grim/convey
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Add support to wait for detached containers that have a healthcheck specified in their dockerfiles
2017-09-11, Gary Kramlich
86936d63131c
Add support to wait for detached containers that have a healthcheck specified in their dockerfiles
/*
* Convey
* Copyright 2016-2017 Gary Kramlich <grim@reaperworld.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package
color
import
(
"hash/fnv"
"sync"
)
var
(
lock
sync
.
Mutex
)
func
lookup
(
identifier
string
,
colorList
[]
string
,
colorMap
map
[
string
]
string
)
string
{
lock
.
Lock
()
defer
lock
.
Unlock
()
if
color
,
found
:=
colorMap
[
identifier
];
found
{
return
color
}
h
:=
fnv
.
New32a
()
h
.
Write
([]
byte
(
identifier
))
c
:=
int
(
h
.
Sum32
()
%
uint32
(
len
(
colorList
)))
colorMap
[
identifier
]
=
colorList
[
c
]
return
colorMap
[
identifier
]
}