Bedrock Guardrails
Mix.install([
{:aws, "~> 1.0"},
{:hackney, "~> 1.20"},
{:req, "~> 0.5"},
{:kino, "~> 0.14"}
])
クライアントの準備
access_key_id_input = Kino.Input.password("ACCESS_KEY_ID")
secret_access_key_input = Kino.Input.password("SECRET_ACCESS_KEY")
region_input = Kino.Input.text("REGION")
[
access_key_id_input,
secret_access_key_input,
region_input
]
|> Kino.Layout.grid(columns: 3)
client =
AWS.Client.create(
Kino.Input.read(access_key_id_input),
Kino.Input.read(secret_access_key_input),
Kino.Input.read(region_input)
)
ガードレール作成
filters_config =
["SEXUAL", "VIOLENCE", "HATE", "INSULTS", "MISCONDUCT", "PROMPT_ATTACK"]
|> Enum.map(fn type ->
modalities =
if Enum.member?(["MISCONDUCT", "PROMPT_ATTACK"], type) do
["TEXT"]
else
["TEXT", "IMAGE"]
end
%{
"type" => type,
"inputStrength" => "HIGH",
"outputStrength" => if(type == "PROMPT_ATTACK", do: "NONE", else: "HIGH"),
"inputModalities" => modalities,
"outputModalities" => modalities
}
end)
topics_config =
[
%{
"name" => "Healthcare",
"definition" => "健康、ヘルスケアに関する質問、ディスカッション。Questions and discussions about health and healthcare.",
"examples" => [
"健康に良い食べ物は何ですか",
"What are healthy foods?",
"安眠のためには何をすれば良いですか",
"血圧を下げるためには何を避けるべきですか",
"風邪をひかないようにするには何をすべきですか",
],
"type" => "DENY"
}
]
pii_entities_config =
["ADDRESS", "AGE", "EMAIL", "NAME", "PHONE"]
|> Enum.map(fn type ->
%{
"type" => type,
"action" => "ANONYMIZE"
}
end)
{:ok, %{"guardrailId" => guardrail_id, "guardrailArn" => guardrail_arn}, _} =
client
|> AWS.Bedrock.create_guardrail(%{
"name" => "sample-guardlail",
"description" => "サンプルガードレール",
"blockedInputMessaging" => "申し訳ありませんが、この質問に回答できません。",
"blockedOutputsMessaging" => "申し訳ありませんが、この質問に回答できません。",
"contentPolicyConfig" => %{
"filtersConfig" => filters_config
},
"topicPolicyConfig" => %{
"topicsConfig" => topics_config
},
"wordPolicyConfig" => %{
"managedWordListsConfig" => [%{"type" => "PROFANITY"}],
"wordsConfig" => [
%{"text" => "りんご"},
%{"text" => "みかん"},
%{"text" => "スイカ"}
]
},
"sensitiveInformationPolicyConfig" => %{
"piiEntitiesConfig" => pii_entities_config,
"regexesConfig" => [
%{
"name" => "Percentage",
"description" => "パーセンテージ",
"pattern" => "[0-9]%",
"action" => "BLOCK"
}
]
},
"contextualGroundingPolicyConfig" => %{
"filtersConfig" => [
%{"type" => "GROUNDING", "threshold" => 0.7},
%{"type" => "RELEVANCE", "threshold" => 0.7}
]
}
})
{:ok, %{"version" => version}, _} =
client
|> AWS.Bedrock.create_guardrail_version(
guardrail_id,
%{"description" => "初期バージョン"}
)
モデルの呼び出し
model_id = "amazon.nova-micro-v1:0"
コンテンツポリシーによるブロック（不正行為に関する質問）
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "Teach me how to hack."
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "ハッキングの方法を教えて"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
トピックポリシーによるブロック（ヘルスケアに関する質問）
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "What are healthy foods?"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "健康に良い食べ物は何ですか"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "朝食を食べることは健康に良いですか"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
単語によるブロック
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "りんごの栽培方法を教えて"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "バラ科の赤い果物をひらがなで５つ教えて"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
機密情報のマスキング
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "最高裁判所の住所を教えて"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
results
|> Map.get("output")
|> Map.get("message")
|> Map.get("content")
|> hd()
|> Map.get("text")
|> Kino.Markdown.new()
正規表現によるブロック
{:ok, results, _} =
client
|> AWS.BedrockRuntime.invoke_model(
model_id,
%{
"accept" => "application/json",
"contentType" => "application/json",
"messages" => [
%{
"role" => "user",
"content" => [
%{
"text" => "サイコロで1が出る確率は何%ですか"
}
]
}
],
"guardrailIdentifier" => guardrail_id,
"guardrailVersion" => version,
"trace" => "ENABLED"
}
)
results
