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feat: implements apis for managing headscale policy (#1792)
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Original file line number | Diff line number | Diff line change |
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package cli | ||
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import ( | ||
"io" | ||
"os" | ||
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"github.com/rs/zerolog/log" | ||
"github.com/spf13/cobra" | ||
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v1 "github.com/juanfont/headscale/gen/go/headscale/v1" | ||
) | ||
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func init() { | ||
rootCmd.AddCommand(policyCmd) | ||
policyCmd.AddCommand(getPolicy) | ||
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setPolicy.Flags().StringP("file", "f", "", "Path to a policy file in HuJSON format") | ||
if err := setPolicy.MarkFlagRequired("file"); err != nil { | ||
log.Fatal().Err(err).Msg("") | ||
} | ||
policyCmd.AddCommand(setPolicy) | ||
} | ||
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var policyCmd = &cobra.Command{ | ||
Use: "policy", | ||
Short: "Manage the Headscale ACL Policy", | ||
} | ||
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var getPolicy = &cobra.Command{ | ||
Use: "get", | ||
Short: "Print the current ACL Policy", | ||
Aliases: []string{"show", "view", "fetch"}, | ||
Run: func(cmd *cobra.Command, args []string) { | ||
ctx, client, conn, cancel := getHeadscaleCLIClient() | ||
defer cancel() | ||
defer conn.Close() | ||
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request := &v1.GetPolicyRequest{} | ||
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response, err := client.GetPolicy(ctx, request) | ||
if err != nil { | ||
log.Fatal().Err(err).Msg("Failed to get the policy") | ||
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return | ||
} | ||
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// TODO(pallabpain): Maybe print this better? | ||
SuccessOutput("", response.GetPolicy(), "hujson") | ||
}, | ||
} | ||
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var setPolicy = &cobra.Command{ | ||
Use: "set", | ||
Short: "Updates the ACL Policy", | ||
Long: ` | ||
Updates the existing ACL Policy with the provided policy. The policy must be a valid HuJSON object. | ||
This command only works when the acl.policy_mode is set to "db", and the policy will be stored in the database.`, | ||
Aliases: []string{"put", "update"}, | ||
Run: func(cmd *cobra.Command, args []string) { | ||
policyPath, _ := cmd.Flags().GetString("file") | ||
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f, err := os.Open(policyPath) | ||
if err != nil { | ||
log.Fatal().Err(err).Msg("Error opening the policy file") | ||
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return | ||
} | ||
defer f.Close() | ||
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policyBytes, err := io.ReadAll(f) | ||
if err != nil { | ||
log.Fatal().Err(err).Msg("Error reading the policy file") | ||
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return | ||
} | ||
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request := &v1.SetPolicyRequest{Policy: string(policyBytes)} | ||
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ctx, client, conn, cancel := getHeadscaleCLIClient() | ||
defer cancel() | ||
defer conn.Close() | ||
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if _, err := client.SetPolicy(ctx, request); err != nil { | ||
log.Fatal().Err(err).Msg("Failed to set ACL Policy") | ||
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return | ||
} | ||
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SuccessOutput(nil, "Policy updated.", "") | ||
}, | ||
} |
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