docker-builder/docker-builder.sh at master · xsmarty/docker-builder · GitHub

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
#!/usr/bin/env bash

# Maintainers: xma@foveatech.eu

# will use the Dockerfile provided, check it against current last version of it
# Will push it to Nexus if the dockerfile contains a new label with imagename::LABEL
# eg Usage docker-builder.sh Dockerfile.base cdff-ci
# will produce nexus.spaceapplications.com/repository/infuse/cdff-ci:latest and '...'cdff-ci:LABEL

set -e

if [ $# -lt 2 ]; then
    echo "incorrect parameters: Usage docker-builder.sh [dockerfile] [imagename] [optional=--force] [optional=--no-cache] [optional=environnement variables]"
    exit 1
fi

# will return $op as '<' '=" or '>'
vercomp () {
    if [[ $1 == $2 ]]
    then
        op='=';
        return
    fi
    local IFS=.
    local i ver1=($1) ver2=($2)
    # fill empty fields in ver1 with zeros
    for ((i=${#ver1[@]}; i<${#ver2[@]}; i++))
    do
        ver1[i]=0
    done
    for ((i=0; i<${#ver1[@]}; i++))
    do
        if [[ -z ${ver2[i]} ]]
        then
            # fill empty fields in ver2 with zeros
            ver2[i]=0
        fi
        if ((10#${ver1[i]} > 10#${ver2[i]}))
        then
            op='>';
            return
        fi
        if ((10#${ver1[i]} < 10#${ver2[i]}))
        then
            op='<';
            return
        fi
    done
    op='=';
    return
}

IMAGE_NAME=$2
DOCKER_FILE=$1
shift 2 #shift all variables and restart at 1.

#if we passed more variables we pass them along
ENV_VAR=""
FORCE=false
NOCACHE=""
DOCKERHUB=""
for var in "$@"
do
   if [[ $var == "--force"  ]]
    then
    FORCE=true
   elif [[ $var == "--no-cache"  ]]
    then
    NOCACHE="--no-cache"
   elif [[ $var == "--push"  ]]
    then
    DOCKERHUB=true
   else
    ENV_VAR+=" --build-arg ${var}"
   fi
done

#echo ENV_VAR: $ENV_VAR

REGISTRY_PREFIX=nexus.spaceapplications.com/
INFUSE_REGISTRY_PREFIX=repository/infuse/
IMAGE_TAG=${REGISTRY_PREFIX}${INFUSE_REGISTRY_PREFIX}${IMAGE_NAME}

current_tag=$(grep -oP 'ARG VERSION="\K[^"]+' $DOCKER_FILE )
latest_tag=$(curl -d 'hook_private_key=ea9dc697-5bc9-4a43-96aa-6257f2fda70e&key='$IMAGE_NAME https://hook.io/datastore/get | tr -d '"')

if [ -z "$latest_tag" ] || [ $latest_tag == 'null' ] ; then
    latest_tag="0.0"
fi

if [ -z "$current_tag" ]; then
    current_tag="0.0"
fi

echo latest_tag $latest_tag
echo current_tag $current_tag
vercomp $current_tag $latest_tag

if [[ $op = '>' ]] || [[ "$FORCE" == true ]]
    then
        docker pull $IMAGE_TAG':'$latest_tag || true
        docker build $NOCACHE -t $IMAGE_TAG':'$current_tag -f $DOCKER_FILE $ENV_VAR .
        docker push $IMAGE_TAG':'$current_tag
        docker tag $IMAGE_TAG':'$current_tag $IMAGE_TAG':'latest
        docker push $IMAGE_TAG':'latest
    curl -d 'hook_private_key=ea9dc697-5bc9-4a43-96aa-6257f2fda70e&key='$IMAGE_NAME'&value='$current_tag https://hook.io/datastore/set
    else
        echo Image $IMAGE_TAG':'$latest_tag already available on the server.
fi