ovh-ify dyndns

3 files changed, 197 insertions, 0 deletions

diff --git a/roles/domain-zone-management/tasks/main.yml b/roles/domain-zone-management/tasks/main.yml
new file mode 100644
index 0000000..c3592e4
--- /dev/null
+++ b/roles/domain-zone-management/tasks/main.yml
@@ -0,0 +1,34 @@
+- name: Install jq
+  community.general.apk:
+    name: jq
+
+- name: Install OVHCloud CLI
+  ansible.builtin.shell:
+    cmd: curl -fsSL https://raw.githubusercontent.com/ovh/ovhcloud-cli/main/install.sh | sh
+    creates: /usr/bin/ovhcloud
+
+- name: Install OVHCloud CLI config
+  ansible.builtin.template:
+    src: ovh.conf
+    dest: /etc/ovh.conf
+
+- name: Create OVH domain zone append records directory
+  ansible.builtin.file:
+    path: "{{ ovh_domain_zone_append_records_directory }}"
+    state: directory
+
+- name: Create OVH domain zone replace records directory
+  ansible.builtin.file:
+    path: "{{ ovh_domain_zone_replace_records_directory }}"
+    state: directory
+
+- name: Create OVH domain zone log directory
+  ansible.builtin.file:
+    path: "{{ ovh_domain_zone_log_directory }}"
+    state: directory
+
+- name: Install OVHCloud domain zone management script
+  ansible.builtin.template:
+    src: update_ovhcloud_domain_zone
+    dest: /usr/bin/update_ovhcloud_domain_zone
+    mode: "755"
diff --git a/roles/domain-zone-management/templates/ovh.conf b/roles/domain-zone-management/templates/ovh.conf
new file mode 100644
index 0000000..a2c3739
--- /dev/null
+++ b/roles/domain-zone-management/templates/ovh.conf
@@ -0,0 +1,7 @@
+[default]
+endpoint={{ ovhcloud_endpoint }}
+
+[ovh-eu]
+application_key={{ ovhcloud_application_key }}
+application_secret={{ ovhcloud_application_secret }}
+consumer_key={{ ovhcloud_consumer_key }}
diff --git a/roles/domain-zone-management/templates/update_ovhcloud_domain_zone b/roles/domain-zone-management/templates/update_ovhcloud_domain_zone
new file mode 100755
index 0000000..dfeac61
--- /dev/null
+++ b/roles/domain-zone-management/templates/update_ovhcloud_domain_zone
@@ -0,0 +1,156 @@
+#!/bin/sh
+
+
+SCRIPT="$0"
+SCRIPT_DIR=$(cd "${SCRIPT%/*}" && pwd )
+SCRIPT_NAME=${SCRIPT##*/}
+APPEND_RECORDS_DIR="{{ ovh_domain_zone_append_records_directory }}"
+REPLACE_RECORDS_DIR="{{ ovh_domain_zone_replace_records_directory }}"
+mkdir -p ${APPEND_RECORDS_DIR}
+mkdir -p ${REPLACE_RECORDS_DIR}
+
+cut_nth_word()
+{
+  echo "$1" | cut -d ' ' -f "$2"
+}
+
+get_record_subdomain()
+{
+  record="$1"
+  subdomain="$(cut_nth_word "$record" 1)"
+  if test "$(echo "$subdomain" | grep -q [A-Z])"
+  then
+    subdomain="$(cut_nth_word "$record" 2)"
+  fi
+  if test "$subdomain" == "@"
+  then
+    subdomain=""
+  fi
+  echo "$subdomain"
+}
+
+get_record_type()
+{
+  record="$1"
+  record_type="$(cut_nth_word "$record" 2)"
+  if test "$(echo "$record_type" | grep -q [0-9])"
+  then
+    record_type="$(cut_nth_word "$record" 1)"
+  fi
+  echo "$record_type"
+}
+
+get_record_target()
+{
+  record="$1"
+  target_and_ttl="$(cut_nth_word "$record" "3-")"
+  target="$(cut_nth_word "$(echo "$target_and_ttl" | rev)" "2-" | rev)"
+  echo "$target"
+}
+
+get_record_ttl()
+{
+  record="$1"
+  ttl="$(cut_nth_word "$(echo "$record" | rev)" 1 | rev)"
+  echo "$ttl"
+}
+
+find_existing_record_ids()
+{
+  subdomain="$1"
+  record_type="$2"
+  target="$3"
+  query=".subDomain == \"${subdomain}\" and .fieldType == \"${record_type}\""
+  if [ -n "$target" ]
+  then
+    query="${query} and .target == ${target}"
+  fi
+  ovhcloud domain-zone record list joeac.net -o json \
+    | jq "map(select($query))" \
+    | jq "map(.id)" \
+    | grep -Eo [0-9]\+
+}
+
+append_record()
+{
+  subdomain="$1"
+  record_type="$2"
+  target="$3"
+  ttl="$4"
+  echo "Appending record to joeac.net zone: ${record_type} ${subdomain:-@} ${target} ${ttl}"
+  ovhcloud domain-zone record create joeac.net \
+    --field-type "$record_type" \
+    --sub-domain "$subdomain" \
+    --target "$target" \
+    --ttl "$ttl"
+}
+
+replace_records()
+{
+  subdomain="$1"
+  target="$2"
+  ttl="$3"
+  first_existing_record_id="$4"
+  echo "Replacing record ${first_existing_record_id} in joeac.net zone: ${record_type} ${subdomain:-@} ${target} ${ttl}"
+  ovhcloud domain-zone record update joeac.net "$first_existing_record_id" \
+    --sub-domain "${subdomain}" \
+    --target "${target}" \
+    --ttl "${ttl}"
+  shift 4
+  excess_record_ids="$@"
+  if [ -n "$excess_record_ids" ]
+  then
+    for id in "$excess_record_ids"
+    do
+      echo "Removing record ${id} in joeac.net zone: ${record_type} ${subdomain:-@}"
+      ovhcloud domain-zone record delete joeac.net "$id"
+    done
+  fi
+}
+
+if test $(ls ${APPEND_RECORDS_DIR} | wc -l) -eq 0
+then
+  echo "Nothing to append: no zone files in ${APPEND_RECORDS_DIR}"
+else
+  for zone_file in ${APPEND_RECORDS_DIR}/*
+  do
+    while read record
+    do
+      subdomain="$(get_record_subdomain "$record")"
+      record_type="$(get_record_type "$record")"
+      target="$(get_record_target "$record")"
+      ttl="$(get_record_ttl "$record")"
+      if test -z "$(find_existing_record_ids "$subdomain" "$record_type" "$target")"
+      then
+        append_record "$subdomain" "$record_type" "$target" "$ttl"
+      fi
+    done < "${zone_file}"
+  done
+fi
+
+if test $(ls ${REPLACE_RECORDS_DIR} | wc -l) -eq 0
+then
+  echo "Nothing to replace: no zone files in ${REPLACE_RECORDS_DIR}"
+  exit 0
+else
+  for zone_file in ${REPLACE_RECORDS_DIR}/*
+  do
+    while read record
+    do
+      subdomain="$(get_record_subdomain "$record")"
+      record_type="$(get_record_type "$record")"
+      target="$(get_record_target "$record")"
+      ttl="$(get_record_ttl "$record")"
+
+      existing_record_ids="$(find_existing_record_ids "$subdomain" "$record_type")"
+      if test -n "$existing_record_ids"
+      then
+        replace_records "$subdomain" "$target" "$ttl" "$existing_record_ids"
+      else
+        append_record "$subdomain" "$record_type" "$target" "$ttl" "$existing_record_ids"
+      fi
+    done < "${zone_file}"
+  done
+fi
+
+ovhcloud domain-zone refresh joeac.net