Add kubernetes support

Makefile

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+## Run docker-compose
+compose:
+	@docker-compose up -d docker-compose.yml
+
+## Run minikube
+minikube:
+	@bash -x scripts/minikube.sh
+
+## Run haproxy
+haproxy:
+	@bash -x scripts/haproxy.sh
+
+## Run minikube & haproxy
+run:
+	@bash -x scripts/run.sh
+
+## Deploy k8s objects
+deploy:
+	@bash -x scripts/deploy.sh
+
+help:
+	@printf "Available targets:\n\n"
+	@awk '/^[a-zA-Z\-\_0-9%:\\]+:/ { \
+	  helpMessage = match(lastLine, /^## (.*)/); \
+	  if (helpMessage) { \
+	    helpCommand = $$1; \
+	    helpMessage = substr(lastLine, RSTART + 3, RLENGTH); \
+      gsub("\\\\", "", helpCommand); \
+      gsub(":+$$", "", helpCommand); \
+	    printf "  \x1b[32;01m%-35s\x1b[0m %s\n", helpCommand, helpMessage; \
+	  } \
+	} \
+	{ lastLine = $$0 }' $(MAKEFILE_LIST) | sort -u
+	@printf "\n"

docker-containers/grafana/Dockerfile

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+FROM grafana/grafana
+MAINTAINER Pedro César <[email protected]>
+
+ADD conf/grafana.db /var/lib/grafana/grafana.db
+ADD conf/home.json /usr/share/grafana/public/dashboards/home.json
+
+ENV GF_SERVER_ROOT_URL http://localhost
+ENV GF_SECURITY_ADMIN_PASSWORD admin
+ENV GF_AUTH_ANONYMOUS_ENABLED true
+ENTRYPOINT ["/run.sh"]

docker-containers/grafana/home.json

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+{
+  "id": null,
+  "title": "Home",
+  "originalTitle": "Home",
+  "tags": [],
+  "style": "dark",
+  "timezone": "browser",
+  "editable": true,
+  "hideControls": true,
+  "sharedCrosshair": false,
+  "rows": [
+    {
+      "collapse": false,
+      "editable": true,
+      "height": "100px",
+      "panels": [
+        {
+          "title": "Download",
+          "error": false,
+          "span": 12,
+          "editable": true,
+          "type": "graph",
+          "yaxes": [
+            {
+              "show": true,
+              "min": null,
+              "max": null,
+              "logBase": 1,
+              "format": "MBs"
+            },
+            {
+              "show": true,
+              "min": null,
+              "max": null,
+              "logBase": 1,
+              "format": "MBs"
+            }
+          ],
+          "isNew": true,
+          "id": 1,
+          "datasource": "InfluxDB",
+          "renderer": "flot",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "MBs",
+            "MBs"
+          ],
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "rightMax": null,
+            "leftMin": null,
+            "rightMin": null,
+            "rightLogBase": 1,
+            "threshold1": null,
+            "threshold2": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "lines": true,
+          "fill": 1,
+          "linewidth": 2,
+          "points": false,
+          "pointradius": 5,
+          "bars": false,
+          "stack": false,
+          "percentage": false,
+          "legend": {
+            "show": true,
+            "values": false,
+            "min": false,
+            "max": false,
+            "current": false,
+            "total": false,
+            "avg": false
+          },
+          "nullPointMode": "connected",
+          "steppedLine": false,
+          "tooltip": {
+            "value_type": "cumulative",
+            "shared": true
+          },
+          "timeFrom": null,
+          "timeShift": null,
+          "targets": [
+            {
+              "refId": "A",
+              "dsType": "influxdb",
+              "resultFormat": "time_series",
+              "tags": [],
+              "groupBy": [
+                {
+                  "type": "time",
+                  "params": [
+                    "$interval"
+                  ]
+                },
+                {
+                  "type": "fill",
+                  "params": [
+                    "null"
+                  ]
+                }
+              ],
+              "select": [
+                [
+                  {
+                    "type": "field",
+                    "params": [
+                      "value"
+                    ]
+                  },
+                  {
+                    "type": "mean",
+                    "params": []
+                  }
+                ]
+              ],
+              "alias": "Download",
+              "measurement": "download",
+              "query": "SELECT mean(\"value\") FROM \"download\" WHERE $timeFilter GROUP BY time($interval) fill(null)"
+            }
+          ],
+          "aliasColors": {},
+          "seriesOverrides": [],
+          "links": [],
+          "height": "250px"
+        }
+      ],
+      "title": "New row"
+    },
+    {
+      "height": "610px",
+      "panels": [
+        {
+          "title": "Upload",
+          "error": false,
+          "span": 12,
+          "editable": true,
+          "type": "graph",
+          "yaxes": [
+            {
+              "show": true,
+              "min": null,
+              "max": null,
+              "logBase": 1,
+              "format": "MBs"
+            },
+            {
+              "show": true,
+              "min": null,
+              "max": null,
+              "logBase": 1,
+              "format": "MBs"
+            }
+          ],
+          "isNew": true,
+          "id": 2,
+          "datasource": "InfluxDB",
+          "renderer": "flot",
+          "x-axis": true,
+          "y-axis": true,
+          "y_formats": [
+            "MBs",
+            "MBs"
+          ],
+          "grid": {
+            "leftLogBase": 1,
+            "leftMax": null,
+            "rightMax": null,
+            "leftMin": null,
+            "rightMin": null,
+            "rightLogBase": 1,
+            "threshold1": null,
+            "threshold2": null,
+            "threshold1Color": "rgba(216, 200, 27, 0.27)",
+            "threshold2Color": "rgba(234, 112, 112, 0.22)"
+          },
+          "lines": true,
+          "fill": 1,
+          "linewidth": 2,
+          "points": false,
+          "pointradius": 5,
+          "bars": false,
+          "stack": false,
+          "percentage": false,
+          "legend": {
+            "show": true,
+            "values": false,
+            "min": false,
+            "max": false,
+            "current": false,
+            "total": false,
+            "avg": false
+          },
+          "nullPointMode": "connected",
+          "steppedLine": false,
+          "tooltip": {
+            "value_type": "cumulative",
+            "shared": true
+          },
+          "timeFrom": null,
+          "timeShift": null,
+          "targets": [
+            {
+              "refId": "A",
+              "dsType": "influxdb",
+              "resultFormat": "time_series",
+              "tags": [],
+              "groupBy": [
+                {
+                  "type": "time",
+                  "params": [
+                    "$interval"
+                  ]
+                },
+                {
+                  "type": "fill",
+                  "params": [
+                    "null"
+                  ]
+                }
+              ],
+              "select": [
+                [
+                  {
+                    "type": "field",
+                    "params": [
+                      "value"
+                    ]
+                  },
+                  {
+                    "type": "mean",
+                    "params": []
+                  }
+                ]
+              ],
+              "alias": "Upload",
+              "measurement": "upload",
+              "query": "SELECT mean(\"value\") FROM \"upload\" WHERE $timeFilter GROUP BY time($interval) fill(null)"
+            }
+          ],
+          "aliasColors": {},
+          "seriesOverrides": [],
+          "links": [],
+          "height": "250px"
+        }
+      ],
+      "title": "Row",
+      "collapse": false,
+      "editable": true
+    }
+  ],
+  "time": {
+    "from": "now-6h",
+    "to": "now"
+  },
+  "timepicker": {
+    "enable": false,
+    "type": "timepicker",
+    "time_options": [
+      "5m",
+      "15m",
+      "1h",
+      "6h",
+      "12h",
+      "24h",
+      "2d",
+      "7d",
+      "30d"
+    ],
+    "refresh_intervals": [
+      "5s",
+      "10s",
+      "30s",
+      "1m",
+      "5m",
+      "15m",
+      "30m",
+      "1h",
+      "2h",
+      "1d"
+    ]
+  },
+  "templating": {
+    "list": []
+  },
+  "annotations": {
+    "list": []
+  },
+  "schemaVersion": 8,
+  "version": 5,
+  "links": []
+}

docker-containers/grafana/run.sh

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+#!/bin/bash -e
+
+: "${GF_PATHS_DATA:=/var/lib/grafana}"
+: "${GF_PATHS_LOGS:=/var/log/grafana}"
+: "${GF_PATHS_PLUGINS:=/var/lib/grafana/plugins}"
+
+chown -R grafana:grafana "$GF_PATHS_DATA" "$GF_PATHS_LOGS"
+chown -R grafana:grafana /etc/grafana
+
+if [ ! -z ${GF_AWS_PROFILES+x} ]; then
+    mkdir -p ~grafana/.aws/
+    touch ~grafana/.aws/credentials
+
+    for profile in ${GF_AWS_PROFILES}; do
+        access_key_varname="GF_AWS_${profile}_ACCESS_KEY_ID"
+        secret_key_varname="GF_AWS_${profile}_SECRET_ACCESS_KEY"
+        region_varname="GF_AWS_${profile}_REGION"
+
+        if [ ! -z "${!access_key_varname}" -a ! -z "${!secret_key_varname}" ]; then
+            echo "[${profile}]" >> ~grafana/.aws/credentials
+            echo "aws_access_key_id = ${!access_key_varname}" >> ~grafana/.aws/credentials
+            echo "aws_secret_access_key = ${!secret_key_varname}" >> ~grafana/.aws/credentials
+            if [ ! -z "${!region_varname}" ]; then
+                echo "region = ${!region_varname}" >> ~grafana/.aws/credentials
+            fi
+        fi
+    done
+
+    chown grafana:grafana -R ~grafana/.aws
+    chmod 600 ~grafana/.aws/credentials
+fi
+
+if [ ! -z "${GF_INSTALL_PLUGINS}" ]; then
+  OLDIFS=$IFS
+  IFS=','
+  for plugin in ${GF_INSTALL_PLUGINS}; do
+    grafana-cli  --pluginsDir "${GF_PATHS_PLUGINS}" plugins install ${plugin}
+  done
+  IFS=$OLDIFS
+fi
+
+exec gosu grafana /usr/sbin/grafana-server      \
+  --homepath=/usr/share/grafana                 \
+  --config=/etc/grafana/grafana.ini             \
+  cfg:default.paths.data="$GF_PATHS_DATA"       \
+  cfg:default.paths.logs="$GF_PATHS_LOGS"       \
+  cfg:default.paths.plugins="$GF_PATHS_PLUGINS" \
+  "$@"