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Add hetznercloud network, firewall and ssh-key options #4

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Jul 23, 2023
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69 changes: 57 additions & 12 deletions drivers/hetznercloud/driver.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,9 @@ import (
var (
ErrIllegalLablePrefix = errors.New("illegal label prefix")
ErrImageNotFound = errors.New("image not found")
ErrSSHKeyNotFound = errors.New("SSH key not found")
ErrNetworkNotFound = errors.New("network not found")
ErrFirewallNotFound = errors.New("firewall not found")
)

var optionUserDataDefault = `
Expand Down Expand Up @@ -72,14 +75,18 @@ type Driver struct {
ServerType string
UserData *template.Template
Image string
SSHKeyID int
SSHKeys []string
LabelPrefix string
LabelPool string
LabelImage string
DefaultLabels map[string]string
Labels map[string]string
Config *config.Config
Location string
Networks []string
Firewalls []string
EnableIPv4 bool
EnableIPv6 bool
Name string
client *hcloud.Client
}
Expand All @@ -91,7 +98,11 @@ func New(c *cli.Context, config *config.Config, name string) (engine.Provider, e
Location: c.String("hetznercloud-location"),
ServerType: c.String("hetznercloud-server-type"),
Image: c.String("hetznercloud-image"),
SSHKeyID: c.Int("hetznercloud-ssh-key-id"),
SSHKeys: c.StringSlice("hetznercloud-ssh-keys"),
Firewalls: c.StringSlice("hetznercloud-firewalls"),
Networks: c.StringSlice("hetznercloud-networks"),
EnableIPv4: c.Bool("hetznercloud-public-ipv4-enable"),
EnableIPv6: c.Bool("hetznercloud-public-ipv6-enable"),
LabelPrefix: "wp.scaler/",
Config: config,
}
Expand Down Expand Up @@ -129,14 +140,6 @@ func New(c *cli.Context, config *config.Config, name string) (engine.Provider, e
}

func (d *Driver) DeployAgent(ctx context.Context, agent *woodpecker.Agent) error {
sshKeys := []*hcloud.SSHKey{}

if d.SSHKeyID > 0 {
sshKeys = append(sshKeys, &hcloud.SSHKey{
ID: d.SSHKeyID,
})
}

labels := engine.MergeMaps(d.DefaultLabels, d.Labels)

userdataString, err := engine.RenderUserDataTemplate(d.Config, agent, d.UserData)
Expand All @@ -152,6 +155,42 @@ func (d *Driver) DeployAgent(ctx context.Context, agent *woodpecker.Agent) error
return fmt.Errorf("%s: %w: %s", d.Name, ErrImageNotFound, d.Image)
}

sshKeys := make([]*hcloud.SSHKey, 0)
for _, item := range d.SSHKeys {
key, _, err := d.client.SSHKey.GetByName(ctx, item)
if err != nil {
return fmt.Errorf("%s: %w", d.Image, err)
}
if key == nil {
return fmt.Errorf("%s: %w: %s", d.Name, ErrSSHKeyNotFound, item)
}
sshKeys = append(sshKeys, key)
}

networks := make([]*hcloud.Network, 0)
for _, item := range d.Networks {
network, _, err := d.client.Network.GetByName(ctx, item)
if err != nil {
return fmt.Errorf("%s: %w", d.Image, err)
}
if network == nil {
return fmt.Errorf("%s: %w: %s", d.Name, ErrNetworkNotFound, item)
}
networks = append(networks, network)
}

firewalls := make([]*hcloud.ServerCreateFirewall, 0)
for _, item := range d.Firewalls {
fw, _, err := d.client.Firewall.GetByName(ctx, item)
if err != nil {
return fmt.Errorf("%s: %w", d.Image, err)
}
if fw == nil {
return fmt.Errorf("%s: %w: %s", d.Name, ErrFirewallNotFound, item)
}
firewalls = append(firewalls, &hcloud.ServerCreateFirewall{Firewall: hcloud.Firewall{ID: fw.ID}})
}

_, _, err = d.client.Server.Create(ctx, hcloud.ServerCreateOpts{
Name: agent.Name,
UserData: userdataString,
Expand All @@ -162,8 +201,14 @@ func (d *Driver) DeployAgent(ctx context.Context, agent *woodpecker.Agent) error
ServerType: &hcloud.ServerType{
Name: d.ServerType,
},
SSHKeys: sshKeys,
Labels: labels,
SSHKeys: sshKeys,
Networks: networks,
Firewalls: firewalls,
Labels: labels,
PublicNet: &hcloud.ServerCreatePublicNet{
EnableIPv4: d.EnableIPv4,
EnableIPv6: d.EnableIPv6,
},
})
if err != nil {
return fmt.Errorf("%s: %w", d.Name, err)
Expand Down
35 changes: 30 additions & 5 deletions drivers/hetznercloud/flags.go
Original file line number Diff line number Diff line change
Expand Up @@ -31,11 +31,10 @@ var DriverFlags = []cli.Flag{
EnvVars: []string{"WOODPECKER_HETZNERCLOUD_SERVER_TYPE"},
Category: category,
},
&cli.IntFlag{
Name: "hetznercloud-ssh-key-id",
Value: -1,
Usage: "id of a hetzner cloud ssh key",
EnvVars: []string{"WOODPECKER_HETZNERCLOUD_SSH_KEY_ID"},
&cli.StringSliceFlag{
Name: "hetznercloud-ssh-keys",
Usage: "names of a hetzner cloud ssh keys",
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EnvVars: []string{"WOODPECKER_HETZNERCLOUD_SSH_KEYS"},
Category: category,
},
&cli.StringFlag{
Expand All @@ -58,4 +57,30 @@ var DriverFlags = []cli.Flag{
EnvVars: []string{"WOODPECKER_HETZNERCLOUD_LABELS"},
Category: category,
},
&cli.StringSliceFlag{
Name: "hetznercloud-firewalls",
Usage: "hetzner cloud firewalls",
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EnvVars: []string{"WOODPECKER_HETZNERCLOUD_FIREWALLS"},
Category: category,
},
&cli.StringSliceFlag{
Name: "hetznercloud-networks",
Usage: "hetzner cloud networks",
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EnvVars: []string{"WOODPECKER_HETZNERCLOUD_NETWORKS"},
Category: category,
},
&cli.BoolFlag{
Name: "hetznercloud-public-ipv4-enable",
Value: true,
Usage: "enables hetzner cloud public ipv4 network",
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EnvVars: []string{"WOODPECKER_HETZNERCLOUD_PUBLIC_IPV4_ENABLE"},
Category: category,
},
&cli.BoolFlag{
Name: "hetznercloud-public-ipv6-enable",
Value: true,
Usage: "enables hetzner cloud public ipv6 network",
EnvVars: []string{"WOODPECKER_HETZNERCLOUD_PUBLIC_IPV6_ENABLE"},
Category: category,
},
}