## Taming Istio Configuration with Helm Ryan Michela / @ryanmichela / Salesforce IstioCon ## I n this talk This is a talk about using Helm with Istio Look at helm from a new perspective • Helm helps config ## DEMO ## Demo - Bookinfo ## What did we see? - Single entry point for each service’s configuration • Install each service with a single command - Single source of truth for auth and egress policy Everything you need to run a service in the mesh • Ingress-service ○ Add’s ingress gateway configuration to mesh-service • Mesh-egress o Configures TLS egress and policy • Auth-policy • Configures

Class ..... 28 6.3. Configuration Classes ..... 30 6.3.1. Importing Additional Configuration Classes ..... 30 6.3.2. Importing XML Configuration ..... 30 6.4. Auto-configuration ..... 30 6.4.1. Gradually Gradually Replacing Auto-configuration ..... 30 6.4.2. Disabling Specific Auto-configuration Classes ..... 31 6.5. Spring Beans and Dependency Injection ..... 31 6.6. Using the @SpringBootApplication tracking 66 7.2. Externalized Configuration 67 7.2.1. Accessing Command Line Properties 69 7.2.2. JSON Application Properties 70 7.2.3. External Application Properties 70 Optional

Class ..... 26 6.3. Configuration Classes ..... 27 6.3.1. Importing Additional Configuration Classes ..... 27 6.3.2. Importing XML Configuration ..... 28 6.4. Auto-configuration ..... 28 6.4.1. Gradually Gradually Replacing Auto-configuration ..... 28 6.4.2. Disabling Specific Auto-configuration Classes ..... 28 6.5. Spring Beans and Dependency Injection ..... 29 6.6. Using the @SpringBootApplication tracking ..... 58 7.2. Externalized Configuration ..... 58 7.2.1. Accessing Command Line Properties ..... 60 7.2.2. JSON Application Properties ..... 60 7.2.3. External Application Properties ..... 61

Class ..... 33 6.3. Configuration Classes ..... 34 6.3.1. Importing Additional Configuration Classes ..... 34 6.3.2. Importing XML Configuration ..... 34 6.4. Auto-configuration ..... 34 6.4.1. Gradually Gradually Replacing Auto-configuration ..... 35 6.4.2. Disabling Specific Auto-configuration Classes ..... 35 6.4.3. Auto-configuration Packages ..... 36 6.5. Spring Beans and Dependency Injection threads ..... 71 7.2. Externalized Configuration ..... 72 7.2.1. Accessing Command Line Properties ..... 74 7.2.2. JSON Application Properties ..... 74 7.2.3. External Application Properties ..... 75

known to one another and all actions, whether submitting application transactions, modifying the configuration of the network or deploying a smart contract are recorded on the blockchain following an endorsement updates Fabric lifecycle allows you to change an en- dorsement policy or private data collection configuration without having to repackage or reinstall the chaincode. Users can also take advantage of a new details about private data collection configuration and implicit collections, see the Private Data (reference documentation). 2.4 External chaincode launcher The external chaincode launcher feature empowers

(backups, restoration, monitoring...) Both rely heavily on struct tags for communication and configuration.  ## What is a Library for converting between structs and Go's builtin map. ## Why? "If you have configuration or an encoding that changes slightly depending on specific fields" ## I n other words If fmt.println(donation.Donor) // "Hugo Weaving" } else { ... } ## Command-line Configuration github.com/jessevdk/go-flags What is it? Alternative to Go's built-in flag package. Uses