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main.go
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main.go
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/*
* Copyright 2018-2020 the original author or 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
*
* https://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 main
import (
"fmt"
"os"
"github.com/miekg/dns"
"github.com/paketo-buildpacks/libpak/bard"
"github.com/paketo-buildpacks/libpak/sherpa"
"github.com/paketo-buildpacks/libjvm"
"github.com/paketo-buildpacks/libjvm/helper"
)
func main() {
sherpa.Execute(func() error {
var (
err error
l = bard.NewLogger(os.Stdout)
cl = libjvm.NewCertificateLoader()
a = helper.ActiveProcessorCount{Logger: l}
c = helper.SecurityProvidersConfigurer{Logger: l}
d = helper.LinkLocalDNS{Logger: l}
j = helper.JavaOpts{Logger: l}
jh = helper.JVMHeapDump{Logger: l}
m = helper.MemoryCalculator{
Logger: l,
MemoryLimitPathV1: helper.DefaultMemoryLimitPathV1,
MemoryLimitPathV2: helper.DefaultMemoryLimitPathV2,
MemoryInfoPath: helper.DefaultMemoryInfoPath,
}
o = helper.OpenSSLCertificateLoader{CertificateLoader: cl, Logger: l}
s8 = helper.SecurityProvidersClasspath8{Logger: l}
s9 = helper.SecurityProvidersClasspath9{Logger: l}
d8 = helper.Debug8{Logger: l}
d9 = helper.Debug9{Logger: l}
jm = helper.JMX{Logger: l}
n = helper.NMT{Logger: l}
jf = helper.JFR{Logger: l}
)
file := "/etc/resolv.conf"
d.Config, err = dns.ClientConfigFromFile(file)
if err != nil {
return fmt.Errorf("unable to read DNS client configuration from %s\n%w", file, err)
}
return sherpa.Helpers(map[string]sherpa.ExecD{
"active-processor-count": a,
"java-opts": j,
"jvm-heap": jh,
"link-local-dns": d,
"memory-calculator": m,
"openssl-certificate-loader": o,
"security-providers-classpath-8": s8,
"security-providers-classpath-9": s9,
"security-providers-configurer": c,
"debug-8": d8,
"debug-9": d9,
"jmx": jm,
"nmt": n,
"jfr": jf,
})
})
}