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Adds scopeUID config to enable multiple instances of Watchtower (#511)

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* Adds scopeUID config to enable multiple instances of Watchtower

* Adds tests for multiple instance support with scopeuid

* Adds docs on scope monitoring and multiple instance support

* Adds multiple instances docs to mkdocs config file

* Changes multiple instances check and refactors naming for scope feature

* Applies linter suggestions

* Fixes documentation on Watchtower monitoring scope
This commit is contained in:
Victor Moura 2020-08-21 15:13:47 -03:00 • committed by GitHub
parent 5efb249a86
commit 6a18ee911e
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14 changed files with 160 additions and 24 deletions
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23
pkg/filters/filters.go
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@ -51,8 +51,24 @@ func FilterByDisabledLabel(baseFilter t.Filter) t.Filter {
}
}
// FilterByScope returns all containers that belongs to a specific scope
func FilterByScope(scope string, baseFilter t.Filter) t.Filter {
if scope == "" {
return baseFilter
}
return func(c t.FilterableContainer) bool {
containerScope, ok := c.Scope()
if ok && containerScope == scope {
return baseFilter(c)
}
return false
}
}
// BuildFilter creates the needed filter of containers
func BuildFilter(names []string, enableLabel bool) t.Filter {
func BuildFilter(names []string, enableLabel bool, scope string) t.Filter {
filter := NoFilter
filter = FilterByNames(names, filter)
if enableLabel {
@ -60,6 +76,11 @@ func BuildFilter(names []string, enableLabel bool) t.Filter {
// if the label is specifically set.
filter = FilterByEnableLabel(filter)
}
if scope != "" {
// If a scope has been defined, containers should only be considered
// if the scope is specifically set.
filter = FilterByScope(scope, filter)
}
filter = FilterByDisabledLabel(filter)
return filter
}