tests from API usage Learnt by Mesh API Studio Third-party apps Manual QA trace: r trace: r trace: r trace: r CI Pipeline | CONFIDENTIAL 9 Process flow using Istio Deploy Lua filters B], trace:r, span:s1 res[A B], trace:r, span:s1 req[B C], trace: r, parent_span: s1 res[B C], trace: r, parent_span: s1 req req[A->B] req[B->C] Construct request trace | CONFIDENTIAL 12 At this point, we have: • Full trace of every request from the gateway • Complete request and response data for every API request in a trace From this data, we can: • Drive test requests

Production Profile Not Sufficiently Hardened 003 Medium Weak Hash Used for Integrity 009 Medium Go Trace Profiling Enabled By Default 013 Medium Permissive Kubernetes RBAC within a Namespace 015 Medium finding NCC-GOIST2005-013 on page 18, by default, the “profiling” mode is also enabled which runs go trace profiling tools5 on the pilot binary itself which contains stack, heap, and other process information SHA3 • Blake2b 17 | Google Istio Security Assessment Google / NCC Group Confidential Finding Go Trace Profiling Enabled By Default Risk Medium Impact: Low, Exploitability: High Identifier NCC-GOIST2005-013

belong to this type.Query in GraphQL • Five types query • Metadata • Metric • Aggregation • Trace • Alarm https://github.com/apache/incubator- skywalking-query-protocolEcosystem powered by GraphQL

防雪崩能力：动态BackupRequest #IstioCon 未来 l 强化稳定性工程。（Case覆盖、故障自动恢复） l 实现现有能力整合。（Mesh作为基础层，完全有能力整合内部Trace系统、压测平台等） l 积极拥抱社区。（积极贡献Istio社区） l 探索新应用。 （机房扩建，流量染色分级等） #IstioCon Thanks 添加讲师微信

onfiguration/observability/access_log/usage • 调试日志：pilot-agent request POST /logging?connection=trace #Cxxx • 抓包 • 进入pod容器网络空间执行 tcpdump -i any 'port (15001 or 8080)' -w fortio.cap • 压测工具 • fortio

run the program, copy the code to main.go and run the file with go run main.go. The resulting stack trace should be: 2022/10/12 15:56:26 server started Creating fetcher Fetching size of returned body: 1