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argo-cd-sync for GitOps Runtimes (#580)
* argo-cd-sync for GitOps Runtimes * argo-cd-sync - Adding code * Adding IMAGE_NAME property * argo-cd-sync - Making it an official plugin * argo-cd-sync | Adding an example
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‎incubating/argo-cd-sync/Dockerfile‎

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FROM python:3.11.2-slim-buster
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WORKDIR /app
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COPY requirements.txt requirements.txt
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RUN pip3 install -r requirements.txt
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COPY queries queries/
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COPY argocd_sync.py run.py
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CMD [ "python3", "run.py"]

‎incubating/argo-cd-sync/argocd_sync.py‎

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from gql import Client, gql
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from gql.transport.requests import RequestsHTTPTransport
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import os
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RUNTIME = os.getenv('RUNTIME')
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APPLICATION = os.getenv('APPLICATION')
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CF_URL = os.getenv('CF_URL', 'https://g.codefresh.io')
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CF_API_KEY = os.getenv('CF_API_KEY')
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CF_STEP_NAME= os.getenv('CF_STEP_NAME', 'STEP_NAME')
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#######################################################################
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def main():
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ingress_host = get_runtime_ingress_host()
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execute_argocd_sync(ingress_host)
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## Generating link to the Apps Dashboard
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CF_OUTPUT_URL_VAR = CF_STEP_NAME + '_CF_OUTPUT_URL'
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link_to_app = get_link_to_apps_dashboard()
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export_variable(CF_OUTPUT_URL_VAR, link_to_app)
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#######################################################################
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def get_query(query_name):
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## To do: get query content from a variable, failback to a file
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with open('queries/'+query_name+'.graphql', 'r') as file:
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query_content = file.read()
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return gql(query_content)
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def get_runtime():
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transport = RequestsHTTPTransport(
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url = CF_URL + '/2.0/api/graphql',
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headers={'authorization': CF_API_KEY},
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verify=True,
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retries=3,
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)
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client = Client(transport=transport, fetch_schema_from_transport=False)
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query = get_query('getRuntime') ## gets gql query
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variables = {
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"runtime": RUNTIME
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}
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runtime = client.execute(query, variable_values=variables)
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return runtime
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def get_runtime_ingress_host():
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ingress_host = None
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runtime = get_runtime()
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ingress_host = runtime['runtime']['ingressHost']
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return ingress_host
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def get_link_to_apps_dashboard():
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runtime = get_runtime()
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runtime_ns = runtime['runtime']['metadata']['namespace']
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url_to_app = CF_URL+'/2.0/applications-dashboard/'+RUNTIME+'/'+runtime_ns+'/'+APPLICATION+'/timeline'
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return url_to_app
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def execute_argocd_sync(ingress_host):
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runtime_api_endpoint = ingress_host + '/app-proxy/api/graphql'
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transport = RequestsHTTPTransport(
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url=runtime_api_endpoint,
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headers={'authorization': CF_API_KEY},
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verify=True,
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retries=3,
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)
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client = Client(transport=transport, fetch_schema_from_transport=False)
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query = get_query('argocd_sync') ## gets gql query
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variables = {
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"applicationName": APPLICATION,
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"options": {
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"prune": True
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}
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}
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print("Syncing app: ", variables)
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result = client.execute(query, variable_values=variables)
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print(result)
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def export_variable(var_name, var_value):
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path = os.getenv('CF_VOLUME_PATH') if os.getenv('CF_VOLUME_PATH') != None else './'
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with open(path+'/env_vars_to_export', 'a') as a_writer:
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a_writer.write(var_name + "=" + var_value+'\n')
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print("Exporting variable: "+var_name+"="+var_value)
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##############################################################
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if __name__ == "__main__":
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main()

‎incubating/argo-cd-sync/queries/argocd_sync.graphql‎

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query sync($applicationName: String!, $options: SyncOptions) {
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sync(applicationName: $applicationName, options: $options) {
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metadata {
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name
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__typename
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}
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__typename
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}
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}

‎incubating/argo-cd-sync/queries/getRuntime.graphql‎

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query getRuntime(
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$runtime: String!) {
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runtime(name: $runtime) {
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metadata {
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name
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namespace
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}
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ingressHost
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}
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}

‎incubating/argo-cd-sync/requirements.txt‎

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backoff==2.2.1
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certifi==2022.12.7
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charset-normalizer==3.1.0
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gql==3.4.0
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graphql-core==3.2.3
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idna==3.4
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multidict==6.0.4
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requests==2.28.2
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requests-toolbelt==0.10.1
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urllib3==1.26.15
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yarl==1.8.2

‎incubating/argo-cd-sync/step.yaml‎

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kind: step-type
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metadata:
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name: argo-cd-sync
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version: 0.1.0
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isPublic: true
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description: Syncs Argo CD apps managed by our GitOps Runtimes
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sources:
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- 'https://github.com/codefresh-io/steps/tree/master/incubating/argo-sync'
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stage: incubating
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maintainers:
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- name: Francisco Cocozza
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- email: [email protected]
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categories:
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- GitOps
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official: true
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tags: []
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icon:
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type: svg
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url: https://cdn.jsdelivr.net/gh/codefresh-io/steps/graduated/argocd-sync/argo.svg
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background: "#f4f4f4"
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examples:
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- description: Sync an Argo CD app called "my-app" in a GitOps Runtime called "my-runtime"
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workflow:
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sync_argo_cd_app:
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title: Sync Argo CD app
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type: argo-cd-sync
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arguments:
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RUNTIME: my-runtime
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APPLICATION: my-app
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spec:
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arguments: |-
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{
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"definitions": {},
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"$schema": "http://json-schema.org/draft-07/schema#",
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"type": "object",
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"additionalProperties": true,
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"patterns": [],
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"required": [
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"RUNTIME",
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"APPLICATION"
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],
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"properties": {
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"RUNTIME": {
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"type": "string",
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"description": "The name of the GitOps Runtime managing the Argo CD Application"
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},
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"APPLICATION": {
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"type": "string",
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"description": "The name of the Argo CD Application to be synced"
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},
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"IMAGE_NAME": {
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"type": "string",
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"default": "quay.io/codefreshplugins/argo-cd-sync",
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}
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"IMAGE_TAG": {
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"type": "string",
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"default": "0.4.0",
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}
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}
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}
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stepsTemplate: |-
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argo-cd-sync:
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image: '[[.Arguments.IMAGE_NAME]]:[[.Arguments.IMAGE_NAME]]'
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working_directory: /app
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environment:
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[[ range $key, $val := .Arguments ]]
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- '[[ $key ]]=[[ $val ]]'
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[[- end ]]
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commands:
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- python3 run.py
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delimiters:
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left: '[['
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right: ']]'

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