M_Viper/cloudflare-ddns-updater
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cloudflare-ddns-updater
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Merge pull request #5 from paul-nelson-baker/main 

Environment Input Variables with Validation
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Jason K 2021-08-08 18:47:15 +08:00 committed by GitHub
parent ee49627f08 a0362bacba
commit 4ba3e79ce3
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1 changed files with 35 additions and 8 deletions
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43
cloudflare-template.sh
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@ -1,13 +1,40 @@
#!/bin/bash #!/bin/bash
set -u
auth_email="" # The email used to login 'https://dash.cloudflare.com' auth_email="${DDNS_AUTH_EMAIL:-}" # The email used to login 'https://dash.cloudflare.com'
auth_method="token" # Set to "global" for Global API Key or "token" for Scoped API Token auth_method="${DDNS_AUTH_METHOD:-token}" # Set to "global" for Global API Key or "token" for Scoped API Token
auth_key="" # Your API Token or Global API Key auth_key="${DDNS_AUTH_KEY:-}" # Your API Token or Global API Key
zone_identifier="" # Can be found in the "Overview" tab of your domain zone_identifier="${DDNS_ZONE_IDENTIFIER:-}" # Can be found in the "Overview" tab of your domain
record_name="" # Which record you want to be synced record_name="${DDNS_RECORD_NAME:-}" # Which record you want to be synced
proxy=false # Set the proxy to true or false proxy="${DDNS_PROXY:-false}" # Set the proxy to true or false
###########################################
## Validate variables have been set
###########################################
if [ -z "${auth_email}" ]; then
logger "DDNS Updater: DDNS_AUTH_EMAIL was unset"
exit 1
fi
if [ -z "${auth_method}" ]; then
logger "DDNS Updater: DDNS_AUTH_METHOD was unset"
exit 1
fi
if [ -z "${auth_key}" ]; then
logger "DDNS Updater: DDNS_AUTH_KEY was unset"
exit 1
fi
if [ -z "${zone_identifier}" ]; then
logger "DDNS Updater: DDNS_ZONE_IDENTIFIER was unset"
exit 1
fi
if [ -z "${record_name}" ]; then
logger "DDNS Updater: DDNS_RECORD_NAME was unset"
exit 1
fi
if [ -z "${proxy}" ]; then
logger "DDNS Updater: DDNS_PROXY was unset"
exit 1
fi
########################################### ###########################################
## Check if we have a public IP ## Check if we have a public IP
@ -48,7 +75,7 @@ fi
########################################### ###########################################
old_ip=$(echo "$record" | grep -Po '(?<="content":")[^"]*' | head -1) old_ip=$(echo "$record" | grep -Po '(?<="content":")[^"]*' | head -1)
# Compare if they're the same # Compare if they're the same
if [[ $ip == $old_ip ]]; then if [[ $ip == "${old_ip}" ]]; then
logger "DDNS Updater: IP ($ip) for ${record_name} has not changed." logger "DDNS Updater: IP ($ip) for ${record_name} has not changed."
exit 0 exit 0
fi fi