Merge pull request #526 from FairwindsOps/sudermanjr/kubernetes

Kubernetes Addon

_sample_configs/kubernetes_config.yml

@@ -0,0 +1,21 @@
+wtf:
+  colors:
+    border:
+      focusable: darkslateblue
+      focused: orange
+      normal: gray
+  grid:
+    columns: [32, 32, 32, 32, 32, 32]
+    rows: [10, 10, 10, 10, 10, 10]
+  refreshInterval: 2
+  mods:
+    kubernetes:
+      enabled: true
+      kubeconfig: /Users/testuser/.kube/config
+      namespaces: ["demo", "kube-system"]
+      objects: ["nodes","deployments", "pods"]
+      position:
+        top: 0
+        left: 0
+        height: 6
+        width: 3

app/widget_maker.go

@@ -27,6 +27,7 @@ import (
 	"github.com/wtfutil/wtf/modules/ipaddresses/ipinfo"
 	"github.com/wtfutil/wtf/modules/jenkins"
 	"github.com/wtfutil/wtf/modules/jira"
+	"github.com/wtfutil/wtf/modules/kubernetes"
 	"github.com/wtfutil/wtf/modules/logger"
 	"github.com/wtfutil/wtf/modules/mercurial"
 	"github.com/wtfutil/wtf/modules/nbascore"
@@ -144,6 +145,9 @@ func MakeWidget(
 	case "jira":
 		settings := jira.NewSettingsFromYAML(moduleName, moduleConfig, config)
 		widget = jira.NewWidget(app, pages, settings)
+	case "kubernetes":
+		settings := kubernetes.NewSettingsFromYAML(moduleName, moduleConfig, config)
+		widget = kubernetes.NewWidget(app, settings)
 	case "logger":
 		settings := logger.NewSettingsFromYAML(moduleName, moduleConfig, config)
 		widget = logger.NewWidget(app, settings)

go.mod

@@ -24,13 +24,10 @@ require (
 	github.com/hekmon/cunits v2.0.1+incompatible // indirect
 	github.com/hekmon/transmissionrpc v0.0.0-20190525133028-1d589625bacd
 	github.com/jessevdk/go-flags v1.4.0
-	github.com/kr/pretty v0.1.0 // indirect
 	github.com/logrusorgru/aurora v0.0.0-20190428105938-cea283e61946
 	github.com/mattn/go-isatty v0.0.8 // indirect
 	github.com/mmcdole/gofeed v1.0.0-beta2.0.20190420154928-0e68beaf6fdf
 	github.com/olebedev/config v0.0.0-20190528211619-364964f3a8e4
-	github.com/onsi/ginkgo v1.8.0 // indirect
-	github.com/onsi/gomega v1.5.0 // indirect
 	github.com/pkg/profile v1.3.0
 	github.com/radovskyb/watcher v1.0.6
 	github.com/rivo/tview v0.0.0-20190721135419-23dc8a0944e4
@@ -53,7 +50,8 @@ require (
 	google.golang.org/appengine v1.6.1 // indirect
 	google.golang.org/genproto v0.0.0-20190627203621-eb59cef1c072 // indirect
 	google.golang.org/grpc v1.21.1 // indirect
-	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
 	gopkg.in/jarcoal/httpmock.v1 v1.0.0-20190314184232-a8ac0a50d0b5 // indirect
 	gopkg.in/yaml.v2 v2.2.2
+	k8s.io/apimachinery v0.0.0-20190802060556-6fa4771c83b3
+	k8s.io/client-go v12.0.0+incompatible
 )

go.sum

@@ -1,32 +1,29 @@
 cloud.google.com/go v0.26.0/go.mod h1:aQUYkXzVsufM+DwF1aE+0xfcU+56JwCaLick0ClmMTw=
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 code.cloudfoundry.org/bytefmt v0.0.0-20180906201452-2aa6f33b730c/go.mod h1:wN/zk7mhREp/oviagqUXY3EwuHhWyOvAdsn5Y4CzOrc=
+github.com/Azure/go-autorest v11.1.2+incompatible/go.mod h1:r+4oMnoxhatjLLJ6zxSWATqVooLgysK6ZNox3g/xq24=
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-github.com/DATA-DOG/go-sqlmock v1.3.3 h1:CWUqKXe0s8A2z6qCgkP4Kru7wC11YoAnoupUKFDnH08=
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-github.com/alecthomas/colour v0.0.0-20160524082231-60882d9e2721 h1:JHZL0hZKJ1VENNfmXvHbgYlbUOvpzYzvy2aZU5gXVeo=
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 github.com/alecthomas/kong v0.1.15/go.mod h1:0m2VYms8rH0qbCqVB2gvGHk74bqLIq0HXjCs5bNbNQU=
-github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897 h1:p9Sln00KOTlrYkxI1zYWl1QLnEqAqEARBEYa8FQnQcY=
 github.com/alecthomas/repr v0.0.0-20180818092828-117648cd9897/go.mod h1:xTS7Pm1pD1mvyM075QCDSRqH6qRLXylzS24ZTpRiSzQ=
-github.com/alecthomas/repr v0.0.0-20181024024818-d37bc2a10ba1 h1:GDQdwm/gAcJcLAKQQZGOJ4knlw+7rfEQQcmwTbt4p5E=
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@@ -42,44 +39,68 @@ github.com/danwakefield/fnmatch v0.0.0-20160403171240-cbb64ac3d964 h1:y5HC9v93H5
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@@ -114,38 +139,47 @@ github.com/mmcdole/gofeed v1.0.0-beta2.0.20190420154928-0e68beaf6fdf h1:poo3e5ST
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@@ -157,14 +191,12 @@ github.com/zmb3/spotify v0.0.0-20190520155326-158b1863f5b5 h1:UagwVflTu8e//SSwuj
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@@ -173,6 +205,7 @@ golang.org/x/lint v0.0.0-20190227174305-5b3e6a55c961/go.mod h1:wehouNa3lNwaWXcvx
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@@ -181,19 +214,21 @@ golang.org/x/net v0.0.0-20181108082009-03003ca0c849/go.mod h1:mL1N/T3taQHkDXs73r
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 golang.org/x/net v0.0.0-20190311183353-d8887717615a/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190404232315-eb5bcb51f2a3/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190501004415-9ce7a6920f09/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190503192946-f4e77d36d62c/go.mod h1:t9HGtf8HONx5eT2rtn7q6eTqICYqUVnKs3thJo3Qplg=
 golang.org/x/net v0.0.0-20190603091049-60506f45cf65/go.mod h1:HSz+uSET+XFnRR8LxR5pz3Of3rY3CfYBVs4xY44aLks=
+golang.org/x/net v0.0.0-20190613194153-d28f0bde5980/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190620200207-3b0461eec859/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7 h1:rTIdg5QFRR7XCaK4LCjBiPbx8j4DQRpdYMnGn/bJUEU=
 golang.org/x/net v0.0.0-20190628185345-da137c7871d7/go.mod h1:z5CRVTTTmAJ677TzLLGU+0bjPO0LkuOLi4/5GtJWs/s=
 golang.org/x/oauth2 v0.0.0-20180821212333-d2e6202438be/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20181106182150-f42d05182288/go.mod h1:N/0e6XlmueqKjAGxoOufVs8QHGRruUQn6yWY3a++T0U=
 golang.org/x/oauth2 v0.0.0-20190226205417-e64efc72b421/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
+golang.org/x/oauth2 v0.0.0-20190402181905-9f3314589c9a/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190604053449-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
 golang.org/x/oauth2 v0.0.0-20190614102709-0f29369cfe45 h1:f3UAumpVA/l+tnC58PFz+goIlap0L0egTrSNp3s+qHg=
 golang.org/x/oauth2 v0.0.0-20190614102709-0f29369cfe45/go.mod h1:gOpvHmFTYa4IltrdGE7lF6nIHvwfUNPOp7c8zoXwtLw=
@@ -203,26 +238,33 @@ golang.org/x/sync v0.0.0-20181221193216-37e7f081c4d4/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20190227155943-e225da77a7e6/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190423024810-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sync v0.0.0-20190427212804-112230192c58/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
+golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20181128092732-4ed8d59d0b35/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
-golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a h1:1BGLXjeY4akVXGgbC9HugT3Jv3hCI0z56oJR5vAMgBU=
 golang.org/x/sys v0.0.0-20190215142949-d0b11bdaac8a/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20190222072716-a9d3bda3a223/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20190312061237-fead79001313/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190412213103-97732733099d/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190502145724-3ef323f4f1fd/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190507160741-ecd444e8653b/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190606165138-5da285871e9c/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
+golang.org/x/sys v0.0.0-20190616124812-15dcb6c0061f/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190626150813-e07cf5db2756/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
 golang.org/x/sys v0.0.0-20190730174312-6a60838ec25 h1:DSGJ2VUjs77lSrQSUvriUax9/iEsLuR35ba80Vqy9oQ=
 golang.org/x/sys v0.0.0-20190730174312-6a60838ec25/go.mod h1:h1NjWce9XRLGQEsW7wpKNCjG9DtNlClVuFLEZdDNbEs=
-golang.org/x/text v0.3.0 h1:g61tztE5qeGQ89tm6NTjjM9VPIm088od1l6aSorWRWg=
+golang.org/x/text v0.0.0-20160726164857-2910a502d2bf/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.0/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
 golang.org/x/text v0.3.1-0.20180807135948-17ff2d5776d2/go.mod h1:NqM8EUOU14njkJ3fqMW+pc6Ldnwhi/IjpwHt7yyuwOQ=
+golang.org/x/text v0.3.1-0.20181227161524-e6919f6577db/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
 golang.org/x/text v0.3.2 h1:tW2bmiBqwgJj/UpqtC8EpXEZVYOwU0yG4iWbprSVAcs=
 golang.org/x/text v0.3.2/go.mod h1:bEr9sfX3Q8Zfm5fL9x+3itogRgK3+ptLWKqgva+5dAk=
+golang.org/x/time v0.0.0-20161028155119-f51c12702a4d/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
+golang.org/x/time v0.0.0-20181108054448-85acf8d2951c h1:fqgJT0MGcGpPgpWU7VRdRjuArfcOvC4AoJmILihzhDg=
 golang.org/x/time v0.0.0-20181108054448-85acf8d2951c/go.mod h1:tRJNPiyCQ0inRvYxbN9jk5I+vvW/OXSQhTDSoE431IQ=
 golang.org/x/tools v0.0.0-20180917221912-90fa682c2a6e/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20181011042414-1f849cf54d09/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
+golang.org/x/tools v0.0.0-20181030221726-6c7e314b6563/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190114222345-bf090417da8b/go.mod h1:n7NCudcB/nEzxVGmLbDWY5pfWTLqBcC2KZ6jyYvM4mQ=
 golang.org/x/tools v0.0.0-20190226205152-f727befe758c/go.mod h1:9Yl7xja0Znq3iFh3HoIrodX9oNMXvdceNzlUR8zjMvY=
 golang.org/x/tools v0.0.0-20190311212946-11955173bddd/go.mod h1:LCzVGOaR6xXOjkQ3onu1FJEFr0SW1gC7cKk1uF8kGRs=
@@ -238,7 +280,6 @@ google.golang.org/appengine v1.1.0/go.mod h1:EbEs0AVv82hx2wNQdGPgUI5lhzA/G0D9Ywl
 google.golang.org/appengine v1.3.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.4.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
 google.golang.org/appengine v1.5.0/go.mod h1:xpcJRLb0r/rnEns0DIKYYv+WjYCduHsrkT7/EB5XEv4=
-google.golang.org/appengine v1.6.1 h1:QzqyMA1tlu6CgqCDUtU9V+ZKhLFT2dkJuANu5QaxI3I=
 google.golang.org/appengine v1.6.1/go.mod h1:i06prIuMbXzDqacNJfV5OdTW448YApPu5ww/cMBSeb0=
 google.golang.org/genproto v0.0.0-20180817151627-c66870c02cf8/go.mod h1:JiN7NxoALGmiZfu7CAH4rXhgtRTLTxftemlI0sWmxmc=
 google.golang.org/genproto v0.0.0-20190307195333-5fe7a883aa19/go.mod h1:VzzqZJRnGkLBvHegQrXjBqPurQTc5/KpmUdxsrq26oE=
@@ -249,19 +290,15 @@ google.golang.org/genproto v0.0.0-20190530194941-fb225487d101/go.mod h1:z3L6/3dT
 google.golang.org/genproto v0.0.0-20190627203621-eb59cef1c072 h1:Ct/ZXYnRnqFsiN9c89ZgAXESkBg3eZFDW11KuF+Koz0=
 google.golang.org/genproto v0.0.0-20190627203621-eb59cef1c072/go.mod h1:z3L6/3dTEVtUr6QSP8miRzeRqwQOioJ9I66odjN4I7s=
 google.golang.org/grpc v1.19.0/go.mod h1:mqu4LbDTu4XGKhr4mRzUsmM4RtVoemTSY81AxZiDr8c=
-google.golang.org/grpc v1.20.1 h1:Hz2g2wirWK7H0qIIhGIqRGTuMwTE8HEKFnDZZ7lm9NU=
 google.golang.org/grpc v1.20.1/go.mod h1:10oTOabMzJvdu6/UiuZezV6QK5dSlG84ov/aaiqXj38=
 google.golang.org/grpc v1.21.1 h1:j6XxA85m/6txkUCHvzlV5f+HBNl/1r5cZ2A/3IEFOO8=
 google.golang.org/grpc v1.21.1/go.mod h1:oYelfM1adQP15Ek0mdvEgi9Df8B9CZIaU1084ijfRaM=
-gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405 h1:yhCVgyC4o1eVCa2tZl7eS0r+SDo693bJlVdllGtEeKM=
 gopkg.in/check.v1 v0.0.0-20161208181325-20d25e280405/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 h1:qIbj1fsPNlZgppZ+VLlY7N33q108Sa+fhmuc+sWQYwY=
 gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127/go.mod h1:Co6ibVJAznAaIkqp8huTwlJQCZ016jof/cbN4VW5Yz0=
-gopkg.in/fsnotify.v1 v1.4.7 h1:xOHLXZwVvI9hhs+cLKq5+I5onOuwQLhQwiu63xxlHs4=
 gopkg.in/fsnotify.v1 v1.4.7/go.mod h1:Tz8NjZHkW78fSQdbUxIjBTcgA1z1m8ZHf0WmKUhAMys=
-gopkg.in/jarcoal/httpmock.v1 v1.0.0-20190314184232-a8ac0a50d0b5 h1:G5L6mi3mG1Ms5pQfIiUJEMNV64fqgQlpxlPf+4phLmw=
+gopkg.in/inf.v0 v0.9.0 h1:3zYtXIO92bvsdS3ggAdA8Gb4Azj0YU+TVY1uGYNFA8o=
+gopkg.in/inf.v0 v0.9.0/go.mod h1:cWUDdTG/fYaXco+Dcufb5Vnc6Gp2YChqWtbxRZE0mXw=
 gopkg.in/jarcoal/httpmock.v1 v1.0.0-20190314184232-a8ac0a50d0b5/go.mod h1:d3R+NllX3X5e0zlG1Rful3uLvsGC/Q3OHut5464DEQw=
-gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7 h1:uRGJdciOHaEIrze2W8Q3AKkepLTh2hOroT7a+7czfdQ=
 gopkg.in/tomb.v1 v1.0.0-20141024135613-dd632973f1e7/go.mod h1:dt/ZhP58zS4L8KSrWDmTeBkI65Dw0HsyUHuEVlX15mw=
 gopkg.in/yaml.v2 v2.2.1/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 gopkg.in/yaml.v2 v2.2.2 h1:ZCJp+EgiOT7lHqUV2J862kp8Qj64Jo6az82+3Td9dZw=
@@ -269,4 +306,22 @@ gopkg.in/yaml.v2 v2.2.2/go.mod h1:hI93XBmqTisBFMUTm0b8Fm+jr3Dg1NNxqwp+5A1VGuI=
 honnef.co/go/tools v0.0.0-20190102054323-c2f93a96b099/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190106161140-3f1c8253044a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
 honnef.co/go/tools v0.0.0-20190418001031-e561f6794a2a/go.mod h1:rf3lG4BRIbNafJWhAfAdb/ePZxsR/4RtNHQocxwk9r4=
+k8s.io/api v0.0.0-20190620084959-7cf5895f2711 h1:BblVYz/wE5WtBsD/Gvu54KyBUTJMflolzc5I2DTvh50=
+k8s.io/api v0.0.0-20190620084959-7cf5895f2711/go.mod h1:TBhBqb1AWbBQbW3XRusr7n7E4v2+5ZY8r8sAMnyFC5A=
+k8s.io/apimachinery v0.0.0-20190612205821-1799e75a0719/go.mod h1:I4A+glKBHiTgiEjQiCCQfCAIcIMFGt291SmsvcrFzJA=
+k8s.io/apimachinery v0.0.0-20190802060556-6fa4771c83b3 h1:ov3gR/oGSdOkfEetREkvyrTMbEUDAADeF9WMoihPv0w=
+k8s.io/apimachinery v0.0.0-20190802060556-6fa4771c83b3/go.mod h1:+ntn62igV2hyNj7/0brOvXSMONE2KxcePkSxK7/9FFQ=
+k8s.io/client-go v12.0.0+incompatible h1:YlJxncpeVUC98/WMZKC3JZGk/OXQWCZjAB4Xr3B17RY=
+k8s.io/client-go v12.0.0+incompatible/go.mod h1:E95RaSlHr79aHaX0aGSwcPNfygDiPKOVXdmivCIZT0k=
+k8s.io/gengo v0.0.0-20190128074634-0689ccc1d7d6/go.mod h1:ezvh/TsK7cY6rbqRK0oQQ8IAqLxYwwyPxAX1Pzy0ii0=
+k8s.io/klog v0.0.0-20181102134211-b9b56d5dfc92/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
+k8s.io/klog v0.3.1 h1:RVgyDHY/kFKtLqh67NvEWIgkMneNoIrdkN0CxDSQc68=
+k8s.io/klog v0.3.1/go.mod h1:Gq+BEi5rUBO/HRz0bTSXDUcqjScdoY3a9IHpCEIOOfk=
+k8s.io/kube-openapi v0.0.0-20190228160746-b3a7cee44a30/go.mod h1:BXM9ceUBTj2QnfH2MK1odQs778ajze1RxcmP6S8RVVc=
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+k8s.io/utils v0.0.0-20190221042446-c2654d5206da/go.mod h1:8k8uAuAQ0rXslZKaEWd0c3oVhZz7sSzSiPnVZayjIX0=
 rsc.io/binaryregexp v0.2.0/go.mod h1:qTv7/COck+e2FymRvadv62gMdZztPaShugOCi3I+8D8=
+sigs.k8s.io/structured-merge-diff v0.0.0-20190525122527-15d366b2352e/go.mod h1:wWxsB5ozmmv/SG7nM11ayaAW51xMvak/t1r0CSlcokI=
+sigs.k8s.io/yaml v1.1.0 h1:4A07+ZFc2wgJwo8YNlQpr1rVlgUDlxXHhPJciaPY5gs=
+sigs.k8s.io/yaml v1.1.0/go.mod h1:UJmg0vDUVViEyp3mgSv9WPwZCDxu4rQW1olrI1uml+o=

modules/kubernetes/client.go

@@ -0,0 +1,37 @@
+package kubernetes
+
+import (
+	"sync"
+
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/tools/clientcmd"
+)
+
+var kubeClient *clientInstance
+var clientOnce sync.Once
+
+type clientInstance struct {
+	Client kubernetes.Interface
+}
+
+// getInstance returns a Kubernetes interface for a clientset
+func (widget *Widget) getInstance() *clientInstance {
+	clientOnce.Do(func() {
+		if kubeClient == nil {
+			kubeClient = &clientInstance{
+				Client: widget.getKubeClient(),
+			}
+		}
+	})
+	return kubeClient
+}
+
+// getKubeClient returns a kubernetes clientset for the kubeconfig provided
+func (widget *Widget) getKubeClient() kubernetes.Interface {
+	config, _ := clientcmd.BuildConfigFromFlags("", widget.kubeconfig)
+	clientset, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		panic(err.Error)
+	}
+	return clientset
+}

modules/kubernetes/settings.go

@@ -0,0 +1,32 @@
+package kubernetes
+
+import (
+	"github.com/olebedev/config"
+	"github.com/wtfutil/wtf/cfg"
+	"github.com/wtfutil/wtf/utils"
+)
+
+const defaultTitle = "Kubernetes"
+
+type Settings struct {
+	common *cfg.Common
+
+	objects    []string `help:"Kubernetes objects to show. Options are: [nodes, pods, deployments]."`
+	title      string   `help:"Override the title of widget."`
+	kubeconfig string   `help:"Location of a kubeconfig file."`
+	namespaces []string `help:"List of namespaces to watch. If blank, defaults to all namespaces."`
+}
+
+func NewSettingsFromYAML(name string, moduleConfig *config.Config, globalConfig *config.Config) *Settings {
+
+	settings := Settings{
+		common: cfg.NewCommonSettingsFromModule(name, defaultTitle, moduleConfig, globalConfig),
+
+		objects:    utils.ToStrs(moduleConfig.UList("objects")),
+		title:      moduleConfig.UString("title"),
+		kubeconfig: moduleConfig.UString("kubeconfig"),
+		namespaces: utils.ToStrs(moduleConfig.UList("namespaces")),
+	}
+
+	return &settings
+}

modules/kubernetes/widget.go

@@ -0,0 +1,209 @@
+package kubernetes
+
+import (
+	"fmt"
+
+	"github.com/rivo/tview"
+	"github.com/wtfutil/wtf/utils"
+	"github.com/wtfutil/wtf/view"
+
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// Widget contains all the config for the widget
+type Widget struct {
+	view.TextWidget
+
+	objects    []string
+	title      string
+	kubeconfig string
+	namespaces []string
+	settings   *Settings
+}
+
+// NewWidget creates a new instance of the widget
+func NewWidget(app *tview.Application, settings *Settings) *Widget {
+	widget := Widget{
+		TextWidget: view.NewTextWidget(app, settings.common, false),
+
+		objects:    settings.objects,
+		title:      settings.title,
+		kubeconfig: settings.kubeconfig,
+		namespaces: settings.namespaces,
+		settings:   settings,
+	}
+
+	widget.View.SetWrap(true)
+
+	return &widget
+}
+
+// Refresh executes the command and updates the view with the results
+func (widget *Widget) Refresh() {
+
+	title := widget.generateTitle()
+
+	client := widget.getInstance()
+
+	var content string
+
+	// Debug Info
+	//content += fmt.Sprintf("Namespaces: %q %d\n", widget.namespaces, len(widget.namespaces))
+	//content += fmt.Sprintf("Objects: %q %d\n\n", widget.objects, len(widget.objects))
+
+	if !utils.DoesNotInclude(widget.objects, "nodes") {
+		nodeList, nodeError := client.getNodes()
+		if nodeError != nil {
+			widget.Redraw(title, "[red] Error getting node data [white]\n", true)
+			return
+		}
+		content += "[red]Nodes[white]\n"
+		for _, node := range nodeList {
+			content += fmt.Sprintf("%s\n", node)
+		}
+		content += "\n"
+	}
+
+	if !utils.DoesNotInclude(widget.objects, "deployments") {
+		deploymentList, deploymentError := client.getDeployments(widget.namespaces)
+		if deploymentError != nil {
+			widget.Redraw(title, "[red] Error getting deployment data [white]\n", true)
+			return
+		}
+		content += "[red]Deployments[white]\n"
+		for _, deployment := range deploymentList {
+			content += fmt.Sprintf("%s\n", deployment)
+		}
+		content += "\n"
+	}
+
+	if !utils.DoesNotInclude(widget.objects, "pods") {
+		podList, podError := client.getPods(widget.namespaces)
+		if podError != nil {
+			widget.Redraw(title, "[red] Error getting pod data [white]\n", false)
+			return
+		}
+		content += "[red]Pods[white]\n"
+		for _, pod := range podList {
+			content += fmt.Sprintf("%s\n", pod)
+		}
+		content += "\n"
+	}
+
+	widget.Redraw(title, content, false)
+}
+
+/* -------------------- Unexported Functions -------------------- */
+
+// generateTitle generates a title for the widget
+func (widget *Widget) generateTitle() string {
+	if len(widget.title) != 0 {
+		return widget.title
+	}
+	title := "Kube"
+
+	if len(widget.namespaces) == 1 {
+		title += fmt.Sprintf(" - Namespace: %s", widget.namespaces[0])
+	} else if len(widget.namespaces) > 1 {
+		title += fmt.Sprintf(" - Namespaces: %q", widget.namespaces)
+	}
+	return title
+}
+
+// getPods returns a slice of pod strings
+func (client *clientInstance) getPods(namespaces []string) ([]string, error) {
+	var podList []string
+	if len(namespaces) != 0 {
+		for _, namespace := range namespaces {
+			pods, err := client.Client.CoreV1().Pods(namespace).List(metav1.ListOptions{})
+			if err != nil {
+				return nil, err
+			}
+
+			for _, pod := range pods.Items {
+				var podString string
+				status := pod.Status.Phase
+				name := pod.ObjectMeta.Name
+				if len(namespaces) == 1 {
+					podString = fmt.Sprintf("%-50s %s", name, status)
+				} else {
+					podString = fmt.Sprintf("%-20s %-50s %s", namespace, name, status)
+				}
+				podList = append(podList, podString)
+			}
+		}
+	} else {
+		pods, err := client.Client.CoreV1().Pods("").List(metav1.ListOptions{})
+		if err != nil {
+			return nil, err
+		}
+		for _, pod := range pods.Items {
+			podString := fmt.Sprintf("%-20s %-50s %s", pod.ObjectMeta.Namespace, pod.ObjectMeta.Name, pod.Status.Phase)
+			podList = append(podList, podString)
+		}
+	}
+
+	return podList, nil
+}
+
+// get Deployments returns a string slice of pod strings
+func (client *clientInstance) getDeployments(namespaces []string) ([]string, error) {
+	var deploymentList []string
+	if len(namespaces) != 0 {
+		for _, namespace := range namespaces {
+			deployments, err := client.Client.AppsV1().Deployments(namespace).List(metav1.ListOptions{})
+			if err != nil {
+				return nil, err
+			}
+
+			for _, deployment := range deployments.Items {
+				var deployString string
+				if len(namespaces) == 1 {
+					deployString = fmt.Sprintf("%-50s", deployment.ObjectMeta.Name)
+				} else {
+					deployString = fmt.Sprintf("%-20s %-50s", deployment.ObjectMeta.Namespace, deployment.ObjectMeta.Name)
+				}
+				deploymentList = append(deploymentList, deployString)
+			}
+		}
+	} else {
+		deployments, err := client.Client.AppsV1().Deployments("").List(metav1.ListOptions{})
+		if err != nil {
+			return nil, err
+		}
+
+		for _, deployment := range deployments.Items {
+			deployString := fmt.Sprintf("%-20s %-50s", deployment.ObjectMeta.Namespace, deployment.ObjectMeta.Name)
+			deploymentList = append(deploymentList, deployString)
+		}
+	}
+	return deploymentList, nil
+}
+
+// getNodes returns a string slice of nodes
+func (client *clientInstance) getNodes() ([]string, error) {
+	var nodeList []string
+
+	nodes, err := client.Client.CoreV1().Nodes().List(metav1.ListOptions{})
+	if err != nil {
+		return nil, err
+	}
+
+	for _, node := range nodes.Items {
+		var nodeStatus string
+		for _, condition := range node.Status.Conditions {
+			if condition.Reason == "KubeletReady" {
+				if condition.Status == "True" {
+					nodeStatus = "Ready"
+				} else if condition.Reason == "False" {
+					nodeStatus = "NotReady"
+				} else {
+					nodeStatus = "Unknown"
+				}
+			}
+		}
+		nodeString := fmt.Sprintf("%-50s %s", node.ObjectMeta.Name, nodeStatus)
+		nodeList = append(nodeList, nodeString)
+	}
+	return nodeList, nil
+}

modules/kubernetes/widget_test.go

@@ -0,0 +1,58 @@
+package kubernetes
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func Test_generateTitle(t *testing.T) {
+	type fields struct {
+		title      string
+		namespaces []string
+	}
+	testCases := []struct {
+		name   string
+		fields fields
+		want   string
+	}{
+		{
+			name: "No Namespaces",
+			fields: fields{
+				namespaces: []string{},
+			},
+			want: "Kube",
+		},
+		{
+			name: "One Namespace",
+			fields: fields{
+				namespaces: []string{"some-namespace"},
+			},
+			want: "Kube - Namespace: some-namespace",
+		},
+		{
+			name: "Multiple Namespaces",
+			fields: fields{
+				namespaces: []string{"ns1", "ns2"},
+			},
+			want: `Kube - Namespaces: ["ns1" "ns2"]`,
+		},
+		{
+			name: "Explicit Title Set",
+			fields: fields{
+				namespaces: []string{},
+				title:      "Test Explicit Title",
+			},
+			want: "Test Explicit Title",
+		},
+	}
+	for _, tt := range testCases {
+		t.Run(tt.name, func(t *testing.T) {
+			widget := &Widget{
+				title:      tt.fields.title,
+				namespaces: tt.fields.namespaces,
+			}
+			assert.Equal(t, tt.want, widget.generateTitle())
+		})
+	}
+}