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entrypoint.go
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entrypoint.go
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// Copyright 2019 The Operator-SDK Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package helm
import (
"path/filepath"
"github.com/operator-framework/operator-sdk/internal/pkg/scaffold/input"
)
// Entrypoint - entrypoint script
type Entrypoint struct {
input.Input
}
func (e *Entrypoint) GetInput() (input.Input, error) {
if e.Path == "" {
e.Path = filepath.Join("bin", "entrypoint")
}
e.TemplateBody = entrypointTmpl
e.IsExec = true
return e.Input, nil
}
const entrypointTmpl = `#!/bin/sh -e
# This is documented here:
# https://docs.openshift.com/container-platform/3.11/creating_images/guidelines.html#openshift-specific-guidelines
if ! whoami &>/dev/null; then
if [ -w /etc/passwd ]; then
echo "${USER_NAME:-helm}:x:$(id -u):$(id -g):${USER_NAME:-helm} user:${HOME}:/sbin/nologin" >> /etc/passwd
fi
fi
exec ${OPERATOR} run helm --watches-file=/opt/helm/watches.yaml $@
`