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fix(helm): fix(helm): add `--tls-hostname` flag to tls flags

Browse Source 
docs(*): update tiller_ssl.md to reflect IP SAN usage.
When using helm/tiller in tls-verify mode, 127.0.0.1 should
be listed as an IP SAN in the tiller certificate to pass
hostname verficiation of the TLS handshake.

Closes #4149
pull/4444/head
fibonacci1729 6 years ago committed by Matthew Fisher
parent 99bfe7c5ec
commit bd0686731c
No known key found for this signature in database
GPG Key ID: 92AA783CBAAE8E3B
17 changed files with 167 additions and 122 deletions
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11
cmd/helm/helm.go
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@ -40,6 +40,7 @@ import (
)
var (
tlsServerName string // overrides the server name used to verify the hostname on the returned certificates from the server.
tlsCaCertFile string // path to TLS CA certificate file
tlsCertFile string // path to TLS certificate file
tlsKeyFile string // path to TLS key file
@ -285,8 +286,13 @@ func newClient() helm.Interface {
if tlsKeyFile == "" {
tlsKeyFile = settings.Home.TLSKey()
}
debug("Key=%q, Cert=%q, CA=%q\n", tlsKeyFile, tlsCertFile, tlsCaCertFile)
tlsopts := tlsutil.Options{KeyFile: tlsKeyFile, CertFile: tlsCertFile, InsecureSkipVerify: true}
debug("Host=%q, Key=%q, Cert=%q, CA=%q\n", tlsKeyFile, tlsCertFile, tlsCaCertFile)
tlsopts := tlsutil.Options{
ServerName: tlsServerName,
KeyFile: tlsKeyFile,
CertFile: tlsCertFile,
InsecureSkipVerify: true,
}
if tlsVerify {
tlsopts.CaCertFile = tlsCaCertFile
tlsopts.InsecureSkipVerify = false
@ -306,6 +312,7 @@ func newClient() helm.Interface {
func addFlagsTLS(cmd *cobra.Command) *cobra.Command {
// add flags
cmd.Flags().StringVar(&tlsServerName, "tls-hostname", settings.TillerHost, "the server name used to verify the hostname on the returned certificates from the server")
cmd.Flags().StringVar(&tlsCaCertFile, "tls-ca-cert", tlsCaCertDefault, "path to TLS CA certificate file")
cmd.Flags().StringVar(&tlsCertFile, "tls-cert", tlsCertDefault, "path to TLS certificate file")
cmd.Flags().StringVar(&tlsKeyFile, "tls-key", tlsKeyDefault, "path to TLS key file")

23
docs/helm/helm_delete.md
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@ -20,16 +20,17 @@ helm delete [flags] RELEASE_NAME [...]
### Options
```
--description string specify a description for the release
--dry-run simulate a delete
--no-hooks prevent hooks from running during deletion
--purge remove the release from the store and make its name free for later use
--timeout int time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks) (default 300)
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--description string specify a description for the release
--dry-run simulate a delete
--no-hooks prevent hooks from running during deletion
--purge remove the release from the store and make its name free for later use
--timeout int time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks) (default 300)
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -47,4 +48,4 @@ helm delete [flags] RELEASE_NAME [...]
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

15
docs/helm/helm_get.md
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@ -25,12 +25,13 @@ helm get [flags] RELEASE_NAME
### Options
```
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -51,4 +52,4 @@ helm get [flags] RELEASE_NAME
* [helm get manifest](helm_get_manifest.md) - download the manifest for a named release
* [helm get values](helm_get_values.md) - download the values file for a named release
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

15
docs/helm/helm_get_hooks.md
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@ -18,12 +18,13 @@ helm get hooks [flags] RELEASE_NAME
### Options
```
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -41,4 +42,4 @@ helm get hooks [flags] RELEASE_NAME
### SEE ALSO
* [helm get](helm_get.md) - download a named release
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

15
docs/helm/helm_get_manifest.md
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@ -20,12 +20,13 @@ helm get manifest [flags] RELEASE_NAME
### Options
```
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -43,4 +44,4 @@ helm get manifest [flags] RELEASE_NAME
### SEE ALSO
* [helm get](helm_get.md) - download a named release
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

17
docs/helm/helm_get_values.md
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@ -16,13 +16,14 @@ helm get values [flags] RELEASE_NAME
### Options
```
-a, --all dump all (computed) values
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
-a, --all dump all (computed) values
--revision int32 get the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -40,4 +41,4 @@ helm get values [flags] RELEASE_NAME
### SEE ALSO
* [helm get](helm_get.md) - download a named release
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

19
docs/helm/helm_history.md
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@ -28,14 +28,15 @@ helm history [flags] RELEASE_NAME
### Options
```
--col-width uint specifies the max column width of output (default 60)
--max int32 maximum number of revision to include in history (default 256)
-o, --output string prints the output in the specified format (json|table|yaml) (default "table")
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--col-width uint specifies the max column width of output (default 60)
--max int32 maximum number of revision to include in history (default 256)
-o, --output string prints the output in the specified format (json|table|yaml) (default "table")
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -53,4 +54,4 @@ helm history [flags] RELEASE_NAME
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

3
docs/helm/helm_install.md
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@ -102,6 +102,7 @@ helm install [CHART]
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--username string chart repository username where to locate the requested chart
@ -126,4 +127,4 @@ helm install [CHART]
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jul-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

41
docs/helm/helm_list.md
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@ -39,25 +39,26 @@ helm list [flags] [FILTER]
### Options
```
-a, --all show all releases, not just the ones marked DEPLOYED
--col-width uint specifies the max column width of output (default 60)
-d, --date sort by release date
--deleted show deleted releases
--deleting show releases that are currently being deleted
--deployed show deployed releases. If no other is specified, this will be automatically enabled
--failed show failed releases
-m, --max int maximum number of releases to fetch (default 256)
--namespace string show releases within a specific namespace
-o, --offset string next release name in the list, used to offset from start value
--output string output the specified format (json or yaml)
--pending show pending releases
-r, --reverse reverse the sort order
-q, --short output short (quiet) listing format
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
-a, --all show all releases, not just the ones marked DEPLOYED
--col-width uint specifies the max column width of output (default 60)
-d, --date sort by release date
--deleted show deleted releases
--deleting show releases that are currently being deleted
--deployed show deployed releases. If no other is specified, this will be automatically enabled
--failed show failed releases
-m, --max int maximum number of releases to fetch (default 256)
--namespace string show releases within a specific namespace
-o, --offset string next release name in the list, used to offset from start value
--output string output the specified format (json or yaml)
--pending show pending releases
-r, --reverse reverse the sort order
-q, --short output short (quiet) listing format
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -75,4 +76,4 @@ helm list [flags] [FILTER]
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

17
docs/helm/helm_reset.md
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@ -18,13 +18,14 @@ helm reset
### Options
```
-f, --force forces Tiller uninstall even if there are releases installed, or if Tiller is not in ready state. Releases are not deleted.)
--remove-helm-home if set deletes $HELM_HOME
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
-f, --force forces Tiller uninstall even if there are releases installed, or if Tiller is not in ready state. Releases are not deleted.)
--remove-helm-home if set deletes $HELM_HOME
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -42,4 +43,4 @@ helm reset
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

27
docs/helm/helm_rollback.md
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@ -20,18 +20,19 @@ helm rollback [flags] [RELEASE] [REVISION]
### Options
```
--description string specify a description for the release
--dry-run simulate a rollback
--force force resource update through delete/recreate if needed
--no-hooks prevent hooks from running during rollback
--recreate-pods performs pods restart for the resource if applicable
--timeout int time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks) (default 300)
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--wait if set, will wait until all Pods, PVCs, Services, and minimum number of Pods of a Deployment are in a ready state before marking the release as successful. It will wait for as long as --timeout
--description string specify a description for the release
--dry-run simulate a rollback
--force force resource update through delete/recreate if needed
--no-hooks prevent hooks from running during rollback
--recreate-pods performs pods restart for the resource if applicable
--timeout int time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks) (default 300)
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--wait if set, will wait until all Pods, PVCs, Services, and minimum number of Pods of a Deployment are in a ready state before marking the release as successful. It will wait for as long as --timeout
```
### Options inherited from parent commands
@ -49,4 +50,4 @@ helm rollback [flags] [RELEASE] [REVISION]
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

17
docs/helm/helm_status.md
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@ -23,13 +23,14 @@ helm status [flags] RELEASE_NAME
### Options
```
-o, --output string output the status in the specified format (json or yaml)
--revision int32 if set, display the status of the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
-o, --output string output the status in the specified format (json or yaml)
--revision int32 if set, display the status of the named release with revision
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -47,4 +48,4 @@ helm status [flags] RELEASE_NAME
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

17
docs/helm/helm_test.md
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@ -19,13 +19,14 @@ helm test [RELEASE]
### Options
```
--cleanup delete test pods upon completion
--timeout int time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks) (default 300)
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--cleanup delete test pods upon completion
--timeout int time in seconds to wait for any individual Kubernetes operation (like Jobs for hooks) (default 300)
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -43,4 +44,4 @@ helm test [RELEASE]
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

3
docs/helm/helm_upgrade.md
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@ -62,6 +62,7 @@ helm upgrade [RELEASE] [CHART]
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
--username string chart repository username where to locate the requested chart
@ -86,4 +87,4 @@ helm upgrade [RELEASE] [CHART]
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-May-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

21
docs/helm/helm_version.md
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@ -30,15 +30,16 @@ helm version
### Options
```
-c, --client client version only
-s, --server server version only
--short print the version number
--template string template for version string format
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
-c, --client client version only
-s, --server server version only
--short print the version number
--template string template for version string format
--tls enable TLS for request
--tls-ca-cert string path to TLS CA certificate file (default "$HELM_HOME/ca.pem")
--tls-cert string path to TLS certificate file (default "$HELM_HOME/cert.pem")
--tls-hostname string the server name used to verify the hostname on the returned certificates from the server
--tls-key string path to TLS key file (default "$HELM_HOME/key.pem")
--tls-verify enable TLS for request and verify remote
```
### Options inherited from parent commands
@ -56,4 +57,4 @@ helm version
### SEE ALSO
* [helm](helm.md) - The Helm package manager for Kubernetes.
###### Auto generated by spf13/cobra on 17-Jun-2018
###### Auto generated by spf13/cobra on 7-Aug-2018

17
docs/tiller_ssl.md
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@ -284,6 +284,23 @@ the host name that Helm connects to matches the host name on the certificate. In
some cases this is awkward, since Helm will connect over localhost, or the FQDN is
not available for public resolution.
*If I use `--tls-verify` on the client, I get `Error: x509: cannot validate certificate for 127.0.0.1 because it doesn't contain any IP SANs`*
By default, the Helm client connects to Tiller via tunnel (i.e. kube proxy) at 127.0.0.1. During the TLS handshake,
a target, usually provided as a hostname (e.g. example.com), is checked against the subject and subject alternative
names of the certificate (i.e. hostname verficiation). However, because of the tunnel, the target is an IP address.
Therefore, to validate the certificate, the IP address 127.0.0.1 must be listed as an IP subject alternative name
(IP SAN) in the Tiller certificate.
For example, to list 127.0.0.1 as an IP SAN when generating the Tiller certificate:
```console
$ echo subjectAltName=IP:127.0.0.1 > extfile.cnf
$ openssl x509 -req -CA ca.cert.pem -CAkey ca.key.pem -CAcreateserial -in tiller.csr.pem -out tiller.cert.pem -days 365 -extfile extfile.cnf
```
Alternatively, you can override the expected hostname of the tiller certificate using the `--tls-hostname` flag.
*If I use `--tls-verify` on the client, I get `Error: x509: certificate has expired or is not yet valid`*
Your helm certificate has expired, you need to sign a new certificate using your private key and the CA (and consider increasing the number of days)

11
pkg/tlsutil/cfg.go
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@ -33,6 +33,9 @@ type Options struct {
CertFile string
// Client-only options
InsecureSkipVerify bool
// Overrides the server name used to verify the hostname on the returned
// certificates from the server.
ServerName string
// Server-only options
ClientAuth tls.ClientAuthType
}
@ -55,8 +58,12 @@ func ClientConfig(opts Options) (cfg *tls.Config, err error) {
return nil, err
}
}
cfg = &tls.Config{InsecureSkipVerify: opts.InsecureSkipVerify, Certificates: []tls.Certificate{*cert}, RootCAs: pool}
cfg = &tls.Config{
InsecureSkipVerify: opts.InsecureSkipVerify,
Certificates: []tls.Certificate{*cert},
ServerName: opts.ServerName,
RootCAs: pool,
}
return cfg, nil
}

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