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install.go
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install.go
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/*
* Copyright (C) 2021 Canonical Ltd
* Copyright (C) 2023 Intel Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software distributed under the License
* is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
* or implied. See the License for the specific language governing permissions and limitations under
* the License.
*
* SPDX-License-Identifier: Apache-2.0
*/
package main
import (
"io/ioutil"
"os"
"path/filepath"
"strings"
hooks "github.com/canonical/edgex-snap-hooks/v3"
"github.com/canonical/edgex-snap-hooks/v3/env"
"github.com/canonical/edgex-snap-hooks/v3/log"
"github.com/canonical/edgex-snap-hooks/v3/snapctl"
)
// Default value of EDGEX_ADD_SECRETSTORE_TOKENS and EDGEX_ADD_REGISTRY_ACL_ROLES
// The device-rest and device-virtual are already set in /cmd/security-file-token-provider/res/token-config.json
var secretStoreTokens = []string{
"app-functional-tests",
"app-rules-engine",
"app-http-export",
"app-mqtt-export",
"app-external-mqtt-trigger",
"app-push-to-core",
"app-rfid-llrp-inventory",
"application-service",
"device-mqtt",
"device-modbus",
"device-coap",
"device-snmp",
"device-gpio",
"device-bacnet",
"device-rfid-llrp",
"device-usb-camera",
"device-onvif-camera",
"edgex-ekuiper",
}
// Default value of EDGEX_ADD_KNOWN_SECRETS
var secretStoreKnownSecrets = []string{
"redisdb[device-rest]",
"redisdb[device-virtual]",
"redisdb[app-functional-tests]",
"redisdb[app-rules-engine]",
"redisdb[app-http-export]",
"redisdb[app-mqtt-export]",
"redisdb[app-external-mqtt-trigger]",
"redisdb[app-push-to-core]",
"redisdb[app-rfid-llrp-inventory]",
"redisdb[application-service]",
"redisdb[device-mqtt]",
"redisdb[device-modbus]",
"redisdb[device-coap]",
"redisdb[device-snmp]",
"redisdb[device-gpio]",
"redisdb[device-bacnet]",
"redisdb[device-rfid-llrp]",
"redisdb[device-usb-camera]",
"redisdb[device-onvif-camera]",
"redisdb[edgex-ekuiper]",
}
var (
snapConf = env.Snap + "/config"
snapDataConf = env.SnapData + "/config"
)
// installConfFiles copies service configuration files from $SNAP to $SNAP_DATA
func installConfFiles() error {
var err error
// services w/configuration that needs to be copied
// to $SNAP_DATA
var servicesWithConfig = []string{
securitySecretsConfig,
securityBootstrapper,
securityBootstrapperRedis,
securityFileTokenProvider,
securityProxyAuth,
securitySecretStoreSetup,
coreCommonConfigBootstrapper,
coreCommand,
coreData,
coreMetadata,
supportNotifications,
supportScheduler,
}
for _, v := range servicesWithConfig {
destDir := snapDataConf + "/"
srcDir := snapConf + "/"
// handle exceptions (i.e. config in non-std dirs)
if v == securityBootstrapperRedis {
destDir = destDir + "security-bootstrapper/res-bootstrap-redis"
srcDir = srcDir + "security-bootstrapper/res-bootstrap-redis"
} else {
destDir = destDir + v + "/res"
srcDir = srcDir + v + "/res"
}
err = hooks.CopyDir(srcDir, destDir)
if err != nil {
return err
}
}
return nil
}
func installSecretStore() error {
var err error
// Set the default value of EDGEX_ADD_SECRETSTORE_TOKENS via snap option
if err = snapctl.Set("apps.security-secretstore-setup.config.edgex-add-secretstore-tokens",
strings.Join(secretStoreTokens, ",")).Run(); err != nil {
return err
}
// Set the default value of EDGEX_ADD_KNOWN_SECRETS via snap option
if err = snapctl.Set("apps.security-secretstore-setup.config.edgex-add-known-secrets",
strings.Join(secretStoreKnownSecrets, ",")).Run(); err != nil {
return err
}
if err = os.MkdirAll(env.SnapData+"/secrets", 0700); err != nil {
return err
}
path := "/security-file-token-provider/res/token-config.json"
if err = hooks.CopyFile(snapConf+path, snapDataConf+path); err != nil {
return err
}
if err = os.MkdirAll(snapDataConf+"/security-secret-store", 0755); err != nil {
return err
}
path = "/security-secret-store/vault-config.hcl"
destPath := snapDataConf + path
if err = hooks.CopyFile(snapConf+path, destPath); err != nil {
return err
}
if err = os.Chmod(destPath, 0644); err != nil {
return err
}
return nil
}
func installConsul() error {
var err error
// Set the default value of EDGEX_ADD_REGISTRY_ACL_ROLES via snap option
// using the same list of services as used in EDGEX_ADD_KNOWN_SECRETS
if err = snapctl.Set("apps.security-bootstrapper.config.edgex-add-registry-acl-roles",
strings.Join(secretStoreTokens, ",")).Run(); err != nil {
return err
}
if err = os.MkdirAll(env.SnapData+"/consul/data", 0755); err != nil {
return err
}
if err = hooks.CopyDir(snapConf+"/consul", env.SnapData+"/consul/config"); err != nil {
return err
}
return nil
}
// installProxy handles initialization of the API Gateway.
func installProxy() error {
var err error
if err = os.MkdirAll(env.SnapCommon+"/nginx/logs", 0755); err != nil {
return err
}
if err = hooks.CopyDir(snapConf+"/nginx", env.SnapData+"/nginx"); err != nil {
return err
}
return nil
}
// This function creates the redis config dir under $SNAP_DATA,
// and creates an empty redis.conf file. This allows the command
// line for the service to always specify the config file, and
// allows running redis with or without security config
func installRedis() error {
fileName := filepath.Join(env.SnapData, "/redis/conf/redis.conf")
if _, err := os.Stat(filepath.Join(env.SnapData, "redis")); err != nil {
// dir doesn't exist
if err := os.MkdirAll(filepath.Dir(fileName), 0755); err != nil {
return err
}
if err := ioutil.WriteFile(fileName, nil, 0644); err != nil {
return err
}
}
return nil
}
func install() {
log.SetComponentName("install")
var err error
if err = installConfFiles(); err != nil {
log.Fatalf("Error installing config files: %v", err)
}
if err = installSecretStore(); err != nil {
log.Fatalf("Error installing secret store: %v", err)
}
if err = installConsul(); err != nil {
log.Fatalf("Error installing consul: %v", err)
}
if err = installProxy(); err != nil {
log.Fatalf("Error installing proxy: %v", err)
}
if err = installRedis(); err != nil {
log.Fatalf("Error installing redis: %v", err)
}
}