Check Tentacles for available upgrades

$ErrorActionPreference = "Stop";

# Define working variables
$octopusURL = "https://your-octopus-url/api"
$octopusAPIKey = "API-YOUR-KEY"
$header = @{ "X-Octopus-ApiKey" = $octopusAPIKey }
$spaceName = "Default"

# Get space id
$spaces = Invoke-RestMethod -Method Get -Uri "$octopusURL/spaces/all" -Headers $header -ErrorVariable octoError
$space = $spaces | Where-Object { $_.Name -eq $spaceName }
Write-Host "Using Space named $($space.Name) with id $($space.Id)"

# Create space specific url
$octopusSpaceUrl = "$octopusURL/$($space.Id)"

# Get tentacles
$targets = Invoke-RestMethod -Method Get -Uri "$octopusSpaceUrl/machines/all" -Headers $header -ErrorVariable octoError
$workers = Invoke-RestMethod -Method Get -Uri "$octopusSpaceUrl/workers/all" -Headers $header -ErrorVariable octoError

($targets + $workers)
| Where-Object { $_.Endpoint -and $_.Endpoint.TentacleVersionDetails }
| ForEach-Object {
    Write-Host "Checking Tentacle version for $($_.Name)"
    $details = $_.Endpoint.TentacleVersionDetails

    Write-Host "`tTentacle status: $($_.HealthStatus)"
    Write-Host "`tCurrent version: $($details.Version)"
    Write-Host "`tUpgrade suggested: $($details.UpgradeSuggested)"
    Write-Host "`tUpgrade required: $($details.UpgradeRequired)"
}

# Load octopus.client assembly
Add-Type -Path 'C:\path\to\Octopus.Client.dll'

$octopusURL = "https://your-octopus-url/api"
$octopusAPIKey = "API-YOUR-KEY"
$spaceName = "Default"

$endpoint = New-Object Octopus.Client.OctopusServerEndpoint $octopusURL, $octopusAPIKey
$repository = New-Object Octopus.Client.OctopusRepository $endpoint
$client = New-Object Octopus.Client.OctopusClient $endpoint

try {
    # Get space
    $space = $repository.Spaces.FindByName($spaceName)
    $repositoryForSpace = $client.ForSpace($space)

    # Get Tentacles
    $targets = $repositoryForSpace.Machines.GetAll()
    $workers = $repositoryForSpace.Workers.GetAll()

    ($targets + $workers)
    | Where-Object { $_.Endpoint -and $_.Endpoint.TentacleVersionDetails }
    | ForEach-Object {
        Write-Host "Checking Tentacle version for $($_.Name)"
        $details = $_.Endpoint.TentacleVersionDetails

        Write-Host "`tTentacle status: $($_.HealthStatus)"
        Write-Host "`tCurrent version: $($details.Version)"
        Write-Host "`tUpgrade suggested: $($details.UpgradeSuggested)"
        Write-Host "`tUpgrade required: $($details.UpgradeRequired)"
    }
}
catch {
    Write-Host "There was an error during the request: $($octoError.Message)"
    exit
}

// If using .net Core, be sure to add the NuGet package of System.Security.Permissions
#r "C:\path\to\Octopus.Client.dll"

using Octopus.Client;
using Octopus.Client.Model;
using Octopus.Client.Model.Endpoints;

var octopusURL = "https://your-octopus-url";
var octopusAPIKey = "API-YOUR-KEY";

var endpoint = new OctopusServerEndpoint(octopusURL, octopusAPIKey);
var repository = new OctopusRepository(endpoint);

var spaceName = "Default";

void WriteTentacleStatus(MachineBasedResource tentacle)
{
    var endpoint = tentacle.Endpoint as TentacleEndpointResource;
    if (endpoint == null) return;

    Console.WriteLine("Checking Tentacle version for {0}", tentacle.Name);
    Console.WriteLine("\tTentacle status:  {0}", tentacle.HealthStatus);
    Console.WriteLine("\tCurrent version: {0}", endpoint.TentacleVersionDetails.Version);
    Console.WriteLine("\tUpgrade suggested: {0}", endpoint.TentacleVersionDetails.UpgradeSuggested);
    Console.WriteLine("\tUpgrade required: {0}", endpoint.TentacleVersionDetails.UpgradeRequired);
}

try
{
    // Get the space to work in
    var space = repository.Spaces.FindByName(spaceName);
    Console.WriteLine($"Using Space named {space.Name} with id {space.Id}");

    // Create space specific repository
    var repositoryForSpace = repository.ForSpace(space);

    // Get Tentacles
    var targets = repositoryForSpace.Machines.FindAll();
    var workers = repositoryForSpace.Workers.FindAll();

    foreach (var target in targets)
    {
        WriteTentacleStatus(target);
    }

    foreach (var worker in workers)
    {
        WriteTentacleStatus(worker);
    }
}
catch (Exception ex)
{
    Console.WriteLine(ex.Message);
}

import json
import requests

octopus_server_uri = 'https://your-octopus-url/api'
octopus_api_key = 'API-YOUR-KEY'
headers = {'X-Octopus-ApiKey': octopus_api_key}


def get_octopus_resource(uri):
    response = requests.get(uri, headers=headers)
    response.raise_for_status()

    return json.loads(response.content.decode('utf-8'))


def get_by_name(uri, name):
    resources = get_octopus_resource(uri)
    return next((x for x in resources if x['Name'] == name), None)


space_name = 'Default'

space = get_by_name('{0}/spaces/all'.format(octopus_server_uri), space_name)
targets = get_octopus_resource('{0}/{1}/machines/all'.format(octopus_server_uri,
                                                             space['Id']))
workers = get_octopus_resource('{0}/{1}/workers/all'.format(octopus_server_uri,
                                                            space['Id']))

tentacles = [tentacle for tentacle in targets + workers
             if 'Endpoint' in tentacle and 'TentacleVersionDetails' in tentacle['Endpoint']]

for tentacle in tentacles:
    details = tentacle['Endpoint']['TentacleVersionDetails']
    print('Checking Tentacle version for {0}'.format(tentacle['Name']))
    print('\tTentacle status: {0}'.format(tentacle['HealthStatus']))
    print('\tCurrent version: {0}'.format(details['Version']))
    print('\tUpgrade suggested: {0}'.format(details['UpgradeSuggested']))
    print('\tUpgrade required: {0}'.format(details['UpgradeRequired']))

package main

import (
	"fmt"
	"log"

	"net/url"

	"github.com/OctopusDeploy/go-octopusdeploy/octopusdeploy"
)

func main() {

	apiURL, err := url.Parse("https://your-octopus-url")
	if err != nil {
		log.Println(err)
	}
	APIKey := "API-YOUR-KEY"
	spaceName := "Default"

	// Get reference to space
	space := GetSpace(apiURL, APIKey, spaceName)

	client := octopusAuth(apiURL, APIKey, space.ID)
	allTargets, err := client.Machines.GetAll()
	if err != nil {
		log.Println(err)
	}

	for i := 0; i < len(allTargets); i++ {
		fmt.Println("Checking target: " + allTargets[i].Name)
		fmt.Println("Health Status: " + allTargets[i].HealthStatus)
		fmt.Println("Status: " + allTargets[i].Status)
	}

	allWorkers, err := client.Workers.GetAll()
	if err != nil {
		log.Println(err)
	}

	for i := 0; i < len(allWorkers); i++ {
		fmt.Println("Checking target: " + allWorkers[i].Name)
		fmt.Println("Health Status: " + allWorkers[i].HealthStatus)
		fmt.Println("Status: " + allWorkers[i].Status)
	}

}

func octopusAuth(octopusURL *url.URL, APIKey, space string) *octopusdeploy.Client {
	client, err := octopusdeploy.NewClient(nil, octopusURL, APIKey, space)
	if err != nil {
		log.Println(err)
	}

	return client
}

func GetSpace(octopusURL *url.URL, APIKey string, spaceName string) *octopusdeploy.Space {
	client := octopusAuth(octopusURL, APIKey, "")

	spaceQuery := octopusdeploy.SpacesQuery{
		Name: spaceName,
	}

	// Get specific space object
	spaces, err := client.Spaces.Get(spaceQuery)

	if err != nil {
		log.Println(err)
	}

	for _, space := range spaces.Items {
		if space.Name == spaceName {
			return space
		}
	}

	return nil
}