31 lines
828 B
Go
31 lines
828 B
Go
package lookup
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import (
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"strings"
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"github.com/docker/docker/runconfig/opts"
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"github.com/docker/libcompose/config"
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)
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// EnvfileLookup is a structure that implements the project.EnvironmentLookup interface.
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// It holds the path of the file where to lookup environment values.
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type EnvfileLookup struct {
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Path string
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}
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// Lookup creates a string slice of string containing a "docker-friendly" environment string
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// in the form of 'key=value'. It gets environment values using a '.env' file in the specified
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// path.
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func (l *EnvfileLookup) Lookup(key, serviceName string, config *config.ServiceConfig) []string {
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envs, err := opts.ParseEnvFile(l.Path)
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if err != nil {
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return []string{}
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}
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for _, env := range envs {
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e := strings.Split(env, "=")
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if e[0] == key {
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return []string{env}
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}
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}
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return []string{}
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}
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