Introduce create ticket script

Signed-off-by: Or Shoval <[email protected]>

Author: oshoval

.gitignore

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Dockerfile

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+FROM fedora:32
+
+RUN dnf install -y python3 git pip \
+    && dnf clean all \
+    && rm -rf /var/cache/yum
+
+RUN pip install requests jira
+
+CMD [“echo”, “Hello World”]
+

LICENSE

@@ -186,7 +186,7 @@
       same "printed page" as the copyright notice for easier
       identification within third-party archives.
 
-   Copyright [yyyy] [name of copyright owner]
+   Copyright [2021] [Red Hat, Inc]
 
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.

README.md

@@ -1,2 +1,57 @@
 # github2jira
-Scrap github issues and create Jira tickets
+github2jira automates mirroring of github issues to Jira tickets.
+
+The tool scans github for issues that match the desired criteria,
+and for each one of them creates a Jira ticket (unless it already exists).
+
+## One time configuration
+1. Create github token https://github.com/settings/tokens, refer it as `GITHUB_TOKEN`
+2. Make sure you have a Jira bot access (either a user:pass or user:token), refer as `JIRA_USERNAME`,`JIRA_TOKEN`
+3. Get your Jira project id, refer as `JIRA_PROJECT_ID`  
+`curl -s -u JIRA_USERNAME:JIRA_TOKEN -X GET -H "Content-Type: application/json" <JIRA_SERVER>/rest/api/latest/project/<JIRA_PROJECT> | jq .id`
+
+## Running manually
+
+1. export the following envvars:
+```
+export JIRA_SERVER=<..> # for example https://nmstate.atlassian.net
+export JIRA_PROJECT=<..> # name of the Jira project (ticket names are JIRA_PROJECT-#)
+export JIRA_PROJECT_ID=<..> # see "One time configuration" section
+export JIRA_COMPONENT=<..> # which component to set in the created tickets
+export GITHUB_OWNER=<..> # the x of https://github.com/x/y
+export GITHUB_REPO=<..> # the y of https://github.com/x/y
+export GITHUB_LABEL=<..> # which label to filter
+
+export JIRA_USERNAME=<..> # see "One time configuration" section
+export JIRA_TOKEN=<..> # see "One time configuration" section
+export GITHUB_TOKEN=<..> # see "One time configuration" section
+```
+
+2. Run `./create_ticket.py` in order to fetch github issues and create a ticket for them
+
+### Additional settings
+
+`dryrun`: Use `./create_ticket.py --dryrun` in order to run the tool in dryrun mode.
+dryrun mode will fetch github issues, and report what Jira tickets it would create,
+but without creating them.
+
+## Running as k8s payload
+
+In order to have a fully automated mirroring process,
+it is suggested to run the tool as a cron jon.
+
+One of the methods to achieve it, is to run it as k8s CronJob payload.
+
+### One time configuration: Build docker image for the script
+
+1. From the project folder, run `docker build -f Dockerfile -t <image> .`  
+once its done, push it to your image repository, or rename and push to a local registry.
+
+### Deploy as k8s payload
+
+1. Create secret.txt with the exports from the section above (include the export command).
+
+2. Create a configmap for the txt file
+`kubectl create configmap git-token --from-file=secret.txt`
+
+3. Deploy either a pod or a CronJob (see manifests folder).

config.py

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+#!/usr/bin/env python3
+#
+# This file is part of the github2jira project
+#
+# 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.
+#
+# Copyright 2021 Red Hat, Inc.
+#
+
+import os
+
+
+class Config:
+    def __init__(self, var_names):
+        self.var_names = var_names
+        self.vars = {}
+
+    def Load(self):
+        for var_name in self.var_names:
+            value = os.getenv(var_name)
+            if value is None:
+                print(f"Error: cant find {var_name}")
+                return False
+            self.vars[var_name] = value
+        return True

githublib.py

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+#!/usr/bin/env python3
+#
+# This file is part of the github2jira project
+#
+# 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.
+#
+# Copyright 2021 Red Hat, Inc.
+#
+
+import time
+import requests
+
+from datetime import datetime
+
+from config import Config
+
+SECONDS_PER_WEEK = 604800
+# max github pages to process
+GITHUB_MAX_PAGES = 20
+# process upto x weeks back
+MAX_DELTA_WEEKS = 4
+
+
+class GithubConfig(Config):
+    def __init__(self):
+        super().__init__(
+            ["GITHUB_TOKEN", "GITHUB_OWNER", "GITHUB_REPO", "GITHUB_LABEL"]
+        )
+
+
+class Issue:
+    @staticmethod
+    def filter(issue, expected_label):
+        if expected_label == "":
+            return True
+        for label in issue["labels"]:
+            if label["name"] == expected_label:
+                return True
+        return False
+
+    @staticmethod
+    def age_relevant(issue, max_delta):
+        epoch_time_now = int(time.time())
+        TIME_FORMAT = "%Y-%m-%dT%H:%M:%SZ"
+        timestamp = issue["created_at"]
+        epoch = int(datetime.strptime(timestamp, TIME_FORMAT).timestamp())
+        return (epoch_time_now - epoch) < (max_delta * SECONDS_PER_WEEK)
+
+
+class Github:
+    def __init__(self, cfg):
+        self.owner = cfg.vars["GITHUB_OWNER"]
+        self.repo = cfg.vars["GITHUB_REPO"]
+        self.expected_label = cfg.vars["GITHUB_LABEL"]
+        self.query_url = f"https://api.github.com/repos/{self.owner}/{self.repo}/issues"
+        self.headers = {"Authorization": f"token {cfg.vars['GITHUB_TOKEN']}"}
+
+    def issues(self):
+        for page in range(1, GITHUB_MAX_PAGES):
+            params = {"state": "open", "page": page, "per_page": "100"}
+            r = requests.get(self.query_url, headers=self.headers, params=params)
+            issues = r.json()
+
+            if len(issues) == 0:
+                return
+
+            for issue in issues:
+                if "pull" in issue["html_url"]:
+                    continue
+
+                if Issue.filter(issue, self.expected_label) and Issue.age_relevant(
+                    issue, MAX_DELTA_WEEKS
+                ):
+                    yield (issue)