Using mikefarah’s yq v4 I want to conditionally add an IP address to a list within a yml file if it does not exist in the list already. Given a file like: servers: web: – 1.1.1.1 jobs: – 2.2.2.2 If 1.1.1.1 was attempted to be added it should not change, if 3.3.3.3 was added to… Read More Add item to list in yq if it doesn't already exist
I have a json like this: { "sha256key": [ "438143050f234146300c44ed7e22be698e1e3c8c6bbc89b5c7e6276e8250a3a7" ], "validkey": [ "77989d8d29d044112026eae94fe27e9df9ae29d9987d38bcdf470100175def76", "3c91a35a4e12eb89c8f25381f29438f270e9b0af1ef0cbcd416581cd7fe06a0e" ], } I want to remove all entries which have the key started with sha256 Expected result: { "validkey": [ "77989d8d29d044112026eae94fe27e9df9ae29d9987d38bcdf470100175def76", "3c91a35a4e12eb89c8f25381f29438f270e9b0af1ef0cbcd416581cd7fe06a0e" ], } I have tried yq ‘del(select(.key | test("^sha256.")) this does nothing I’m using go yq >Solution :… Read More Delete an entry with the key matching regex using yq
Let say my YAML is : releases: – chart: ../charts/foo name: foo namespace: ‘{{ .Values.stack }}’ values: – ../config/templates/foo-values.yaml.gotmpl set: – name: image.tag value: 22 – name: replicas value: 1 – chart: ../charts/bar name: bar namespace: ‘{{ .Values.stack }}’ values: – ../config/templates/bar-values.yaml.gotmpl set: – name: image.bar_proxy.tag value: 46 – name: image.bar.tag value: 29 – name:… Read More Update a specific value in a nested array by applying a condition on the parent (name or key) to proceed further in YAML using yq command
Assuming I have a yaml file more or less like this foo: – element1 – element2 bar: – element3 – element4 What is the yq command to get the parent of element4 (I want to get bar) >Solution : to_entries | .[] | select(.value[] | contains("element4")).key Will loop over the result of to_entries, search where… Read More Find the parent yaml node of an array element using yq
I need to perform what you might call a deep merge between two YML files. Where there are two matching paths the child nodes should be aggregated, that includes array values. Where there is a path match on a terminal node the value from the second file wins. For exmaple: INPUT: a.yml a: a:a b:b… Read More YML Deep Merge with YQ
I want to replace an array block in a yaml file with a specific different array. I don’t necessarily know how many elements are in the array to be replaced, nor what their values are. yq seems like the best tool for the job (but I am open to other suggestions). My yaml file looks… Read More Replace a block of YAML
this is the input apiVersion: v1 kind: Pod metadata: creationTimestamp: null name: kube-vip namespace: kube-system spec: containers: – args: – start env: – name: vip_arp value: "true" – name: vip_leaderelection value: "true" – name: vip_address value: – name: vip_interface value: eth0 – name: vip_leaseduration value: "15" – name: vip_renewdeadline value: "10" – name: vip_retryperiod value:… Read More How to update an element in array using yq by not using the index, but rather some contextual info, like a name
How can I replace a field in a YAML file using the command line tool yq (version v4.30.6) which path contains a forward slash /? My YAML file test.yaml looks like apiVersion: v1 metadata: annotations: a.b.c/d: aaa namespace: bbb I am able to replace the content of the field "metadata.namespace" but am failing to apply… Read More How to set a field in yaml which path contains forward slash
If I have a file like this: name: test host: test.com region: us-east-1 plannedMaintenancePeriods: – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 – startTime: 1679987700 endTime: 1679992500 -… Read More Is it possible to slice a list and write it back to a YAML file with YQ
I would like to have command in Makefile that allows me to change service’s target in docker-compose.yaml respectively to target given command parameter. I have something like this: example: @[[ "$${target:-dev}" == @(dev|test|release) ]] || exit 1 yq -y -i ‘.services."$(service)".build.target = "$(target)"’ docker-compose.yaml This almost do the job, but I have this parameter to… Read More Shell variable subsitution in makefile