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config/cmd: improve cert loading for infra (#1813)

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* config/cmd: improve cert loading for infra

* config/cmd: remove certificate_authorities flag

* config/cmd: fix caps

* config/cmd: fix bug with IsSet

* config/cmd: fix bool flags
This commit is contained in:
ben-toogood 2020-07-09 18:02:24 +01:00 committed by GitHub
parent 6d9a38a747
commit 318a80f824
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 53 additions and 31 deletions
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84
config/cmd/cmd.go
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@ -113,11 +113,6 @@ var (
DefaultCmd = newCmd()
DefaultFlags = []cli.Flag{
&cli.StringFlag{
Name: "certificate_authorities",
EnvVars: []string{"MICRO_CERTIFICATE_AUTHORITIES"},
Usage: "Commar-seperated list of certificate authorities, e.g. '/certs/ca.crt'",
},
&cli.StringFlag{
Name: "client",
EnvVars: []string{"MICRO_CLIENT"},
@ -202,10 +197,20 @@ var (
EnvVars: []string{"MICRO_BROKER_ADDRESS"},
Usage: "Comma-separated list of broker addresses",
},
&cli.BoolFlag{
Name: "broker_secure",
Usage: "Secure connection to broker",
EnvVars: []string{"MICRO_BROKER_SECURE"},
&cli.StringFlag{
Name: "broker_tls_ca",
Usage: "Certificate authority for TLS with broker",
EnvVars: []string{"MICRO_BROKER_TLS_CA"},
},
&cli.StringFlag{
Name: "broker_tls_cert",
Usage: "Client cert for TLS with broker",
EnvVars: []string{"MICRO_BROKER_TLS_CERT"},
},
&cli.StringFlag{
Name: "broker_tls_key",
Usage: "Client key for TLS with broker",
EnvVars: []string{"MICRO_BROKER_TLS_KEY"},
},
&cli.StringFlag{
Name: "profile",
@ -222,12 +227,21 @@ var (
EnvVars: []string{"MICRO_REGISTRY_ADDRESS"},
Usage: "Comma-separated list of registry addresses",
},
&cli.BoolFlag{
Name: "registry_secure",
Usage: "Secure connection to registry",
EnvVars: []string{"MICRO_REGISTRY_SECURE"},
&cli.StringFlag{
Name: "registry_tls_ca",
Usage: "Certificate authority for TLS with registry",
EnvVars: []string{"MICRO_REGISTRY_TLS_CA"},
},
&cli.StringFlag{
Name: "registry_tls_cert",
Usage: "Client cert for TLS with registry",
EnvVars: []string{"MICRO_REGISTRY_TLS_CERT"},
},
&cli.StringFlag{
Name: "registry_tls_key",
Usage: "Client key for TLS with registry",
EnvVars: []string{"MICRO_REGISTRY_TLS_KEY"},
}, &cli.StringFlag{
Name: "runtime",
Usage: "Runtime for building and running services e.g local, kubernetes",
EnvVars: []string{"MICRO_RUNTIME"},
@ -515,18 +529,6 @@ func (c *cmd) Options() Options {
}
func (c *cmd) Before(ctx *cli.Context) error {
// Setup custom certificate authorities
caCertPool := x509.NewCertPool()
if len(ctx.String("certificate_authorities")) > 0 {
for _, ca := range strings.Split(ctx.String("certificate_authorities"), ",") {
crt, err := ioutil.ReadFile(ca)
if err != nil {
logger.Fatalf("Error loading registry certificate authority: %v", err)
}
caCertPool.AppendCertsFromPEM(crt)
}
}
// Setup client options
var clientOpts []client.Option
@ -679,10 +681,20 @@ func (c *cmd) Before(ctx *cli.Context) error {
}
// Parse broker TLS certs
if ctx.Bool("broker_secure") {
cert, err := tls.LoadX509KeyPair("/certs/broker/cert.pem", "/certs/broker/key.pem")
if ctx.IsSet("broker_tls_cert") || ctx.IsSet("broker_tls_key") {
cert, err := tls.LoadX509KeyPair(ctx.String("broker_tls_cert"), ctx.String("broker_tls_key"))
if err != nil {
logger.Fatalf("Error loading broker x509 key pair: %v", err)
logger.Fatalf("Error loading broker TLS cert: %v", err)
}
// load custom certificate authority
caCertPool := x509.NewCertPool()
if ctx.IsSet("broker_tls_ca") {
crt, err := ioutil.ReadFile(ctx.String("broker_tls_ca"))
if err != nil {
logger.Fatalf("Error loading broker TLS certificate authority: %v", err)
}
caCertPool.AppendCertsFromPEM(crt)
}
cfg := &tls.Config{Certificates: []tls.Certificate{cert}, RootCAs: caCertPool}
@ -693,10 +705,20 @@ func (c *cmd) Before(ctx *cli.Context) error {
registryOpts := []registry.Option{registrySrv.WithClient(microClient)}
// Parse registry TLS certs
if ctx.Bool("registry_secure") {
cert, err := tls.LoadX509KeyPair("/certs/registry/cert.pem", "/certs/registry/key.pem")
if ctx.IsSet("registry_tls_cert") || ctx.IsSet("registry_tls_key") {
cert, err := tls.LoadX509KeyPair(ctx.String("registry_tls_cert"), ctx.String("registry_tls_key"))
if err != nil {
logger.Fatalf("Error loading registry x509 key pair: %v", err)
logger.Fatalf("Error loading registry tls cert: %v", err)
}
// load custom certificate authority
caCertPool := x509.NewCertPool()
if ctx.IsSet("registry_tls_ca") {
crt, err := ioutil.ReadFile(ctx.String("registry_tls_ca"))
if err != nil {
logger.Fatalf("Error loading registry tls certificate authority: %v", err)
}
caCertPool.AppendCertsFromPEM(crt)
}
cfg := &tls.Config{Certificates: []tls.Certificate{cert}, RootCAs: caCertPool}