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## TODO - check syntax
from common import core as common
import config as config
from modules.nifi import nifi_utils as nifi_utils
from pyfiglet import figlet_format
from rich.console import Console
import sys
import json
import shutil
import requests
import re
def introduction():
console = Console()
ascii_art = figlet_format("Nifi")
console.print(ascii_art, style="cyan")
print("Valisid Nifi Platformi!\n")
def update_template(file_path, dot_path, new_key, new_value):
# Step 2: Load the copied JSON
with open(file_path, "r") as f:
data = json.load(f)
# Step 3: Walk the path (e.g. 'flowContents.processors[0].properties')
keys = dot_path.split(".")
current = data
for key in keys:
if key.endswith("]"): # Handle list index like processors[0]
list_key = key[:key.index("[")]
index = int(key[key.index("[") + 1 : key.index("]")])
current = current[list_key][index]
else:
current = current[key]
# Step 4: Add or update the key
current[new_key] = new_value
print(f"🛠 Added '{new_key}': '{new_value}' at path '{dot_path}'")
# Step 5: Save back the JSON
with open(file_path, "w") as f:
json.dump(data, f, indent=2)
print("✅ Changes saved.")
def set_database_credentials(file_path,dot_path):
## Update URL
update_template(file_path, dot_path, "HTTP URL", config.DB_URL)
## Update username
update_template(file_path, dot_path, "username", config.DB_USER)
## Update username
update_template(file_path, dot_path, "password", config.DB_PASS)
def get_data_values():
chosen_json_values = {}
##Getting API url and json values
while True:
api_url = input("Palun sisesta andmete API URL: ").strip()
username = "placeholder"
passwd = "placeholder"
needs_auth = common.ask_binary_input(prompt="Kas API vajab ka kasutajaga autentimist?(jah/ei): ").strip().lower() == 'jah'
if needs_auth:
username=input("Sisesta kasutajanimi: ")
passwd=input("Sisesta parool: ")
json_data, api_url_correct = common.is_app_url_correct(api_url,needs_auth,username,passwd)
## TODO itemite eemaldamise v6malus
if api_url_correct:
while True:
chosen_json_values.update(common.inspect_json_top_level_test(json_data))
## Testing
print("Oled hetkel valinud järgmised väärtused JSON lõppväärtused: ", ", ".join(chosen_json_values))
choose_another = common.ask_binary_input(prompt="\nKas soovid (v)alida veel mõne väärtuse või liikuda (e)dasi?(v/e): ",valikud=["v","e"]).strip().lower()
if choose_another == 'e':
return chosen_json_values
else:
choice = common.ask_binary_input(prompt="\nKas soovid URL-i (m)uuta URL-i või (v)äljuda?(m/v): ",valikud=["m","v"]).strip().lower()
if choice == 'v':
print("Väljun programmist.")
sys.exit()
## TODO - textReplace part -> fix templates
def modify_all_processors(data_values, schedulingPeriod, new_pipeline_name):
############### Choosing and modfyfing Template ##############
### Check if splitJson template needed
needs_SplitJson = False
path_parts = []
for el in data_values.values():
if '[' in el:
needs_SplitJson = True
#path_parts = el.split(']')
path_parts = re.split(r'(?<=\])', el)
### Select template
## TODO - currently has only 2 templates...
if needs_SplitJson:
template_name="splitJsonETL.json"
else:
template_name="basic_ETL.json"
new_pipeline_path = f"pipelines/{new_pipeline_name}"
shutil.copy(f"modules/nifi/templates/{template_name}", new_pipeline_path)
### Processor editing
measurements_name = config.NIFI_MEASUREMENT_NAME+" "
if needs_SplitJson:
## SplitJson update
split_json_path = "$"+re.sub(r'\[(.*?)\]', r'[*]', path_parts[0])
update_template(new_pipeline_path, "flowContents.processors[3].properties", "JsonPath Expression", split_json_path)
## EvaluateJsonPath processor setup
for key, value in data_values.items() :
path_parts = value.split(']')
update_template(new_pipeline_path, "flowContents.processors[2].properties", key, "$"+path_parts[1])
measurements_name+=f",{key}=${{{key}}}"
## Database Setup
set_database_credentials(new_pipeline_path, "flowContents.processors[4].properties")
else:
## EvaluateJsonPath processor setup
for key, value in data_values.items() :
update_template(new_pipeline_path, "flowContents.processors[2].properties", key, "$"+value)
measurements_name+=f",{key}=${{{key}}}"
## Database Setup
set_database_credentials(new_pipeline_path, "flowContents.processors[3].properties")
## ReplaceText processor update - making it compatible for timeseries database (influxDB)
update_template(new_pipeline_path, "flowContents.processors[0].properties", "Replacement Value", measurements_name)
## Update scheduling Periond on API Calls
update_template(new_pipeline_path, "flowContents.processors[1]", "schedulingPeriod", schedulingPeriod)
###############################################
def build_pipeline():
data_values = {}
if config.INTERACTIVE_MODE:
data_values = get_data_values()
print("\nKui tihti peaks andmekonveier jooksma? (sekundites)")
schedulingPeriod = str(common.ask_digit_input(86400))+ "sec"
new_pipeline_name=input("Mis saab andmekonveieri nimeks: ")+".json"
else:
data_values = config.API_FIELDS
schedulingPeriod = config.PIPELINE_SCHEDULING_PERIOD
new_pipeline_name=config.PIPELINE_NAME
modify_all_processors(data_values, schedulingPeriod, new_pipeline_name)
print(f"✅✅✅ Valmis. Uus genereeritud andmekoveier asub kaustas 'pipelines'")
## Pipeline Deployment
if (config.NIFI_DEPLOY):
nifi_utils.upload_nifi_exported_flow( nifi_host=config.NIFI_HOST, username=config.NIFI_USER, password=config.NIFI_PASS, json_file_path="pipelines/test_pipeline.json", verify_ssl=False)
print("Andmekonveier on deploytud - TODO")
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