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41 lines
1.4 KiB
41 lines
1.4 KiB
/*
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Copyright The Helm Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tiller
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import (
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"k8s.io/helm/pkg/chart"
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"k8s.io/helm/pkg/chartutil"
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)
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// Engine represents a template engine that can render templates.
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//
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// For some engines, "rendering" includes both compiling and executing. (Other
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// engines do not distinguish between phases.)
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//
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// The engine returns a map where the key is the named output entity (usually
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// a file name) and the value is the rendered content of the template.
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//
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// An Engine must be capable of executing multiple concurrent requests, but
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// without tainting one request's environment with data from another request.
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type Engine interface {
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// Render renders a chart.
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//
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// It receives a chart, a config, and a map of overrides to the config.
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// Overrides are assumed to be passed from the system, not the user.
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Render(*chart.Chart, chartutil.Values) (map[string]string, error)
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}
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