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cmd/kgctl: use KUBECONFIG from env

This commit is contained in:
Lucas Servén Marín 2019-05-03 14:22:05 +02:00
parent 5865cefbfa
commit 72991949ac
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GPG Key ID: 586FEAF680DA74AD
3 changed files with 6 additions and 6 deletions
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4
README.md
View File

@ -99,7 +99,7 @@ EOF
This configuration can then be applied to a local WireGuard interface, e.g. `wg0`, with the help of the `kgctl` tool:
```shell
kgctl --kubeconfig=$KUBECONFIG showconf peer squat > peer.ini
kgctl showconf peer squat > peer.ini
sudo wg setconf wg0 peer.ini
```
@ -111,7 +111,7 @@ The topology of a Kilo network can be analyzed using the `kgctl` binary.
For example, the `graph` command can be used to generate a graph of the network in Graphviz format:
```shell
kgctl graph --kubeconfig=$KUBECONFIG | twopi -Tsvg > cluster.svg
kgctl graph | twopi -Tsvg > cluster.svg
```
<img src="./cluster.svg">

2
cmd/kgctl/main.go
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@ -116,7 +116,7 @@ func main() {
}
cmd.PersistentFlags().StringVar(&backend, "backend", k8s.Backend, fmt.Sprintf("The backend for the mesh. Possible values: %s", availableBackends))
cmd.PersistentFlags().StringVar(&granularity, "mesh-granularity", string(mesh.DataCenterGranularity), fmt.Sprintf("The granularity of the network mesh to create. Possible values: %s", availableGranularities))
cmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", "", "Path to kubeconfig.")
cmd.PersistentFlags().StringVar(&kubeconfig, "kubeconfig", os.Getenv("KUBECONFIG"), "Path to kubeconfig.")
cmd.PersistentFlags().StringVar(&subnet, "subnet", "10.4.0.0/16", "CIDR from which to allocate addressees to WireGuard interfaces.")
for _, subCmd := range []*cobra.Command{

6
docs/vpn.md
View File

@ -31,7 +31,7 @@ Now, the `kgctl` tool can be used to generate the WireGuard configuration for th
```shell
PEER=squat
kgctl --kubeconfig=$KUBECONFIG showconf peer $PEER
kgctl showconf peer $PEER
```
This will produce some output like:
@ -47,7 +47,7 @@ The configuration can then be applied to a local WireGuard interface, e.g. `wg0`
```shell
IFACE=wg0
kgctl --kubeconfig=$KUBECONFIG showconf peer $PEER > peer.ini
kgctl showconf peer $PEER > peer.ini
sudo wg setconf $IFACE peer.ini
```
@ -55,7 +55,7 @@ Finally, in order to access the cluster, the client will need appropriate routes
For example, on a Linux machine, the creation of these routes could be automated by running:
```shell
for ip in $(kgctl --kubeconfig=$KUBECONFIG showconf peer $PEER | grep AllowedIPs | cut -f 3- -d ' ' | tr -d ','); do
for ip in $(kgctl showconf peer $PEER | grep AllowedIPs | cut -f 3- -d ' ' | tr -d ','); do
sudo ip route add $ip dev $IFACE
done
```