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cm-watanabeseigo/show-manual_restore-from-ami.sh

Last active July 24, 2018 04:51
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AMIバックアップからのリストア手順を出力する
Raw
show-manual_restore-from-ami.sh
#!/bin/bash
#----#----#----#----#----#----#----#----#----#----#----#----#----#----#----#
function msg() {
printf "$*" >&2
}
# ヘルプメッセージ
function usage() {
printf "usage: %s <EC2 Instance ID> [<AMI ID>]\n\n" ${0##*/} >&2
exit
}
# 英小文字 -> 英大文字
function toupper() {
echo $1 | tr 'a-z' 'A-Z'
}
#----#----#----#----#----#----#----#----#----#----#----#----#----#----#----#
EC2_INSTANCE_ID=$1
AMI_ID=$2
# 必要なコマンドがインストールされているか確認
cmd_list='
aws
jq
'
cmd_miss=0
for cmd in $(echo $cmd_list | xargs); do
if [ "$(which $cmd 2>&1)" = "" ]; then
echo "ERROR: コマンドが見つかりません: $cmd"
cmd_miss=1
fi
done
if [ $cmd_miss != 0 ]; then exit; fi
# 引数の確認
if [ "$EC2_INSTANCE_ID" = "" ]; then
# EC2_INSTANCE_ID の指定がなかったら終了
usage
fi
# クレデンシャルの確認(クレデンシャルが設定されていなかったら終了)
msg "checking identity...\r"
aws sts get-caller-identity >/dev/null || exit
msg " \r"
# 必要な情報の収集
## EC2インスタンスからデバイス名とボリュームIDのリスト取得
## ex) [{"DeviceName":"/dev/sda1","VolumeId":"vol-1234abcd"}, {...}]
msg "collecting volume devices...\r" >&2
EC2_DESCRIBE_JSON=$(aws ec2 describe-instances --instance-ids ${EC2_INSTANCE_ID})
if [ "$?" != "0" ]; then
# EC2インスタンスの情報収集で失敗したら終了
usage
fi
dev_vol_json=$(echo $EC2_DESCRIBE_JSON | jq -c '.[][]|.Instances[].BlockDeviceMappings[]|{"DeviceName":.DeviceName,"VolumeId":.Ebs.VolumeId}')
DEVICES=$(echo ${dev_vol_json} | jq -r '.DeviceName' | sort)
DEVICES_UPCASE=$(echo $DEVICES | sed -Ee 's|/[^ ]*/||'g | tr 'a-z' 'A-Z')
msg " \r"
if [ "$AMI_ID" != "" ]; then
# AMIから取得したデバイスリストと比較して確認
msg "checking ami...\r"
AMI_DESCRIBE_JSON=$(aws ec2 describe-images --image-ids ${AMI_ID})
AMI_DEVICES=$(echo $AMI_DESCRIBE_JSON | jq -r '.[][].BlockDeviceMappings[].DeviceName' | sort)
if [ "$DEVICES" != "$AMI_DEVICES" ]; then
echo "ERROR: 指定されたEC2インスタンスとAMIのデバイスが合っていません"
usage
fi
msg " \r"
# AMIからスナップショットIDを取得
msg "collecting snapshot ids from ami...\r"
dev_snap_json=$(echo $AMI_DESCRIBE_JSON | jq -c '.[][].BlockDeviceMappings[]|{"DeviceName":.DeviceName,"SnapshotId":.Ebs.SnapshotId}')
msg " \r"
mode=0
note=''
else
# AMI ID の指定がなかったらテンプレートモード
# テンプレートモード
AMI_ID="＊＊＊"
mode=1
note='
# 実行時に、下記環境変数に手動でパラメータを補って下さい（＊＊＊の部分）
# AMI_ID
# SNAP_ID_(デバイス名)
'
fi
# 各ボリュームのタグ・AZ・タイプ情報を取得
msg "collecting volume infos...\r"
vol_info_json=$(
for vol_id in $(echo ${dev_vol_json} | jq -r '.VolumeId'); do
aws ec2 describe-volumes --volume-id ${vol_id} \
| jq -c '.[][]|{"VolumeId":.VolumeId,"Tags":.Tags,"AvailabilityZone":.AvailabilityZone,"VolumeType":.VolumeType}'
done
)
msg " \r\n"
#----#----#----#----#----#----#----#----#----#----#----#----#----#----#----#
### 結果をもとに環境変数に登録
show_SNAP_ID() {
for dev in $DEVICES; do
case $mode in
0)
snap_id=$(echo ${dev_snap_json} | jq -r '.|select(.DeviceName=="'${dev}'").SnapshotId')
;;
*)
snap_id="＊＊＊"
;;
esac
printf "SNAP_ID_%s=%s\n" $(toupper ${dev##*/}) $snap_id
done
for DEV in $DEVICES_UPCASE; do
printf "echo SNAP_ID_%s = \${SNAP_ID_%s}\n" $DEV $DEV
done
}
### スナップショットからEBSボリューム作成
show_cmd_create_volume_new() {
for dev in $DEVICES; do
vol_id=$(echo ${dev_vol_json} | jq -r '.|select(.DeviceName=="'${dev}'").VolumeId')
AZ=$(echo ${vol_info_json} | jq -r '.|select(.VolumeId=="'${vol_id}'").AvailabilityZone')
TYPE=$(echo ${vol_info_json} | jq -r '.|select(.VolumeId=="'${vol_id}'").VolumeType')
# /dev/sda1 -> SDA1
DEV=$(toupper ${dev##*/})
printf "NEW_VOLUME_%s=\$(aws ec2 create-volume --availability-zone %s --volume-type %s --snapshot-id \${SNAP_ID_%s} | jq -r '.VolumeId')\n" $DEV $AZ $TYPE $DEV
done
for DEV in $DEVICES_UPCASE; do
printf "echo NEW_VOLUME_%s = \${NEW_VOLUME_%s}\n" $DEV $DEV
done
}
### 結果をもとに環境変数に登録
show_CUR_VOLUME() {
for dev in $DEVICES; do
DEV=$(toupper ${dev##*/})
vol_id=$(echo ${dev_vol_json} | jq -r '.|select(.DeviceName=="'${dev}'").VolumeId')
printf "CUR_VOLUME_%s=%s\n" $DEV $vol_id
done
for DEV in $DEVICES_UPCASE; do
printf "echo CUR_VOLUME_%s = \${CUR_VOLUME_%s}\n" $DEV $DEV
done
}
### 現在のEBSボリュームのタグ情報を確認 -- CUR
### 新しいEBSボリュームのタグ情報を確認 -- NEW
show_cmd_describe_volumes_tags() {
for DEV in $DEVICES_UPCASE; do
printf "aws ec2 describe-volumes --volume-ids \${%s_VOLUME_%s} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2\n" $1 $DEV
done
}
### 新規EBSボリュームにタグを付与
show_cmd_create_tags() {
for dev in $DEVICES; do
DEV=$(toupper ${dev##*/})
vol_id=$(echo ${dev_vol_json} | jq -r '.|select(.DeviceName=="'${dev}'").VolumeId')
vol_tags=$(echo ${vol_info_json} | jq -c '.|select(.VolumeId=="'${vol_id}'")|.Tags')
if [ "$vol_tags" = "null" ]; then
echo "# Tagなし : $vol_id - NEW_VOLUME_$DEV"
else
tag_name=''
tag_other=''
for tagpair in $(echo "$vol_tags" | jq -c '.[]'); do
key=$(echo $tagpair | jq -r .Key)
value=$(echo $tagpair | jq -r .Value)
# Name -> それ以外の順で表示
case "$key" in
Name | name)
tag_name="$tag_name $(printf 'Key=%s,Value=%s' $key $value)"
;;
*)
tag_other="$tag_other $(printf 'Key=%s,Value=%s' $key $value)"
;;
esac
done
printf 'aws ec2 create-tags --resources ${NEW_VOLUME_%s} --tags%s%s\n' $DEV "$tag_name" "$tag_other"
fi
done
}
### 差分確認（日付やAttachments以外の差分を確認する）
show_cmd_diff() {
for DEV in $DEVICES_UPCASE; do
printf 'diff -ub <(aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_%s}) <(aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_%s})\n' $DEV $DEV
done
}
### ボリュームのデタッチ
show_cmd_detach_volume() {
for DEV in $DEVICES_UPCASE; do
printf "aws ec2 detach-volume --volume-id \${CUR_VOLUME_%s}\n" $DEV
done
}
### デタッチされたことの確認(availableになっていること) -- CUR
### アタッチされたことの確認(in-useになっていること) -- NEW
show_cmd_describe_volumes_status() {
printf 'aws ec2 describe-volumes --volume-ids'
for DEV in $DEVICES_UPCASE; do
printf " \${%s_VOLUME_%s}" $1 $DEV
done
printf " | jq -r '.Volumes[]|.VolumeId,.State' | xargs -n2\n"
}
### ボリュームのアタッチ
show_cmd_attach_volume() {
for dev in $DEVICES; do
DEV=$(toupper ${dev##*/})
printf "aws ec2 attach-volume --volume-id \${NEW_VOLUME_%s} --instance-id \${EC2_INSTANCE_ID} --device %s\n" $DEV $dev
done
}
### 標準出力が端末のときは色を付ける
cmd_colorize() {
if [ -t 1 ]; then
ruby -pe '$_.gsub!(/\A([^#＊]+)?(＊＊＊)?(#.*)?(\s*)?\Z/, "\e[97m\\1\e[93;1;4m\\2\e[m\e[32m\\3\e[m\\4")'
else
cat
fi
}
#----#----#----#----#----#----#----#----#----#----#----#----#----#----#----#
# コメント行を緑色にしつつ出力
cat <<EOF | cmd_colorize
# --------------------------------------------------------------------------------
# ${0##*/} $*
# --------------------------------------------------------------------------------
$note
EC2_INSTANCE_ID=${EC2_INSTANCE_ID}
AMI_ID=${AMI_ID}
echo EC2_INSTANCE_ID = \${EC2_INSTANCE_ID}
echo AMI_ID = \${AMI_ID}
### AMIからスナップショットIDを確認
aws ec2 describe-images --image-ids \${AMI_ID} | jq -r '.Images[].BlockDeviceMappings[]|.DeviceName,.Ebs.SnapshotId' | xargs -n2
### 結果をもとに環境変数に登録
$( show_SNAP_ID )
### スナップショットからEBSボリューム作成
$( show_cmd_create_volume_new )
### EC2インスタンスに接続されているEBSボリュームのIDを確認
aws ec2 describe-instances --instance-ids \${EC2_INSTANCE_ID} | jq -r '.[][].Instances[].BlockDeviceMappings[]|.DeviceName,.Ebs.VolumeId' | xargs -n2
### 結果をもとに環境変数に登録
$( show_CUR_VOLUME )
### 現在のEBSボリュームのタグ情報を確認
$( show_cmd_describe_volumes_tags CUR )
### 新規EBSボリュームにタグを付与
$( show_cmd_create_tags )
### 新しいEBSボリュームのタグ情報を確認
$( show_cmd_describe_volumes_tags NEW )
### 差分確認（日付やAttachments以外の差分を確認する）
$( show_cmd_diff )
### インスタンス停止
echo \${EC2_INSTANCE_ID} # ${EC2_INSTANCE_ID}
aws ec2 stop-instances --instance-ids \${EC2_INSTANCE_ID}
aws ec2 wait instance-stopped --instance-ids \${EC2_INSTANCE_ID} && echo 'stopped.'
### ボリュームのデタッチ
$( show_cmd_detach_volume )
### デタッチされたことの確認(availableになっていること)
$( show_cmd_describe_volumes_status CUR )
### ボリュームのアタッチ
$( show_cmd_attach_volume )
### アタッチされたことの確認(in-useになっていること)
$( show_cmd_describe_volumes_status NEW )
### インスタンス起動
aws ec2 start-instances --instance-ids \${EC2_INSTANCE_ID}
aws ec2 wait instance-running --instance-ids \${EC2_INSTANCE_ID} && echo 'running.'
aws ec2 wait instance-status-ok --instance-ids \${EC2_INSTANCE_ID} && echo 'status ok.'
EOF
Raw
出力例.sh
$ restore-ec2/show-manual_restore-from-ami.sh i-0e59992beb8eb6dfa ami-00fd1e303565f2830
# --------------------------------------------------------------------------------
# show-manual_restore-from-ami.sh i-0e59992beb8eb6dfa ami-00fd1e303565f2830
# --------------------------------------------------------------------------------
EC2_INSTANCE_ID=i-0e59992beb8eb6dfa
AMI_ID=ami-00fd1e303565f2830
echo EC2_INSTANCE_ID = ${EC2_INSTANCE_ID}
echo AMI_ID = ${AMI_ID}
### AMIからスナップショットIDを確認
aws ec2 describe-images --image-ids ${AMI_ID} | jq -r '.Images[].BlockDeviceMappings[]|.DeviceName,.Ebs.SnapshotId' | xargs -n2
### 結果をもとに環境変数に登録
SNAP_ID_XVDA=snap-0178cd2ee4d263d67
SNAP_ID_XVDF=snap-0ece034d496356c82
echo SNAP_ID_XVDA = ${SNAP_ID_XVDA}
echo SNAP_ID_XVDF = ${SNAP_ID_XVDF}
### スナップショットからEBSボリューム作成
NEW_VOLUME_XVDA=$(aws ec2 create-volume --availability-zone ap-northeast-1a --volume-type gp2 --snapshot-id ${SNAP_ID_XVDA} | jq -r '.VolumeId')
NEW_VOLUME_XVDF=$(aws ec2 create-volume --availability-zone ap-northeast-1a --volume-type gp2 --snapshot-id ${SNAP_ID_XVDF} | jq -r '.VolumeId')
echo NEW_VOLUME_XVDA = ${NEW_VOLUME_XVDA}
echo NEW_VOLUME_XVDF = ${NEW_VOLUME_XVDF}
### EC2インスタンスに接続されているEBSボリュームのIDを確認
aws ec2 describe-instances --instance-ids ${EC2_INSTANCE_ID} | jq -r '.[][].Instances[].BlockDeviceMappings[]|.DeviceName,.Ebs.VolumeId' | xargs -n2
### 結果をもとに環境変数に登録
CUR_VOLUME_XVDA=vol-0ae37d3098dbfe154
CUR_VOLUME_XVDF=vol-07d184961561d00ba
echo CUR_VOLUME_XVDA = ${CUR_VOLUME_XVDA}
echo CUR_VOLUME_XVDF = ${CUR_VOLUME_XVDF}
### 現在のEBSボリュームのタグ情報を確認
aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDA} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDF} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
### 新規EBSボリュームにタグを付与
aws ec2 create-tags --resources ${NEW_VOLUME_XVDA} --tags Key=Name,Value=amzn1-root Key=TagA,Value=True Key=TagB,Value=False
aws ec2 create-tags --resources ${NEW_VOLUME_XVDF} --tags Key=Name,Value=amzn1-xvdf Key=TagB,Value=False Key=TagA,Value=True
### 新しいEBSボリュームのタグ情報を確認
aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDA} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDF} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
### 差分確認（日付やAttachments以外の差分を確認する）
diff -ub <(aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDA}) <(aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDA})
diff -ub <(aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDF}) <(aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDF})
### インスタンス停止
echo ${EC2_INSTANCE_ID} # i-0e59992beb8eb6dfa
aws ec2 stop-instances --instance-ids ${EC2_INSTANCE_ID}
aws ec2 wait instance-stopped --instance-ids ${EC2_INSTANCE_ID} && echo 'stopped.'
### ボリュームのデタッチ
aws ec2 detach-volume --volume-id ${CUR_VOLUME_XVDA}
aws ec2 detach-volume --volume-id ${CUR_VOLUME_XVDF}
### デタッチされたことの確認(availableになっていること)
aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDA} ${CUR_VOLUME_XVDF} | jq -r '.Volumes[]|.VolumeId,.State' | xargs -n2
### ボリュームのアタッチ
aws ec2 attach-volume --volume-id ${NEW_VOLUME_XVDA} --instance-id ${EC2_INSTANCE_ID} --device /dev/xvda
aws ec2 attach-volume --volume-id ${NEW_VOLUME_XVDF} --instance-id ${EC2_INSTANCE_ID} --device /dev/xvdf
### アタッチされたことの確認(in-useになっていること)
aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDA} ${NEW_VOLUME_XVDF} | jq -r '.Volumes[]|.VolumeId,.State' | xargs -n2
### インスタンス起動
aws ec2 start-instances --instance-ids ${EC2_INSTANCE_ID}
aws ec2 wait instance-running --instance-ids ${EC2_INSTANCE_ID} && echo 'running.'
aws ec2 wait instance-status-ok --instance-ids ${EC2_INSTANCE_ID} && echo 'status ok.'
Raw
出力例の実行結果.sh
$ EC2_INSTANCE_ID=i-0e59992beb8eb6dfa
$ AMI_ID=ami-00fd1e303565f2830
$ echo EC2_INSTANCE_ID = ${EC2_INSTANCE_ID}
EC2_INSTANCE_ID = i-0e59992beb8eb6dfa
$ echo AMI_ID = ${AMI_ID}
AMI_ID = ami-00fd1e303565f2830
$ aws ec2 describe-images --image-ids ${AMI_ID} | jq -r '.Images[].BlockDeviceMappings[]|.DeviceName,.Ebs.SnapshotId' | xargs -n2
/dev/xvda snap-0178cd2ee4d263d67
/dev/xvdf snap-0ece034d496356c82
$ SNAP_ID_XVDA=snap-0178cd2ee4d263d67
$ SNAP_ID_XVDF=snap-0ece034d496356c82
$ echo SNAP_ID_XVDA = ${SNAP_ID_XVDA}
SNAP_ID_XVDA = snap-0178cd2ee4d263d67
$ echo SNAP_ID_XVDF = ${SNAP_ID_XVDF}
SNAP_ID_XVDF = snap-0ece034d496356c82
$ NEW_VOLUME_XVDA=$(aws ec2 create-volume --availability-zone ap-northeast-1a --volume-type gp2 --snapshot-id ${SNAP_ID_XVDA} | jq -r '.VolumeId')
$ NEW_VOLUME_XVDF=$(aws ec2 create-volume --availability-zone ap-northeast-1a --volume-type gp2 --snapshot-id ${SNAP_ID_XVDF} | jq -r '.VolumeId')
$ echo NEW_VOLUME_XVDA = ${NEW_VOLUME_XVDA}
NEW_VOLUME_XVDA = vol-0ae37d3098dbfe154
$ echo NEW_VOLUME_XVDF = ${NEW_VOLUME_XVDF}
NEW_VOLUME_XVDF = vol-07d184961561d00ba
$ aws ec2 describe-instances --instance-ids ${EC2_INSTANCE_ID} | jq -r '.[][].Instances[].BlockDeviceMappings[]|.DeviceName,.Ebs.VolumeId' | xargs -n2
/dev/xvda vol-00ed08650e488c7c7
/dev/xvdf vol-0723d4b643b1e46e8
$ CUR_VOLUME_XVDA=vol-00ed08650e488c7c7
$ CUR_VOLUME_XVDF=vol-0723d4b643b1e46e8
$ echo CUR_VOLUME_XVDA = ${CUR_VOLUME_XVDA}
CUR_VOLUME_XVDA = vol-00ed08650e488c7c7
$ echo CUR_VOLUME_XVDF = ${CUR_VOLUME_XVDF}
CUR_VOLUME_XVDF = vol-0723d4b643b1e46e8
$ aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDA} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
/dev/xvda [{Key:TagA,Value:True},{Key:TagB,Value:False},{Key:Name,Value:amzn1-root}]
$ aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDF} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
/dev/xvdf [{Key:Name,Value:amzn1-xvdf},{Key:TagB,Value:False},{Key:TagA,Value:True}]
$ aws ec2 create-tags --resources ${NEW_VOLUME_XVDA} --tags Key=Name,Value=amzn1-root Key=TagA,Value=True Key=TagB,Value=False
$ aws ec2 create-tags --resources ${NEW_VOLUME_XVDF} --tags Key=Name,Value=amzn1-xvdf Key=TagB,Value=False Key=TagA,Value=True
$ aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDA} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
[{Key:TagA,Value:True},{Key:Name,Value:amzn1-root},{Key:TagB,Value:False}]
$ aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDF} | jq -rc '.Volumes[]|.Attachments[].Device,.Tags' | xargs -n2
[{Key:TagB,Value:False},{Key:Name,Value:amzn1-xvdf},{Key:TagA,Value:True}]
$ diff -ub <(aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDA}) <(aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDA})
--- /dev/fd/63 2018-07-16 15:22:38.000000000 +0900
+++ /dev/fd/62 2018-07-16 15:22:38.000000000 +0900
@@ -1,23 +1,14 @@
{
"Volumes": [
{
- "Attachments": [
- {
- "AttachTime": "2018-07-16T05:05:14.000Z",
- "Device": "/dev/xvda",
- "InstanceId": "i-0e59992beb8eb6dfa",
- "State": "attached",
- "VolumeId": "vol-00ed08650e488c7c7",
- "DeleteOnTermination": true
- }
- ],
+ "Attachments": [],
"AvailabilityZone": "ap-northeast-1a",
- "CreateTime": "2018-07-16T05:05:14.277Z",
+ "CreateTime": "2018-07-16T06:21:19.157Z",
"Encrypted": false,
"Size": 8,
- "SnapshotId": "snap-042e47fa6669a8b0b",
- "State": "in-use",
- "VolumeId": "vol-00ed08650e488c7c7",
+ "SnapshotId": "snap-0178cd2ee4d263d67",
+ "State": "available",
+ "VolumeId": "vol-0ae37d3098dbfe154",
"Iops": 100,
"Tags": [
{
@@ -25,12 +16,12 @@
"Value": "True"
},
{
- "Key": "TagB",
- "Value": "False"
- },
- {
"Key": "Name",
"Value": "amzn1-root"
+ },
+ {
+ "Key": "TagB",
+ "Value": "False"
}
],
"VolumeType": "gp2"
$ diff -ub <(aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDF}) <(aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDF})
--- /dev/fd/63 2018-07-16 15:22:39.000000000 +0900
+++ /dev/fd/62 2018-07-16 15:22:39.000000000 +0900
@@ -1,34 +1,25 @@
{
"Volumes": [
{
- "Attachments": [
- {
- "AttachTime": "2018-07-16T05:05:14.000Z",
- "Device": "/dev/xvdf",
- "InstanceId": "i-0e59992beb8eb6dfa",
- "State": "attached",
- "VolumeId": "vol-0723d4b643b1e46e8",
- "DeleteOnTermination": true
- }
- ],
+ "Attachments": [],
"AvailabilityZone": "ap-northeast-1a",
- "CreateTime": "2018-07-16T05:05:14.419Z",
+ "CreateTime": "2018-07-16T06:21:20.881Z",
"Encrypted": false,
"Size": 2,
- "SnapshotId": "",
- "State": "in-use",
- "VolumeId": "vol-0723d4b643b1e46e8",
+ "SnapshotId": "snap-0ece034d496356c82",
+ "State": "available",
+ "VolumeId": "vol-07d184961561d00ba",
"Iops": 100,
"Tags": [
{
- "Key": "Name",
- "Value": "amzn1-xvdf"
- },
- {
"Key": "TagB",
"Value": "False"
},
{
+ "Key": "Name",
+ "Value": "amzn1-xvdf"
+ },
+ {
"Key": "TagA",
"Value": "True"
}
$ echo ${EC2_INSTANCE_ID} # i-0e59992beb8eb6dfa
i-0e59992beb8eb6dfa
$ aws ec2 stop-instances --instance-ids ${EC2_INSTANCE_ID}
{
"StoppingInstances": [
{
"CurrentState": {
"Code": 64,
"Name": "stopping"
},
"InstanceId": "i-0e59992beb8eb6dfa",
"PreviousState": {
"Code": 16,
"Name": "running"
}
}
]
}
$ aws ec2 wait instance-stopped --instance-ids ${EC2_INSTANCE_ID} && echo 'stopped.'
stopped.
$ aws ec2 detach-volume --volume-id ${CUR_VOLUME_XVDA}
{
"AttachTime": "2018-07-16T05:05:14.000Z",
"Device": "/dev/xvda",
"InstanceId": "i-0e59992beb8eb6dfa",
"State": "detaching",
"VolumeId": "vol-00ed08650e488c7c7"
}
$ aws ec2 detach-volume --volume-id ${CUR_VOLUME_XVDF}
{
"AttachTime": "2018-07-16T05:05:14.000Z",
"Device": "/dev/xvdf",
"InstanceId": "i-0e59992beb8eb6dfa",
"State": "detaching",
"VolumeId": "vol-0723d4b643b1e46e8"
}
$ aws ec2 describe-volumes --volume-ids ${CUR_VOLUME_XVDA} ${CUR_VOLUME_XVDF} | jq -r '.Volumes[]|.VolumeId,.State' | xargs -n2
vol-0723d4b643b1e46e8 available
vol-00ed08650e488c7c7 available
$ aws ec2 attach-volume --volume-id ${NEW_VOLUME_XVDA} --instance-id ${EC2_INSTANCE_ID} --device /dev/xvda
{
"AttachTime": "2018-07-16T06:25:52.056Z",
"Device": "/dev/xvda",
"InstanceId": "i-0e59992beb8eb6dfa",
"State": "attaching",
"VolumeId": "vol-0ae37d3098dbfe154"
}
$ aws ec2 attach-volume --volume-id ${NEW_VOLUME_XVDF} --instance-id ${EC2_INSTANCE_ID} --device /dev/xvdf
{
"AttachTime": "2018-07-16T06:25:53.765Z",
"Device": "/dev/xvdf",
"InstanceId": "i-0e59992beb8eb6dfa",
"State": "attaching",
"VolumeId": "vol-07d184961561d00ba"
}
$ aws ec2 describe-volumes --volume-ids ${NEW_VOLUME_XVDA} ${NEW_VOLUME_XVDF} | jq -r '.Volumes[]|.VolumeId,.State' | xargs -n2
vol-0ae37d3098dbfe154 in-use
vol-07d184961561d00ba in-use
$ aws ec2 start-instances --instance-ids ${EC2_INSTANCE_ID}
{
"StartingInstances": [
{
"CurrentState": {
"Code": 0,
"Name": "pending"
},
"InstanceId": "i-0e59992beb8eb6dfa",
"PreviousState": {
"Code": 80,
"Name": "stopped"
}
}
]
}
$ aws ec2 wait instance-running --instance-ids ${EC2_INSTANCE_ID} && echo 'running.'
running.
$ aws ec2 wait instance-status-ok --instance-ids ${EC2_INSTANCE_ID} && echo 'status ok.'
status ok.
$
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