feat: add cf-ip-monitor

.github/workflows/cf-ip-monitor.yml

@@ -0,0 +1,24 @@
+name: Cloudflare IP Monitor
+
+on:
+  schedule:
+    - cron: 0 12 * * * # every day at 12:00
+
+jobs:
+  check:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Check IPs
+        run: |
+          cd hack/cf-ip-monitor || exit
+          bash check.sh
+        shell: bash
+      - name: Create Issue
+        uses: JasonEtco/create-an-issue@v2
+        if: env.CHANGED == 1
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        with:
+          filename: hack/cf-ip-monitor/ISSUE_TEMPLATE.md

hack/cf-ip-monitor/ISSUE_TEMPLATE.md

@@ -0,0 +1,4 @@
+---
+title: :bomb: `Bug`: Cloudflare IPs-v4 Changed assignees: IronCore864, daniel-hutao labels: bug
+---
+Please see the [ips-v4](https://github.com/devstream-io/devstream/blob/main/hack/cf-ip-monitor/ips-v4) file

hack/cf-ip-monitor/check.sh

@@ -0,0 +1,13 @@
+curl -sL https://www.cloudflare.com/ips-v4 | grep -v '^$' >ips-v4
+cat ips-v4
+if git status --porcelain | grep -q "^ M";then
+  echo "ips-v4 changed"
+  echo "CHANGED=1" >> "$GITHUB_ENV"
+  git config user.name 'github-actions[bot]'
+  git config user.email 'github-actions[bot]@users.noreply.github.com'
+  git add ips-v4
+  git commit -m "chore: ips-v4 changed"
+  git push
+else
+  echo "ips-v4 not changed"
+fi

hack/cf-ip-monitor/ips-v4

@@ -0,0 +1,15 @@
+173.245.48.0/20
+103.21.244.0/22
+103.22.200.0/22
+103.31.4.0/22
+141.101.64.0/18
+108.162.192.0/18
+190.93.240.0/20
+188.114.96.0/20
+197.234.240.0/22
+198.41.128.0/17
+162.158.0.0/15
+104.16.0.0/13
+104.24.0.0/14
+172.64.0.0/13
+131.0.72.0/22