Chilkat Online Tools

DescribeStacks delphiDll Example

AWS OpsWorks

var
rest: HCkRest;
success: Boolean;
authAws: HCkAuthAws;
json: HCkJsonObject;
sbRequestBody: HCkStringBuilder;
sbResponseBody: HCkStringBuilder;
respStatusCode: Integer;
jResp: HCkJsonObject;
AgentVersion: PWideChar;
Arn: PWideChar;
v_String: PWideChar;
BerkshelfVersion: PWideChar;
ManageBerkshelf: Integer;
Name: PWideChar;
Version: PWideChar;
CreatedAt: PWideChar;
Password: PWideChar;
Revision: PWideChar;
v_SshKey: PWideChar;
v_Type: PWideChar;
v_Url: PWideChar;
Username: PWideChar;
CustomJson: PWideChar;
DefaultAvailabilityZone: PWideChar;
DefaultInstanceProfileArn: PWideChar;
DefaultOs: PWideChar;
DefaultRootDeviceType: PWideChar;
DefaultSshKeyName: PWideChar;
DefaultSubnetId: PWideChar;
HostnameTheme: PWideChar;
Region: PWideChar;
ServiceRoleArn: PWideChar;
StackId: PWideChar;
UseCustomCookbooks: Integer;
UseOpsworksSecurityGroups: Integer;
VpcId: PWideChar;
i: Integer;
count_i: Integer;

begin
// This example requires the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

rest := CkRest_Create();

authAws := CkAuthAws_Create();
CkAuthAws_putAccessKey(authAws,'AWS_ACCESS_KEY');
CkAuthAws_putSecretKey(authAws,'AWS_SECRET_KEY');

// Don't forget to change the region to your particular region. (Also make the same change in the call to Connect below.)
CkAuthAws_putRegion(authAws,'us-west-2');
CkAuthAws_putServiceName(authAws,'opsworks');
// SetAuthAws causes Chilkat to automatically add the following headers: Authorization, X-Amz-Date
CkRest_SetAuthAws(rest,authAws);

// URL: https://opsworks.us-west-2.amazonaws.com/
// Use the same region as specified above.
success := CkRest_Connect(rest,'opsworks.us-west-2.amazonaws.com',443,True,True);
if (success <> True) then
  begin
    Memo1.Lines.Add('ConnectFailReason: ' + IntToStr(CkRest_getConnectFailReason(rest)));
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;

// The following code creates the JSON request body.
// The JSON created by this code is shown below.

// Use this online tool to generate code from sample JSON:
// Generate Code to Create JSON

json := CkJsonObject_Create();
CkJsonObject_UpdateString(json,'StackIds[0]','string');

// The JSON request body created by the above code:

// {
//   "StackIds": [
//     "string"
//   ]
// }

CkRest_AddHeader(rest,'Content-Type','application/x-amz-json-1.1');
CkRest_AddHeader(rest,'X-Amz-Target','OpsWorks_20130218.DescribeStacks');

sbRequestBody := CkStringBuilder_Create();
CkJsonObject_EmitSb(json,sbRequestBody);
sbResponseBody := CkStringBuilder_Create();
success := CkRest_FullRequestSb(rest,'POST','/',sbRequestBody,sbResponseBody);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkRest__lastErrorText(rest));
    Exit;
  end;
respStatusCode := CkRest_getResponseStatusCode(rest);
Memo1.Lines.Add('response status code = ' + IntToStr(respStatusCode));
if (respStatusCode <> 200) then
  begin
    Memo1.Lines.Add('Response Header:');
    Memo1.Lines.Add(CkRest__responseHeader(rest));
    Memo1.Lines.Add('Response Body:');
    Memo1.Lines.Add(CkStringBuilder__getAsString(sbResponseBody));
    Exit;
  end;

jResp := CkJsonObject_Create();
CkJsonObject_LoadSb(jResp,sbResponseBody);

// The following code parses the JSON response.
// A sample JSON response is shown below the sample code.

// Use this online tool to generate parsing code from sample JSON:
// Generate Parsing Code from JSON

i := 0;
count_i := CkJsonObject_SizeOfArray(jResp,'Stacks');
while i < count_i do
  begin
    CkJsonObject_putI(jResp,i);
    AgentVersion := CkJsonObject__stringOf(jResp,'Stacks[i].AgentVersion');
    Arn := CkJsonObject__stringOf(jResp,'Stacks[i].Arn');
    v_String := CkJsonObject__stringOf(jResp,'Stacks[i].Attributes.string');
    BerkshelfVersion := CkJsonObject__stringOf(jResp,'Stacks[i].ChefConfiguration.BerkshelfVersion');
    ManageBerkshelf := CkJsonObject_IntOf(jResp,'Stacks[i].ChefConfiguration.ManageBerkshelf');
    Name := CkJsonObject__stringOf(jResp,'Stacks[i].ConfigurationManager.Name');
    Version := CkJsonObject__stringOf(jResp,'Stacks[i].ConfigurationManager.Version');
    CreatedAt := CkJsonObject__stringOf(jResp,'Stacks[i].CreatedAt');
    Password := CkJsonObject__stringOf(jResp,'Stacks[i].CustomCookbooksSource.Password');
    Revision := CkJsonObject__stringOf(jResp,'Stacks[i].CustomCookbooksSource.Revision');
    v_SshKey := CkJsonObject__stringOf(jResp,'Stacks[i].CustomCookbooksSource.SshKey');
    v_Type := CkJsonObject__stringOf(jResp,'Stacks[i].CustomCookbooksSource.Type');
    v_Url := CkJsonObject__stringOf(jResp,'Stacks[i].CustomCookbooksSource.Url');
    Username := CkJsonObject__stringOf(jResp,'Stacks[i].CustomCookbooksSource.Username');
    CustomJson := CkJsonObject__stringOf(jResp,'Stacks[i].CustomJson');
    DefaultAvailabilityZone := CkJsonObject__stringOf(jResp,'Stacks[i].DefaultAvailabilityZone');
    DefaultInstanceProfileArn := CkJsonObject__stringOf(jResp,'Stacks[i].DefaultInstanceProfileArn');
    DefaultOs := CkJsonObject__stringOf(jResp,'Stacks[i].DefaultOs');
    DefaultRootDeviceType := CkJsonObject__stringOf(jResp,'Stacks[i].DefaultRootDeviceType');
    DefaultSshKeyName := CkJsonObject__stringOf(jResp,'Stacks[i].DefaultSshKeyName');
    DefaultSubnetId := CkJsonObject__stringOf(jResp,'Stacks[i].DefaultSubnetId');
    HostnameTheme := CkJsonObject__stringOf(jResp,'Stacks[i].HostnameTheme');
    Name := CkJsonObject__stringOf(jResp,'Stacks[i].Name');
    Region := CkJsonObject__stringOf(jResp,'Stacks[i].Region');
    ServiceRoleArn := CkJsonObject__stringOf(jResp,'Stacks[i].ServiceRoleArn');
    StackId := CkJsonObject__stringOf(jResp,'Stacks[i].StackId');
    UseCustomCookbooks := CkJsonObject_IntOf(jResp,'Stacks[i].UseCustomCookbooks');
    UseOpsworksSecurityGroups := CkJsonObject_IntOf(jResp,'Stacks[i].UseOpsworksSecurityGroups');
    VpcId := CkJsonObject__stringOf(jResp,'Stacks[i].VpcId');
    i := i + 1;
  end;

// A sample JSON response body parsed by the above code:

// {
//   "Stacks": [
//     {
//       "AgentVersion": "string",
//       "Arn": "string",
//       "Attributes": {
//         "string": "string"
//       },
//       "ChefConfiguration": {
//         "BerkshelfVersion": "string",
//         "ManageBerkshelf": boolean
//       },
//       "ConfigurationManager": {
//         "Name": "string",
//         "Version": "string"
//       },
//       "CreatedAt": "string",
//       "CustomCookbooksSource": {
//         "Password": "string",
//         "Revision": "string",
//         "SshKey": "string",
//         "Type": "string",
//         "Url": "string",
//         "Username": "string"
//       },
//       "CustomJson": "string",
//       "DefaultAvailabilityZone": "string",
//       "DefaultInstanceProfileArn": "string",
//       "DefaultOs": "string",
//       "DefaultRootDeviceType": "string",
//       "DefaultSshKeyName": "string",
//       "DefaultSubnetId": "string",
//       "HostnameTheme": "string",
//       "Name": "string",
//       "Region": "string",
//       "ServiceRoleArn": "string",
//       "StackId": "string",
//       "UseCustomCookbooks": boolean,
//       "UseOpsworksSecurityGroups": boolean,
//       "VpcId": "string"
//     }
//   ]
// }

CkRest_Dispose(rest);
CkAuthAws_Dispose(authAws);
CkJsonObject_Dispose(json);
CkStringBuilder_Dispose(sbRequestBody);
CkStringBuilder_Dispose(sbResponseBody);
CkJsonObject_Dispose(jResp);