silvin-lubecki
approved these changes
Aug 1, 2018
cli/compose/template/template.go
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| } | ||
| name := val | ||
| var defaultValue string | ||
| if strings.Contains(val, ":?") { |
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nit
switch{
case string.Contains(val, ":?"):
name, _ = partition(val, ":?")
case strings.Contains(val, "?"):
name, _ = partition(val, "?")
...
}
return extractedValue{name: name, value: defaultValue}, true
}
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thaJeztah
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Aug 1, 2018
| }, | ||
| { | ||
| dict: map[string]interface{}{ | ||
| "foo": "${bar:-foo}", |
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Nested substitutions are not supported currently? (e.g. ${foo:-$bar})
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I'm not actually sure abou that 😝
| }, | ||
| }, | ||
| } | ||
| for _, tc := range testCases { |
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Could change this to subtests as a follow up?
It allows to get easily all the variables defined in a
composefile (the `map[string]interface{}` representation that
`loader.ParseYAML` returns at least) and their default value too.
This commit also does some small function extract on substitution
funcs to reduce a tiny bit duplication.
Signed-off-by: Vincent Demeester <vincent@sbr.pm>
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It allows to get easily all the variables defined in a
composefile (the
map[string]interface{}representation thatloader.ParseYAMLreturns at least) and their default value too.This commit also does some small function extract on substitution
funcs to reduce a tiny bit duplication.
Can be really useful for project that enhance the compose implementation like
docker/app.Signed-off-by: Vincent Demeester vincent@sbr.pm