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@ -146,32 +146,38 @@ func CoalesceValues(chrt *chart.Chart, vals *chart.Config) (Values, error) {
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if err != nil {
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return cvals, err
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}
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cvals = coalesce(chrt, evals)
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cvals, err = coalesce(chrt, evals)
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if err != nil {
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return cvals, err
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}
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}
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cvals = coalesceDeps(chrt, cvals)
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return cvals, nil
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var err error
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cvals, err = coalesceDeps(chrt, cvals)
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return cvals, err
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}
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// coalesce coalesces the dest values and the chart values, giving priority to the dest values.
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//
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// This is a helper function for CoalesceValues.
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func coalesce(ch *chart.Chart, dest map[string]interface{}) map[string]interface{} {
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dest = coalesceValues(ch, dest)
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func coalesce(ch *chart.Chart, dest map[string]interface{}) (map[string]interface{}, error) {
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var err error
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dest, err = coalesceValues(ch, dest)
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if err != nil {
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return dest, err
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}
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coalesceDeps(ch, dest)
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return dest
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return dest, nil
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}
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// coalesceDeps coalesces the dependencies of the given chart.
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func coalesceDeps(chrt *chart.Chart, dest map[string]interface{}) map[string]interface{} {
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func coalesceDeps(chrt *chart.Chart, dest map[string]interface{}) (map[string]interface{}, error) {
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for _, subchart := range chrt.Dependencies {
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if c, ok := dest[subchart.Metadata.Name]; !ok {
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// If dest doesn't already have the key, create it.
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dest[subchart.Metadata.Name] = map[string]interface{}{}
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} else if !istable(c) {
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log.Printf("error: type mismatch on %s: %t", subchart.Metadata.Name, c)
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return dest
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return dest, fmt.Errorf("type mismatch on %s: %t", subchart.Metadata.Name, c)
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}
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if dv, ok := dest[subchart.Metadata.Name]; ok {
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dvmap := dv.(map[string]interface{})
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@ -179,11 +185,15 @@ func coalesceDeps(chrt *chart.Chart, dest map[string]interface{}) map[string]int
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// Get globals out of dest and merge them into dvmap.
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coalesceGlobals(dvmap, dest)
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var err error
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// Now coalesce the rest of the values.
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dest[subchart.Metadata.Name] = coalesce(subchart, dvmap)
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dest[subchart.Metadata.Name], err = coalesce(subchart, dvmap)
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if err != nil {
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return dest, err
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}
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}
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return dest
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}
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return dest, nil
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}
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// coalesceGlobals copies the globals out of src and merges them into dest.
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@ -228,10 +238,10 @@ func coalesceGlobals(dest, src map[string]interface{}) map[string]interface{} {
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// coalesceValues builds up a values map for a particular chart.
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//
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// Values in v will override the values in the chart.
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func coalesceValues(c *chart.Chart, v map[string]interface{}) map[string]interface{} {
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func coalesceValues(c *chart.Chart, v map[string]interface{}) (map[string]interface{}, error) {
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// If there are no values in the chart, we just return the given values
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if c.Values == nil || c.Values.Raw == "" {
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return v
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return v, nil
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}
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nv, err := ReadValues([]byte(c.Values.Raw))
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@ -239,8 +249,7 @@ func coalesceValues(c *chart.Chart, v map[string]interface{}) map[string]interfa
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// On error, we return just the overridden values.
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// FIXME: We should log this error. It indicates that the YAML data
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// did not parse.
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log.Printf("error reading default values (%s): %s", c.Values.Raw, err)
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return v
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return v, fmt.Errorf("error reading default values (%s): %s", c.Values.Raw, err)
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}
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for key, val := range nv {
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@ -259,7 +268,7 @@ func coalesceValues(c *chart.Chart, v map[string]interface{}) map[string]interfa
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coalesceTables(dest, src)
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}
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}
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return v
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return v, nil
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}
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// coalesceTables merges a source map into a destination map.
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