/
stringmerge.go
83 lines (71 loc) · 1.59 KB
/
stringmerge.go
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package helpers
import (
"sync"
"github.com/pulumi/pulumi/sdk/v3/go/pulumi"
)
type StringMerge struct {
Values []string
Key pulumi.StringPtrOutput
}
type StringMergeArray []StringMerge
func StringMergeToStringMergeArray(s ...StringMerge) StringMergeArray {
return s
}
func (sma StringMergeArray) Merge() StringMergeArray {
result := StringMergeArray{}
sm := pulumi.MapArray{}
for _, x := range sma {
sm = append(sm, pulumi.Map{
"key": x.Key,
"values": pulumi.ToStringArray(x.Values),
})
}
handledKeys := map[string]bool{}
wg := sync.WaitGroup{}
wg.Add(1)
sm.ToMapArrayOutput().ApplyT(func(m interface{}) interface{} {
mi := m.([]map[string]interface{})
for _, mx := range mi {
kk := mx["key"].(*string)
if kk == nil {
continue
}
key := *kk
if _, handled := handledKeys[key]; handled {
continue
}
handledKeys[key] = true
values := values(sm, key)
result = append(result, StringMerge{
Key: pulumi.String(key).ToStringPtrOutput(),
Values: values,
})
}
wg.Done()
return mi
})
wg.Wait()
return result
}
func values(sm pulumi.MapArray, key string) []string {
values := []string{}
wg := sync.WaitGroup{}
wg.Add(1)
sm.ToMapArrayOutput().ApplyT(func(m interface{}) interface{} {
mi := m.([]map[string]interface{})
for _, mx := range mi {
if mx["key"] == nil || mx["values"] == nil {
continue
}
currentKey := *mx["key"].(*string)
currentHostNames := mx["values"].([]string)
if currentKey == key {
values = append(values, currentHostNames...)
}
}
wg.Done()
return mi
})
wg.Wait()
return values
}