playbook(memcache): support sudo alias.

Signed-off-by: Cyber-SiKu <[email protected]>

Author: Cyber-SiKu

playbook/memcached/hosts.yaml

@@ -9,6 +9,7 @@ hosts:
     labels:
       - memcached
     envs:
+      - SUDO_ALIAS=sudo
       - IMAGE=memcached:1.6.17
       - LISTEN=10.0.1.1
       - PORT=11211
@@ -18,11 +19,15 @@ hosts:
       - EXT_PATH=/mnt/memcachefile/cachefile:1024G
       - EXT_WBUF_SIZE=8 # size in megabytes of page write buffers.
       - EXT_ITEM_AGE=1 # store items idle at least this long (seconds, default: no age limit)
+      - VERBOSE="v" # v:   verbose (print errors/warnings while in event loop)
+                    # vv:  very verbose (also print client commands/responses)
+                    # vvv: extremely verbose (internal state transitions)
   - host: server-host2
     hostname: 10.0.1.2
     labels:
       - memcached
     envs:
+      - SUDO_ALIAS=sudo
       - IMAGE=memcached:1.6.17
       - LISTEN=10.0.1.2
       - PORT=11211
@@ -32,11 +37,15 @@ hosts:
       - EXT_PATH=/mnt/memcachefile/cachefile:1024G
       - EXT_WBUF_SIZE=8 # size in megabytes of page write buffers.
       - EXT_ITEM_AGE=1 # store items idle at least this long (seconds, default: no age limit)
+      - VERBOSE="v" # v:   verbose (print errors/warnings while in event loop)
+                    # vv:  very verbose (also print client commands/responses)
+                    # vvv: extremely verbose (internal state transitions)
   - host: server-host3
     hostname: 10.0.1.3
     labels:
       - memcached
     envs:
+      - SUDO_ALIAS=sudo
       - IMAGE=memcached:1.6.17
       - LISTEN=10.0.1.3
       - PORT=11211
@@ -46,3 +55,6 @@ hosts:
       - EXT_PATH=/mnt/memcachefile/cachefile:1024G
       - EXT_WBUF_SIZE=8 # size in megabytes of page write buffers.
       - EXT_ITEM_AGE=1 # store items idle at least this long (seconds, default: no age limit)
+      - VERBOSE="v" # v:   verbose (print errors/warnings while in event loop)
+                    # vv:  very verbose (also print client commands/responses)
+                    # vvv: extremely verbose (internal state transitions)

playbook/memcached/scripts/clean.sh

@@ -2,6 +2,7 @@
 
 g_container_name="memcached-"${PORT}
 g_docker_cmd="${SUDO_ALIAS} docker"
+g_rm_cmd="${SUDO_ALIAS} rm -rf"
 
 function msg() {
     printf '%b' "$1" >&2
@@ -33,5 +34,11 @@ stop_container() {
     success "rm container[${g_container_name}]\n"
 }
 
+rm_cachefile() {
+    cachefile_path=(${EXT_PATH//:/ })
+    ${g_rm_cmd} ${cachefile_path}
+}
+
 precheck
 stop_container
+rm_cachefile

playbook/memcached/scripts/deploy.sh

@@ -4,6 +4,9 @@ g_container_name="memcached-"${PORT}
 g_start_args=""
 g_docker_cmd="${SUDO_ALIAS} docker"
 g_lsof_cmd="${SUDO_ALIAS} lsof"
+g_rm_cmd="${SUDO_ALIAS} rm -rf"
+g_mkdir_cmd="${SUDO_ALIAS} mkdir -p"
+g_touch_cmd="${SUDO_ALIAS} touch"
 g_volume_bind=""
 g_status=""
 g_user=""
@@ -37,11 +40,10 @@ precheck() {
 
     # check ext path
     if [ "${EXT_PATH}" ]; then
-        volume_path=(${EXT_PATH//:/ })
-        if [ -f ${volume_path} ]; then
-            die "no file[${volume_path}]"
-            exit 1
-        fi
+        cachefile_path=(${EXT_PATH//:/ })
+        ${g_rm_cmd} ${cachefile_path}
+        ${g_mkdir_cmd} $(dirname ${cachefile_path})
+        ${g_touch_cmd} ${cachefile_path}
     fi
 }
 
@@ -74,6 +76,9 @@ init() {
     if [ "${EXT_ITEM_AGE}" ]; then
         g_start_args="${g_start_args} --extended ext_item_age=${EXT_ITEM_AGE}"
     fi
+    if [ "${VERBOSE}" ];then
+        g_start_args="${g_start_args} -${VERBOSE}"
+    fi
 }
 
 create_container() {

playbook/memcached/scripts/start.sh

@@ -0,0 +1,44 @@
+#!/usr/bin/env bash
+
+g_container_name="memcached-"${PORT}
+g_docker_cmd="${SUDO_ALIAS} docker"
+g_rm_cmd="${SUDO_ALIAS} rm -rf"
+g_mkdir_cmd="${SUDO_ALIAS} mkdir -p"
+g_touch_cmd="${SUDO_ALIAS} touch"
+g_status="running"
+
+function msg() {
+    printf '%b' "$1" >&2
+}
+
+function success() {
+    msg "\33[32m[✔]\33[0m ${1}${2}"
+}
+
+function die() {
+    msg "\33[31m[✘]\33[0m ${1}${2}"
+    exit 1
+}
+
+precheck() {
+    # check ext path
+    get_status_container
+    if [ "${EXT_PATH}" ] && [ ${g_status} != "running" ]; then
+        cachefile_path=(${EXT_PATH//:/ })
+        ${g_rm_cmd} ${cachefile_path}
+        ${g_mkdir_cmd} $(dirname ${cachefile_path})
+        ${g_touch_cmd} ${cachefile_path}
+    fi
+}
+
+start_container() {
+    ${g_docker_cmd} start ${g_container_name} >& /dev/null
+    success "start container[${g_container_name}]\n"
+}
+
+get_status_container() {
+    g_status=`${g_docker_cmd} inspect --format='{{.State.Status}}' ${g_container_name}`
+}
+
+precheck
+start_container

playbook/memcached/scripts/status.sh

@@ -5,6 +5,7 @@ g_start_args=""
 g_docker_cmd="${SUDO_ALIAS} docker"
 g_volume_bind=""
 g_container_id=""
+g_status="running"
 
 function msg() {
     printf '%b' "$1" >&2
@@ -35,6 +36,14 @@ show_ip_port() {
     printf "memcached addr:\t%s:%d\n" ${LISTEN} ${PORT}
 }
 
+get_status_container() {
+    g_status=`${g_docker_cmd} inspect --format='{{.State.Status}}' ${g_container_name}`
+    if [ ${g_status} != "running" ]; then
+            exit 1
+    fi
+}
+
 precheck
+show_ip_port
 show_info_container
-show_ip_port
+get_status_container