# Copyright 2021 kubeflow.org
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

apiVersion: tekton.dev/v1beta1
kind: PipelineRun
metadata:
  name: recursion-pipeline
  annotations:
    tekton.dev/output_artifacts: '{"flip-coin": [{"key": "artifacts/$PIPELINERUN/flip-coin/output.tgz",
      "name": "flip-coin-output", "path": "/tmp/outputs/output/data"}], "flip-coin-2":
      [{"key": "artifacts/$PIPELINERUN/flip-coin-2/output.tgz", "name": "flip-coin-2-output",
      "path": "/tmp/outputs/output/data"}]}'
    tekton.dev/input_artifacts: '{"print": [{"name": "flip-coin-output", "parent_task":
      "flip-coin"}], "print-2": [{"name": "flip-coin-output", "parent_task": "flip-coin"}]}'
    tekton.dev/artifact_bucket: mlpipeline
    tekton.dev/artifact_endpoint: minio-service.kubeflow:9000
    tekton.dev/artifact_endpoint_scheme: http://
    tekton.dev/artifact_items: '{"flip-coin": [["output", "$(results.output.path)"]],
      "flip-coin-2": [["output", "$(results.output.path)"]], "print": [], "print-2":
      []}'
    sidecar.istio.io/inject: "false"
    pipelines.kubeflow.org/big_data_passing_format: $(workspaces.$TASK_NAME.path)/artifacts/$ORIG_PR_NAME/$TASKRUN_NAME/$TASK_PARAM_NAME
    pipelines.kubeflow.org/pipeline_spec: '{"description": "shows how to use graph_component
      and recursion.", "inputs": [{"default": "12", "name": "maxVal", "optional":
      true, "type": "Integer"}], "name": "recursion-pipeline"}'
    tekton.dev/resource_templates: '[{"apiVersion": "custom.tekton.dev/v1alpha1",
      "kind": "PipelineLoop", "metadata": {"name": "recursion-pipeline-flip-component-1"},
      "spec": {"iterateParam": "just_one_iteration", "pipelineSpec": {"params": [{"name":
      "flip-coin-output", "type": "string"}, {"name": "just_one_iteration", "type":
      "string"}, {"name": "maxVal", "type": "string"}], "tasks": [{"name": "print",
      "params": [{"name": "flip-coin-output", "value": "$(params.flip-coin-output)"}],
      "taskSpec": {"metadata": {"annotations": {"pipelines.kubeflow.org/component_spec_digest":
      "{\"name\": \"print\", \"outputs\": [], \"version\": \"print@sha256=8232f0c48ead41f53f1c61e3c35a4d3440cdd0591ab17933736e5ed7c8390d5c\"}",
      "tekton.dev/template": ""}, "labels": {"pipelines.kubeflow.org/cache_enabled":
      "true", "pipelines.kubeflow.org/generation": "", "pipelines.kubeflow.org/pipelinename":
      ""}}, "params": [{"name": "flip-coin-output", "type": "string"}], "steps": [{"command":
      ["echo", "$(inputs.params.flip-coin-output)"], "image": "alpine:3.6", "name":
      "main"}]}, "timeout": "525600m", "when": [{"input": "$(tasks.condition-2.results.outcome)",
      "operator": "in", "values": ["true"]}]}, {"name": "flip-coin-2", "runAfter":
      ["print"], "taskSpec": {"metadata": {"annotations": {"pipelines.kubeflow.org/component_spec_digest":
      "{\"name\": \"flip-coin\", \"outputs\": [{\"name\": \"output\", \"type\": \"String\"}],
      \"version\": \"flip-coin@sha256=1989ae83915edcd7253e495603317c1f99196f5ef2b0bacb31a0273d941e830d\"}",
      "tekton.dev/template": ""}, "labels": {"pipelines.kubeflow.org/cache_enabled":
      "true", "pipelines.kubeflow.org/generation": "", "pipelines.kubeflow.org/pipelinename":
      ""}}, "results": [{"description": "/tmp/outputs/output/data", "name": "output",
      "type": "string"}], "steps": [{"args": ["python -c \"import random; result =
      ''heads'' if random.randint(0,1) == 0           else ''tails''; print(result)\"
      | tee $0\n", "$(results.output.path)"], "command": ["sh", "-c"], "image": "python:alpine3.6",
      "name": "main"}]}, "timeout": "525600m", "when": [{"input": "$(tasks.condition-2.results.outcome)",
      "operator": "in", "values": ["true"]}]}, {"name": "condition-2", "params": [{"name":
      "operand1", "value": "$(params.flip-coin-output)"}, {"name": "operand2", "value":
      "heads"}, {"name": "operator", "value": "=="}], "taskSpec": {"metadata": {"labels":
      {"pipelines.kubeflow.org/cache_enabled": "true", "pipelines.kubeflow.org/generation":
      "", "pipelines.kubeflow.org/pipelinename": ""}}, "params": [{"name": "operand1",
      "type": "string"}, {"name": "operand2", "type": "string"}, {"name": "operator",
      "type": "string"}], "results": [{"description": "Conditional task outcome",
      "name": "outcome", "type": "string"}], "steps": [{"args": ["import sys\ninput1=str.rstrip(sys.argv[1])\ninput2=str.rstrip(sys.argv[2])\ntry:\n  input1=int(input1)\n  input2=int(input2)\nexcept:\n  input1=str(input1)\noutcome=\"true\"
      if (input1 $(inputs.params.operator) input2) else \"false\"\nf = open(\"/tekton/results/outcome\",
      \"w\")\nf.write(outcome)\nf.close()\n", "$(inputs.params.operand1)", "$(inputs.params.operand2)"],
      "command": ["sh", "-ec", "program_path=$(mktemp); printf \"%s\" \"$0\" > \"$program_path\";  python3
      -u \"$program_path\" \"$1\" \"$2\""], "image": "python:alpine3.6", "name": "main"}]}},
      {"name": "flip-component", "params": [{"name": "flip-coin-output", "value":
      "$(tasks.flip-coin-2.results.output)"}, {"name": "just_one_iteration", "value":
      ["1"]}, {"name": "maxVal", "value": "$(params.maxVal)"}], "taskRef": {"apiVersion":
      "custom.tekton.dev/v1alpha1", "kind": "PipelineLoop", "name": "recursion-pipeline-flip-component-1"},
      "when": [{"input": "$(tasks.condition-2.results.outcome)", "operator": "in",
      "values": ["true"]}]}]}}}]'
spec:
  params:
  - name: maxVal
    value: '12'
  pipelineSpec:
    params:
    - name: maxVal
      default: '12'
    tasks:
    - name: flip-coin
      taskSpec:
        steps:
        - name: main
          args:
          - |
            python -c "import random; result = 'heads' if random.randint(0,1) == 0           else 'tails'; print(result)" | tee $0
          - $(results.output.path)
          command:
          - sh
          - -c
          image: python:alpine3.6
        results:
        - name: output
          type: string
          description: /tmp/outputs/output/data
        metadata:
          labels:
            pipelines.kubeflow.org/pipelinename: ''
            pipelines.kubeflow.org/generation: ''
            pipelines.kubeflow.org/cache_enabled: "true"
          annotations:
            pipelines.kubeflow.org/component_spec_digest: '{"name": "flip-coin", "outputs":
              [{"name": "output", "type": "String"}], "version": "flip-coin@sha256=1989ae83915edcd7253e495603317c1f99196f5ef2b0bacb31a0273d941e830d"}'
            tekton.dev/template: ''
      timeout: 525600m
    - name: print-2
      params:
      - name: flip-coin-output
        value: $(tasks.flip-coin.results.output)
      taskSpec:
        steps:
        - name: main
          command:
          - echo
          - cool, it is over. $(inputs.params.flip-coin-output)
          image: alpine:3.6
        params:
        - name: flip-coin-output
        metadata:
          labels:
            pipelines.kubeflow.org/pipelinename: ''
            pipelines.kubeflow.org/generation: ''
            pipelines.kubeflow.org/cache_enabled: "true"
          annotations:
            pipelines.kubeflow.org/component_spec_digest: '{"name": "print", "outputs":
              [], "version": "print@sha256=8232f0c48ead41f53f1c61e3c35a4d3440cdd0591ab17933736e5ed7c8390d5c"}'
            tekton.dev/template: ''
      runAfter:
      - recursion-pipeline-flip-component-1
      timeout: 525600m
    - runAfter:
      - flip-coin
      name: recursion-pipeline-flip-component-1
      taskRef:
        apiVersion: custom.tekton.dev/v1alpha1
        kind: PipelineLoop
        name: recursion-pipeline-flip-component-1
      params:
      - name: flip-coin-output
        value: $(tasks.flip-coin.results.output)
      - name: just_one_iteration
        value:
        - '1'
      - name: maxVal
        value: $(params.maxVal)
  timeout: 525600m