/
opa_gatekeeper.go
110 lines (87 loc) · 3.35 KB
/
opa_gatekeeper.go
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// Copyright (c) arkade author(s) 2022. All rights reserved.
// Licensed under the MIT license. See LICENSE file in the project root for full license information.
package apps
import (
"fmt"
"github.com/alexellis/arkade/pkg/config"
"github.com/alexellis/arkade/pkg/apps"
"github.com/alexellis/arkade/pkg/k8s"
"github.com/alexellis/arkade/pkg/types"
"github.com/alexellis/arkade/pkg"
"github.com/spf13/cobra"
)
func MakeInstallOPAGateKeeper() *cobra.Command {
var opaGatekeeper = &cobra.Command{
Use: "opa-gatekeeper",
Short: "Install Open Policy Agent (OPA) Gatekeeper",
Long: `Install Open Policy Agent's Gatekeeper which brings Policy and Governance
for the Kubernetes API.`,
Aliases: []string{"gatekeeper"},
Example: ` arkade install opa-gatekeeper
arkade install opa-gatekeeper --set helmKey=value
arkade install gatekeeper`,
SilenceUsage: true,
}
opaGatekeeper.Flags().Bool("update-repo", true, "Update the helm repo")
// gatekeeper chart default namespace is fixed in helm chart
opaGatekeeper.Flags().StringArray("set", []string{},
"Use custom flags or override existing flags \n(example --set auditInterval=60)")
opaGatekeeper.PreRunE = func(command *cobra.Command, args []string) error {
_, err := command.Flags().GetString("kubeconfig")
if err != nil {
return fmt.Errorf("error with --kubeconfig usage: %s", err)
}
_, err = command.Flags().GetBool("wait")
if err != nil {
return fmt.Errorf("error with --wait usage: %s", err)
}
_, err = command.Flags().GetBool("update-repo")
if err != nil {
return fmt.Errorf("error with --update-repo usage: %s", err)
}
_, err = command.Flags().GetStringArray("set")
if err != nil {
return fmt.Errorf("error with --set usage: %s", err)
}
return nil
}
opaGatekeeper.RunE = func(command *cobra.Command, args []string) error {
kubeConfigPath, _ := command.Flags().GetString("kubeconfig")
wait, _ := command.Flags().GetBool("wait")
updateRepo, _ := command.Flags().GetBool("update-repo")
customFlags, _ := command.Flags().GetStringArray("set")
arch := k8s.GetNodeArchitecture()
fmt.Printf("Node architecture: %q\n", arch)
overrides := map[string]string{}
if err := config.MergeFlags(overrides, customFlags); err != nil {
return err
}
opaGatekeeperAppOptions := types.DefaultInstallOptions().
WithHelmRepo("gatekeeper/gatekeeper").
WithHelmURL("https://open-policy-agent.github.io/gatekeeper/charts").
WithOverrides(overrides).
WithHelmUpdateRepo(updateRepo).
WithKubeconfigPath(kubeConfigPath).
WithWait(wait)
_, err := apps.MakeInstallChart(opaGatekeeperAppOptions)
if err != nil {
return err
}
fmt.Println(opaGatekeeperInstallMsg)
return nil
}
return opaGatekeeper
}
var OPAGatekeeperInfoMsg = `
Open Policy Agent (OPA) Gatekeeper
# Find out more at:
https://github.com/open-policy-agent/gatekeeper
# Learn about how to use gatekeeper
https://github.com/open-policy-agent/gatekeeper#how-to-use-gatekeeper
# Uninstall Gatekeeper
https://github.com/open-policy-agent/gatekeeper#how-to-use-gatekeeper
`
var opaGatekeeperInstallMsg = `=======================================================================
= Open Policy Agent Gatekeeper has been installed. =
=======================================================================` +
"\n\n" + OPAGatekeeperInfoMsg + "\n\n" + pkg.SupportMessageShort