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radix-cost-allocation-api

API for Radix Cost Allocation The Radix Cost Allocation API is an HTTP server for accessing functionality on the cost allocation for Radix platform. This document is for Radix developers, or anyone interested in poking around.

Security

Authentication and authorisation are performed through an HTTP bearer token, which is (in most cases) relayed to the Kubernetes API. The Kubernetes AAD integration then performs its authentication and resource authorisation checks, and the result is relayed to the the user.

Contribution

Want to contribute? Read our Contributing guidelines

Developing

You need Go installed. Make sure GOPATH and GOROOT are properly set up.

Also needed:

go-swagger (on a Mac, you can install it with Homebrew: brew install go-swagger)
statik (install with go install github.com/rakyll/[email protected])
gomock (install with go install github.com/golang/mock/[email protected])

Clone the repo into your GOPATH and run go mod download.

Generating mocks

We use gomock to generate mocks used in unit test. You need to regenerate mocks if you make changes to any of the interface types used by the application

make mocks

Dependencies - go modules

Go modules are used for dependency management. See link for information how to add, upgrade and remove dependencies. E.g. To update radix-operator dependency:

list versions: go list -m -versions github.com/equinor/radix-operator
update: go get github.com/equinor/[email protected]

Running locally

Run once after cloning of the GitHub repository:

go mod download
make swagger
make generate-radix-api-client0.222

The following env var is needed. Useful default values in brackets.

SQL_SERVER - SQL server name
SQL_DATABASE - SQL database name
RADIX_ENVIRONMENT - Radix environment (ex. qa)
RADIX_CLUSTERNAME - Radix cluster name (ex. weekly-33)
RADIX_DNS_ZONE - Radix DNS zone (ex. dev.radix.equinor.com)
WHITELIST - List of applications, not included for cost report ex. {"whiteList": ["canarycicd-test","canarycicd-test1","canarycicd-test2","canarycicd-test3","canarycicd-test4","radix-api","radix-canary-golang","radix-cost-allocation-api","radix-github-webhook","radix-platform","radix-web-console"]})
AD_REPORT_READERS - Azure AD group for user, allowed to get an overall cost report (ex. {"groups": ["d59ab0b8-2b2c-11eb-adc1-0242ac120002"]})
TOKEN_ISSUER - Azure tennant ID (ex. https://sts.windows.net/f08f9cda-2b2c-11eb-adc1-0242ac120002/)
USE_LOCAL_RADIX_API
- false, no or not set- connecting to in-clusterradix-api`
- true or yes - connecting to radix-api, running on http://localhost:3002
USE_PROFILER
- false, no or not set - do not use profiler
- true or yes - use pprof profiler, running on http://localhost:7070/debug/pprof. Use web-UI to profile, when started service:
```
    go tool pprof -http=:6070 http://localhost:7070/debug/pprof/heap
```

Deployment

Radix Cost Allocation API follows the standard procedure defined in how we work.

Radix Cost Allocation API is installed as a Radix application in script when setting up a cluster. It will setup API environment with aliases, and a Webhook so that changes to this repository will be reflected in Radix platform.

If radix-operator is updated to a new tag, `go.mod` should be updated as follows: 
   
    github.com/equinor/radix-operator <NEW_OPERATOR_TAG>

To install with install_base_components.sh, mentioned above - add RadixRegistration values and application secrets to Azure KeyVault:

If using a terminal - login to an Azure and switch to an Azure subscription:
```
az login
az account set -s "<SUBSCRIPTION-NAME>"
```

Create a file radix-cost-allocation-api-radixregistration-values.yaml with a content:

repository: https://github.com/<GIT-USER>/<GIT-REPOSITORY>
cloneURL: [email protected]:<GIT-USER>@<GIT-REPOSITORY>.git
adGroups:
  - <AD-GROUP-IF-USED>
deployKey: |
    -----BEGIN RSA PRIVATE KEY-----
    <YOUR-PRIVATE-KEY>
    -----END RSA PRIVATE KEY-----
deployKeyPublic: ssh-rsa <YOUR-PUBLIC-KEY>
sharedSecret: <SOME-RANDOM-TEXT>

Set the secret with following command or with Azure portal (Key vault/Secrets):

az keyvault secret set  \
-f radix-cost-allocation-api-radixregistration-values.yaml \
-n radix-cost-allocation-api-radixregistration-values \
--vault-name "<KEYVAULT>"

To check - run following command and read the created file ...-check.yaml or with Azure portal (Key vault/Secrets):

az keyvault secret download \
-f radix-cost-allocation-api-radixregistration-values-check.yaml \
-n radix-cost-allocation-api-radixregistration-values \
--vault-name "<KEYVAULT>"

Security notification

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