38 lines
765 B
Go
38 lines
765 B
Go
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package instana
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import (
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"bytes"
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"io/ioutil"
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"strings"
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)
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const eumTemplate string = "eum.js"
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// EumSnippet generates javascript code to initialize JavaScript agent
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func EumSnippet(apiKey string, traceID string, meta map[string]string) string {
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if len(apiKey) == 0 || len(traceID) == 0 {
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return ""
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}
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b, err := ioutil.ReadFile(eumTemplate)
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if err != nil {
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return ""
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}
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var snippet = string(b)
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var metaBuffer bytes.Buffer
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snippet = strings.Replace(snippet, "$apiKey", apiKey, -1)
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snippet = strings.Replace(snippet, "$traceId", traceID, -1)
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for key, value := range meta {
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metaBuffer.WriteString(" ineum('meta', '" + key + "', '" + value + "');\n")
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}
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snippet = strings.Replace(snippet, "$meta", metaBuffer.String(), -1)
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return snippet
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}
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