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feat: enable automatic configuration from an OCI configuration file

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The individual parameters can still be overridden via the
corresponding OCI_CLI environment variable.

Signed-off-by: Avi Miller <avi.miller@oracle.com>
This commit is contained in:
Avi Miller 2021-06-20 09:06:21 +10:00
parent ed971df93a
commit 946c8b498a
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GPG Key ID: 66D6066620F03B05
1 changed files with 94 additions and 35 deletions
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93
dnsapi/dns_oci.sh
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@ -3,7 +3,10 @@
# Acme.sh DNS API plugin for Oracle Cloud Infrastructure
# Copyright (c) 2021, Oracle and/or its affiliates
#
# Required OCI CLI environment variables:
# The plugin will automatically use the default profile from an OCI SDK and CLI
# configuration file, if it exists.
#
# Alternatively, set the following environment variables:
# - OCI_CLI_TENANCY : OCID of tenancy that contains the target DNS zone
# - OCI_CLI_USER : OCID of user with permission to add/remove records from zones
# - OCI_CLI_REGION : Should point to the tenancy home region
@ -19,18 +22,15 @@ dns_oci_add() {
_fqdn="$1"
_rdata="$2"
if _oci_config; then
if _get_oci_zone; then
if [ "$_sub_domain" ] && [ "$_domain" ]; then
_add_record_body="{\"items\":[{\"domain\":\"${_sub_domain}.${_domain}\",\"rdata\":\"$_rdata\",\"rtype\":\"TXT\",\"ttl\": 30,\"operation\":\"ADD\"}]}"
response=$(_signed_request "PATCH" "/20180115/zones/${_domain}/records" "$_add_record_body")
if [ "$response" ]; then
_info "Success: added TXT record for ${_sub_domain}.${_domain}."
else
_err "Error: failed to add TXT record for ${_sub_domain}.${_domain}."
return 1
fi
else
_err "Check that the user has permission to add records to this zone."
return 1
fi
@ -44,18 +44,15 @@ dns_oci_rm() {
_fqdn="$1"
_rdata="$2"
if _oci_config; then
if _get_oci_zone; then
if [ "$_sub_domain" ] && [ "$_domain" ]; then
_remove_record_body="{\"items\":[{\"domain\":\"${_sub_domain}.${_domain}\",\"rdata\":\"$_rdata\",\"rtype\":\"TXT\",\"operation\":\"REMOVE\"}]}"
response=$(_signed_request "PATCH" "/20180115/zones/${_domain}/records" "$_remove_record_body")
if [ "$response" ]; then
_info "Success: removed TXT record for ${_sub_domain}.${_domain}."
else
_err "Error: failed to remove TXT record for ${_sub_domain}.${_domain}."
return 1
fi
else
_err "Check that the user has permission to remove records from this zone."
return 1
fi
@ -66,12 +63,41 @@ dns_oci_rm() {
}
#################### Private functions below ##################################
_get_oci_zone() {
if ! _oci_config; then
return 1
fi
if ! _get_zone "$_fqdn"; then
_err "Error: DNS Zone not found for $_fqdn in $OCI_CLI_TENANCY"
return 1
fi
return 0
}
_oci_config() {
OCI_CLI_CONFIG_FILE="${OCI_CLI_CONFIG_FILE:-$HOME/.oci/config}"
OCI_CLI_PROFILE="${OCI_CLI_PROFILE:-DEFAULT}"
# Let's try and find the values automagically first
# But still let any environment variables take precendence
if [ -f "$OCI_CLI_CONFIG_FILE" ]; then
_info "Reading OCI configuration file: $(_green "$OCI_CLI_CONFIG_FILE")"
OCI_CLI_TENANCY="${OCI_CLI_TENANCY:-$(_read_oci_config tenancy)}"
OCI_CLI_USER="${OCI_CLI_USER:-$(_read_oci_config user)}"
OCI_CLI_KEY_FILE="${OCI_CLI_KEY_FILE:-$(_read_oci_config key_file)}"
OCI_CLI_REGION="${OCI_CLI_REGION:-$(_read_oci_config region)}"
else
OCI_CLI_TENANCY="${OCI_CLI_TENANCY:-$(_readaccountconf_mutable OCI_CLI_TENANCY)}"
OCI_CLI_USER="${OCI_CLI_USER:-$(_readaccountconf_mutable OCI_CLI_USER)}"
OCI_CLI_KEY="${OCI_CLI_KEY:-$(_readaccountconf_mutable OCI_CLI_KEY)}"
OCI_CLI_REGION="${OCI_CLI_REGION:-$(_readaccountconf_mutable OCI_CLI_REGION)}"
_save_config="true"
fi
_not_set=""
_ret=0
@ -85,7 +111,7 @@ _oci_config() {
if [ -f "$OCI_CLI_KEY_FILE" ]; then
OCI_CLI_KEY=$(_base64 <"$OCI_CLI_KEY_FILE")
else
_err "Fatal: unable to read $OCI_CLI_KEY_FILE."
_err "Fatal: unable to read key file: $OCI_CLI_KEY_FILE"
return 1
fi
fi
@ -106,21 +132,20 @@ _oci_config() {
_err "Fatal: required environment variable(s): ${_not_set} not set."
_ret=1
else
if [ "$_save_config" ]; then
_saveaccountconf_mutable OCI_CLI_TENANCY "$OCI_CLI_TENANCY"
_saveaccountconf_mutable OCI_CLI_USER "$OCI_CLI_USER"
_saveaccountconf_mutable OCI_CLI_KEY "$OCI_CLI_KEY"
_saveaccountconf_mutable OCI_CLI_REGION "$OCI_CLI_REGION"
else
_info "Success: OCI configuration retrieved from $OCI_CLI_CONFIG_FILE."
fi
fi
if ! _contains "PRIVATE KEY" "$OCI_CLI_KEY"; then
OCI_CLI_KEY=$(printf "%s" "$OCI_CLI_KEY" | _dbase64 multiline)
fi
if ! _get_zone "$_fqdn"; then
_err "Error: DNS Zone not found for $_fqdn."
_ret=1
fi
return $_ret
}
@ -244,3 +269,37 @@ _signed_request() {
return $_ret
}
# file key [section]
_read_oci_config() {
_key="$1"
_start_n=$(grep -n '\['"$OCI_CLI_PROFILE"']' "$OCI_CLI_CONFIG_FILE" | cut -d : -f 1)
_debug2 _start_n "$_start_n"
if [ -z "$_start_n" ]; then
_err "Can not find section: $OCI_CLI_PROFILE"
return 1
fi
_start_nn=$(_math "$_start_n" + 1)
_debug2 "_start_nn" "$_start_nn"
_left="$(sed -n "${_start_nn},99999p" "$OCI_CLI_CONFIG_FILE")"
_debug2 _left "$_left"
_end="$(echo "$_left" | grep -n "^\[" | _head_n 1)"
_debug2 "_end" "$_end"
if [ "$_end" ]; then
_end_n=$(echo "$_end" | cut -d : -f 1)
_debug "_end_n" "$_end_n"
_seg_n=$(echo "$_left" | sed -n "1,${_end_n}p")
else
_seg_n="$_left"
fi
_debug2 "_seg_n" "$_seg_n"
_lineini="$(echo "$_seg_n" | grep "^ *$_key *= *")"
_debug2 "_lineini" "$_lineini"
printf "%b" "$(eval "echo $_lineini | sed -e \"s/${_key}[[:space:]]*=[[:space:]]*//g\"")"
}