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step-functions.tf
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144 lines (136 loc) · 3.68 KB
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###################
# Step Functions
###################
resource "aws_sfn_state_machine" "video_generation" {
name = "${local.name_prefix}-video-generation"
role_arn = aws_iam_role.step_functions.arn
definition = jsonencode({
Comment = "Multi-agent video generation workflow"
StartAt = "CheckMessageType"
States = {
CheckMessageType = {
Type = "Choice"
Choices = [
{
Variable = "$.messageType"
StringEquals = "voice"
Next = "TranscribeAudio"
}
]
Default = "GenerateScript"
}
TranscribeAudio = {
Type = "Task"
Resource = aws_lambda_function.transcribe.arn
Next = "GenerateScript"
Retry = [
{
ErrorEquals = ["States.ALL"]
IntervalSeconds = 2
MaxAttempts = 2
BackoffRate = 2.0
}
]
Catch = [
{
ErrorEquals = ["States.ALL"]
Next = "NotifyFailure"
}
]
}
GenerateScript = {
Type = "Task"
Resource = aws_lambda_function.script_generator.arn
Next = "SendScriptForApproval"
Retry = [
{
ErrorEquals = ["States.ALL"]
IntervalSeconds = 2
MaxAttempts = 2
BackoffRate = 2.0
}
]
Catch = [
{
ErrorEquals = ["States.ALL"]
Next = "NotifyFailure"
}
]
}
SendScriptForApproval = {
Type = "Task"
Resource = "arn:aws:states:::lambda:invoke.waitForTaskToken"
Parameters = {
FunctionName = aws_lambda_function.send_script.arn
Payload = {
"jobId.$" = "$.jobId"
"chatId.$" = "$.chatId"
"script.$" = "$.script"
"taskToken.$" = "$$.Task.Token"
}
}
Next = "AnimateVideo"
HeartbeatSeconds = 3600 # 1 hour timeout for user approval
Retry = [
{
ErrorEquals = ["States.Timeout"]
MaxAttempts = 0
}
]
Catch = [
{
ErrorEquals = ["States.ALL"]
Next = "NotifyFailure"
}
]
}
AnimateVideo = {
Type = "Task"
Resource = "arn:aws:states:::lambda:invoke.waitForTaskToken"
Parameters = {
FunctionName = aws_lambda_function.video_generator.arn
Payload = {
"jobId.$" = "$.jobId"
"chatId.$" = "$.chatId"
"script.$" = "$.script"
"videoModel.$" = "$.videoModel"
"videoQuality.$" = "$.videoQuality"
"taskToken.$" = "$$.Task.Token"
}
}
Next = "SendVideo"
HeartbeatSeconds = 1800 # 30 minutes timeout for video generation
Retry = [
{
ErrorEquals = ["States.Timeout"]
MaxAttempts = 0
}
]
Catch = [
{
ErrorEquals = ["States.ALL"]
Next = "NotifyFailure"
}
]
}
SendVideo = {
Type = "Task"
Resource = aws_lambda_function.send_video.arn
End = true
Retry = [
{
ErrorEquals = ["States.ALL"]
IntervalSeconds = 2
MaxAttempts = 3
BackoffRate = 2.0
}
]
}
NotifyFailure = {
Type = "Fail"
Error = "VideoGenerationFailed"
Cause = "The video generation workflow failed"
}
}
})
}