Add an EMS simulator

Change-Id: I4fedf9a812e19033e7f9a1bff55eae264bc5122f
Issue-ID: INT-1041
Signed-off-by: Enbo Wang <wangenbo@huawei.com>

1 files changed, 127 insertions, 0 deletions

diff --git a/test/mocks/emssimulator/swm/swFallback b/test/mocks/emssimulator/swm/swFallback
new file mode 100755
index 000000000..9d6608c23
--- /dev/null
+++ b/test/mocks/emssimulator/swm/swFallback
@@ -0,0 +1,127 @@
+#!/usr/bin/python
+
+import argparse
+import json
+import sys
+import os
+import shutil
+
+import conf
+import ems_util
+
+
+def sw_fallback(ne_info_list):
+    ne_list = []
+    num_failure = 0
+
+    for ne_info in ne_info_list:
+        if ne_info.get("status") == conf.STATUS_DOWNLOADING:
+            ne_info["status"] = conf.STATUS_ACTIVATED
+            ems_util.update_ne_info(ne_info)
+
+            ne_entry = {
+                "nEIdentification": ne_info["nEIdentification"],
+                "swFallbackStatus": "fallbackSuccessful"
+            }
+            ne_list.append(ne_entry)
+            continue
+
+        sw_install_dir_in_ne = conf.PNF_SIMULATORS_DIR + '/' + ne_info['omIP'] + conf.PNF_SW_INSTALL_DIR
+
+        if ne_info.get("status") == conf.STATUS_INSTALLING:
+            old_sw_version = ne_info.get("currentSwVersion", "")
+            current_sw_version = ne_info.get("targetSwVersion", "")
+        else:
+            old_sw_version = ne_info.get("oldSwVersion", "")
+            current_sw_version = ne_info.get("currentSwVersion", "")
+
+        old_sw_dir = sw_install_dir_in_ne + '/' + old_sw_version
+
+        if not old_sw_version or not os.path.isdir(old_sw_dir):
+            ne_entry = {
+                "nEIdentification": ne_info["nEIdentification"],
+                "swFallbackStatus": "fallbackUnsuccessful"
+            }
+            ne_list.append(ne_entry)
+
+            num_failure += 1
+            continue
+
+        current_sw_dir = sw_install_dir_in_ne + '/' + current_sw_version
+
+        if current_sw_version and os.path.isdir(current_sw_dir) and current_sw_dir != old_sw_dir:
+            shutil.rmtree(current_sw_dir, ignore_errors=True)
+
+        old_cwd = os.getcwd()
+        os.chdir(sw_install_dir_in_ne)
+        if os.path.islink(conf.CURRENT_VERSION_DIR):
+            os.remove(conf.CURRENT_VERSION_DIR)
+        os.symlink(old_sw_version, conf.CURRENT_VERSION_DIR)
+        os.chdir(old_cwd)
+
+        installed_sw_db = old_sw_dir + '/' + conf.INSTALLED_SW
+        if os.path.isfile(installed_sw_db):
+            with open(installed_sw_db) as f_installed_sw:
+                installed_sw_table = json.load(f_installed_sw)
+            if not installed_sw_table:
+                installed_sw_table = {}
+        else:
+            installed_sw_table = {}
+
+        ne_info["installedSw"] = installed_sw_table
+        if "oldSwVersion" in ne_info:
+            ne_info["currentSwVersion"] = ne_info["oldSwVersion"]
+            del ne_info["oldSwVersion"]
+
+        if "targetSwVersion" in ne_info:
+            del ne_info["targetSwVersion"]
+
+        if "downloadedSwLocation" in ne_info:
+            if os.path.isdir(ne_info["downloadedSwLocation"]):
+                shutil.rmtree(ne_info["downloadedSwLocation"], ignore_errors=True)
+            del ne_info["downloadedSwLocation"]
+
+        ne_info["status"] = conf.STATUS_ACTIVATED
+        ems_util.update_ne_info(ne_info)
+
+        ne_entry = {
+            "nEIdentification": ne_info["nEIdentification"],
+            "swFallbackStatus": "fallbackSuccessful"
+        }
+        ne_list.append(ne_entry)
+
+    if num_failure == 0:
+        result = conf.RESULT_SUCCESS
+    elif num_failure == len(ne_info_list):
+        result = conf.RESULT_FAILURE
+    else:
+        result = conf.RESULT_PARTLY
+
+    ret_value = {
+        "nEList": ne_list,
+        "result": result
+    }
+
+    return ret_value
+
+
+def main():
+    parser = argparse.ArgumentParser()
+
+    parser.add_argument("--filter", help="To describe properties of the NEs to be selected", required=True)
+
+    args = parser.parse_args()
+
+    ne_info_list = ems_util.get_ne_info_list_from_db(args.filter)
+
+    ret_value = sw_fallback(ne_info_list)
+    print json.dumps(ret_value)
+
+    if ret_value["result"] == conf.RESULT_SUCCESS:
+        sys.exit(conf.RET_CODE_SUCCESS)
+    else:
+        sys.exit(conf.RET_CODE_FAILURE)
+
+
+if __name__ == '__main__':
+    main()