66 lines
1.6 KiB
Go
66 lines
1.6 KiB
Go
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package config
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import (
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"fmt"
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)
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func Merge(c1, c2 *Config) (*Config, error) {
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c := new(Config)
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// Merge variables: Variable merging is quite simple. Set fields in
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// later set variables override those earlier.
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c.Variables = c1.Variables
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for k, v2 := range c2.Variables {
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v1, ok := c.Variables[k]
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if ok {
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if v2.Default == "" {
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v2.Default = v1.Default
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}
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if v2.Description == "" {
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v2.Description = v1.Description
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}
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}
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c.Variables[k] = v2
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}
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// Merge outputs: If they collide, just take the latest one for now. In
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// the future, we might provide smarter merge functionality.
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c.Outputs = make(map[string]*Output)
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for k, v := range c1.Outputs {
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c.Outputs[k] = v
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}
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for k, v := range c2.Outputs {
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c.Outputs[k] = v
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}
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// Merge provider configs: If they collide, we just take the latest one
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// for now. In the future, we might provide smarter merge functionality.
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c.ProviderConfigs = make(map[string]*ProviderConfig)
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for k, v := range c1.ProviderConfigs {
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c.ProviderConfigs[k] = v
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}
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for k, v := range c2.ProviderConfigs {
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c.ProviderConfigs[k] = v
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}
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// Merge resources: If they collide, we just take the latest one
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// for now. In the future, we might provide smarter merge functionality.
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resources := make(map[string]*Resource)
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for _, r := range c1.Resources {
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id := fmt.Sprintf("%s[%s]", r.Type, r.Name)
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resources[id] = r
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}
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for _, r := range c2.Resources {
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id := fmt.Sprintf("%s[%s]", r.Type, r.Name)
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resources[id] = r
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}
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c.Resources = make([]*Resource, 0, len(resources))
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for _, r := range resources {
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c.Resources = append(c.Resources, r)
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}
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return c, nil
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}
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