Add optional environment variable for specifying a ccloud executable path (#58)

* fix: added verbose output for failed ccloud command execution

* feat: add optional environment variable for ccloud executable path

* docs: add optional ccloud path environment var

Author: tball-dev

docs/confluent-cloud.md

@@ -53,6 +53,12 @@ Additionally, you'll need to login to the `ccloud` tool. You can automate this b
 
 Then, you can run `ccloud login` and it will run without a prompt. This is great for CI builds.
 
+You can optionally specify a path to a `ccloud` executable:
+
+* `CCLOUD_EXECUTABLE_PATH`: `/full/path/to/ccloud`
+
+Otherwise, `ccloud` must be on your path.
+
 ## Validate
 
 First, validate your state file is correct by running:
@@ -109,4 +115,4 @@ Congrats! You're now using `kafka-gitops` to manage your Confluent Cloud cluster
 
 Welcome to GitOps! 
 
-[installation]: /installation.md
+[installation]: /installation.md

src/main/java/com/devshawn/kafka/gitops/service/ConfluentCloudService.java

@@ -14,6 +14,7 @@ public class ConfluentCloudService {
     private static org.slf4j.Logger log = LoggerFactory.getLogger(ConfluentCloudService.class);
 
     private final ObjectMapper objectMapper;
+    private static final String ccloudExecutable;
 
     public ConfluentCloudService(ObjectMapper objectMapper) {
         this.objectMapper = objectMapper;
@@ -22,10 +23,11 @@ public ConfluentCloudService(ObjectMapper objectMapper) {
     public List<ServiceAccount> getServiceAccounts() {
         log.info("Fetching service account list from Confluent Cloud via ccloud tool.");
         try {
-            String result = execCmd(new String[]{"ccloud", "service-account", "list", "-o", "json"});
+            String result = execCmd(new String[]{ccloudExecutable, "service-account", "list", "-o", "json"});
             return objectMapper.readValue(result, new TypeReference<List<ServiceAccount>>() {
             });
         } catch (IOException ex) {
+            log.info(ex.getMessage());
             throw new ConfluentCloudException("There was an error listing Confluent Cloud service accounts. Are you logged in?");
         }
     }
@@ -35,7 +37,7 @@ public ServiceAccount createServiceAccount(String name, boolean isUser) {
         try {
             String serviceName = isUser ? String.format("user-%s", name) : name;
             String description = isUser ? String.format("User: %s", name) : String.format("Service account: %s", name);
-            String result = execCmd(new String[]{"ccloud", "service-account", "create", serviceName, "--description", description, "-o", "json"});
+            String result = execCmd(new String[]{ccloudExecutable, "service-account", "create", serviceName, "--description", description, "-o", "json"});
             return objectMapper.readValue(result, ServiceAccount.class);
         } catch (IOException ex) {
             throw new ConfluentCloudException(String.format("There was an error creating Confluent Cloud service account: %s.", name));
@@ -46,4 +48,9 @@ public static String execCmd(String[] cmd) throws java.io.IOException {
         java.util.Scanner s = new java.util.Scanner(Runtime.getRuntime().exec(cmd).getInputStream()).useDelimiter("\\A");
         return s.hasNext() ? s.next() : "";
     }
+
+    static {
+        ccloudExecutable = System.getenv("CCLOUD_EXECUTABLE_PATH") != null ? System.getenv("CCLOUD_EXECUTABLE_PATH") : "ccloud";
+        log.info("Using ccloud executable at: {}", ccloudExecutable);
+    }
 }