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Renamed centurylink to v2tec.

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Fabrizio Steiner 2017-01-24 19:07:25 +01:00
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26
README.md
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@ -1,9 +1,7 @@
# Watchtower # Watchtower
![Watchtower](http://panamax.ca.tier3.io/zodiac/logo-watchtower_thumb.png) [![Circle CI](https://circleci.com/gh/v2tec/watchtower.svg?style=svg)](https://circleci.com/gh/v2tec/watchtower) 
[![GoDoc](https://godoc.org/github.com/v2tec/watchtower?status.svg)](https://godoc.org/github.com/v2tec/watchtower) 
[![Circle CI](https://circleci.com/gh/CenturyLinkLabs/watchtower.svg?style=svg)](https://circleci.com/gh/CenturyLinkLabs/watchtower)  [![](https://images.microbadger.com/badges/image/v2tec/watchtower.svg)](https://microbadger.com/images/v2tec/watchtower "Get your own image badge on microbadger.com")
[![GoDoc](https://godoc.org/github.com/CenturyLinkLabs/watchtower?status.svg)](https://godoc.org/github.com/CenturyLinkLabs/watchtower) 
[![](https://badge.imagelayers.io/centurylink/watchtower:latest.svg)](https://imagelayers.io/?images=centurylink/watchtower:latest 'Get your own badge on imagelayers.io')
A process for watching your Docker containers and automatically restarting them whenever their base image is refreshed. A process for watching your Docker containers and automatically restarting them whenever their base image is refreshed.
@ -19,14 +17,14 @@ For example, let's say you were running watchtower along with an instance of *ce
$ docker ps $ docker ps
CONTAINER ID IMAGE STATUS PORTS NAMES CONTAINER ID IMAGE STATUS PORTS NAMES
967848166a45 centurylink/wetty-cli Up 10 minutes 0.0.0.0:8080->3000/tcp wetty 967848166a45 centurylink/wetty-cli Up 10 minutes 0.0.0.0:8080->3000/tcp wetty
6cc4d2a9d1a5 centurylink/watchtower Up 15 minutes watchtower 6cc4d2a9d1a5 v2tec/watchtower Up 15 minutes watchtower
``` ```
Every few mintutes watchtower will pull the latest *centurylink/wetty-cli* image and compare it to the one that was used to run the "wetty" container. If it sees that the image has changed it will stop/remove the "wetty" container and then restart it using the new image and the same `docker run` options that were used to start the container initially (in this case, that would include the `-p 8080:3000` port mapping). Every few mintutes watchtower will pull the latest *centurylink/wetty-cli* image and compare it to the one that was used to run the "wetty" container. If it sees that the image has changed it will stop/remove the "wetty" container and then restart it using the new image and the same `docker run` options that were used to start the container initially (in this case, that would include the `-p 8080:3000` port mapping).
## Usage ## Usage
Watchtower is itself packaged as a Docker container so installation is as simple as pulling the `centurylink/watchtower` image. Watchtower is itself packaged as a Docker container so installation is as simple as pulling the `v2tec/watchtower` image.
Since the watchtower code needs to interact with the Docker API in order to monitor the running containers, you need to mount */var/run/docker.sock* into the container with the -v flag when you run it. Since the watchtower code needs to interact with the Docker API in order to monitor the running containers, you need to mount */var/run/docker.sock* into the container with the -v flag when you run it.
@ -36,7 +34,7 @@ Run the `watchtower` container with the following command:
docker run -d \ docker run -d \
--name watchtower \ --name watchtower \
-v /var/run/docker.sock:/var/run/docker.sock \ -v /var/run/docker.sock:/var/run/docker.sock \
centurylink/watchtower v2tec/watchtower
``` ```
If pulling images from private Docker registries, supply registry authentication credentials with the environment variables `REPO_USER` and `REPO_PASS` If pulling images from private Docker registries, supply registry authentication credentials with the environment variables `REPO_USER` and `REPO_PASS`
@ -58,7 +56,7 @@ By default, watchtower will monitor all containers running within the Docker dae
docker run -d \ docker run -d \
--name watchtower \ --name watchtower \
-v /var/run/docker.sock:/var/run/docker.sock \ -v /var/run/docker.sock:/var/run/docker.sock \
centurylink/watchtower nginx redis v2tec/watchtower nginx redis
``` ```
In the example above, watchtower will only monitor the containers named "nginx" and "redis" for updates -- all of the other running containers will be ignored. In the example above, watchtower will only monitor the containers named "nginx" and "redis" for updates -- all of the other running containers will be ignored.
@ -70,7 +68,7 @@ When no arguments are specified, watchtower will monitor all running containers.
Any of the options described below can be passed to the watchtower process by setting them after the image name in the `docker run` string: Any of the options described below can be passed to the watchtower process by setting them after the image name in the `docker run` string:
``` ```
docker run --rm centurylink/watchtower --help docker run --rm v2tec/watchtower --help
``` ```
* `--host, -h` Docker daemon socket to connect to. Defaults to "unix:///var/run/docker.sock" but can be pointed at a remote Docker host by specifying a TCP endpoint as "tcp://hostname:port". The host value can also be provided by setting the `DOCKER_HOST` environment variable. * `--host, -h` Docker daemon socket to connect to. Defaults to "unix:///var/run/docker.sock" but can be pointed at a remote Docker host by specifying a TCP endpoint as "tcp://hostname:port". The host value can also be provided by setting the `DOCKER_HOST` environment variable.
@ -112,7 +110,7 @@ By default, watchtower is set-up to monitor the local Docker daemon (the same da
``` ```
docker run -d \ docker run -d \
--name watchtower \ --name watchtower \
centurylink/watchtower --host "tcp://10.0.1.2:2375" v2tec/watchtower --host "tcp://10.0.1.2:2375"
``` ```
or or
@ -121,7 +119,7 @@ or
docker run -d \ docker run -d \
--name watchtower \ --name watchtower \
-e DOCKER_HOST="tcp://10.0.1.2:2375" \ -e DOCKER_HOST="tcp://10.0.1.2:2375" \
centurylink/watchtower v2tec/watchtower
``` ```
Note in both of the examples above that it is unnecessary to mount the */var/run/docker.sock* into the watchtower container. Note in both of the examples above that it is unnecessary to mount the */var/run/docker.sock* into the watchtower container.
@ -139,9 +137,9 @@ docker run -d \
--name watchtower \ --name watchtower \
-e DOCKER_HOST=$DOCKER_HOST \ -e DOCKER_HOST=$DOCKER_HOST \
-v $DOCKER_CERT_PATH:/etc/ssl/docker \ -v $DOCKER_CERT_PATH:/etc/ssl/docker \
centurylink/watchtower --tlsverify v2tec/watchtower --tlsverify
``` ```
## Updating Watchtower ## Updating Watchtower
If watchtower is monitoring the same Docker daemon under which the watchtower container itself is running (i.e. if you volume-mounted */var/run/docker.sock* into the watchtower container) then it has the ability to update itself. If a new version of the *centurylink/watchtower* image is pushed to the Docker Hub, your watchtower will pull down the new image and restart itself automatically. If watchtower is monitoring the same Docker daemon under which the watchtower container itself is running (i.e. if you volume-mounted */var/run/docker.sock* into the watchtower container) then it has the ability to update itself. If a new version of the *v2tec/watchtower* image is pushed to the Docker Hub, your watchtower will pull down the new image and restart itself automatically.

2
actions/check.go
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@ -3,7 +3,7 @@ package actions
import ( import (
"sort" "sort"
"github.com/CenturyLinkLabs/watchtower/container" "github.com/v2tec/watchtower/container"
) )
func watchtowerContainersFilter(c container.Container) bool { return c.IsWatchtower() } func watchtowerContainersFilter(c container.Container) bool { return c.IsWatchtower() }

2
actions/update.go
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@ -4,7 +4,7 @@ import (
"math/rand" "math/rand"
"time" "time"
"github.com/CenturyLinkLabs/watchtower/container" "github.com/v2tec/watchtower/container"
log "github.com/Sirupsen/logrus" log "github.com/Sirupsen/logrus"
) )

2
container/mockclient/mock.go
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@ -3,7 +3,7 @@ package mockclient
import ( import (
"time" "time"
"github.com/CenturyLinkLabs/watchtower/container" "github.com/v2tec/watchtower/container"
"github.com/stretchr/testify/mock" "github.com/stretchr/testify/mock"
) )

2
container/mockclient/mock_test.go
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@ -4,7 +4,7 @@ import (
"reflect" "reflect"
"testing" "testing"
"github.com/CenturyLinkLabs/watchtower/container" "github.com/v2tec/watchtower/container"
) )
func TestMockInterface(t *testing.T) { func TestMockInterface(t *testing.T) {

6
main.go
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@ -1,4 +1,4 @@
package main // import "github.com/CenturyLinkLabs/watchtower" package main // import "github.com/v2tec/watchtower"
import ( import (
"fmt" "fmt"
@ -8,10 +8,10 @@ import (
"syscall" "syscall"
"time" "time"
"github.com/CenturyLinkLabs/watchtower/actions"
"github.com/CenturyLinkLabs/watchtower/container"
log "github.com/Sirupsen/logrus" log "github.com/Sirupsen/logrus"
"github.com/urfave/cli" "github.com/urfave/cli"
"github.com/v2tec/watchtower/actions"
"github.com/v2tec/watchtower/container"
) )
var ( var (