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Merge pull request #897 from progrium/mh-ps-plugin
initial pass at a ps plugin
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| Original file line number | Diff line number | Diff line change |
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| # Process/Container management | ||
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| Dokku supports rudimentary process (really container) management via the `ps` plugin. | ||
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| ``` | ||
| ps <app> List processes running in app container(s) | ||
| ps:start <app> Start app container(s) | ||
| ps:stop <app> Stop app container(s) | ||
| ps:restart <app> Restart app container(s) | ||
| ps:restartall Restart all deployed app containers | ||
| ``` | ||
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| *NOTE*: As of v0.3.14, `dokku deploy:all` in now deprecated by `ps:restartall` and will be removed in a future version. |
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| #!/usr/bin/env bash | ||
| set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x | ||
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| release_and_deploy() { | ||
| local APP="$1"; | ||
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| if [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]]; then | ||
| echo "-----> Releasing $APP ..." | ||
| dokku release $APP | ||
| echo "-----> Release complete!" | ||
| echo "-----> Deploying $APP ..." | ||
| dokku deploy $APP | ||
| echo "=====> Application deployed:" | ||
| dokku urls $APP | sed "s/^/ /" | ||
| echo | ||
| fi | ||
| } | ||
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| case "$1" in | ||
| ps) | ||
| [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1 | ||
| [[ ! -d "$DOKKU_ROOT/$2" ]] && echo "App $2 does not exist" && exit 1 | ||
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| APP="$2"; [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]] && CONTAINER_ID=$(< "$DOKKU_ROOT/$APP/CONTAINER") | ||
| [[ -z "$CONTAINER_ID" ]] && echo "App $APP has not been deployed" && exit 0 | ||
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| docker exec -ti "$CONTAINER_ID" /bin/bash -c "ps auxwww" | ||
| ;; | ||
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| ps:start) | ||
| [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1 | ||
| [[ ! -d "$DOKKU_ROOT/$2" ]] && echo "App $2 does not exist" && exit 1 | ||
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| APP="$2"; [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]] && CONTAINER_ID=$(< "$DOKKU_ROOT/$APP/CONTAINER") | ||
| [[ -z "$CONTAINER_ID" ]] && echo "App $APP has not been deployed" && exit 0 | ||
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| if [[ "$(docker ps -q --no-trunc| grep -q $CONTAINER_ID; echo $?)" != "0" ]]; then | ||
| release_and_deploy $APP | ||
| else | ||
| echo "App $APP already running" | ||
| fi | ||
| ;; | ||
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| ps:stop) | ||
| [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1 | ||
| [[ ! -d "$DOKKU_ROOT/$2" ]] && echo "App $2 does not exist" && exit 1 | ||
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| APP="$2"; [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]] && CONTAINER_ID=$(< "$DOKKU_ROOT/$APP/CONTAINER") | ||
| [[ -z "$CONTAINER_ID" ]] && echo "App $APP has not been deployed" && exit 0 | ||
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| if [[ "$(docker ps -q --no-trunc| grep -q $CONTAINER_ID; echo $?)" = "0" ]]; then | ||
| echo "Stopping $APP ..." | ||
| docker stop $CONTAINER_ID > /dev/null | ||
| else | ||
| echo "App $APP already stopped" | ||
| fi | ||
| ;; | ||
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| ps:restart) | ||
| [[ -z $2 ]] && echo "Please specify an app to run the command on" && exit 1 | ||
| [[ ! -d "$DOKKU_ROOT/$2" ]] && echo "App $2 does not exist" && exit 1 | ||
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| APP="$2"; [[ -f "$DOKKU_ROOT/$APP/CONTAINER" ]] && CONTAINER_ID=$(< "$DOKKU_ROOT/$APP/CONTAINER") | ||
| [[ -z "$CONTAINER_ID" ]] && echo "App $APP has not been deployed" && exit 0 | ||
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| release_and_deploy $APP | ||
| ;; | ||
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| ps:restartall) | ||
| for app in $DOKKU_ROOT/*/CONTAINER; do | ||
| APP=$(basename "$(dirname $app)"); | ||
| dokku ps:restart $APP | ||
| done | ||
| ;; | ||
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| help | ps:help) | ||
| cat && cat<<EOF | ||
| ps <app> List processes running in app container(s) | ||
| ps:start <app> Start app container(s) | ||
| ps:stop <app> Stop app container(s) | ||
| ps:restart <app> Restart app container(s) | ||
| ps:restartall Restart all deployed app containers | ||
| EOF | ||
| ;; | ||
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| *) | ||
| exit $DOKKU_NOT_IMPLEMENTED_EXIT | ||
| ;; | ||
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| esac |
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,59 @@ | ||
| #!/usr/bin/env bats | ||
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| load test_helper | ||
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| setup() { | ||
| deploy_app | ||
| } | ||
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| teardown() { | ||
| destroy_app | ||
| } | ||
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| @test "ps" { | ||
| # CI support: 'Ah. I just spoke with our Docker expert -- | ||
| # looks like docker exec is built to work with docker-under-libcontainer, | ||
| # but we're using docker-under-lxc. I don't have an estimated time for the fix, sorry | ||
| skip "circleci does not support docker exec at the moment." | ||
| run bash -c "dokku ps $TEST_APP | grep -q \"node web.js\"" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| } | ||
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| @test "ps:start" { | ||
| run bash -c "dokku ps:stop $TEST_APP" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| run bash -c "dokku ps:start $TEST_APP" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| run bash -c "docker ps -q --no-trunc | grep -q $(< $DOKKU_ROOT/$TEST_APP/CONTAINER)" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| } | ||
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| @test "ps:stop" { | ||
| run bash -c "dokku ps:stop $TEST_APP" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| run bash -c "docker ps -q --no-trunc | grep -q $(< $DOKKU_ROOT/$TEST_APP/CONTAINER)" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_failure | ||
| } | ||
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| @test "ps:restart" { | ||
| run bash -c "dokku ps:restart $TEST_APP" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| run bash -c "docker ps -q --no-trunc | grep -q $(< $DOKKU_ROOT/$TEST_APP/CONTAINER)" | ||
| echo "output: "$output | ||
| echo "status: "$status | ||
| assert_success | ||
| } |