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flags.go
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flags.go
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// Copyright 2016 IBM Corporation
//
// 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 config
import (
"fmt"
"strings"
"github.com/urfave/cli"
)
const (
configFlag = "config"
registerFlag = "register"
proxyFlag = "proxy"
proxyTLSFlag = "proxy_tls"
proxyCertChainFileFlag = "proxy_cert_chain_file"
proxyPrivateKeyFileFlag = "proxy_private_key_file"
proxyCACertFileFlag = "proxy_ca_cert_file"
proxyAdapterFlag = "proxy_adapter"
serviceFlag = "service"
endpointHostFlag = "endpoint_host"
endpointPortFlag = "endpoint_port"
endpointTypeFlag = "endpoint_type"
discoveryAdapterFlag = "discovery_adapter"
registryURLFlag = "registry_url"
registryTokenFlag = "registry_token"
registryPollFlag = "registry_poll"
kubernetesURLFlag = "kubernetes_url"
kubernetesTokenFlag = "kubernetes_token"
kubernetesNamespaceFlag = "kubernetes_namespace"
kubernetesPodNameFlag = "kubernetes_pod_name"
eurekaURLFlag = "eureka_url"
rulesAdapterFlag = "rules_adapter"
controllerURLFlag = "controller_url"
controllerTokenFlag = "controller_token"
controllerPollFlag = "controller_poll"
superviseFlag = "supervise"
healthchecksFlag = "healthchecks"
logLevelFlag = "log_level"
dnsFlag = "dns"
dnsConfigPortFlag = "dns_port"
dnsConfigDomainFlag = "dns_domain"
)
// Flags is the set of supported flags
var Flags = []cli.Flag{
cli.StringFlag{
Name: configFlag,
EnvVar: envVar(configFlag),
Usage: "Load configuration from file",
},
cli.BoolFlag{
Name: registerFlag,
EnvVar: envVar(registerFlag),
Usage: "Enable automatic service registration and heartbeat",
},
cli.BoolFlag{
Name: proxyFlag,
EnvVar: envVar(proxyFlag),
Usage: "Start proxy",
},
cli.StringFlag{
Name: proxyAdapterFlag,
EnvVar: envVar(proxyAdapterFlag),
Usage: fmt.Sprintf("Proxy adapter (%v)", strings.Join(SupportedAdapters, ", ")),
},
cli.BoolFlag{
Name: dnsFlag,
EnvVar: envVar(dnsFlag),
Usage: "Enable DNS server",
},
cli.BoolFlag{
Name: proxyTLSFlag,
EnvVar: envVar(proxyTLSFlag),
Usage: "Enable proxy TLS communication",
},
cli.StringFlag{
Name: proxyCertChainFileFlag,
EnvVar: envVar(proxyCertChainFileFlag),
Usage: "File containing the certificate chain file for the service (to present to clients)",
},
cli.StringFlag{
Name: proxyPrivateKeyFileFlag,
EnvVar: envVar(proxyPrivateKeyFileFlag),
Usage: "File containing the private key that corresponds to the certificate chain file",
},
cli.StringFlag{
Name: proxyCACertFileFlag,
EnvVar: envVar(proxyCACertFileFlag),
Usage: "File containing CA certificate(s) to verify client connections",
},
cli.StringFlag{
Name: serviceFlag,
EnvVar: envVar(serviceFlag),
Usage: "Service name to register with",
},
cli.StringFlag{
Name: endpointHostFlag,
EnvVar: envVar(endpointHostFlag),
Usage: "Service endpoint host name (local IP is used if none specified)",
},
cli.IntFlag{
Name: endpointPortFlag,
EnvVar: envVar(endpointPortFlag),
Usage: "Service endpoint port",
},
cli.StringFlag{
Name: endpointTypeFlag,
EnvVar: envVar(endpointTypeFlag),
Usage: "Service endpoint type (http, https, tcp, udp, user)",
},
cli.StringFlag{
Name: discoveryAdapterFlag,
EnvVar: envVar(discoveryAdapterFlag),
Usage: fmt.Sprintf("Discovery adapter (%s, %s, %s)", Amalgam8Adapter, KubernetesAdapter, EurekaAdapter),
},
cli.StringFlag{
Name: registryURLFlag,
EnvVar: envVar(registryURLFlag),
Usage: "URL for Amalgam8 Registry",
},
cli.StringFlag{
Name: registryTokenFlag,
EnvVar: envVar(registryTokenFlag),
Usage: "API token for Amalgam8 Registry",
},
cli.DurationFlag{
Name: registryPollFlag,
EnvVar: envVar(registryPollFlag),
Usage: "Interval for polling Amalgam8 Registry",
},
cli.StringFlag{
Name: kubernetesURLFlag,
EnvVar: envVar(kubernetesURLFlag),
Usage: "URL for Kubernetes API server",
},
cli.StringFlag{
Name: kubernetesTokenFlag,
EnvVar: envVar(kubernetesTokenFlag),
Usage: "API token for Kubernetes API server",
},
cli.StringFlag{
Name: kubernetesNamespaceFlag,
EnvVar: envVar(kubernetesNamespaceFlag),
Usage: "Kubernetes API namespace",
},
cli.StringFlag{
Name: kubernetesPodNameFlag,
EnvVar: envVar(kubernetesPodNameFlag),
Usage: "Kubernetes Pod name, to be used for automatic detection of service name and labels",
},
cli.StringSliceFlag{
Name: eurekaURLFlag,
EnvVar: envVar(eurekaURLFlag),
Usage: "List of Eureka server URLs",
},
cli.StringFlag{
Name: rulesAdapterFlag,
EnvVar: envVar(rulesAdapterFlag),
Usage: fmt.Sprintf("Rules service adapter (%s, %s)", Amalgam8Adapter, KubernetesAdapter),
},
cli.StringFlag{
Name: controllerURLFlag,
EnvVar: envVar(controllerURLFlag),
Usage: "URL for Amalgam8 Controller",
},
cli.StringFlag{
Name: controllerTokenFlag,
EnvVar: envVar(controllerTokenFlag),
Usage: "API token for Amalgam8 Controller",
},
cli.DurationFlag{
Name: controllerPollFlag,
EnvVar: envVar(controllerPollFlag),
Usage: "Interval for polling Amalgam8 Rules",
},
cli.StringFlag{
Name: dnsConfigPortFlag,
EnvVar: envVar(dnsConfigPortFlag),
Usage: "DNS server port number",
},
cli.StringFlag{
Name: dnsConfigDomainFlag,
EnvVar: envVar(dnsConfigDomainFlag),
Usage: "DNS server authorization domain name",
},
cli.BoolFlag{
Name: superviseFlag,
EnvVar: envVar(superviseFlag),
Usage: "Deprecated - this flag is no longer required and will be ignored",
},
cli.StringSliceFlag{
Name: healthchecksFlag,
EnvVar: envVar(healthchecksFlag),
Usage: "List of health check URLs",
},
cli.StringFlag{
Name: logLevelFlag,
EnvVar: envVar(logLevelFlag),
Usage: "Logging level (debug, info, warn, error, fatal, panic)",
},
}
func envVar(name string) string {
return strings.ToUpper(fmt.Sprintf("%v%v", "A8_", name))
}