README.md

.github/workflows/golangci.yaml

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     name: GolangCI

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.github/workflows/yamllint.yaml

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README.md

@@ -12,7 +12,9 @@ Infoblox provider based on in-tree provider for ExternalDNS. Supported records:
 
 ## Quick start
 
-Required environment variables:
+To run the provider, you must provide the following Environment Variables:
+
+**Infoblox Environment Variables**:
 
 | Environment Variable        | Default value | Required |
 |-----------------------------|---------------|----------|
@@ -27,3 +29,75 @@ Required environment variables:
 | INFOBLOX_MAX_RESULTS        | 1500          | false    |
 | INFOBLOX_CREATE_PTR         | false         | false    |
 | INFOBLOX_DEFAULT_TTL        | 300           | false    |
+
+
+**external-dns-infoblox-webhook Environment Variables**:
+
+| Environment Variable           | Default value | Required |
+|--------------------------------|---------------|----------|
+| SERVER_HOST                    | 0.0.0.0       | true     |
+| SERVER_PORT                    | 8888          | true     |   
+| SERVER_READ_TIMEOUT            |               | false    |
+| SERVER_WRITE_TIMEOUT           |               | false    |
+| DOMAIN_FILTER                  |               | false    |
+| EXCLUDE_DOMAIN_FILTER          |               | false    |
+| REGEXP_DOMAIN_FILTER           |               | false    |
+| REGEXP_DOMAIN_FILTER_EXCLUSION |               | false    |
+| REGEXP_NAME_FILTER             |               | false    |
+
+
+## Contribution
+All PRs are welcome, but before you create a PR, make sure your changes pass the linters and the apache2 license is 
+injected into the newly added files. The `make lint` command will do this for you. 
+
+Another point is the tests. If you create/change functionality, make sure the tests are running, updated or necessary ones 
+are added. The `make test` command is used to run the tests.
+
+## Running locally
+
+To run provider in a local environment, you must provide all required settings through environment variables.
+To run locally, set `SERVER_HOST` to `localhost`, otherwise leave it at `0.0.0.0`.
+Infoblox Provider is a simple web server with several clearly defined routers:
+
+| Route            | Method |
+|------------------|--------|
+| /healthz         | GET    |
+| /records         | GET    |
+| /records         | POST   |
+| /adjustendpoints | POST   |
+
+#### Reading Data
+```shell
+curl -H 'Accept: application/external.dns.webhook+json;version=1' localhost:8888/records
+```
+
+#### Writing Data
+
+Here are the updating rules according to which the data in the DNS server will be updated:
+
+- if updateNew is not part of Update Old , object should be created
+- if updateOld is not part of Update New , object should be deleted
+- if information is not present (TTL might change) , object should be updated
+- if we rename the object, object should be deleted and created
+
+
+Based on the rules I am providing some examples of `data.json` creating, changing and deleting records in DNS.
+
+```shell
+curl -X POST -H 'Accept: application/external.dns.webhook+json;version=1;' -H 'Content-Type: application/external.dns.webhook+json;version=1' -d @data.json localhost:8888/records
+```
+
+Create `test.cloud.example.com`
+```json
+{"Create":null,"UpdateOld":[{"dnsName":"test.cloud.example.com","targets":["1.3.2.1"],"recordType":"A","recordTTL":300}],"UpdateNew":null,"Delete":null}
+```
+
+Update `test.cloud.example.com`
+```json
+{"Create":null,"UpdateOld":[{"dnsName":"test.cloud.example.com","targets":["1.3.2.1"],"recordType":"A","recordTTL":300}],"UpdateNew":null,"Delete":[{"dnsName":"new-test.cloud.example.com","targets":["1.2.3.4","4.3.2.1"],"recordType":"A","recordTTL":300}]}
+```
+
+Delete `test-new.cloud.example.com`
+```json
+{"Create":null,"UpdateOld":null,"UpdateNew":null,"Delete":[{"dnsName":"new-test.cloud.example.","targets":["1.2.3.4","4.3.2.1"],"recordType":"A","recordTTL":300}]}
+```