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Add exponential backoff to Cloudflare API calls #121

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Add exponential backoff to Cloudflare API calls

Add exponential backoff to Cloudflare API calls #121

Workflow file for this run

.github/workflows/dns.yml at bb3a88c
---
name: dns
on:
pull_request:
branches:
- master
jobs:
dns:
env:
CLOUDFLARE_ACCOUNT_ID: ${{ secrets.CF_ACCOUNT_ID }}
CLOUDFLARE_API_TOKEN: ${{ secrets.CF_ACCOUNT_TOKEN }}
GITHUB_TOKEN: ${{ secrets.GH_TOKEN }}
WRANGLER_SEND_METRICS: false
OWNER: ${{ github.repository_owner }}
REPOSITORY: ${{ github.repository }}
BRANCH: ${{ github.head_ref }}
CUSTOM_DOMAIN: nephelai.io
if: github.event.pull_request.type != 'closed'
runs-on: ubuntu-latest
steps:
- name: Checkout repository
uses: actions/checkout@v3
- name: Install NodeJS
uses: actions/setup-node@v3
with:
node-version: 18
- name: Install utilities
run: sudo apt-get install -y jq httpie make
- name: Build project
run: make build
- name: Set worker name envvar
run: echo "WORKER=${REPOSITORY/$OWNER\//}-${BRANCH}-${GITHUB_WORKFLOW}" >> $GITHUB_ENV
- name: Set worker fqdn envvar
run: echo "FQDN=${WORKER}.${CUSTOM_DOMAIN}" >> $GITHUB_ENV
- name: Set worker dns content envvar
run: echo "CONTENT=8.8.8.8" >> $GITHUB_ENV
- name: Clean previous records for custom domain
run: >
records=$(npx cfcli --domain ${CUSTOM_DOMAIN} --type A --format json find ${FQDN} ${CONTENT} | jq '. | length' -r);
if [[ $records -gt 0 ]]; then
npx cfcli --domain ${CUSTOM_DOMAIN} find ${FQDN} --format json |
jq '. | map(("--type " + .type + " " + .name + " " + .content)) | .[]' -r |
xargs npx cfcli --domain ${CUSTOM_DOMAIN} rm
fi
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}
- name: Deploy Cloudflare Worker
uses: mathiasvr/command-output@v2.0.0
with:
run: |
echo Deploying worker "$WORKER"; \
make run -- deploy \
--verbose \
--literal GITHUB_APPLY:true \
--variable WORKER \
--secret GITHUB_TOKEN \
--name "$WORKER";
- name: Update Cloudflare worker with custom domain
uses: mathiasvr/command-output@v2.0.0
with:
run: |
echo Deploying worker "$WORKER"; \
make run -- deploy \
--verbose \
--literal GITHUB_APPLY:true \
--variable WORKER \
--secret GITHUB_TOKEN \
--name "$WORKER" \
--route "$FQDN/*";
- name: Test custom domain resolution
run: >
retries=6;
sleep=30;
while [[ $retries > 0 ]]; do
retries=$(( retries - 1 ));
address="$(dig +short $FQDN @1.1.1.1 | head -1)";
if [ -z "$address" ]; then
echo "dns query for record $FQDN returned NXDOMAIN";
sleep $sleep;
else
echo "dns query for record $FQDN returned $address";
exit 0;
fi;
done;
echo "dns record $FQDN was not created on time";
exit 1;
- name: Remove custom domain from Cloudflare worker
uses: mathiasvr/command-output@v2.0.0
with:
run: |
echo Deploying worker "$WORKER"; \
make run -- deploy \
--verbose \
--literal GITHUB_APPLY:true \
--variable WORKER \
--secret GITHUB_TOKEN \
--name "$WORKER";
- name: Test custom domain resolution
run: >
retries=6;
sleep=30;
while [[ $retries > 0 ]]; do
retries=$(( retries - 1 ));
address="$(dig +short $FQDN @1.1.1.1 | head -1)";
if [ -z "$address" ]; then
echo "dns query for record $FQDN returned NXDOMAIN";
exit 0;
else
echo "dns query for record $FQDN returned $address";
sleep $sleep;
fi;
done;
echo "dns record $FQDN was not removed on time";
exit 1;
- name: Delete Cloudflare Worker
uses: mathiasvr/command-output@v2.0.0
with:
run: |
make run -- delete \
--verbose \
--name "$WORKER";
- name: Delete origin record for custom domain
run: >
records=$(npx cfcli --domain ${CUSTOM_DOMAIN} --type A --format json find ${FQDN} ${CONTENT} | jq '. | length' -r);
if [[ $records -gt 0 ]]; then
npx cfcli --domain ${CUSTOM_DOMAIN} --type A rm ${FQDN} ${CONTENT};
fi
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}
- name: Create origin record for custom domain
run: npx cfcli --domain ${CUSTOM_DOMAIN} --activate --type A add ${FQDN} ${CONTENT}
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}
- name: Check custom domain record
run: >
records=$(npx cfcli --domain ${CUSTOM_DOMAIN} --type A --format json find ${FQDN} ${CONTENT} | jq '. | length' -r);
if [[ $records -eq 1 ]]; then
exit 0;
else
exit 1;
fi
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}
- name: Deploy Cloudflare worker with custom domain
uses: mathiasvr/command-output@v2.0.0
with:
run: |
echo Deploying worker "$WORKER"; \
make run -- deploy \
--verbose \
--literal GITHUB_APPLY:true \
--variable WORKER \
--secret GITHUB_TOKEN \
--name "$WORKER" \
--route "$FQDN/*";
- name: Test custom domain endpoint
run: >
address="$(dig +short $FQDN @1.1.1.1 | head -1)";
retries=6;
while [ -z "$address" ]; do
if [[ $retries == 0 ]]; then
exit 1;
else
sleep 10;
address="$(dig +short $FQDN @1.1.1.1 | head -1)";
retries=$((retries - 1));
fi;
done;
return_header=$(curl -sk "https://$FQDN" --resolve "$FQDN:443:$address" -D- | head -1);
return_code=$(echo "$return_header" | awk '{print $2}');
echo "return code is $return_code";
if [[ "$return_code" != "200" ]]; then
exit 1;
fi;
curl -sk "https://$FQDN" --resolve "$FQDN:443:$address" | grep "^Hello world"
- name: Delete Cloudflare Worker
uses: mathiasvr/command-output@v2.0.0
with:
run: |
make run -- delete \
--verbose \
--name "$WORKER";
- name: Check custom domain record
run: >
records=$(npx cfcli --domain ${CUSTOM_DOMAIN} --type A --format json find ${FQDN} ${CONTENT} | jq '. | length' -r);
if [[ $records -eq 1 ]]; then
exit 0;
else
exit 1;
fi
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}
- name: Destroy origin record for custom domain
run: npx cfcli --domain ${CUSTOM_DOMAIN} --type A rm ${FQDN} ${CONTENT}
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}
- name: Check custom domain record
run: >
records=$(npx cfcli --domain ${CUSTOM_DOMAIN} --type A --format json find ${FQDN} ${CONTENT} | jq '. | length' -r);
if [[ $records -eq 0 ]]; then
exit 0;
else
exit 1;
fi
env:
CF_API_KEY: ${{ secrets.CF_ACCOUNT_TOKEN }}