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245 | # File-arrival demo: one workflow shows the common automation building blocks.
# File Monitor trigger -> event-based start
# Linux script -> shell scripts with parameters
# SQL task + variable -> a value from a database, kept for later tasks
# ${_date(..., -1)} -> date calculations
# Web Service task -> REST API call
# PowerShell task -> PowerShell on Windows
# Stop / Start service -> central control of Windows services
#
# Before import: change the agents (linux-agent, windows-agent), the database
# connection (Demo_Mysql) and the credentials (Controller API, linux-admin).
# Run "HUB-DEMO SETUP Workflow" once, then copy a .csv file to /demo/hub_demo/in/.
version: 1
style: compact
create_only: [business_services, credentials, database_connections]
business_services:
- HUB-DEMO: File-arrival demo objects
scripts:
hub_demo_check_file.sh:
scriptType: Script
description: Checks the file that started the workflow.
content: |-
#!/bin/bash
# $1 = the file that the File Monitor trigger found
FILE="$1"
echo "File-arrival demo - file check on $(hostname)"
echo "File: $FILE"
if [ ! -f "$FILE" ]; then
echo "ERROR: file not found"
exit 1
fi
if [ ! -s "$FILE" ]; then
echo "ERROR: file is empty"
exit 2
fi
LINES=$(wc -l < "$FILE")
echo "Size : $(stat -c %s "$FILE") bytes"
echo "Lines: $LINES"
echo "Header: $(head -1 "$FILE")"
echo "File is OK"
exit 0
hub_demo_setup.sh:
scriptType: Script
description: Creates the demo folders and a sample file on the Linux agent. Runs as a sudo user, then gives the folders to ubroker.
content: |-
#!/bin/bash
# Setup for the File-arrival demo. Safe to run again.
# Runs as a sudo user: sudo creates the folders, then ubroker becomes the owner.
BASE=/demo/hub_demo
OWNER=ubroker
echo "Running as: $(id -un)"
if ! sudo -n true 2>/dev/null; then
echo "ERROR: $(id -un) cannot use sudo without a password"
exit 1
fi
sudo mkdir -p "$BASE/in" "$BASE/samples" || exit 1
sudo tee "$BASE/samples/sample.csv" > /dev/null <<'CSV'
period,site,item,count
CURRENT,Site-A,Orders,124
CURRENT,Site-A,Returns,87
CURRENT,Site-B,Orders,96
CURRENT,Site-B,Invoices,231
CSV
sudo chown -R "$OWNER:$(id -gn $OWNER)" "$BASE" || exit 1
sudo chmod -R 775 "$BASE" || exit 1
echo "Demo folders are ready:"
ls -ld /demo
ls -lR "$BASE"
echo
echo "To start the demo (trigger enabled), copy the sample into the inbound folder:"
echo " cp $BASE/samples/sample.csv $BASE/in/data_\$(date +%Y%m%d%H%M%S).csv"
exit 0
hub_demo_report.ps1:
scriptType: Data
description: Writes a small report with the period and the business date.
content: |-
param(
[string]$Period,
[string]$BusinessDate,
[string]$SourceFile
)
Write-Output "File-arrival demo - PowerShell on $env:COMPUTERNAME"
Write-Output "Period name : $Period"
Write-Output "Business date : $BusinessDate (today - 1 day)"
Write-Output "Source file : $SourceFile"
$dir = "C:\demo\hub_demo"
New-Item -ItemType Directory -Force -Path $dir | Out-Null
$out = Join-Path $dir "report_$BusinessDate.txt"
"Period=$Period`r`nBusinessDate=$BusinessDate`r`nSourceFile=$SourceFile`r`nCreated=$(Get-Date -Format s)" |
Out-File -FilePath $out -Encoding utf8
Write-Output "Report written: $out"
exit 0
tasks:
# 1. Event-based trigger: the monitor that the trigger uses
HUB-DEMO Watch Inbound File:
type: File Monitor
agent: linux-agent
fileName: /demo/hub_demo/in/*.csv
fmtype: Created
business_services: [HUB-DEMO]
# 2. Linux script: check the file
HUB-DEMO 01 Check File (Linux):
type: Unix
agent: linux-agent
commandOrScript: Script
script: hub_demo_check_file.sh
parameters: ${_resolve('ops_trigger_file_name', '/demo/hub_demo/samples/sample.csv')}
outputReturnType: OUTERR
outputReturnSline: '1'
outputReturnNline: '100'
business_services: [HUB-DEMO]
# 3. SQL: get the period name, put it in a variable
HUB-DEMO 02 Get Period Name (SQL):
type: Sql
connection: Demo_Mysql
sqlCommand: SELECT UPPER(DATE_FORMAT(CURDATE(), '%b-%y')) AS PERIOD_NAME
actions:
setVariableActions:
- status: Success
variableName: period_name
variableValue: ${_resultsColumn('PERIOD_NAME')}
variableScope: Top Level Parent
business_services: [HUB-DEMO]
# 4. Web Service: call a REST API
HUB-DEMO 03 Call REST API:
type: Web Service
url: https://your-controller.example.com/resources/agents/list
httpMethod: GET
httpAuth: Basic
credentials: Controller API
httpHeaders:
- Accept: application/json
business_services: [HUB-DEMO]
# 5. PowerShell on Windows, with the period and the date - 1 day
HUB-DEMO 04 PowerShell Report (Windows):
type: Windows
agent: windows-agent
command: powershell -NoProfile -ExecutionPolicy Bypass -File "${_scriptPath('hub_demo_report.ps1')}"
-Period "${period_name}" -BusinessDate "${business_date}"
-SourceFile "${_resolve('ops_trigger_file_name', 'manual run')}"
variables:
- business_date: ${_date('yyyy-MM-dd', -1)}
outputReturnType: OUTERR
outputReturnSline: '1'
outputReturnNline: '100'
business_services: [HUB-DEMO]
# 6. Windows service: stop and start
HUB-DEMO 05 Stop Windows Service:
type: Windows
agent: windows-agent
command: powershell -NoProfile -Command "Stop-Service -Name '${win_service}' -Force -ErrorAction Stop;
Get-Service -Name '${win_service}' | Format-Table Name, DisplayName, Status -AutoSize"
outputReturnType: OUTERR
outputReturnSline: '1'
outputReturnNline: '100'
business_services: [HUB-DEMO]
HUB-DEMO 06 Start Windows Service:
type: Windows
agent: windows-agent
command: powershell -NoProfile -Command "Start-Service -Name '${win_service}' -ErrorAction Stop;
Get-Service -Name '${win_service}' | Format-Table Name, DisplayName, Status -AutoSize"
outputReturnType: OUTERR
outputReturnSline: '1'
outputReturnNline: '100'
business_services: [HUB-DEMO]
# Setup: folders and files for the demo
HUB-DEMO SETUP Linux Folders:
type: Unix
agent: linux-agent
commandOrScript: Script
script: hub_demo_setup.sh
credentials: linux-admin
outputReturnType: OUTERR
outputReturnSline: '1'
outputReturnNline: '100'
business_services: [HUB-DEMO]
HUB-DEMO SETUP Windows Folder:
type: Windows
agent: windows-agent
command: powershell -NoProfile -Command "New-Item -ItemType Directory -Force -Path 'C:\demo\hub_demo' | Out-Null;
Get-Item 'C:\demo\hub_demo' | Format-List FullName, CreationTime;
Get-Service -Name '${win_service}' | Format-Table Name, DisplayName, Status -AutoSize"
outputReturnType: OUTERR
outputReturnSline: '1'
outputReturnNline: '100'
business_services: [HUB-DEMO]
HUB-DEMO SETUP Workflow:
type: Workflow
summary: Creates the folders and the sample file for the File-arrival demo. Run it once before the demo.
variables:
- win_service: Spooler
business_services: [HUB-DEMO]
tasks:
HUB-DEMO SETUP Linux Folders:
position: [60, 120]
HUB-DEMO SETUP Windows Folder:
position: [60, 260]
HUB-DEMO Inbound File Workflow:
type: Workflow
summary: File-arrival demo - file arrives, Linux, SQL, REST, PowerShell, Windows service.
variables:
- win_service: Spooler
business_services: [HUB-DEMO]
tasks:
HUB-DEMO 01 Check File (Linux):
position: [60, 120]
HUB-DEMO 02 Get Period Name (SQL):
after: HUB-DEMO 01 Check File (Linux)
position: [300, 120]
HUB-DEMO 03 Call REST API:
after: HUB-DEMO 02 Get Period Name (SQL)
position: [540, 120]
HUB-DEMO 04 PowerShell Report (Windows):
after: HUB-DEMO 03 Call REST API
position: [780, 120]
HUB-DEMO 05 Stop Windows Service:
after: HUB-DEMO 04 PowerShell Report (Windows)
position: [1020, 120]
HUB-DEMO 06 Start Windows Service:
after: HUB-DEMO 05 Stop Windows Service
position: [1260, 120]
triggers:
HUB-DEMO File Arrived:
type: File Monitor
description: Starts the File-arrival demo workflow when a .csv file arrives in /demo/hub_demo/in.
taskMonitor: HUB-DEMO Watch Inbound File
tasks: [HUB-DEMO Inbound File Workflow]
calendar: System Default
business_services: [HUB-DEMO]
|
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