ntsimulator/ntsim-ng/core/app/blank.c

   1 /*************************************************************************
   2 *
   3 * Copyright 2021 highstreet technologies GmbH and others
   4 *
   5 * Licensed under the Apache License, Version 2.0 (the "License");
   6 * you may not use this file except in compliance with the License.
   7 * You may obtain a copy of the License at
   8 *
   9 *     http://www.apache.org/licenses/LICENSE-2.0
  10 *
  11 * Unless required by applicable law or agreed to in writing, software
  12 * distributed under the License is distributed on an "AS IS" BASIS,
  13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 * See the License for the specific language governing permissions and
  15 * limitations under the License.
  16 ***************************************************************************/
  17
  18 #define _GNU_SOURCE
  19
  20 #include "blank.h"
  21 #include "utils/log_utils.h"
  22 #include "utils/sys_utils.h"
  23 #include "utils/nts_utils.h"
  24 #include <stdio.h>
  25 #include <assert.h>
  26
  27 #include "core/framework.h"
  28 #include "core/container.h"
  29 #include "core/session.h"
  30 #include "core/nc_config.h"
  31
  32 #define DOCKER_DEPLOY_ZIP   "/opt/dev/deploy.zip"
  33 #define FTP_DEPLOY_ZIP      "/ftp/deploy.zip"
  34
  35 //checkAL: see all todos if doing also YANG-install through netopeer
  36
  37 int blank_run(void) {
  38     log_add_verbose(1, LOG_COLOR_BOLD_YELLOW"running as BLANK NTS daemon...\n"LOG_COLOR_RESET);
  39     log_add_verbose(1, LOG_COLOR_BOLD_YELLOW"Docker IP:"LOG_COLOR_RESET" %s\n", framework_environment.settings.ip_v6_enabled ? framework_environment.settings.ip_v6 : framework_environment.settings.ip_v4);
  40
  41     char shell_command[512];
  42
  43     if(session_init() != NTS_ERR_OK) {
  44         log_error("session_init() failed\n");
  45         return NTS_ERR_FAILED;
  46     }
  47
  48     if(netconf_configure() != NTS_ERR_OK) {
  49         log_error("netconf_configure() failed\n")
  50         return NTS_ERR_FAILED;
  51     }
  52
  53     session_free();
  54
  55     vsftp_daemon_init();
  56     sftp_daemon_init();
  57
  58     //todo: run netopeer
  59
  60     char *zipfile = DOCKER_DEPLOY_ZIP;
  61     if(file_exists(zipfile)) {
  62         goto blank_install_zip;
  63     }
  64     else {
  65         log_add_verbose(2, "%s was not found, waiting for deploy.zip on other means...\n");
  66     }
  67
  68 blank_run_wait_for_file:
  69     while(!framework_sigint) {
  70         zipfile = FTP_DEPLOY_ZIP;
  71         if(file_exists(zipfile)) {
  72             goto blank_install_zip;
  73         }
  74
  75         //todo: check netopeer for data
  76
  77         sleep(1);
  78     }
  79
  80     vsftp_daemon_deinit();
  81     sftp_daemon_deinit();
  82
  83     log_error("blank image daemon was called to stop before installing anything\n");
  84     return NTS_ERR_FAILED;
  85
  86
  87 blank_install_zip: {
  88         log_add_verbose(1, "found deploy.zip in "LOG_COLOR_BOLD_BLUE"%s"LOG_COLOR_RESET"\n", zipfile);
  89         log_add_verbose(1, "starting install...\n");
  90
  91         //check if zip is ok
  92         sprintf(shell_command, "unzip -qq -t %s", zipfile);
  93         if(system(shell_command) != 0) {
  94             log_error("%s invalid ZIP file\n", zipfile);
  95             goto blank_install_failed;
  96         }
  97
  98         //unzip to /opt/dev/deploy
  99         sprintf(shell_command, "unzip -qq %s -d /opt/dev/deploy", zipfile);
 100         if(system(shell_command) != 0) {
 101             log_error("unzip filed for unknown reason\n", zipfile);
 102             goto blank_install_failed;
 103         }
 104
 105         if(strcmp(zipfile, FTP_DEPLOY_ZIP) == 0) {
 106             sprintf(shell_command, "rm -f %s", zipfile);
 107             if(system(shell_command) != 0) {
 108                 log_error("failed to remove %s\n", zipfile);
 109             }
 110         }
 111
 112         if(!file_exists("/opt/dev/deploy/config.json")) {
 113             log_error("/opt/dev/deploy/config.json not found!\n");
 114             goto blank_install_failed;
 115         }
 116
 117         //move /opt/dev/deploy/config.json to /opt/dev/ntsim-ng/config/config.json
 118         system("mv /opt/dev/deploy/config.json /opt/dev/ntsim-ng/config/config.json");
 119
 120         //todo: kill netopeer
 121
 122         //run container_self_init()
 123         if(!container_self_init()) {
 124             log_error("container_self_init() error\n");
 125             goto blank_install_failed;
 126         }
 127
 128         //send SIGUSR1 to supervisor to reload everything and start fresh
 129         kill(1, SIGUSR1);
 130
 131         log_add_verbose(1, LOG_COLOR_BOLD_GREEN"blank image successfully replaced!"LOG_COLOR_RESET"\n");
 132         vsftp_daemon_deinit();
 133         sftp_daemon_deinit();
 134
 135         return NTS_ERR_OK;
 136     }
 137
 138 blank_install_failed: {
 139         //remove zipfile
 140         sprintf(shell_command, "rm -rf %s", zipfile);
 141         system(shell_command);
 142
 143         system("rm -rf /opt/dev/deploy");
 144
 145         log_error("%s failed to install...\n", zipfile);
 146         log_error("try again with new file...\n");
 147         goto blank_run_wait_for_file;
 148     }
 149 }