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Update Digital Ocean Floating IP and Cloudflare DNS Record
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#!/bin/bash | |
DO_TOKEN= | |
DO_API=https://api.digitalocean.com/v2 | |
CF_API_KEY= | |
CF_AUTH_EMAIL= | |
CF_ROOT_DOMAIN= | |
CF_RECORD= | |
CF_API=https://api.cloudflare.com/client/v4 | |
writeLog() { | |
echo $(date -u "+%Y-%m-%dT%H:%M:%SZ") $@ | |
} | |
getDOInfo() { | |
local result=$(curl -sX GET -H "Content-Type: application/json" \ | |
-H "Authorization: Bearer ${DO_TOKEN}" \ | |
"${DO_API}/floating_ips?page=1&per_page=20") | |
Old_Floating_IP=$(echo ${result} | jq -r '.floating_ips[0].ip') | |
Droplet_ID=$(echo ${result} | jq -r '.floating_ips[0].droplet.id') | |
Droplet_Name=$(echo ${result} | jq -r '.floating_ips[0].droplet.name') | |
writeLog ${Droplet_Name}"["${Droplet_ID}"]: Floating IP:"${Old_Floating_IP} | |
} | |
updateFIP() { | |
curl -sX POST -H "Content-Type: application/json" \ | |
-H "Authorization: Bearer ${DO_TOKEN}"\ | |
-d '{"type":"unassign"}' \ | |
"${DO_API}/floating_ips/${Old_Floating_IP}/actions" > /dev/null | |
sleep 10s | |
local result=$(curl -sX POST -H "Content-Type: application/json" \ | |
-H "Authorization: Bearer ${DO_TOKEN}" \ | |
-d '{"droplet_id": '"${Droplet_ID}"'}' \ | |
"${DO_API}/floating_ips") | |
curl -sX DELETE -H "Content-Type: application/json" \ | |
-H "Authorization: Bearer ${DO_TOKEN}" \ | |
"${DO_API}/floating_ips/${Old_Floating_IP}" > /dev/null | |
New_Floating_IP=$(echo ${result} | jq -r '.floating_ip.ip') | |
writeLog "New Floating IP is:" ${New_Floating_IP} | |
} | |
getZone() { | |
ZONE_ID=$(curl --fail -sX GET "${CF_API}/zones/?name=${CF_ROOT_DOMAIN}" \ | |
-H "X-Auth-Key:${CF_API_KEY}" \ | |
-H "X-Auth-Email:${CF_AUTH_EMAIL}" \ | |
-H "Content-Type: application/json" | jq -r .result[0].id) | |
writeLog "DNS zone ID:" ${ZONE_ID} | |
} | |
getRecords() { | |
local result=$(curl -sX GET "${CF_API}/zones/${ZONE_ID}/dns_records?type=A&name=${CF_RECORD}&page=1&per_page=20&order=type&direction=desc&match=all" \ | |
-H "X-Auth-Key:${CF_API_KEY}" \ | |
-H "X-Auth-Email:${CF_AUTH_EMAIL}" \ | |
-H "Content-Type: application/json") | |
RID=$(echo ${result} | jq -r '.result[].id') | |
CF_OIP=$(echo ${result} | jq -r '.result[0].content') | |
writeLog "DNS record ID:" ${RID} | |
} | |
updateRecord() { | |
writeLog "Updating DNS A Record for" ${CF_RECORD} "From:" ${CF_OIP} "To:" ${New_Floating_IP} | |
local result=$(curl -sX PUT "${CF_API}/zones/${ZONE_ID}/dns_records/${RID}" \ | |
-H "X-Auth-Key:${CF_API_KEY}" \ | |
-H "X-Auth-Email:${CF_AUTH_EMAIL}" \ | |
-H "Content-Type: application/json" \ | |
--data "$(printf '{"id":"%s","type":"A","name":"%s","content":"%s","ttl":1}' $RID $CF_RECORD $New_Floating_IP)") | |
writeLog "success:" $(echo ${result} | jq -r '.success') | |
} | |
run(){ | |
getDOInfo | |
updateFIP | |
getZone | |
getRecords | |
updateRecord | |
} | |
run |
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