add more restic helper scripts

roles/restic/files/restic-job.sh

@@ -0,0 +1,75 @@
+#!/bin/bash
+
+# Ansible managed
+
+error_exit() {
+    printf "%s\n" "$1"
+    exit 1
+}
+
+RESTIC_ETC_PATH=${RESTIC_ETC_PATH:-/etc/restic}
+RESTIC_PATH=${RESTIC_PATH:-/usr/local/bin/restic}
+
+MAX_ATTEMPTS=60
+NICE="ionice -c2 nice -n19"
+JOB=$1
+
+if [ -z "$JOB" ]; then
+    error_exit "job is missing"
+fi
+
+JOB_PATH="${RESTIC_ETC_PATH}/jobs/${JOB}"
+JOB_ENV="${JOB_PATH}/env.sh"
+
+if [ ! -r "$JOB_ENV" ]; then
+    error_exit "${JOB_ENV} does not exist"
+fi
+
+# shellcheck disable=SC1090
+. "$JOB_ENV"
+
+if [ -z "${REPO+x}" ]; then
+    error_exit "\$REPO is not set"
+fi
+
+REPO_PATH="${RESTIC_ETC_PATH}/repos/${REPO}"
+REPO_ENV="${REPO_PATH}/env.sh"
+
+if [ ! -r "$REPO_ENV" ]; then
+    error_exit "${REPO_ENV} does not exist"
+fi
+
+# shellcheck disable=SC1090
+. "$REPO_ENV"
+
+EXCLUDE_PATH="${JOB_PATH}/exclude.txt"
+
+if [ -z "${PATHS+x}" ]; then
+    error_exit "\$PATHS is not set"
+fi
+
+counter=0
+sleep=1
+rc=1
+
+until [ $counter -eq "$MAX_ATTEMPTS" ] || [ $rc -eq 0 ]; do
+    if [ -r "$EXCLUDE_PATH" ]; then
+        $NICE "$RESTIC_PATH" backup -q --exclude-file="${EXCLUDE_PATH}" "${PATHS}"
+    else
+        $NICE "$RESTIC_PATH" backup -q "${PATHS}"
+    fi
+
+    rc=$?
+
+    if [ $rc -ne 0 ]; then
+      sleep=$((counter * 5))
+      printf "sleeping for %d seconds (%d)\n" $sleep $counter
+      sleep $sleep
+    fi
+
+    (( counter++ ))
+done
+
+if [ $rc -ne 0 ] && [ $counter -eq "$MAX_ATTEMPTS" ]; then
+  printf "restic job timed out, exiting\n"
+fi

roles/restic/files/restic-repo.sh

@@ -0,0 +1,30 @@
+#!/bin/bash
+
+# Ansible managed
+
+error_exit() {
+    printf "%s\n" "$1"
+    exit 1
+}
+
+RESTIC_ETC_PATH=${RESTIC_ETC_PATH:-/etc/restic}
+RESTIC_PATH=${RESTIC_PATH:-/usr/local/bin/restic}
+
+if [ $# -lt 2 ]; then
+    error_exit "missing arguments"
+fi
+
+REPO=$1
+shift
+
+REPO_PATH="${RESTIC_ETC_PATH}/repos/${REPO}"
+REPO_ENV="${REPO_PATH}/env.sh"
+
+if [ ! -r "$REPO_ENV" ]; then
+    error_exit "${REPO_ENV} does not exist"
+fi
+
+# shellcheck disable=SC1090
+. "$REPO_ENV"
+
+$RESTIC_PATH "$@"

roles/restic/files/restic-tidy.sh

@@ -0,0 +1,68 @@
+#!/bin/bash
+
+# {{ ansible_managed }}
+
+error_exit() {
+    printf "%s\n" "$1"
+    exit 1
+}
+
+RESTIC_ETC_PATH=${RESTIC_ETC_PATH:-/etc/restic}
+RESTIC_PATH=${RESTIC_PATH:-/usr/local/bin/restic}
+
+MAX_ATTEMPTS=60
+MAX_SLEEP=43200  # 12 hours
+REPO=$1
+
+if [ -z "$REPO" ]; then
+    error_exit "repo is missing"
+fi
+
+REPO_PATH="${RESTIC_ETC_PATH}/repos/${REPO}"
+REPO_ENV="${REPO_PATH}/env.sh"
+
+if [ ! -r "$REPO_ENV" ]; then
+    error_exit "${REPO_ENV} does not exist"
+fi
+
+# shellcheck disable=SC1090
+. "$REPO_ENV"
+
+KEEP_HOURLY=${KEEP_HOURLY:-24}
+KEEP_DAILY=${KEEP_DAILY:-7}
+KEEP_WEEKLY=${KEEP_WEEKLY:-5}
+KEEP_MONTHLY=${KEEP_MONTHLY:-12}
+KEEP_YEARLY=${KEEP_YEARLY:-10}
+
+# initial sleep
+sleep "$(((RANDOM % MAX_SLEEP) + 1))s"
+
+counter=0
+sleep=1
+rc=1
+
+until [ $counter -eq "$MAX_ATTEMPTS" ] || [ $rc -eq 0 ]; do
+    $RESTIC_PATH forget \
+        --quiet \
+        --host "$(hostname -f)" \
+        --keep-hourly "$KEEP_HOURLY" \
+        --keep-daily "$KEEP_DAILY" \
+        --keep-weekly "$KEEP_WEEKLY" \
+        --keep-monthly "$KEEP_MONTHLY" \
+        --keep-yearly "$KEEP_YEARLY" \
+        --prune
+
+    rc=$?
+
+    if [ $rc -ne 0 ]; then
+      sleep=$((counter * 5))
+      printf "sleeping for %d seconds (%d)\n" $sleep $counter
+      sleep $sleep
+    fi
+
+    (( counter++ ))
+done
+
+if [ $rc -ne 0 ] && [ $counter -eq "$MAX_ATTEMPTS" ]; then
+    printf "tidy timed out, exiting\n"
+fi

roles/restic/tasks/main.yaml

@@ -65,21 +65,17 @@
     - "{{ restic_etc_path }}/repos"
     - "{{ restic_etc_path }}/jobs"
 
-- name: create restic job wrapper script
+- name: copy restic helper scripts
-  template:
+  copy:
-    src: restic-job.sh.j2
+    src: "{{ item }}"
-    dest: "{{ restic_bin_path }}/restic-job"
+    dest: "{{ restic_bin_path }}/{{ item | basename | splitext | first }}"
-    owner: root
-    group: root
-    mode: 0755
-
-- name: create restic tidy wrapper
-  template:
-    src: restic-tidy.sh.j2
-    dest: "{{ restic_bin_path }}/restic-tidy"
     owner: root
     group: root
     mode: 0755
+  loop:
+    - restic-tidy.sh
+    - restic-repo.sh
+    - restic-job.sh
 
 - name: manage repos
   include: repo.yaml

roles/restic/tasks/repo.yaml

@@ -36,6 +36,23 @@
     group: root
     mode: 0400
 
+- name: symlink default repo
+  block:
+    - name: explicit default
+      file:
+        src: "{{ restic_etc_path }}/repos/{{ item.name }}"
+        dest: "{{ restic_etc_path }}/repos/default"
+        state: link
+        force: yes
+      when: item.default is defined and item.default == True
+    - name: implicit default
+      file:
+        src: "{{ restic_etc_path }}/repos/{{ item.name }}"
+        dest: "{{ restic_etc_path }}/repos/default"
+        state: link
+        force: yes
+      when: restic_repos | count == 1
+
 - name: create cron
   cron:
     name: "restic {{ item.name }} tidy"

roles/restic/templates/restic-job.sh.j2

@@ -1,50 +0,0 @@
-#!/bin/bash
-
-# {{ ansible_managed }}
-
-error_exit() {
-    printf "%s\n" "$1"
-    exit 1
-}
-
-NICE="ionice -c2 nice -n19"
-JOB=$1
-
-if [ -z "$JOB" ]; then
-    error_exit "job is missing"
-fi
-
-RESTIC_ETC_PATH="{{ restic_etc_path }}"
-JOB_PATH="${RESTIC_ETC_PATH}/jobs/${JOB}"
-JOB_ENV="${JOB_PATH}/env.sh"
-
-if [ ! -r "$JOB_ENV" ]; then
-    error_exit "${JOB_ENV} does not exist"
-fi
-
-. "$JOB_ENV"
-
-if [ -z "${REPO+x}" ]; then
-    error_exit "\$REPO is not set"
-fi
-
-REPO_PATH="${RESTIC_ETC_PATH}/repos/${REPO}"
-REPO_ENV="${REPO_PATH}/env.sh"
-
-if [ ! -r "$REPO_ENV" ]; then
-    error_exit "${REPO_ENV} does not exist"
-fi
-
-. "$REPO_ENV"
-
-EXCLUDE_PATH="${JOB_PATH}/exclude.txt"
-
-if [ -z "${PATHS+x}" ]; then
-    error_exit "\$PATHS is not set"
-fi
-
-if [ -r "$EXCLUDE_PATH" ]; then
-    $NICE {{ restic_path }} backup -q --exclude-file="${EXCLUDE_PATH}" "${PATHS}"
-else
-    $NICE {{ restic_path }} backup -q "${PATHS}"
-fi

roles/restic/templates/restic-tidy.sh.j2

@@ -1,59 +0,0 @@
-#!/bin/bash
-
-# {{ ansible_managed }}
-
-error_exit() {
-    printf "%s\n" "$1"
-    exit 1
-}
-
-MAX_ATTEMPTS=60
-REPO=$1
-
-if [ -z "$REPO" ]; then
-    error_exit "repo is missing"
-fi
-
-RESTIC_ETC_PATH="{{ restic_etc_path }}"
-REPO_PATH="${RESTIC_ETC_PATH}/repos/${REPO}"
-REPO_ENV="${REPO_PATH}/env.sh"
-
-if [ ! -r "$REPO_ENV" ]; then
-    error_exit "${REPO_ENV} does not exist"
-fi
-
-. "$REPO_ENV"
-
-KEEP_DAILY=${KEEP_DAILY:-7}
-KEEP_WEEKLY=${KEEP_WEEKLY:-5}
-KEEP_MONTHLY=${KEEP_MONTHLY:-12}
-KEEP_YEARLY=${KEEP_YEARLY:-10}
-
-counter=0
-sleep=1
-rc=1
-
-until [ $counter -eq $MAX_ATTEMPTS ] || [ $rc -eq 0 ]; do
-  {{ restic_path }} forget \
-      --quiet \
-      --host $(hostname -f) \
-      --keep-daily "$KEEP_DAILY" \
-      --keep-weekly "$KEEP_WEEKLY" \
-      --keep-monthly "$KEEP_MONTHLY" \
-      --keep-yearly "$KEEP_YEARLY" \
-      --prune
-
-  rc=$?
-
-  if [ $rc -ne 0 ]; then
-    sleep=$((counter * 5))
-    printf "sleeping for %d seconds (%d)\n" $sleep $counter
-    sleep $sleep
-  fi
-
-  let counter+=1
-done
-
-if [ $rc -ne 0 ] && [ $counter -eq $MAX_ATTEMPTS ]; then
-  printf "tidy timed out, exiting\n"
-fi