377 lines
10 KiB
Bash
Executable file
377 lines
10 KiB
Bash
Executable file
#!/usr/bin/env bash
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# Provision an application for a user for IndiePaaS
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#
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# This file:
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# - Registers the domain name to NameCheap
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# - Generates the TLS certificate associated
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# - Configures the DNS
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# - Configures the mail forwarding
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#
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# Version 0.0.2
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#
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# Authors:
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# - Pierre Ozoux (pierre-o.fr)
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#
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# Usage:
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# LOG_LEVEL=7 ./provision.sh -e test@test.org -a known -u example.org -g -b -c
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#
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# Licensed under AGPLv3
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### Configuration
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#####################################################################
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# Environment variables and their defaults
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LOG_LEVEL="${LOG_LEVEL:-6}" # 7 = debug -> 0 = emergency
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# Commandline options. This defines the usage page, and is used to parse cli
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# opts & defaults from. The parsing is unforgiving so be precise in your syntax
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read -r -d '' usage <<-'EOF'
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-a [arg] Application to provision (static, wordpress or known). Required.
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-e [arg] Email of the user of the application. Required.
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-u [arg] URL to process. Required.
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-f [arg] Certificate file to use.
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-g Generate the necessary certificate.
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-b Buy the associated domain name.
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-c Configure DNS on Namecheap.
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-d Enables debug mode
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-h This page
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EOF
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### Functions
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#####################################################################
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function contains () {
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local n=$#
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local value=${!n}
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for ((i=1;i < $#;i++)) {
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if [ "${!i}" == "${value}" ]; then
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echo "y"
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return 0
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fi
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}
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echo "n"
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return 1
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}
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function TLD () {
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echo ${arg_u} | cut -d. -f2,3
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}
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function SLD () {
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echo ${arg_u} | cut -d. -f1
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}
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function call_API () {
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url="https://api.$NAMECHEAP_URL/xml.response\?ApiUser=${NAMECHEAP_API_USER}&ApiKey=${NAMECHEAP_API_KEY}&UserName=${NAMECHEAP_API_USER}&ClientIp=${IP}$1"
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output=$(curl -s ${url})
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if [ $(echo ${output} | grep -c 'Status="OK"') -eq 0 ]; then
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error "API call failed. Please read the output"
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echo ${output}
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exit 1
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else
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info "API call is a success."
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fi
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}
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function scaffold () {
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supported_applications=( "static" "wordpress" "known" )
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if [ $(contains "${supported_applications[@]}" "${arg_a}") == "n" ]; then
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error "Application ${arg_a} is not yet supported."
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exit 1
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fi
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info "ceating application folder"
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mkdir -p ${FOLDER}
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info "creating .env"
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echo "EMAIL=${arg_e}" > ${FOLDER}/.env
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case "${arg_a}" in
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"static" )
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echo APPLICATION=nginx >> ${FOLDER}/.env
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echo DOCKER_ARGUMENTS="-v ${APP_FODLER}/www-content:/app" >> ${FOLDER}/.env
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;;
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"wordpress" )
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echo APPLICATION=${arg_a} >> ${FOLDER}/.env
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echo DOCKER_ARGUMENTS="--link mysql-${arg_u}:db \
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-v ${APP_FODLER}/data:/app/wp-content \
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-v ${APP_FODLER}/.htaccess:/app/.htaccess \
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--env-file ${APP_FODLER}/.env" >> ${FOLDER}/.env
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;;
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"known" )
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echo APPLICATION=${arg_a} >> ${FOLDER}/.env
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echo DOCKER_ARGUMENTS="--link mysql-${arg_u}:db \
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-v ${APP_FODLER}/data:/app/Uploads \
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-v ${APP_FODLER}/.htaccess:/app/.htaccess \
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--env-file ${APP_FODLER}/.env" >> ${FOLDER}/.env
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;;
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esac
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info "Scaffold created with success."
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}
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function buy_domain_name () {
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not_supported_extensions=( "us" "eu" "nu" "asia" "ca" "co.uk" "me.uk" "org.uk" "com.au" "net.au" "org.au" "es" "nom.es" "com.es" "org.es" "de" "fr" )
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if [ $(contains "${not_supported_extensions[@]}" "$(TLD)") == "y" ]; then
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error "Extension .$(TLD) is not yet supported.."
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exit 1
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fi
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info "Buying Domain name."
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arguments="&Command=namecheap.domains.create\
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&DomainName=${arg_u}\
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&Years=1\
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&AuxBillingFirstName=${FirstName}\
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&AuxBillingLastName=${LastName}\
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&AuxBillingAddress1=${Address}\
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&AuxBillingCity=${City}\
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&AuxBillingPostalCode=${PostalCode}\
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&AuxBillingCountry=${Country}\
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&AuxBillingPhone=${Phone}\
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&AuxBillingEmailAddress=${EmailAddress}\
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&AuxBillingStateProvince=${City}\
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&TechFirstName=${FirstName}\
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&TechLastName=${LastName}\
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&TechAddress1=${Address}\
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&TechCity=${City}\
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&TechPostalCode=${PostalCode}\
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&TechCountry=${Country}\
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&TechPhone=${Phone}\
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&TechEmailAddress=${EmailAddress}\
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&TechStateProvince=${City}\
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&AdminFirstName=${FirstName}\
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&AdminLastName=${LastName}\
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&AdminAddress1=${Address}\
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&AdminCity=${City}\
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&AdminPostalCode=${PostalCode}\
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&AdminCountry=${Country}\
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&AdminPhone=${Phone}\
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&AdminEmailAddress=${EmailAddress}\
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&AdminStateProvince=${City}\
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&RegistrantFirstName=${FirstName}\
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&RegistrantLastName=${LastName}\
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&RegistrantAddress1=${Address}\
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&RegistrantCity=${City}\
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&RegistrantPostalCode=${PostalCode}\
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&RegistrantCountry=${Country}\
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&RegistrantPhone=${Phone}\
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&RegistrantEmailAddress=${EmailAddress}\
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&RegistrantStateProvince=${City}"
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call_API ${arguments}
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info "Changing email forwarding."
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arguments="&Command=namecheap.domains.dns.setEmailForwarding\
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&DomainName=${arg_u}\
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&mailbox1=hostmaster\
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&ForwardTo1=${EmailAddress}"
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call_API ${arguments}
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}
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function provision_certificate () {
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filename=$(basename "${arg_f}")
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extension="${filename##*.}"
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if [ "${extension}" != "pem" ]; then
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error "File extension must be pem."
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exit 1
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fi
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info "Provisionning certificate."
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cp -Ra $(dirname ${arg_f}) ${TLS_FOLDER}
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cd ${TLS_FOLDER}
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mv *.pem ${arg_u}.pem
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}
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function generate_certificate () {
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info "creating TLS ans CSR folder."
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mkdir -p ${TLS_FOLDER}/CSR
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info "Generating the key."
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openssl genrsa -out ${TLS_FOLDER}/CSR/${arg_u}.key 4096
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info "Creating the request."
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openssl req -new \
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-key ${TLS_FOLDER}/CSR/${arg_u}.key \
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-out ${TLS_FOLDER}/CSR/${arg_u}.csr \
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-subj "/C=${CountryCode}/ST=${City}/L=${City}/O=${arg_u}/OU=/CN=${arg_u}/emailAddress=${EmailAddress}"
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info "Here is your CSR, paste it in your Certificate authority interface."
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echo ""
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cat ${TLS_FOLDER}/CSR/${arg_u}.csr
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echo ""
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info "You should have received a certificate."
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info "Please paste your certificate now: (finish with ctrl-d)"
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cat > ${TLS_FOLDER}/CSR/${arg_u}.crt
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info "Concat certificate, CA and key into pem file."
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cat ${TLS_FOLDER}/CSR/${arg_u}.crt /data/indiehosters/scripts/sub.class2.server.ca.pem /data/indiehosters/scripts/ca.pem ${TLS_FOLDER}/CSR/${arg_u}.key > ${TLS_FOLDER}/${arg_u}.pem
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}
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function configure_dns () {
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info "Configuring DNS."
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arguments="&Command=namecheap.domains.dns.setHosts\
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&DomainName=${arg_u}\
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&SLD=$(SLD)\
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&TLD=$(TLD)\
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&HostName1=@\
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&RecordType1=A\
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&Address1=${IP}\
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&HostName2=www\
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&RecordType2=CNAME\
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&Address2=${arg_u}\
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&HostName3=mail\
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&RecordType3=A\
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&Address3=${IP}\
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&HostName4=@\
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&RecordType4=MX\
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&Address4=mail.${arg_u}\
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&MXPref4=10\
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&EmailType=mx"
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call_API ${arguments}
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}
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function _fmt () {
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local color_ok="\x1b[32m"
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local color_bad="\x1b[31m"
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local color="${color_bad}"
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if [ "${1}" = "debug" ] || [ "${1}" = "info" ] || [ "${1}" = "notice" ]; then
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color="${color_ok}"
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fi
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local color_reset="\x1b[0m"
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if [[ "${TERM}" != "xterm"* ]] || [ -t 1 ]; then
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# Don't use colors on pipes or non-recognized terminals
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color=""; color_reset=""
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fi
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echo -e "$(date -u +"%Y-%m-%d %H:%M:%S UTC") ${color}$(printf "[%9s]" ${1})${color_reset}";
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}
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function emergency () { echo "$(_fmt emergency) ${@}" 1>&2 || true; exit 1; }
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function alert () { [ "${LOG_LEVEL}" -ge 1 ] && echo "$(_fmt alert) ${@}" 1>&2 || true; }
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function critical () { [ "${LOG_LEVEL}" -ge 2 ] && echo "$(_fmt critical) ${@}" 1>&2 || true; }
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function error () { [ "${LOG_LEVEL}" -ge 3 ] && echo "$(_fmt error) ${@}" 1>&2 || true; }
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function warning () { [ "${LOG_LEVEL}" -ge 4 ] && echo "$(_fmt warning) ${@}" 1>&2 || true; }
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function notice () { [ "${LOG_LEVEL}" -ge 5 ] && echo "$(_fmt notice) ${@}" 1>&2 || true; }
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function info () { [ "${LOG_LEVEL}" -ge 6 ] && echo "$(_fmt info) ${@}" 1>&2 || true; }
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function debug () { [ "${LOG_LEVEL}" -ge 7 ] && echo "$(_fmt debug) ${@}" 1>&2 || true; }
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function help () {
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echo "" 1>&2
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echo " ${@}" 1>&2
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echo "" 1>&2
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echo " ${usage}" 1>&2
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echo "" 1>&2
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exit 1
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}
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### Parse commandline options
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#####################################################################
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# Translate usage string -> getopts arguments, and set $arg_<flag> defaults
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while read line; do
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opt="$(echo "${line}" |awk '{print $1}' |sed -e 's#^-##')"
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if ! echo "${line}" |egrep '\[.*\]' >/dev/null 2>&1; then
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init="0" # it's a flag. init with 0
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else
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opt="${opt}:" # add : if opt has arg
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init="" # it has an arg. init with ""
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fi
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opts="${opts}${opt}"
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varname="arg_${opt:0:1}"
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if ! echo "${line}" |egrep '\. Default=' >/dev/null 2>&1; then
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eval "${varname}=\"${init}\""
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else
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match="$(echo "${line}" |sed 's#^.*Default=\(\)#\1#g')"
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eval "${varname}=\"${match}\""
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fi
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done <<< "${usage}"
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# Reset in case getopts has been used previously in the shell.
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OPTIND=1
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# Overwrite $arg_<flag> defaults with the actual CLI options
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while getopts "${opts}" opt; do
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line="$(echo "${usage}" |grep "\-${opt}")"
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[ "${opt}" = "?" ] && help "Invalid use of script: ${@} "
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varname="arg_${opt:0:1}"
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default="${!varname}"
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value="${OPTARG}"
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if [ -z "${OPTARG}" ] && [ "${default}" = "0" ]; then
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value="1"
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fi
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eval "${varname}=\"${value}\""
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debug "cli arg ${varname} = ($default) -> ${!varname}"
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done
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shift $((OPTIND-1))
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[ "$1" = "--" ] && shift
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### Switches (like -d for debugmdoe, -h for showing helppage)
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#####################################################################
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# debug mode
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if [ "${arg_d}" = "1" ]; then
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set -o xtrace
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LOG_LEVEL="7"
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fi
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# help mode
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if [ "${arg_h}" = "1" ]; then
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# Help exists with code 1
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help "Help using ${0}"
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fi
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### Validation (decide what's required for running your script and error out)
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#####################################################################
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[ -z "${arg_a}" ] && help "Application is required."
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[ -z "${arg_e}" ] && help "Email is required."
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[ -z "${arg_u}" ] && help "URL is required."
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[ -z "${LOG_LEVEL}" ] && emergency "Cannot continue without LOG_LEVEL."
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### Runtime
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#####################################################################
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# Exit on error. Append ||true if you expect an error.
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# set -e is safer than #!/bin/bash -e because that is neutralised if
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# someone runs your script like `bash yourscript.sh`
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set -o errexit
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set -o nounset
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# Bash will remember & return the highest exitcode in a chain of pipes.
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# This way you can catch the error in case mysqldump fails in `mysqldump |gzip`
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set -o pipefail
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if [[ "${OSTYPE}" == "darwin"* ]]; then
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info "You are on OSX"
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fi
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FOLDER=/data/domains/${arg_u}
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APP_FODLER=${FOLDER}/${arg_a}
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TLS_FOLDER=${FOLDER}/TLS
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[ ${arg_b} -eq 1 ] && buy_domain_name
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scaffold
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[ ${arg_g} -eq 1 ] && generate_certificate
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[ ! -z "${arg_f}" ] && provision_certificate
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[ ${arg_c} -eq 1 ] && configure_dns
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exit 0
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